LUQ Data Sets Catalog (with EML file)
| Numeric Dataset ID |
Data Set Identifier |
Abstract | Contact | Duration | Collected From: | Collected To: | EML |
|---|---|---|---|---|---|---|---|
| 1 | Anole ground level transects (Bisley and El Verde) |
Transects are surveyed through the upper and lower cut plots at Bisley to determine the distribution and minimum abundance of anoles within and adjacent to the plots. Surveys began prior to... |
Douglas Reagan | Completed | 02/21/1989 | 10/21/1992 |
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| 2 | Anole treefall gap transects (Bisley and El Verde-H10 Gaps) |
Transects were established through large recent treefall gaps to determine the relative abundance of different anole species at different distances from the center of the gap. |
Douglas Reagan | Completed | 02/18/1989 | 02/24/1989 |
|
| 4 | Anole Vertical Transects (tower data) |
Transects are conducted to note the vertical distribution and relative abundance of anole species. Data permit the calculation of average sighting distance for each species which is used in the... |
Douglas Reagan | Completed | 01/09/1989 | 10/23/1992 |
|
| 5 | Anole Mark and Resight Study |
The population distribution research area of the LEF LTER is designed to gather information on the distribution and abundance of key plant and animal species within the forest under different... |
Douglas Reagan | Completed | 02/18/1989 | 10/26/1992 |
|
| 6 | Anole grid study (El Verde 9Ha and Bisley) |
Transects 60 m long are conducted at alternate points in the 9 ha grid at El Verde. Transects 80 m long are conducted at alternate points at the Bisley Grid in watersheds #1 and #2. Data are used... |
Douglas Reagan | Completed | 04/02/1989 | 12/15/1990 |
|
| 7 | Soil sample from landslide ES1 (Espiritu Santo El Verde), ES2, and RB2 (Rio Blanco) |
Analysis of soil nutrients in top 9 cm of soil in Landslide Revegetation Plots. |
Completed | 02/22/1989 | 02/24/1989 |
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| 8 | Canopy gap survey at El Verde |
The survey of gaps at El Verde covers about 35 ha, including the 9 ha grid. We defined a treefall gap at El Verde as a hole in the forest canopy extending down to an average height of about 3 m... |
Nicholas Brokaw | Completed | 11/01/1988 | 11/30/1988 |
|
| 14 | Rainfall at El Verde Field Station, Rio Grande, Puerto Rico since 1975 |
Rainfall has been measured at the El Verde Field Station since 1964. McDowell and Estrada-Pinto, 1988 presents a description of the collection procedures, raw data from 1964 to 1986, and some... |
Alonso Ramirez |
Long-Term Ongoing |
01/01/1975 | 03/31/2013 |
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| 15 | Revegetation of landslides, vegetation <0.1m (Small landslide plots at the Luquillo Experimental Forest) |
The purpose of this study is to document the recovery of vegetation on new landslides in the Luquillo Experimental Forest, in particular seedlings <1m tall. |
Lawrence R. Walker |
Long-Term Completed |
06/03/1988 | 12/19/2007 |
|
| 16 | Maximum temperature at El Verde Field Station, Rio Grande, Puerto Rico since 1975 |
Daily emperature has been measured at the El Verde Field Station since 1975 (see methods). Monthly averages have been calculated. Maximum values for maximum temperature were recorded from May to... |
Alonso Ramirez |
Long-Term Ongoing |
01/01/1975 | 03/31/2013 |
|
| 17 | Minimum temperature at El Verde Field Station, Rio Grande, Puerto Rico since 1975 |
Daily emperature has been measured at the El Verde Field Station since 1975 (see methods). Monthly averages have been calculated. Lowest average values for minimum temperature were recorded from... |
Alonso Ramirez |
Long-Term Ongoing |
01/01/1975 | 07/02/2012 |
|
| 18 | Revegetation of landslides, vegetation > 1.0m (Large landslide plots at the Luquillo Experimental Forest) |
The purpose of this study is to document the recovery of vegetation on new landslides in the Luquillo Experimental Forest. |
Lawrence R. Walker |
Long-Term Completed |
06/03/1988 | 12/18/2007 |
|
| 20 | Chemistry of stream water from the Luquillo Mountains |
Stream water is collected weekly at the Luquillo Mountain sites listed below. These data sets begin as early as 1983; LTER sampling began in 1988. Stream water samples are grab... |
William H. McDowell |
Long-Term Ongoing |
05/24/1983 | 02/23/2010 |
|
| 21 | Vegetation profile and canopy height of Tabonuco, Colorado and Cloud Forests |
The overall height and the presence of vegetation in different height intervals above ground is recorded above points on a 5 x 5 m grid in three hectare-sized plots in the Luquillo Experimental... |
Nicholas Brokaw |
Long-Term Ongoing |
05/01/1989 | 08/08/2008 |
|
| 22 | Cecropia growth at El Verde gaps |
While doing the survey of gaps at El Verde the number and height of Cecropia saplings found in gaps where recorded. Since this species is mostly restricted to gaps, an estimate of the total... |
Nicholas Brokaw | Completed | 08/01/1989 | 08/01/1989 |
|
| 23 | Bird abundance - point counts |
Circular plot counts are used to measure relative numbers of birds over time and between sites. The duration of each count is 10 minutes. During this period, all birds heard or seen are recorded... |
Robert B. Waide |
Long-Term Ongoing |
06/06/1989 | 05/09/2012 |
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| 24 | Anoline Lizard Food Habits |
The stomach contents of 10 adult individuals of each of three anole species (Anolis gundlachi, A. evermanni, and A. stratulus) were collected to determine the number, type, and volume of prey... |
Douglas Reagan | Completed | 10/30/1989 | 03/19/1991 |
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| 25 | Frog transect data |
Relative abundance of all size classes of Eleutherodactylus coqui was measured along control and experimental transects in a variety of disturbance regimes. |
Lawrence L. Woolbright | Completed | 06/12/1989 | 07/20/1989 |
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| 29 | Bisley daily rainfall (Bisley weekly environmental data) |
Data set includes all available daily, weekly, and monthly rainfall from several climate stations in the northeast section of the Luquillo Experimental Forest. These stations are surround the... |
Completed | 11/06/1990 | 10/20/2011 |
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|
| 30 | Frog grid data (Bisley) |
Population estimates from 1987 to 1995 are reported for the terrestrial anuran, Eleutherodactylus coqui, from four long-term study plots in the Luquillo Experimental Forest of northeastern Puerto... |
Lawrence L. Woolbright | Completed | 06/01/1989 | 06/01/1989 |
|
| 31 | Bisley 40 X 40 grid vegetation and site characteristics |
Relationships between landforms, soil nutrients, forest structure, and the relative importance of different disturbances were quantified in two subtropical wet steepland watersheds in Pueno Rico.... |
Completed | 03/01/1988 | 03/31/2004 |
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| 33 | Meteorological data from towers (pre-Hugo) or rooftop (post Hugo) at El Verde |
The meteorological sensors were installed above the flat concrete roof of El Verde Field Station (elevation: 350 m asl). The building is in an approx. 0.3 ha clearing in a forest approx. 20 m tall... |
Alonso Ramirez | Completed | 01/01/1995 | 12/31/2000 |
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| 36 | Landslide Revegetation Canopy Measurements & Cover Estimates |
The purpose of this data set is to document recovery of vegetation in new landslides in the Luquillo Experimental Forest (LEF.) |
Lawrence R. Walker |
Long-Term Completed |
10/25/1988 | 12/17/2007 |
|
| 37 | Regeneration after Hurricane Hugo, woody species > 10 cm tall (9Ha grid, El Verde) (9Ha Plots Small Data Set) |
Purpose is to document vegetation damage and recovery following Hurricane Hugo |
Lawrence R. Walker | Completed | 06/06/1990 | 11/01/1994 |
|
| 38 | Regeneration after Hurricane Hugo woody species more than 1m tall (9ha grid, El Verde) (Large 9Ha Grid) |
Purpose is to document vegetation damage and recovery following Hurricane Hugo. |
Lawrence R. Walker | Completed | 06/06/1990 | 11/02/1994 |
|
| 39 | Regeneration after Hurricane Hugo woody species greater than 1m tall (9ha grid, El Verde)(Wood fall from Hurricane Hugo 9Ha Grid) |
Purpose was to document vegetation damage and recovery following Hurricane Hugo. |
Nicholas Brokaw | Completed | 06/06/1990 | 01/17/1992 |
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| 40 | Regeneration after Hurricane Hugo woody species > 1m tall (9ha grid, El Verde) Percent cover below 3m (9 ha grid, El Verde) |
Purpose was to document vegetation damage and recovery following Hurricane Hugo. |
Completed | 06/06/1990 | 11/05/1993 |
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|
| 41 | Habitat selection/Caracolus caracolla and other snails |
The data set consists of three files, one containing data from 1991 to 1994, one with data from 1995 to 2000, and another containing the 2001 data. Various habitat characteristics are presented,... |
Long-Term Ongoing |
07/01/1991 | 07/01/2010 |
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| 42 | Bisley Grid Habitat data 1994, 1999 |
The data set consists of one file containing data from the summers of 1994 and 1999. Various habitat characteristics are presented, as well as the apparency of common plant taxa at 7 heights (... |
Completed | 06/22/1994 | 08/22/1999 |
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| 43 | Bisley Grid Invertebrate Data, 1989-1999 |
The data set consists of counts of terrestrial invertebrates from the grid at Bisley Watersheds #1 and 2, for the years 1989, 1990, 1994, and 1999. Data for 1989 and 1990 are confined to 4 species... |
Completed |
06/01/1989 06/01/1989 06/01/1989 06/01/1989 06/20/1994 08/01/1999 |
08/07/1999 08/07/1999 08/07/1999 08/07/1999 07/07/1994 08/07/1999 |
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| 44 | Frog population plots (El Verde + Bisley) |
Long-term population patterns of coquies likely result from a variety of influences. Key... |
Lawrence L. Woolbright | Completed |
01/02/1987 03/24/1991 03/25/1991 10/16/1990 10/16/1990 |
01/14/1997 12/31/1997 12/31/1991 12/30/1998 12/30/1998 |
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| 45 | Frog spatial distribution data (El Verde + Bisley) |
Most Puerto Rican Eleutherodactylus are terrestrial frogs that breed for prolonged periods of time in more or less continuous habitat. Because their life cycle lacks a free living... |
Lawrence L. Woolbright | Completed | 03/01/1988 | 05/30/1993 |
|
| 46 | Elevation at grid points on the Luquillo Forest Dynamics Plot (LFDP) |
This file contains data that describe the physical and environmental attributes of the LFDP. The attributes include elevation, topography type, and percentage slope. All data are given for the 20... |
Completed | 06/15/1990 | 01/30/1992 |
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|
| 47 | Physical environment of the Luquillo Forest Dynamics Plot (LFDP), Puerto Rico |
This file contains data that describe the physical and environmental attributes of the LFDP. The attributes include elevation, topography type, and percentage slope. All data are given for the 20... |
Completed | 02/01/1990 | 01/01/1991 |
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| 51 | MRCE/LTER Soil and Microbial Biomass Nitrogen |
The data reported here are only for tabonuco forest at El Verde. Following plot setup and one year of pre-treatment measurements, Hurricane Hugo struck before the first planned fertilization.... |
Jean Lodge | Completed | 07/10/1990 | 08/01/1990 |
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| 52 | Above ground biomass in landslides |
To establish the dry mass of several species that grow on landslides. To make regressions of biomass against height and basal diameter. This way one can estimate biomass on permanent plots where... |
Lawrence R. Walker | Completed | 04/27/1990 | 04/27/1990 |
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| 54 | Shrimp populations in Quebrada Prieta (Pools 0, 8, 9, 15) (El Verde) |
Freshwater shrimp from the Quebrada Prieta (a tributary to the Sonadora in the Espiritu Santu drainage, have been censused 6 times yearly since 1988. Atya lanipes, Xiphocaris elongata... |
Todd Crowl |
Long-Term Ongoing |
01/01/1988 | 11/30/2011 |
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| 55 | Spatial and temporal differences in shrimp numbers (1 year, 20 pools) |
We added woody debris to stream pools in three streams in an experiment designed to increase cover for freshwater shrimp. We trapped four species of freshwater shrimp during 4 months following... |
Alan Covich | Completed | 02/01/1995 | 05/01/1995 |
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| 57 | Tree damage by Hurricane Hugo on the Luquillo Forest Dynamics Plot (LFDP), Puerto Rico |
Hurricane Hugo struck the Caribbean national forest in September 1989. Files LFDP_HURRDAM.TXT and LFDP_HURRDAMa.TXT contain data on the damage to trees caused by the hurricane collected by Mr. R.... |
Completed | 08/01/1990 | 09/01/1993 |
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| 58 | USGS Long-term daily streamflow data at several LEF locations |
The daily data are summarized to monthly as follows: |
Nicholas Brokaw | Completed | 07/01/1945 | 09/30/1994 |
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| 60 | Tree Map for Census at the Luquillo Forest Dynamics Plot (LFDP), Puerto Rico |
This data set shows the Tag number, Quadrat location, Species code, diameter and XY coordinates of stems >=10 cm D130 present at the time of Hurricane Hugo and in the first census. The data set... |
Completed | 06/30/1990 | 08/20/1993 |
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| 62 | Canopy height profile starting 1992, 1994 and 1996 of the Luquillo Forest Dynamics Plot (LFDP), Puerto Rico |
File LFDP_canopy contain the canopy heights for the Luquillo forest Dynamics plot. The first measurement started in 1992, and it was planned to measure the canopy height profile every 2 years. So... |
Completed | 04/09/1992 | 04/18/1997 |
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| 70 | USDC NOAA's National Climatic Data Center daily precipitation (5 stations) |
Daily precipitation at five stations in or near the LEF have been compiled by the National Climate Data Center. Here I present monthly sums of precipitation (P, in cm). Data are summarized through... |
Eda Melendez-Colom | Completed | 03/12/1992 | 03/02/2010 |
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| 71 | USDC NOAA's National Climatic Data Center daily maximum temperature (2 stations) |
Daily precipitation, maximum, and minimum air temperature at five stations in or near the LEF have been compiled by the National Climate Data Center. Here I present monthly sums of precipitation (... |
Eda Melendez-Colom | Completed | 01/01/1931 | 07/31/1992 |
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| 72 | USDC NOAA's National Climatic Data Center daily minimum temperature (5 stations) |
Daily precipitation, maximum, and minimum air temperature at five stations in or near the LEF have been compiled by the National Climate Data Center. Here I present monthly sums of precipitation (... |
Eda Melendez-Colom | Completed | 01/01/1931 | 07/01/1992 |
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| 75 | Fern sporophyte growth observation at the Luquillo Experimental Forest (LEF) |
Long-term (20-year) monitoring sites have been established in the Luquillo Experimental Forest. Individuals of approximately 20 species of ferns are being monitored on a regular basis to determine... |
Joanne Sharpe |
Long-Term Completed |
09/01/1991 | 01/31/2010 |
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| 76 | Frog abundance infertilization plots |
Population estimates and body sizes of E. coqui were collected on fertilization, litter removal, and control plots. |
Lawrence L. Woolbright | Completed | 06/13/1993 | 06/27/1993 |
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| 77 | NADP/NTN precipitation chemistry data |
We report here the chemistry of weekly wet-only rainfall from the Luquillo Experimental Forest (LEF) NADP station (code PR20) for the period February 1985 through December 1996. Our station was... |
Alonso Ramirez |
Long-Term Completed |
02/12/1985 01/07/1986 01/05/1987 01/03/1989 01/09/1990 01/01/1991 01/01/1992 01/05/1993 01/04/1994 01/03/1995 01/03/1995 |
12/30/1985 12/30/1986 12/29/1987 12/26/1989 12/25/1990 12/30/1991 12/29/1992 12/28/1993 12/27/1994 12/26/1995 01/23/1996 |
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| 86 | Fungi of the Greater Antilles |
Over 20 researchers and cooperators were enlisted to produce a survey of the basidiomycetes of Puerto Rico, the Virgin Islands, Dominican Republic, and Jamaica. This included all basidiomycetes... |
Long-Term Completed |
10/01/1983 | 01/29/2003 |
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| 87 | Germination in three R/FR light environments (El Verde) |
Experiments were conducted in the Tabonuco forest at Luquillo Experimental Forest to determine the germination success of a number of species in different light environments. Species tested... |
Nicholas Brokaw | Completed | 02/28/1995 | 07/22/1995 |
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| 88 | Phenologies for the Tabonuco Forest trees and shrubs |
These data are being used to, among other things, (1) determine the seasonality of flowering and fruiting in Tabonuco forest and test hypotheses concerning the causation of seasonality (or lack... |
Long-Term Ongoing |
04/01/1992 | 08/15/2012 |
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| 89 | Long-term Intersite Decomposition Experiment (LIDET) |
LIDET is the LTER Longterm Intersite Decomposition Experiment Team. It is a leaf, wood, and root decomposition study carried out at 28 LTER and other sites including LUQ. The duration of the study... |
Jean Lodge | Completed | 09/12/1990 | 04/15/1993 |
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| 90 | Bisley Tower (TOWER I) Meteorological Station |
Several meteorological parameters are being measured at Bisley since 1993. Correlations between elevation and stream-runoff and rainfall, elevation and air and soil temperature, and between... |
Long-Term Ongoing |
02/11/1993 | 11/12/2010 |
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| 91 | Earthworms in tropical tree plantations and secondary forests |
We compared patterns of earthworm abundance and species composition in tree plantations and secondary forests of Puerto Rico. Tree plantations included pine (Pinus caribaea Morelet) and mahogany (... |
Xiaoming Zou | Completed | 01/01/1994 | 05/01/1994 |
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| 92 | Earthworms in abandoned tropical pastures |
Plant community succession alters the quantity and chemistry of organic inputs to soils. These differences in organic input may trigger changes in soil fertility and faunal activity. We examined... |
Xiaoming Zou | Completed | 06/21/1993 | 07/28/1993 |
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| 93 | Litter decomposition of the tabonuco forest before hurricane Hugo |
We examined forest structure, tree species composition, litterfall rate, and leaf litter decomposition in a mid-successional forest (MSF) and an adjacent mature tabonuco forest (MTF) in the... |
Xiaoming Zou | Completed | 11/01/1980 | 10/31/1981 |
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| 94 | Litterfall of the tabonuco forest before hurricane Hugo |
We examined forest structure, tree species composition, litterfall rate, and leaf litter decomposition in a mid-successional forest (MSF) and an adjacent mature tabonuco forest (MTF) in the... |
Xiaoming Zou | Completed | 11/01/1980 | 10/31/1981 |
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| 95 | Litterfall along topographic gradients at lower Bisley |
Litterfall (fine and coarse) due to Hurricane Hugo and subsequent fine annual litterfall inputs (1, 2 and 5 yr after Hugo) were determined for two sites (El Verde and Bisley) in the Luquillo... |
Completed |
08/28/1989 06/13/1994 |
06/06/1992 06/06/1995 |
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| 96 | Canopy invertebrate responses to Hurricane Hugo at several El Verde plots- LUQINVERT |
Five tree species in 1991, six during 1992-1995, were selected to represent early and late successional forests at El Verde. These trees were sampled in both gap and non-gap plots resulting from... |
Timothy D. Schowalter |
Long-Term Completed |
10/24/1991 | 06/02/2009 |
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| 97 | Sabana pasture permanent plot vegetation sampling |
Permanent plot data is expected to show these temporal patterns: (1) rapid increases in percent cover and tree stem density, and (2) rapid turnover from early to late successional plant... |
Randall W. Myster | Completed |
11/16/1995 11/16/1995 08/31/2000 11/10/2000 09/14/2000 11/29/2000 |
05/20/2003 05/20/2003 05/19/2003 05/22/2003 05/22/2003 05/29/2003 |
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| 98 | Soil organic matter dynamics in the tabonuco forest, a plantation and a secondary forest in Guzman |
In this project we try to find out the relationship between the primary production and the soil organic carbon fractions. |
Xiaoming Zou | Completed | 07/01/1996 | 06/30/1997 |
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| 99 | Herbivory of eight common species at El Verde from 1994 to 1996 |
In seasonal and aseasonal tropical forests, leaf production is often highly synchronous, concentrating herbivore resources in only a few months. As a result levels of herbivory on young... |
Mitchell Aide | Completed | 11/01/1994 | 09/01/1996 |
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| 100 | El Verde Coffee Plantation permanent plot vegetation sampling |
Permanent plot data is expected to show (1) rapid increases in percent cover and tree stem density, and (2) rapid turnover from early to late successional plant species. Plant-plant competition... |
Randall W. Myster | Completed | 12/31/1969 | 12/08/1998 |
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| 102 | Leaf miners (Acrocercops sp.) larvae performance on young leaves of Manilkara bidentata |
Manilkara bidentata is attacked by a specialist leaf miner(Acrocercops sp.(microlepidoptera:gracillariidae). More than one larvae can be found per mine within a leaf. The... |
Mitchell Aide | Completed | 04/04/1995 | 03/31/1996 |
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| 103 | Effect of plant density and light availability on leaf damage in Manilkara bidentata |
Variation in herbivory is often associated with plant density and light environment. To determine the effect of these variables on herbivory we studied leaf production and herbivory on saplings,... |
Mitchell Aide | Completed | 04/01/1995 | 03/31/1996 |
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| 104 | Experimentally manipulated biota over a 30-40d period in two streams with distinctly different macrobiotic (Shrimp/Organic Matter/Ecology (1999)) |
Here we test the hypothesis that differences in macrobiotic assemblages can lead to differences in the quantity and quality of organic matter in benthic depositional environments among streams in... |
Catherine Pringle | Completed | 06/20/1994 | 08/13/1994 |
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| 105 | Enclosure/exclosure experiments in a montane Puerto Rican stream examining direct and indirect effects of two dominant taxa of atyid (Atyidae) shrimp, Atya lanipes Holthius and Xiphocaris elongata Guerin-Meneville (Shrimp/ Algae/ Oecologia (1993)) |
Freshwater shrimp dominate the faunal biomass of many tropical headwater streams: however, their role in community organization is unclear. Enclosure/exclosure experiments in a montane Puerto... |
Catherine Pringle | Completed | 02/23/1990 | 07/27/1990 |
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| 106 | Effects of biotic (shrimp) and abiotic (discharge) factors on the depositional environment quantified in a montane stream in Puerto Rico. (Shrimp/Algae/Can J. Fish Aquat. Sci. (1994)) |
Effects of biotic (shrimp) and abiotic (discharge) factors on the depositional environment were quantified in a montane stream in Puerto Rico. Electricity was used experimentally to exclude large... |
Catherine Pringle | Completed | 09/05/1992 | 08/13/1994 |
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| 107 | El Verde Grid invertebrate data |
The data set consists of 13 files: (1) abundance data for the walking stick, Lamponius portoricensis, (2) estimates of abundance (Minimum Number Known Alive) for 17 species of terrestrial snails,... |
Stephen Cox |
Long-Term Ongoing |
06/01/1991 | 05/23/2010 |
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| 108 | Patterns in soil and physical properties of the Bisley Watersheds 1 and 2 (Big Dig 1988, Big Dig 1990) |
(1) Exchangeable cation concentrations were measured using different soil extracting procedures (fresh soil and air-dried and ground soil) to establish a range of nutrient availability in... |
Whendee Silver | Completed | 06/01/1988 | 07/01/1990 |
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| 109 | Rio Icacos hyporheic and riparian chemistry |
Hydrologic and chemical characteristics were determined for both riparian and hyporheic subsurface flow along a 100-m reach of a sandy-bottom tributary of the Rio Icacos in the Luquillo... |
Completed | 01/28/2003 | 11/28/2007 |
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| 110 | Spatial Variation of Soil Carbon, Nitrogen and Phosphorus in the Luquillo Experimental Forest (LEF) (LEF_SOIL_CNP) |
Hongqing Wang, a Ph.D graduate student of SUNY-ESF, with the help of many others, took soil samples in 119 locations over the entire Luquillo Experimental Forest (LEF) during the summer of 1998... |
Charles A.S. Hall | Completed |
06/29/1998 06/10/1999 |
07/15/1998 06/15/1999 |
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| 111 | Litterfall in tabonuco (subtropical wet) forest in the Luquillo Experimental Forest, Puerto Rico (MRCE Litterfall data) |
Treatments common to both sites are quarterly fertilization (macro- and micronutrients) and unmanipulated. At El Verde, a third set of plots was subject to a one time removal of litter and woody... |
Alonso Ramirez |
Long-Term Ongoing |
04/02/1990 | 12/29/2010 |
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| 112 | Landslide Removal Experiment vegetation cover and pole touches |
The purpose of this data set is to document recovery of vegetation in removal plots in landslides in the Luquillo Experimental Forest (LEF.) |
Lawrence R. Walker | Completed | 11/01/1997 | 05/31/2000 |
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| 113 | Seedling and sapling dynamics of treefall pits and undisturbed florest floor in El Verde, Puerto Rico |
Seedling and sapling dynamics in a Puerto Rican rain forest were compared between forest understory and soil pits created by the uprooting of 27 trees during Hurricane Hugo. No difference in N and... |
Lawrence R. Walker | Completed | 05/01/1991 | 05/23/1992 |
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| 114 | Rio Mameyes Diatoms 1998-2000 |
Survey expeditions of the diatoms of Puerto Rico and other Caribbean islands were conducted briefly in the late 1800's and early 1900's,. However, until now no intensive study of changes in... |
Completed | 09/03/2010 | 09/03/2010 |
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| 115 | Short-term disappearance of foliar litter of three tree species native to rain forest of Puerto Rico |
Litter disappearance was examined before (1989) and after (1990) Hurricane Hugo in the... |
Completed | 02/06/1989 | 10/20/1990 |
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| 116 | Bromeliad chemistry at different elevations in the LEF |
Mean concentrations of various nutrients in dried bromeliad leaf and in the coarse, medium and fine portions of debris retained by the bromeliad rosette. |
Barbara A. Richardson | Completed | 02/01/1996 | 02/29/1996 |
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| 117 | Bromeliad collection data at different elevations in the LEF |
Collection details of bromeliads collected for invertebrate community and diversity analysis from 4 localities in the LEF. Dates, location, plant size, amounts, pH and temp. of contained water,... |
Barbara A. Richardson |
Long-Term Ongoing |
12/18/1993 | 02/28/2010 |
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| 118 | Species names and codes of the Luquillo Forest Dynamics Plot (LFDP), Puerto Rico |
... |
Completed | 02/01/1990 | 01/01/1992 |
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| 119 | Census of species, diameter and location at the Luquillo Forest Dynamics Plot (LFDP), Puerto Rico |
File LFDP_CENSUS1 contains data for the Census 1 (Survey 1,2,and 3) of the LFDP including the Tag number Species code, quadrat location and date and stem diameter D130 (diameter measured at 130 cm... |
Long-Term Ongoing |
07/30/1990 | 10/29/2007 |
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| 120 | Shrimp populations variability in numbers and sizes in response to disturbance and seasons on 20 pools along the reach of Quebrada Prieta, Luquillo Experimental Forest |
Shrimp populations were monitored at approximately 3 week... |
Nicholas Brokaw | Completed | 07/10/1990 | 08/01/1990 |
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| 122 | Experimental Understory Food Web data in the El Verde area of the Luquillo Experimental Forest |
These data include date, treatment, block number, number of coquies, number of anoles, number of insects collected on two sticky traps, number of insects counted on 4 Piper glabrescens and 4... |
Paul Klawinski | Completed | 09/01/1999 | 06/01/2000 |
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| 123 | Long-Term Elevation Plots (LTEP) |
The composition of plant communities changes with elevation in the Luquillo Experimental Forest. The goal of this project is to document the patterns of these changes, and in particular, to... |
Completed |
09/17/2001 09/17/2001 09/17/2001 09/17/2001 |
07/31/2002 07/31/2002 07/31/2002 07/31/2002 |
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| 124 | Factors influencing decomposition of leaves for five plant species at El Verde |
We evaluated the influences of leaf quality, climate and microsite on the decomposition of leaves of five tropical tree species. Single-species litterbags were used to determine weight loss during... |
Jean Lodge | Completed | 05/06/2000 | 11/17/2000 |
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| 125 | Interactions between plants and fungi and their roles in decay rates and CO2 release in five tropical leaf species |
A microcosm experiment was used to test for the effects of interactions between particular plant and fungal decomposer species on rates of leaf decomposition. Each microcosm contained one species... |
Jean Lodge | Completed | 05/06/2000 | 11/17/2000 |
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| 127 | Meteorological data from El Verde Field Station: NADP Tower |
Meteorological sensors are located at the top of a 20 m tower, the NADP Tower, behind the main buildings of El Verde Field Station, 350 masl. No large trees are present near the tower. Sensors... |
Alonso Ramirez |
Long-Term Ongoing |
01/01/2000 | 09/17/2012 |
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| 128 | Coarse Woody Debris in Bisley Experimental Forest and the Rio Icacos Basin |
Organic matter pools appear to differ in composition between Bisley and Icacos. On... |
Completed | 02/26/2001 | 02/19/2002 |
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| 129 | Temperature and humidity in the LFDP (40 points) |
This data set represents environmental variables collected to help interpret the... |
Robert B. Waide | Completed | 02/01/2000 | 01/01/2003 |
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| 130 | Heliconia invertebrate counts |
Identification and number of invertebrates recovered from each Heliconia inflorescence sampled. |
Barbara A. Richardson | Completed | 02/27/1996 | 03/01/1998 |
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| 131 | Bromeliad invertebrate counts at different elevations in the LEF |
Identification and number of invertebrates recovered from each bromeliad sampled. Collection details of bromeliads collected for invertebrate... |
Barbara A. Richardson |
Long-Term Ongoing |
12/01/1993 | 02/28/2010 |
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| 132 | Heliconia fluid and organic matter analyse |
Mineral concentrations measured in Heliconia bract fluid and organic matter accumulated in the bracts. |
Barbara A. Richardson | Completed | 03/03/1998 | 03/31/1998 |
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| 133 | Heliconia collection data |
Collection details of Heliconia plants sampled. |
Barbara A. Richardson | Completed | 02/01/1996 | 03/01/1998 |
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| 134 | Invertebrate dry weight data in various locations, mostly within the LEF at El Verde |
Contains information [identity, counts, size, fresh and dry weights] of various collections of invertebrates (and the occasional amphibian or reptile), which has allowed formulae describing the... |
Michael J. Richardson | Completed | 01/01/1996 | 12/31/2006 |
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| 135 | Recovery of a tropical stream after a harvest-related chlorine poisoning event |
1. Harvest-related poisoning events are common in tropical streams, yet research on stream recovery has largely been limited to temperate streams and generally does not include any measures of... |
Effie A. Greathouse | Completed | 06/08/1999 | 07/29/1999 |
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| 136 | Bisley/Prieta Algae Monitoring |
The LTER is conducting annual monitoring of Algae, Chlorophyll a, benthic organic matter, and benthic inorganic matter in order to document baseline stream characteristics. These data may be used... |
Catherine Pringle |
Long-Term Ongoing |
06/01/2002 | 06/01/2010 |
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| 137 | Litter invertebrate communities at different elevations in the LEF |
Identification and number of invertebrates recovered from each litter sample. |
Barbara A. Richardson | Completed | 02/01/1999 | 02/28/2001 |
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| 138 | Conservation and management of migratory fauna and dams in tropical streams of Puerto Rico |
1. Compared to most other tropical regions, Puerto Rico appears to have dammed its running waters decades earlier and to a greater degree. The island has more large dams per unit area than many... |
Effie A. Greathouse | Completed | 06/22/1993 | 06/30/2003 |
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| 139 | Indirect upstream effects of dams: consequences of migratory consumer extirpation in Puerto Rico |
Large dams degrade the integrity of a wide variety of ecosystems, yet direct downstream effects of dams have received the most attention from ecosystem managers and researchers. We investigated... |
Effie A. Greathouse | Completed | 06/01/2008 | 06/03/2008 |
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| 140 | Neritina snails upstream migrations |
This data set includes N. virginea densities and sizes from two channels in lower Rio Mameyes under PR Route 3 bridge during the upstream migration season Aug-Dec 2000. Microhabitat use (near-bed... |
Juan Felipe Blanco | Completed | 05/09/2000 | 06/30/2002 |
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| 141 | Neritina snails hierarchical distribution |
This data set includes N. virginea densities and sizes relative to streambed substrate type, water depth, and habitat type in a low land reach in RÃo Mameyes near PR Route 3 bridge, and presence... |
Juan Felipe Blanco | Completed | 08/22/2000 | 01/09/2003 |
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| 142 | Does the River Continuum Concept apply on a tropical island? Longitudinal variation in a Puerto Rican stream |
We examined whether a tropical stream in Puerto Rico matched predictions of the River Continuum Concept (RCC) for macroinvertebrate functional feeding groups (FFGs). Sampling sites for... |
Effie A. Greathouse | Completed | 06/01/2001 | 08/01/2001 |
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| 143 | Canopy Trimming Experiment (CTE) plant seedling measurements |
Seedlings were measured before and after treatments to determine how alterations in canopy openness and detritus affect seedling densities and life histories (growth, mortality, recruitment... |
Diana Garcia-Montiel |
Long-Term Ongoing |
06/05/2003 | 11/08/2010 |
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| 144 | Canopy Trimming Experiment (CTE) plants greater than 1 centimeter diameter at breast height (DBH) |
Plant diameters and growth measurements were taken both before and after treatments to determine how alterations in canopy openness and detritus affect measures of growth, mortality, and... |
Diana Garcia-Montiel |
Long-Term Ongoing |
03/01/2003 | 02/07/2011 |
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| 145 | Canopy Trimming Experiment (CTE) Litter decomposition and Connectivity basket data |
This experiment was designed to decouple the effects of canopy opening from those of increased detrital inputs on rates of detrital processing and resultant community and ecosystem processes. In a... |
Jean Lodge |
Long-Term Ongoing |
07/05/2005 | 01/22/2007 |
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| 146 | Canopy Trimming Experiment (CTE) Fern surveys |
Changes in fern diversity and abundance were monitored prior to and during the Canopy Trimming Experiment (CTE). The abundance of all terrestrial fern species on the CTE plots is recorded for... |
Joanne Sharpe |
Long-Term Completed |
01/13/2003 | 01/15/2008 |
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| 147 | Meteorological data from several climate stations in the northeast section of the Luquillo Experimental Forest |
Electronic sensors are placed at the field location to support other activities. Data set includes measurementes from several climate stations in the northeast section of the Luquillo Experimental... |
Long-Term Ongoing |
01/01/2002 | 12/31/2009 |
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| 148 | Bisley rainfall and throughfall, and chemistry of rainfall and throughfall |
Rainfall and throughfall are collected weekly at the Bisley LEF site. These data sets begin March 1988 and ends December 2003. |
Long-Term Ongoing |
03/08/1988 | 12/31/2008 |
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| 149 | Effects of a tropical stream poisoning: do they reflect effects of small-scale experiments? |
Small-scale experiments in tropical streams have suggested that freshwater shrimps play a critical role in determining the quality and quantity of benthic organic matter and overall... |
Effie A. Greathouse | Completed | 03/26/1999 | 04/06/1999 |
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| 150 | Pattern morphology for frogs captured at 9 locations in northeastern Puerto Rico over a 25-year period from 1978 to 2002 |
We recorded the pattern morph for 9,950 frogs captured at 9 locations in northeastern Puerto Rico over a 25-year period from 1978 - 2002. Data revealed 21 distinct pattern morphs including a... |
Lawrence L. Woolbright | Completed |
01/01/1987 06/01/1988 01/01/1984 |
08/02/2002 08/01/2002 01/31/1984 |
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| 151 | Neritina snails responses to channel realignment |
This data set includes N. virginea densities and sizes relative to streambed substrate type, water depth, and near-bed water velocity in three sites in a low land segment in RÃo Mameyes near PR... |
Juan Felipe Blanco | Completed | 08/22/2000 | 12/05/2003 |
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| 152 | Canopy Trimming Experiment (CTE) Snail data |
The objective of these data is to determine how green litter deposition and canopy opening associated with a hurricane independently and jointly affect population dynamics and community... |
Long-Term Ongoing |
07/29/2003 | 07/12/2010 |
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| 154 | Soil factors predict initial plant colonization on Puerto Rican landslides |
Tropical storms are the principal cause of landslides in montane rainforests, such as the Luquillo Experimental Forest (LEF) of Puerto Rico . A storm in 2003 caused 30 new landslides in the... |
Aaron Shiels | Completed | 04/01/2003 | 03/31/2006 |
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| 155 | Canopy Trimming Experiment (CTE) Canopy invertebrate responses to disturbance |
Seven tree species were selected to represent early (Cecropia, Prestoea) and late (Dacryodes, Manilkara, Sloanea) successional, and overstory (Cecropia, Dacryodes, Manilkara, Sloanea) and... |
Timothy D. Schowalter |
Long-Term Ongoing |
07/01/2003 | 06/02/2009 |
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| 156 | Daily streamflow (Bisley area, 5 stations: Q1, Q2, Q3, Sabana, Puente Roto) |
The daily data are summarized to monthly as follows: |
Grizelle Gonzalez |
Long-Term Ongoing |
01/03/1987 | 05/09/2010 |
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| 157 | Canopy Trimming Experiment (CTE) litterbag invertebrate counts and weights data |
Identification, number and dry weight of invertebrates recovered from each litterbag. |
Barbara A. Richardson | Completed | 08/26/2005 | 01/22/2007 |
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| 158 | Physical and chemical attributes of Quebrada Prieta, Bisley 3, Bisley 5, and Toronja related to of shrimp populations measurements |
Physical parameters, densities and sizes of two species of freshwater shrimps (Atya lanipes and Xiphocaris elongata) in four headwater streams (... |
Alan Covich | Completed | 01/01/1988 | 12/31/2005 |
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| 159 | Canopy Trimming Experiment (CTE) Microbial diversity DNA data |
Hurricanes are common disturbances in the Caribbean region that affect tree distribution, species diversity and biomass in forests. Little is known of how microbial communities in... |
Sharon Cantrell |
Long-Term Completed |
07/05/2006 | 07/13/2006 |
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| 160 | Canopy Trimming Experiment (CTE) Microbial EL-FAME Data |
The canopy trimming experiment at El Verde simulates some aspects (canopy openness and biomass redistribution) of hurricane disturbances. Soil samples and leaf litter were... |
Completed | 11/02/2002 | 03/31/2006 |
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| 161 | Bromeliad invertebrates at different elevations in Dominica |
Collection details of bromeliads collected for invertebrate community and diversity analysis from 3 localities in Dominica. Dates, location, plant size, amounts, pH and temp. of contained... |
Barbara A. Richardson | Completed | 02/14/2002 | 02/23/2002 |
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| 163 | Patterns in litterfall production from 12 forested sites along an elevation gradient in Pico del Este |
We measured litterfall from 12 sites along an upper elevation gradient every two weeks from 1994 to present. Samples are being used to estimate the litterfall productivity over time and space... |
Whendee Silver |
Long-Term Completed |
07/26/1994 | 08/24/2004 |
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| 164 | Canopy Trimming Experiment (CTE) trace gases |
This data set provides the monthly trace effluxes measured across the soil-atmosphere interface from five soil surface chambers in all the CTE plots. |
Whendee Silver |
Long-Term Ongoing |
09/07/2004 | 02/01/2011 |
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| 166 | Chemistry of soil solution collected from zero tension lysimeters in the Canopy Trimming Experiment (CTE) plots |
Soil solution chemistry. |
William H. McDowell |
Long-Term Ongoing |
01/28/2003 | 11/28/2007 |
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| 167 | Urban-Rural Temperature Data |
Each of the stations listed in this excel file were used to calculate the urban heat island created by the San Juan Metropolitan Area. |
David Murphy | Completed | 06/26/2006 | 07/05/2006 |
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| 168 | 2004 Estuarine Fish Sampling |
Chapter 1 (fish community data): Historical data are often one of the only resources for documenting and assessing causes of environmental change, particularly in developing... |
Katherine Smith | Completed | 06/01/2004 | 08/31/2004 |
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| 170 | Phrynus habitat selection |
This data set comprises a single data file, which contains data on the abundance and distribution of the whipspider Phrynus longipes on the Luquillo Forest Dynamics Plot in July 2001. |
Christopher P. Bloch | Completed | 07/14/2011 | 07/14/2011 |
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| 171 | Sonadora Elevational Biodiversity (Gastropods) |
The data set includes 3 files that contain abundance data for terrestrial gastropods along an elevational gradient within the Sonadora River watershed. Two files (1 and 2) contain data from the... |
Completed | 07/11/2007 | 07/25/2008 |
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| 173 | Bird abundance – mist nets |
This project seeks to measure long-term trends and variability in bird populations in tabonuco forest at El Verde. Repeated measures of bird populations using mist nets are conducted annually in... |
Robert B. Waide | Completed | 06/04/1990 | 05/23/2005 |
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| 174 | Chemistry of rainfall and throughfall from El Verde and Bisley |
Rain, throughfall, and stream water are collected weekly at the LEF sites listed below. These data sets begin as early as 1983; LTER sampling began in 1988. |
William H. McDowell |
Long-Term Ongoing |
11/21/1983 | 02/23/2010 |
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| 175 | LFDP phenology plot seedlings – 16 ha plot |
These data on temporal and spatial patterns of seedling recruitment in conjunction with data on flower and seed rain production allow tests of hypotheses concerning causes of inter-annual... |
Ongoing | 04/01/2007 | 04/30/2010 |
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| 176 | Lotic Intersite Nitrogen eXperiment I (LINX1): Stream nitrogen (N) dynamics in streams on the eastern side of Puerto Rico |
This study was part of the Lotic Intersite Nitrogen eXperiment (LINX); a series of identical 15NH4 tracer additions to streams throughout North America. 15NH4Cl was added at tracer levels to a... |
Completed | 01/15/1998 | 03/19/1998 |
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| 177 | Lotic Intersite Nitrogen eXperiment II (LINX2): Stream nitrogen (N) dynamics in streams on the eastern side of Puerto Rico |
Stream nitrogen (N) dynamics were studied in streams on the eastern side of Puerto Rico. Rates of nitrate uptake and denitrification were measured in nine tropical low-order streams with... |
William H. McDowell | Completed | 02/04/2004 | 02/23/2006 |
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