LUQ LTER DATA SETS DOCUMENTATION FORM

ON-LINE VERSION

A DATA SET is a series of observations collected by the same methodology. Each data set should have documentation sufficient for someone unfamiliar with the research to replicate the study. Data sets may be broken into subsets (data files) that are discrete in space and time, in that order. The documentation for a data set should include all spatial and temporal subdivisions of the data.

(Data, Abstract, Methods, Variables)

NOTES:

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DATA SET IDENTIFIER: Bisley/Prieta Algae Monitoring

PROJECT TITLE:Fresh Water biannual Monitoring

PROJECT DESCRIPTION: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 to examine effects of disturbances such as hurricanes on stream ecosystems

LTER CORE AREAS: Annotate all that apply (See online list)

LEF LTER 1 RESEARCH TOPIC: (Annotate all that apply) (See online list)

We define a data file as a component of a data set. A data set can have only one data file or more. Basically, different data files have different data structures or format .
DATA SET FILES (SUBSETS):

RESEARCH LOCATION: Pools and Riffles -9,-6,-3, -2, 0, 5, 8, 9,13, and 15 of the Prieta and Pools and Riffles -9, -6, 3, 4, 5, 6, 7, 8, 9, and 11 of Bisley

INVESTIGATORS:

PRINCIPAL INVESTIGATORS	E-MAIL ADDRESS:
Catherine Pringle	cpringle@uga.edu

OTHER RESEARCHERS	E-MAIL ADDRESS:
Effie Greathouse	effieg@gmail.com
Katherine Smith	smithkat@uga.edu

CONTACT PERSONS	Phone Number (Include area code)	E-MAIL ADDRESS:
Catherine Pringle	(706) 542-1120	cpringle@uga.edu

SOURCE OF FUNDING (SPONSOR): BSR-8811902, DEB 9411973, DEB 0080538, DEB 0218039

DATA SET ABSTRACT: 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 to examine effects of disturbances such as hurricanes on stream ecosystems.

DATA SET METHODS:

Field Methods:

We sampled 5 pools and 5 riffles in each stream. In each pool and in each riffle, we took 6 haphazardly chosen epilithic samples using a suction device modified from Loeb (1981, An in situ method for measuring the primary productivity and standing crop of the epilithic periphyton community in lentic systems. Limnology and Oceanography 26:394-399). The 6 samples were composited into a nalgene bottle for later analysis. We thus had a single composited sample for each pool and each riffle. Bottles were brought back to the laboratory on ice. Data were collected twice per year (Spring~January and Summer ~June to August) from January 2002 to present.

Loeb samples in pools were from rocks/boulders under water that was at least 3 inches deep. No specific depth criteria was used for riffles because they are shallow, but the sampled spot had to be deep enough for the Loeb sampler to work (i.e. the water had to be as deep as the tiny side hole of the Loeb sampler). Riffle Loeb samples were only taken where the water was actually flowing.

Lab methods:

Each sample was sub-sampled for filtration onto 2 glass fiber filters. The first filter was a pre-weighed, pre-ashed filter for AFDM/inorganic matter analysis. The second filter was a pre-ashed filter for chlorophyll a analysis. Volumes filtered onto each filter were recorded as well as any volume not filtered. Three drops of 1% MgCO3 were added to the chlorophyll subsample during filtration. Chlorophyll filters were immediately frozen. AFDM/inorganic matter filters were immediately dried at 50 C for at least 24 hours. Later, chlorophyll filters were analyzed fluorometrically according to standard methods [APHA (American Public Health Association). 1985. Standard methods for the examination of water and wastewater, 16. American Public Health Association, Washington, D.C.]. The AFDM/inorganic matter filter was later weighed to the nearest 0.001 g, ashed at 500 C for 3 hours, and re-weighed to determine inorganic and ash-free dry mass (AFDM) per unit area.

Limnology and Oceanography 26:394-399

CROSS-REFERENCES (other data sets related to this one):

SAMPLE LOCATION:Samples were taken to the University of Georgia Institute of Ecology for Analysis.

STORAGE SITES(of data files):The data is kept in the lab computer in Catherine Pringle's lab at the Univeirty of Georgia Institute of Ecology. File Name= Zancudo/research/puerto rico/pr;bisley prieta/pr; bisley prieta Summer 2004. The data is backed up on Katherine Smith's personal computer, a floppy disc in the lab, and a printed copy is kept in a binder in the lab.

INVESTIGATOR'S ASSIGNED KEYWORDS:algae, benthic inorganic matter, benthic organic matter, chlorophyll a, monitoring

LEF LTER OFFICIAL KEYWORDS (See table):Bisley, Prieta, Aquatic, Disturbance, Algae

PUBLICATIONS:

DISSEMINATION:

RESTRICTED ___ UNRESTRICTED _X__

REASONS TO RESTRICT DATA IN THIS DATA SET BEYOND ITS TWO YEAR POLICY PERIOD*:

*WILL HAVE TO BE APPROVED BY AT LEAST ONE LUQ LTER PRINCIPAL INVESTIGATORS: N. Brokaw, A. LUGO

FILING

___ "File" copy only:Data Management will only file an electronic copy of the data file and its documentation 
_X__ " Enter" data on-line:Data Management will be in charge of entering the data on computer files (Contact Eda C. Meléndez)

SITES DESCRIPTIONS: The study site is at El Verde Field Station (N 18° 19'22", W 65° 49'13") of the Institute for Tropical Ecosystem Studies (ITES) of the University of Puerto Rico. The station is located at the eastern end of Puerto Rico in the Luquillo Experimental Forest (LEF).

Geographical positional system (GPS) Coordinates for each location:

VARIABLES (ATTRIBUTES):

VARIABLES (ATTRIBUTES):

File Name or # above (all in which the variable appears)	1	1	1	1
AbbreviationAbbreviation(as it appears on the data file)	Season	chl_ug-m2	AFDM_g-m2	Inorg DM_g-m2
NAME OF VARIABLE	Season when sampling started	Chlorophyll a	Organic Weight	Inorganic Weight
DEFINITION OF VARIABLE	Season of sampling in the field (in Season-yy). No data is missing under this column	The amount of Chlorophyll a in one of the 6 haphazardly chosen epilithic samples from the stream in micro-grams per m2 of substrate. If value is missing the sample was lost.	The organic content in one of the 6 haphazardly chosen epilithic samples from the stream in micro-grams per m2 of substrate. If value is missing the sample was lost.	The inorganic content in one of the 6 haphazardly chosen epilithic samples from the stream in micro-grams per m2 of substrate. If value is missing the sample was lost.
UNIT		micrograms per squareMeter	micrograms per squareMeter	micrograms per squareMeter
PRECISION
RANGE OR LIST OF VALUES	Spring-03, Spring-04, Spring-05, Spring-06, Spring-07, Summer-02, Summer-03, Summer-04, Summer-05, Summer-06
DATA TYPE	datetime	decimal	decimal	decimal
MISSING DATA CODES

COMPUTATIONAL METHODS:

FOR DATA MANAGER USE ONLY

DATE OF LAST REVIEW: December 13, 2011

DATE OF LAST ENTRY: Summer 2004

STAGE OF DATA SET MANAGEMENT (dates):
RECEIVED: December 1, 2004
ENTERED: February 1, 2006
FILED ON-LINE: February 1, 2006
REVIEWED BY RESEARCHER: February 1, 2006

FILING MEDIA:
NAME OF DOCUMENTATION FILE: Final_LTER_Metadata_formLTERDBAS136.doc, lterdb.htm
NAME OF ON - LINE CATALOG: LTERDBAS
RECORD #: 136
DOCUMENT TYPE: online only
PRIORITY TO BE ENTERED: N/A

Rev. date of this form: 28 July 200/ 15 July  2001/June 9, 2003/March 16, 2004/12 April 2005/ 8 November 2005/ 16 January 2006