+------------------------------------------------------------------+ | JORNADA LTER | | New Mexico State University | | Data Set Documentation Form | +------------------------------------------------------------------+ All Jornada Desert Site NSF/LTER data sets must be documented on the following form. This applies to any data set intended for permanent archiving. All raw data sets collected under the auspices of the Jornada NSF/LTER Program will be described by the following standardized form. Information that is not available at this time, must be included when available. See data manager for any questions regarding this form. -------------------------------------------------------------------- Dataset ID: DSL2002049 Project ID: PRL2002038 1) Data set access (RESTRICTED or UNRESTRICTED): --------------------------------------------- UNRESTRICTED 2) Data set title: --------------- NPP quadrat data 3) Project title: -------------- Patterns of Net Primary Productivity 4) Responsible investigator(s): ---------------------------- Debra Peters (2004 - ongoing) Laura F. Huenneke (1989 - 2003) 5) Date data collection commenced (mm/dd/yyyy): -------------------------------------------- 04/25/1989 6) Date data collection terminated (mm/dd/yyyy or ONGOING): -------------------------------------------------------- ONGOING 7) Expected duration of study: --------------------------- ONGOING 8) Frequency of measurement: ------------------------- Winter, spring, and fall of each year 9) Researchers: (Personnel who will be obtaining data and who would need to be contacted directly if there is a problem in the raw data): ---------------------------------------------------------------- John Anderson, Sophia Gehlhausen, David Lightfoot, Chris McGlone, Cathie Sandell, Nancy Stotz 10) Methods of recording (field data sheets, instrumental, etc.): ---------------------------------------------------------------- field data sheets 11) Site location (Describe in sufficient detail that the site can be relocated): ---------------------------------------------------------------- 5 vegetation communities with 3 sites in each zone: creosotebush scrub: CALI, GRAV, SAND tarbush flats: EAST, TAYL, WEST grassland: BASN, IBPE, SUMM mesquite dunes: NORT, RABB, WELL playa: COLL, SMAL, TOBO See attached site map. C CALI NPP Creosotebush: Caliche site C GRAV NPP Creosotebush: Gravel site C SAND NPP Creosotebush: Sand site G BASN NPP Grassland: Basin site G IBPE NPP Grassland: IBP exclosure site G SUMM NPP Grassland: Summerford Mountain site M NORT NPP Mesquite: North Natural Revegetation Exclosure site M RABB NPP Mesquite: Rabbit Rain Gauge site M WELL NPP Mesquite: West Well site P COLL NPP Playa: College Playa site P SMAL NPP Playa: Small playa site (also known as Vine Mesquite Playa) P TOBO NPP Playa: Tobosa Tank site T EAST NPP Tarbush: East site T TAYL NPP Tarbush: Taylor Well site T WEST NPP Tarbush: West site 12) Data set description (State the hypothesis and / or objectives which collection of data set addresses): ---------------------------------------------------------------- Standing biomass is sampled three times a year: in winter (February - March), before shrubs begin spring growth; in spring (May), when shrubs and spring annuals have reached peak biomass; in fall (late summer; October), when summer annuals have reached peak biomass but before killing frosts. At each sample date, each site is visited (order of sampling may vary, according to phenological stage of sites) and the dimensions of each plant on each quadrat are measured and recorded. Recorded for each observation are: date, zone, plot, quadrat #, species (4 letter acronym), observation # (one for each measurement of that species in that quadrat), cover (percentage of quadrat covered by canopy of that individual or species), height (vertical extent of that individual or species), count (if multiple individuals with the same dimensions are present), and phenological stage (Flowering/fruiting or Vegetative). 13) Attributes measured: ------------------------------------------------------------------------- Variable Name example: AIRMAX Name used in data set header. Variable Format example: C = character (C3: Three characters [XXX]) I = integer (I2: Integer with two places [##]) F = floating point (F4.2: Total places with decimal point = 4, with 2 decimal places. [#.##]) Variable Mask example: mm/dd/yyyy Date where mm=month, dd=day, yyyy=year Exception Value Codes format: [code] = [description] example: 'Q' = questionable data Code = code (surrounded by single quotes) Note: Equal signs (=) are used to separate code and description. Note: Enter multiple Exception Value Codes on separate lines. Acceptable Value Type examples: defined list undefined list range defined list of ranges undefined list of ranges complex external list Acceptable Value Codes format: [code] = [description] example: C = Creosotebush Code = code Note: Equal signs (=) are used to separate code and description. Note: Enter multiple Exception Value Codes on separate lines. Note: Equal signs (=) are used to separate values and commas (,) are used to separate multiple value sets. Ranges of acceptable values are separated by a dashes. Lists of acceptable values are separated by commas. Asterick symbols (*) are reserved to indicate external lookup file listing. ------------------------------------------------------------------------- variable name: SEASON attribute description: Season data was collected (NPPQyys, where yy=year, s=season[W=winter,S=spring,F=fall]) measured units: N/A start column position: 1 variable format: C7 variable mask: N/A exception value codes: . = missing value acceptable value type: N/A acceptable value codes: N/A variable name: DATE attribute description: Collection date (mmddyy, where mm=Month dd=Day yy=Year) measured units: N/A start column position: 9 variable format: I6 variable mask: N/A exception value codes: . = missing value acceptable value type: N/A acceptable value codes: N/A variable name: Z attribute description: Vegetation zone measured units: N/A start column position: 16 variable format: C1 variable mask: N/A exception value codes: . = missing value acceptable value type: defined list acceptable value codes: C = Creosotebush G = Grassland M = Mesquite dune P = Playa T = Tarbush variable name: SITE attribute description: Site code measured units: N/A start column position: 18 variable format: C4 variable mask: N/A exception value codes: . = missing value acceptable value type: defined list acceptable value codes: CALI = Caliche GRAV = Sand SAND = Gravel BASN = Basin IBPE = IBP exclosure SUMM = Summerford Mountain NORT = North Natural Revegetation Exclosure RABB = Rabbit Rain Gauge WELL = West Well COLL = College Playa SMAL = Small playa (also known as Vine Mesquite Playa) TOBO = Tobosa Tank EAST = East TAYL = Taylor Well WEST = West Well variable name: QD attribute description: Quadrat plot number measured units: N/A start column position: 23 variable format: I2 variable mask: N/A exception value codes: . = missing value acceptable value type: range acceptable value codes: 1-49 variable name: SPP attribute description: Plant species code (4 or 5 alphanumeric acronym) measured units: N/A start column position: 26 variable format: C5 variable mask: N/A exception value codes: . = missing value acceptable value type: external list acceptable value codes: See PLNTALFA.LST file for acceptable values variable name: OB attribute description: Observation number of each species per quad measured units: N/A start column position: 32 variable format: I2 variable mask: N/A exception value codes: . = missing value acceptable value type: N/A acceptable value codes: N/A variable name: CVR attribute description: Percent plant cover measured units: N/A start column position: 35 variable format: F6.2 variable mask: N/A exception value codes: . = missing value acceptable value type: range acceptable value codes: 0-100 variable name: HT attribute description: Plant height (centimeters) measured units: cm start column position: 41 variable format: I3 variable mask: N/A exception value codes: . = missing value acceptable value type: N/A acceptable value codes: N/A variable name: CT attribute description: Number of individuals of a species with same dimensions measured units: N/A start column position: 45 variable format: I3 variable mask: N/A exception value codes: . = missing value acceptable value type: N/A acceptable value codes: N/A variable name: P attribute description: Phenology measured units: N/A start column position: 49 variable format: C1 variable mask: N/A exception value codes: . = missing value acceptable value type: defined list acceptable value codes: V = Vegetative F = Reproductive state variable name: H attribute description: Habit measured units: N/A start column position: 51 variable format: C1 variable mask: N/A exception value codes: . = missing value acceptable value type: defined list acceptable value codes: A = Annual P = Perennial variable name: FORM attribute description: Plant form measured units: N/A start column position: 53 variable format: C5 variable mask: N/A exception value codes: . = missing value acceptable value type: defined list acceptable value codes: FERN = Fern FORB = Broad-leaved herb GRASS = Grass or Graminoid SHRUB = Shrub S-SHR = Sub-Shrub ST-SU = Stem Succulent LF-SU = Leaf Succulent variable name: CP attribute description: Carbon pathway measured units: N/A start column position: 59 variable format: C2 variable mask: N/A exception value codes: . = missing value acceptable value type: defined list acceptable value codes: C3 = C3 photosynthetic pathway C4 = C4 photosynthetic pathway CM = CAM photosynthetic pathway variable name: X attribute description: X coordinate of quad for geostatistics measured units: N/A start column position: 62 variable format: I1 variable mask: N/A exception value codes: . = missing value acceptable value type: N/A acceptable value codes: N/A variable name: Y attribute description: Y coordinate of quad for geostatistics measured units: N/A start column position: 64 variable format: I1 variable mask: N/A exception value codes: . = missing value acceptable value type: N/A acceptable value codes: N/A variable name: D attribute description: Plant diameter, centimeters (used only in NPPQ89S.DAT and NPPQ89F.DAT) measured units: cm start column position: 66 variable format: I2 variable mask: N/A exception value codes: . = missing value acceptable value type: N/A acceptable value codes: N/A variable name: E attribute description: Problem code measured units: N/A start column position: 69 variable format: I1 variable mask: N/A exception value codes: . = missing value acceptable value type: defined list acceptable value codes: 0 = No problem 1 = Problem (See history log: NPPQUAD.HIS) variable name: TAP attribute description: cassette tape i.d. consisting of initials of field data recorder & tape number measured units: N/A start column position: 71 variable format: C3 variable mask: N/A exception value codes: . = missing value acceptable value type: N/A acceptable value codes: N/A 14) Methodology (Provide sufficient detail such that an unaware reader could repeat the described data collection procedures.) ---------------------------------------------------------------- Field sites and design: Grids of permanent 1 square meter quadrats have been established in 15 sites: three sites in each of 5 community types or zones (grama grassland, creosote bush scrub, tarbush flats, mesquite dunes, playa). Grids consist of 49 quadrats arranged in a square 7 x 7 pattern, with quadrats 10 m apart. (Exception: P-COLL, the College Ranch playa, has 48 quadrats arranged in a 3 x 16 pattern.) Quadrats are permanently marked with aluminum nails inserted into the soil at two diagonal corners; quadrats are identified by nearby rebar stakes and tags (numbered 1-49, starting at the northwest corner and wrapping back and forth in a north-south direction). Field sampling: Standing biomass is sampled three times a year: in winter (February - March), before shrubs begin spring growth; in spring (May), when shrubs and spring annuals have reached peak biomass; in fall (late summer; October), when summer annuals have reached peak biomass but before killing frosts. At each sample date, each site is visited (order of sampling may vary, according to phenological stage of sites) and the dimensions of each plant on each quadrat are measured and recorded. Recorded for each observation are: date, zone, plot, quadrat #, species (4 letter acronym), observation # (one for each measurement of that species in that quadrat), cover (percentage of quadrat covered by canopy of that individual or species), height (vertical extent of that individual or species), count (if multiple individuals with the same dimensions are present), and phenological stage (Flowering/fruiting or Vegetative). Plants rooted outside but reaching into the quadrat are measured in terms of their vertical and horizontal extent only in the rectangular volume above the quadrat. Large plants (e.g., shrubs) are broken down into individual branch systems or other sub- volumes and recorded as separate observations. Early sample periods included measurements of diameter, rather than cover, for some species; see data files from those periods. Cacti are measured for number of pads (count), average length of pad (height), and average width of pad (diameter). From these dimensional measurements, volume can be calculated for each species in each quadrat. A regression of biomass against volume is constructed by harvesting plants near but outside of the grid of permanent quadrats. Dominant species, and others showing significant differences among sites in past regressions, are harvested from each site; for other species, samples may be taken in smaller numbers at any one site and samples from different sites pooled in the regression (see species list). Sample sizes are 15 for dominants, 10 for most other species (see species list). Range of cover values to be harvested is based on the range of cover values recorded from the permanent quadrats. Plants to be harvested are located in situations typical of those encountered in the permanent quadrats, and their cover and height values measured as for the quadrats. Volumes are harvested, returned to the laboratory, held in a cold room (4 degree Celsius), sorted (dead material discarded, unless obviously from the current season of growth), dried (55 degree Celsius), and weighed. Dominant shrubs (Larrea, Flourensia, Prosopis) are separated into leaves, stems, and reproductive material (either before or after weighing of total biomass); these components are weighed separately. Tissue samples are selected and ground for nutrient concentrations or for archival. Harvest data are used to build regressions of biomass against volume. Quadrat data are used to estimate plant volume by species by quadrat, and then total biomass on a quadrat; positive increments in biomass over a time interval provide estimates of productivity for that quadrat. See flow chart for summary of analysis. See NPPFIELD.PRO for detailed field sampling protocol. 15) Key literature (Citations that describe sampling procedures, [reference of a published paper, thesis, etc.]): ---------------------------------------------------------------- 16) Keywords (keywords that describe data set; maximum of 10): ---------------------------------------------------------------- productivity, harvest, plants, spatial and temporal patterns 17) Treatment of data: (List any programs used in analysis of the data): [Note: Programs should be appended and stored with this form.] ---------------------------------------------------------------- Data are entered into ASCII files by a PC FORTRAN data entry program (NPPQUAD.EXE); the resulting files (NPPQyys.DAT) are uploaded to the IBM mainframe. Each of these files is read in as input to a SAS program (NQBIOyys SAS, where yy is the year and s is the season) that contains regressions for biomass against plant dimensions (see harvest data and regression construction, data set documentation), updated for that season. first volume is calculated (cover*height*100), and then biomass (weight = volume*regression parameter*count) for each observation. Cover, volume, and biomass are summed for all observations of a given species in a single quadrat. Hard copies of the NQBIOyys SAS programs are archived in files with the output. The resulting weights are sorted by species and can be summarized by site, by species, and/or by quadrat, as desired, by choosing different summary options in the NQBIOyys SAS program. Output can be the sorted data file, or can be written as separate DATA files for each site (used as input to the geostatistics program, GEOEAS). The SAS program NQNPPyy SAS is used to merge the biomass files from individual seasons, and to calculate net primary production as the difference in total biomass between seasons. The input is two data files written by the above NQBIOyys SAS programs, with cover, volume, and biomass values for each species in each quadrat. NQNPPyy SAS merges the two data files by quadrat and species, and calculates the difference in weight between the two sample periods. If the increment is negative (e.g., a species is present at time 1 but absent at time 2), the difference is set to zero. A hard copy is printed, showing the difference is set to zero. A hard copy is printed, showing the site, quad number, species ID, weight at time 1, weight at time 2, and the increment. Then a summary is made, summing the net positive increments over all species for each quadrat -- the estimated net primary productivity for that quadrat over that interval. These values are written to a data file, NQNPPyyn DAT, where n represents the interval during the year (1 represents fall to winter, 2 represents winter to spring, 3 represents spring to fall). These productivity values can be summarized in whatever fashion is necessary (e.g., averaging over all quadrats). 18) Associated computer accounts: ---------------------------------------------------------------- BIO020 (Esteban Muldavin) BIO040 (Laura Huenneke) 19) Files associated with this data set: ------------------------------------------------------------------------- File Type Codes: Type Code Definition ---- ---------- MD Metadata files DS Data files DE Data entry, verification, and analysis files OT Other (Any other related files) File Format Codes: ASCII, BINARY ------Metadata files------------------------------------ file type: MD file name: NPPVEG.PRJ description: Project documentation file format: Text file format type: ASCII file type: MD file name: NPPQUAD.DSD description: Data set documentation file format: Text file format type: ASCII ------Data files---------------------------------------- file type: DS file name: Corrections_Nppq_89-03w.his description: Data set history log file format: Text file format type: ASCII file type: DS file name: NPPQUAD.HIS description: Data set history log file format: Text file format type: ASCII file type: DS file name: NPPQUADC.HIS description: History log of changes file format: Text file format type: ASCII file type: DS file name: NPPQUADD.HIS description: History log generated during data entry file format: Text file format type: ASCII file type: DS file name: NPPQUADE.HIS description: History log generated from error checking programs file format: Text file format type: ASCII file type: DS file name: NPPQ89S.DAT description: Data file for Spring 1989 file format: Text file format type: ASCII file type: DS file name: NPPQ89F.DAT description: Data file for Fall 1989 file format: Text file format type: ASCII file type: DS file name: NPPQ90W.DAT description: Data file for Winter 1990 file format: Text file format type: ASCII file type: DS file name: NPPQ90S.DAT description: Data file for Spring 1990 file format: Text file format type: ASCII file type: DS file name: NPPQ90F.DAT description: Data file for Fall 1990 file format: Text file format type: ASCII file type: DS file name: NPPQ91W.DAT description: Data file for Winter 1991 file format: Text file format type: ASCII file type: DS file name: NPPQ91S.DAT description: Data file for Spring 1991 file format: Text file format type: ASCII file type: DS file name: NPPQ91F.DAT description: Data file for Fall 1991 file format: Text file format type: ASCII file type: DS file name: NPPQ92W.DAT description: Data file for Winter 1992 file format: Text file format type: ASCII file type: DS file name: NPPQ92S.DAT description: Data file for Spring 1992 file format: Text file format type: ASCII file type: DS file name: NPPQ92F.DAT description: Data file for Fall 1992 file format: Text file format type: ASCII file type: DS file name: NPPQ93W.DAT description: Data file for Winter 1993 file format: Text file format type: ASCII file type: DS file name: NPPQ93S.DAT description: Data file for Spring 1993 file format: Text file format type: ASCII file type: DS file name: NPPQ93F.DAT description: Data file for Fall 1993 file format: Text file format type: ASCII file type: DS file name: NPPQ94W.DAT description: Data file for Winter 1994 file format: Text file format type: ASCII file type: DS file name: NPPQ94S.DAT description: Data file for Spring 1994 file format: Text file format type: ASCII file type: DS file name: NPPQ94F.DAT description: Data file for Fall 1994 file format: Text file format type: ASCII file type: DS file name: NPPQ95W.DAT description: Data file for Winter 1995 file format: Text file format type: ASCII file type: DS file name: NPPQ95S.DAT description: Data file for Spring 1995 file format: Text file format type: ASCII file type: DS file name: NPPQ95F.DAT description: Data file for Fall 1995 file format: Text file format type: ASCII file type: DS file name: NPPQ96W.DAT description: Data file for Winter 1996 file format: Text file format type: ASCII file type: DS file name: NPPQ96S.DAT description: Data file for Spring 1996 file format: Text file format type: ASCII file type: DS file name: NPPQ96F.DAT description: Data file for Fall 1996 file format: Text file format type: ASCII file type: DS file name: NPPQ97W.DAT description: Data file for Winter 1997 file format: Text file format type: ASCII file type: DS file name: NPPQ97S.DAT description: Data file for Spring 1997 file format: Text file format type: ASCII file type: DS file name: NPPQ97F.DAT description: Data file for Fall 1997 file format: Text file format type: ASCII file type: DS file name: NPPQ98W.DAT description: Data file for Winter 1998 file format: Text file format type: ASCII file type: DS file name: NPPQ98S.DAT description: Data file for Spring 1998 file format: Text file format type: ASCII file type: DS file name: NPPQ98F.DAT description: Data file for Fall 1998 file format: Text file format type: ASCII file type: DS file name: NPPQ99W.DAT description: Data file for Winter 1999 file format: Text file format type: ASCII file type: DS file name: NPPQ99S.DAT description: Data file for Spring 1999 file format: Text file format type: ASCII file type: DS file name: NPPQ99F.DAT description: Data file for Fall 1999 file format: Text file format type: ASCII file type: DS file name: NPPQ00W.DAT description: Data file for Winter 2000 file format: Text file format type: ASCII file type: DS file name: NPPQ00S.DAT description: Data file for Spring 2000 file format: Text file format type: ASCII file type: DS file name: NPPQ00F.DAT description: Data file for Fall 2000 file format: Text file format type: ASCII file type: DS file name: NPPQ01W.DAT description: Data file for Winter 2001 file format: Text file format type: ASCII file type: DS file name: NPPQ01S.DAT description: Data file for Spring 2001 file format: Text file format type: ASCII file type: DS file name: NPPQ01F.DAT description: Data file for Fall 2001 file format: Text file format type: ASCII file type: DS file name: NPPQ02W.DAT description: Data file for Winter 2002 file format: Text file format type: ASCII file type: DS file name: NPPQ02S.DAT description: Data file for Spring 2002 file format: Text file format type: ASCII file type: DS file name: NPPQ02F.DAT description: Data file for Fall 2002 file format: Text file format type: ASCII file type: DS file name: NPPQ03W.DAT description: Data file for Winter 2003 file format: Text file format type: ASCII ------Data entry, verification, and analysis files------ file type: DE file name: COMMENTS.BAS description: Sub-module source code to add comments to history file file format: MS QuickBasic 4.5 format type: BINARY file type: DE file name: NPPQCHK.EXE description: Post-data entry checking program file format: MS QuickBasic 4.5 executable format type: BINARY file type: DE file name: NPPQCHK.PRO description: Procedure for post-data entry check file format: Text file format type: ASCII file type: DE file name: NPPQUAD.BAS description: Main module source code file format: MS QuickBasic 4.5 format type: BINARY file type: DE file name: NPPQUAD.BAT description: for data editing file format: MS-DOS Batch file format type: ASCII file type: DE file name: NPPQUAD.DED description: Data entry procedure documentation file format: Text file format type: ASCII file type: DE file name: NPPQUAD.EXE description: Data entry program file format: MS QuickBasic 4.5 executable format type: BINARY file type: DE file name: NPPQUAD.HDR description: Header file file format: MS QuickBasic 4.5 format type: BINARY file type: DE file name: NPPQUAD.MAK description: Quick Basic make file file format: Text file format type: ASCII file type: DE file name: NPPQUAD2.BAS description: Sub-module source code file format: MS QuickBasic 4.5 format type: BINARY file type: DE file name: NPPSPP.EXT description: External species code list file format: Text file format type: ASCII ------Other (Any other related files)------------------- file type: OT file name: NPPFIELD.PRO description: NPP Field Protocol file format: Text file format type: ASCII file type: OT file name: NPPCACT.INF description: Cactus species list by zone, site, and quad file format: Text file format type: ASCII file type: OT file name: NPPPLNT.INF description: Plant species list by zone, site, and season file format: Text file format type: ASCII file type: OT file name: PLNTALFA.EXT description: Plant species list by species name file format: Text file format type: ASCII file type: OT file name: PLNTFAM.DSD description: Plant species list by family name file format: Text file format type: ASCII file type: OT file name: PLNTKEY.INF description: Field key of common plant species file format: Text file format type: ASCII file type: OT file name: REFMNMXH.INF description: NPP reference harvest: min & max cover file format: Text file format type: ASCII file type: OT file name: UNKNCODE.INF description: NPP unknown & problematic species codes file format: Text file format type: ASCII 20) Comments (Include any comments here that more fully describe this data set): ---------------------------------------------------------------- Fall 1999. All data recorded on cassette tape by field personnel making the measurements. A column was added to the data set that identifies the tape on which data is recorded. The letters identify the person recording the data and the number is the tape number. These numbers are sequential for each recorder. JA = John Anderson JK = John Kuehner SR = Stephanie Richmond MB = Michelle Buonopane When "NONE" is used for species code, this indicates that there were no plant species in the quad to measure; a "." is used for all values when species equals "NONE". MISSING OR QUESTIONABLE VALUES When "NONE" is used for species code, this indicates that there were no plant species in the quad to measure; a "." is used for all values when species equals "NONE". [11/12/2004 John Anderson] Multiple corrections have been made to 17 seasonal data sets. These are documented in the file Corrections_Nppq_89-03w.his. 21) Data set documentation history log: ---------------------------------------------------------------- Data set title - NPP quadrat data, for given year and season Data set file name - NPPQUAD.DSD ---------------------------------------------------------------- mm/dd/yyyy - Date of Comment Int - Initials of person making Comment KJL = Kevin J. La Fleur JPA = John P. Anderson KR = Ken Ramsey JL = Jim Lenz Changes/Updates - List any changes made to document mm/dd/yyyy Int Changes/Updates ---------- --- ----------------------------------------------- 04/10/1996 KJL Form completed by investigator 03/13/1996 KJL Converted data set document file to new format. 02/20/1997 JPA Documentation revised. 12/10/1997 JPA Data file list updated. 07/23/1998 JPA Data file list updated. 02/02/2000 JPA Split history file (NPPQUAD.HIS) into 3 files. 02/04/2000 JPA Tape i.d. field added to Attributes and explantion of this added to Comments. 02/18/2000 JPA Updated data file list. 08/24/2000 JPA Updated data file list. 10/09/2000 KR Updated data entry file list. 11/08/2000 JPA Updated data file list. 12/13/2000 JPA Added clarification of values associated with "NONE" species to "Missing or Questionable Values" and "Comments." 04/30/2001 JPA Updated data file list. 10/15/2001 JPA Updated data file list. 06/13/2002 JL Added Dataset ID and Project ID sections. 04/29/2002 JPA Updated data file list. 07/25/2003 JPA Updated date file list. 07/31/2003 JPA Unrestricted as per Laura Huenneke. 03/01/2004 KR Changed format for Attributes and Associated Files section. Moved Dataset and Project IDs to top of form. Removed Missing/Questionable data section and incorporated into Attributes section. Updated Associated Files section. 11/12/2004 JPA Added Corrections_Nppq_89-03w.his to file list. 03/05/2007 KR Updated site descriptions within Site Location and Attributes Measured sections. 11/19/2007 JPA Updated Responsible Investigator. ------------------------------------------------------------------- END OF DATA SET FILE -------------------------------------------------------------------