Mr. Clarence Lehman

Department of Ecology Evolution and Behavior 100 Ecology Bldg 1987 Upper Buford Circle St. Paul MN 55108-6097 USA

612-624-6731 lehman@lter.umn.edu Mr. Richard Inouye

Department of Biological Science Idaho State University Campus Box 8007 Pocatello ID 83209-8007 USA

208-236-2933 inouye@lter.umn.edu http://orcid.org/0001-0005-9751-1234 Idaho State University http://orcid.org/0001-0005-9751-1111 Mike Smith National Center for Ecological Analysis and Synthesis

735 State St., Suite 300 Santa Barbara CA 93101

8058937554 brun@nceas.ucsb.edu https://orcid.org/0001-0005-9751-6987 John Ed NCEAS

735 State St., Suite 300 Santa Barbara CA 93101

8058937554 brun@nceas.ucsb.edu https://orcid.org/0001-0005-9751-0000 Data manager NCEAS, University of California 2009-01-02 This data package contains information about the first year of participation in SNAPP synthesis working groups for different institutions The data source is NCEAS administrative database. The R Script compute the yearly statistics and generate the bar chart. The scripts outputs 1 csv file with the yearly stats and one png file wit the plot. Old field grassland biomass productivity species-area species richness clarence.lehman richard.inouye John Jefferson Director Institute of Ecology CDR LTER-patterns among communities.txt patterns amoung communities at CDR CDR LTER-patterns among communities.txt 1245 ASCII 1 column \t http://metacat.nceas.ucsb.edu/metacat/metacat?action=read&docid=knb.46.1 fld Field Field where the data was collected string Valid names of fields year year The year the data was collected gYear YYYY 1 1944 sr Species Richness Species richness for CDR float dimensionless 0.5 real 0 pctcov percent cover The percent ground cover on the field float dimensionless 0.1 real 0 100 avesr91 Average Species Richness for 1991 The average species richness for the field in 1991 float dimensionless 0.1 real 0 avesr92 Average Species Richness for 1992 The average species richness for the field in 1992 float dimensionless 0.1 nd.5 avesr93 Average Species Richness for 1993 The average species richness for the field in 1993 float dimensionless 0.1 nd.5 avesr94 Average Species Richness for 1994 The average species richness for the field in 1994 float dimensionless 0.1 nd.5 avesr95 Average Species Richness for 1995 The average species richness for the field in 1995 float dimensionless 0.1 nd.5 avesr96 Average Species Richness for 1996 The average species richness for the field in 1996 float dimensionless 0.1 nd.5 MeanSR mean species richness the mean species richness from 1991 to 1996 float dimensionless 0.1 nd.5 biomass Biomass The total biomass measured in this field float gramsPerSquareMeter 0.01 real 0 sppm2 Species Per Square Meter Calculated species per square meter float speciesPerSquareMeter 0.01 real 0 time Time The time of day for this observation, 24 hour clock time hh:mm:ss.s 0.1 15:00:00.0 19:00:00.0 no 22