Metadata for: Diversity, Productivity and Soil Data for Two North American Grasslands
General Dataset Metadata:
Dataset Short Name:Diversity, Productivity and Soil
Abstract:
This research program was designed to collect productivity, diversity and soil data in Northern California grasslands. Data collected include species richness, presence absence of plant species, peak standing biomass and nitrogen and phosphorus soil content. The relationship between diversity and productivity can take many different shapes. Soil nutrients can affect species composition, diversity and productivity. This research program will attempt to investigate soil nutrients to as a possible factor in determining the shape of the diversity productivity curve. Funding was used to collect richness, plant presence / absence data, biomass and soil nutrient data.
Purpose:
Differentiate this from abstract....
Keywords:
Richness, productivity, grasslands, biomass, norhtern california, soil nutrients
Intellectual Rights:
This dataset is publicly available through the Knowledge Network for Biocompletxity. www.knb.ecoinformatics.org
Funding:NSF Grant 12345
Individual:
Primary Contact		Dr. Jane Doe
Address:
Department of Biology, Northern California University,
University Town, CA 95666 USA
Phone:
321-654-0987 (voice)
Email Address:
doe@uncal.edu
Web Address:
http://www.uncal.edu/doe
Individual:
 John Smith
Address:
Department of Biology, Northern California University,
University Town, CA 95666 USA
Phone:
321-654-0987 (voice)
Email Address:
smith@uncal.edu
Web Address:
http://www.uncal.edu/smith
Organization:Department of Biology, Northern California University
Geographic Metadata:
Geographic Description:Data were collected in the coastal mountains of Northern California. The Valley Oak reserve is located on the east facing slope. The area is primarily oak (Quercus spp) savannah and grasslands. The reserve is 100 km2 in area.
Bounding Coordinates:
West:  119.0  degrees
East:  119.0  degrees
North:  33.8  degrees
South:  33.8  degrees
Temporal Metadata:
Temporal
Description 		A description of what exactly these dates represent would be nice..this field is not in EML
Begin:
5/25/2003
End:
12/30/2003
Taxonomic Metadata:
Taxonomic System: This needs a lot of clarification
ID Name:
Procedures:
General Coverage:All herbaceous plant species were recorded.
Classification:
Rank Name:Species
Rank Value:Avena fatua
Classification:
Rank Name:Species
Rank Value:Bromus hordeaceus
Classification:
Rank Name:Species
Rank Value:Calochortus lutens
Classification:
Rank Name:Species
Rank Value:Eschscholzia californica
Common Name:California poppy
Classification:
Rank Name:Species
Rank Value:Nassella pulchra
Common Name:Bunchgrass
Methods Metadata:
Christy and I are making this more detailed.
Step 1:  
Description:
Sampling Description:
At each reserve, 10-1m2 plots were randomly placed in grassy areas. In each plot, presence or absence of each plant species was recorded. All plants were then clipped at root level, dried and weighed to obtain above-ground peak standing biomass. As most of the production is from annual plants, peak standing biomass can be used as an approximate measure of annual productivity. Approximately 0.5 g of soil was collected from the mid point of each plot. This soil was taken back to the laboratory and and analyzed for total nitrogen and phosphous content.
Data Table Metadata:
Name: EML_simpleex_table.txt
Case Sensitive?: no
Number Of Records: 49
Orientation: Column-major. The data are arranged with major variables in columns.

Data Table Structure (Variable Description)
Variable Name Label Definition Unit Type Missing Precision Var Domain
Site Site  Site at which data were collected   string   
  
enumerated:
code: defin:
CH Coastal Hills Reserve
enumerated:
code: defin:
VO Vally Oak Reserve
Date Date  Date data was collected mm/dd/yy  date   
  
text:
defin: pattern:
any text
Plot Plot  Randomly assigned plot number   integer   
  
numeric:
min: max:
1.0 10.0 
Sp1 Species 1  Presence or Absence of Species 1   integer   
  
enumerated:
code: defin:
1 present
enumerated:
code: defin:
0 absent
Sp2 Species 2  Presence or Absence of Species 2   integer   
  
enumerated:
code: defin:
1 present
enumerated:
code: defin:
0 absent
Sp3 Species 3  Presence or Absence of Species 3   integer   
  
enumerated:
code: defin:
1 present
enumerated:
code: defin:
0 absent
Sp4 Species 4  Presence or Absence of Species 4   integer   
  
enumerated:
code: defin:
1 present
enumerated:
code: defin:
0 absent
Sp5 Species 5  Presence or Absence of Species 5   integer   
  
enumerated:
code: defin:
1 present
enumerated:
code: defin:
0 absent
Rich Richness  Total number of species in plot species  integer   
  
numeric:
min: max:
1.0 5.0 
Biom Biomass  Peak standing biomass g  float   
  
numeric:
min: max:
3.13 96.29 
P Phosphorous  Phosphorous in soil ppm (parts per million)  float   
  
numeric:
min: max:
3.37 24.82 
N Nitrogen  Nitrogen in soil proportion  float   
  
numeric:
min: max:
0.06 0.99 

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