CWT-LTER Data Set Summary

Accession: 5026 CWT Research Theme: Population and System Dynamics
Contributors: Jennifer M. Fraterrigo, Matthew Candeias, Cindi Brown, Jessica Schaner, Karen Orr
Title: Trait coordination and environmental filters shape functional trait distributions of forest understory herbs
Abstract: We test the importance of environmental filtering and trait covariance for structuring the functional traits of understory herbaceous communities.
Key Words: community assembly, environmental filtering, environmental gradient, intraspecific variation, leaf economics spectrum, plant traits, trait coordination trait-environment relationships
LTER Core Area: Population Studies
CWT Themes: Population and System Dynamics, Population Ecology
Study Type: Coweeta Population and Community Ecology Study
Study Period: 01-May-2016 to 30-Aug-2016
Site References:
 
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Data Table: Population_Traits (Population trait, 76)

Access: Public (released 04-May-2020)

Metadata: Text (ESA FLED), Basic EML, Complete EML

Data Formats: Spreadsheet CSV Text Format, EML-described Text Format, Tab-delimited Text Report with Statistical Summary, GCE Data Toolbox Format, Standard MATLAB Variables Format

Column List:

Column Name Units Type Description (hide)
1 Plot none alphanumeric string Plot names and numbers reflect the watersheds they were located in or near, the site, and the topographic position.
2 Site none alphanumeric string Names reflect which site the plots were located in.
3 Elevation m floating-point Elevation of plot above sea level
4 Aspect degrees floating-point Location of plot counterclockwise from due north
5 Plant none alphanumeric string Name of genus
6 Weighted_Height cm floating-point Height values weighted by species abundance
7 Unweighted_Height cm floating-point Height values for each species not weighted by abundance
8 Weighted_Leaf_Area mm floating-point One sided area of the leaf weighted by species abundance - mm²
9 Unweighted_Leaf_Area mm floating-point One sided area of the leaf not weighted by abundance - mm²
10 Weighted_Leaf_Dry_Matter_Content mg floating-point oven-dry mass (mg) of a leaf, divided by its water-saturated fresh mass (g) weighted by species abundance - mg g-1
11 Unweighted_Leaf_Dry_Matter_Content mg floating-point oven-dry mass (mg) of a leaf, divided by its water-saturated fresh mass (g) not weighted by species abundance - mg g-1
12 Weighted_Specific_Leaf_Area mm floating-point one-sided leaf area (mm2) divided by its oven-dry mass (mg) weighted by species abundance - mm-2 mg-1
13 Unweighted_Specific_Leaf_Area mm floating-point one-sided leaf area (mm2) divided by its oven-dry mass (mg) weighted by species abundance. - mm-2 mg-1
14 Weighted_Leaf_Nitrogen mg floating-point Total foliar nitrogen weighted by species abundance - mg N g-1
15 Unweighted_Leaf_Nitrogen mg floating-point Total foliar nitrogen not weighted by species abundance - mg N g-1
16 Weighted_Leaf_d13C % floating-point Total foliar d13C weighted by percent cover
17 Unweighted_Leaf_d13C % floating-point Total foliar d13C not weighted by percent cover
18 Soil_Temperature °C floating-point Soil temperature throughout summer of 2016 averaged by plot
19 Maximum_temperature °C floating-point Maximum temperature experienced in each plot for summer of 2016
20 Minimum_temperature °C floating-point Minimum temperature experienced in each plot for summer of 2016
21 Soil_Moisture % floating-point Soil moisture values for the summer of 2016 averaged by plot
22 pH pH floating-point Soil pH averaged by plot
23 NO3-N µg floating-point Resin strips NO3, July 2016 - µg N cm-2 day-1
24 NH4-N µg floating-point Resin strips NH4, July 2016 - µg N cm-2 day-1
25 PO4 µg floating-point Resin strips, PO4, July 2016 - µg N cm-2 day-1
26 Total_Soil_%_N % floating-point 0