Metadata
An abbreviated version of the metadata for a core NutNet dataset is below.
The full NutNet metadata is available in the NutNet Dropbox and Google Drive folders.
| table_name | column_name | description |
|---|---|---|
| comb_by_plot_plus_diversity | site_name | Expanded site name |
| comb_by_plot_plus_diversity | site_code | code in the form of "shorthand.country" e.g., cdcr.us, kiny.au, frue.ch |
| comb_by_plot_plus_diversity | continent | site continent |
| comb_by_plot_plus_diversity | managed | 1=site under active management of any kind; 0 = wild site |
| comb_by_plot_plus_diversity | burned | 1=site under active managed burning regime; 0=no burning regime |
| comb_by_plot_plus_diversity | grazed | 1=site regularly grazed by herbivores, 0 = ungrazed |
| comb_by_plot_plus_diversity | anthropogenic | 1=site anthropogenically created (e.g. "restored"); 0=site not restored/created |
| comb_by_plot_plus_diversity | habitat | standard habitat descriptions |
| comb_by_plot_plus_diversity | precipitation | Mean annual precip in mm |
| comb_by_plot_plus_diversity | elevation | mean elevation (m) |
| comb_by_plot_plus_diversity | latitude | latitude from -90 (S) to +90 (N) in decimal degrees |
| comb_by_plot_plus_diversity | precip_jul | Mean July precip in mm |
| comb_by_plot_plus_diversity | precip_jan | Mean January precip in mm |
| comb_by_plot_plus_diversity | jan_low | Mean monthly low in January in degrees C |
| comb_by_plot_plus_diversity | jan_high | Mean monthly high in January in degrees C |
| comb_by_plot_plus_diversity | jul_high | Mean monthly high in July in degrees C |
| comb_by_plot_plus_diversity | jul_low | Mean monthly low in July in degrees C |
| comb_by_plot_plus_diversity | region | region |
| comb_by_plot_plus_diversity | experiment_type | Degree of experimental implementation |
| comb_by_plot_plus_diversity | block | block number |
| comb_by_plot_plus_diversity | plot | plot number |
| comb_by_plot_plus_diversity | N | 1=N added, 0 = control |
| comb_by_plot_plus_diversity | P | 1=P added, 0 = control |
| comb_by_plot_plus_diversity | K | 1=K added, 0 = control |
| comb_by_plot_plus_diversity | Exclose | 1=fenced, 0=control |
| comb_by_plot_plus_diversity | year_trt | 0 = pretreatment observation; 1=first observations after treatments; 2=2nd year after treatment; etc |
| comb_by_plot_plus_diversity | first_nutrient_year | first year sampled following nutrient addition. In Northern Hemisphere sites, always the same year as nutrient addition. |
| comb_by_plot_plus_diversity | first_fenced_year | first year sampled following fence implementation. |
| comb_by_plot_plus_diversity | treat_other_name | Type of additional treatment at plot level (e.g, insecticide, rain-out shelter, additional nutrient level, etc). |
| comb_by_plot_plus_diversity | treat_other_level | Level of additional treatment referenced in "treat_other_name." |
| comb_by_plot_plus_diversity | cover_year | year cover data were taken |
| comb_by_plot_plus_diversity | sum_INT_cover | SUM of %cover in plot for live plant species designated as INTRODUCED locally |
| comb_by_plot_plus_diversity | sum_NAT_cover | SUM of %cover in plot for live plant species designated as NATIVE locally |
| comb_by_plot_plus_diversity | sum_UNK_cover | SUM of %cover in plot for live plant species whose provenance is UNKNOWN or Undetermined |
| comb_by_plot_plus_diversity | total_cover | SUM of %cover for all recorded live plants in plot |
| comb_by_plot_plus_diversity | INT_rich | COUNT of unique live plant taxa in the plot designated as INTRODUCED locally |
| comb_by_plot_plus_diversity | NAT_rich | COUNT of unique live plant taxa in the plot designated as NATIVE locally |
| comb_by_plot_plus_diversity | UNK_rich | COUNT of unique live plant taxa in the plot whose provenance is UNKNOWN or Undetermined |
| comb_by_plot_plus_diversity | rich | COUNT of unique live plant taxa in the plot |
| comb_by_plot_plus_diversity | biomass_year | year biomass sample taken |
| comb_by_plot_plus_diversity | dead_mass | SUM of dead plant biomass/litter per plot (g) |
| comb_by_plot_plus_diversity | live_mass | SUM of live plant biomass per plot (g) |
| comb_by_plot_plus_diversity | total_mass | SUM of biomass per plot (g) |
| comb_by_plot_plus_diversity | unsorted_mass | SUM of mass not sorted (usually submitted as TOTAL per plot rather) (g) |
| comb_by_plot_plus_diversity | proportion_par | Ground_PAR / Ambient_PAR |
| comb_by_plot_plus_diversity | par_year | year par sample was taken |
| comb_by_plot_plus_diversity | Ambient_PAR | MEAN ceptometer reading above grassland canopy |
| comb_by_plot_plus_diversity | Ground_PAR | MEAN ceptometer reading at ground level |
| comb_by_plot_plus_diversity | rich.vegan | Plot MEAN plot species richness calculated from subplot observations within year estimated by R package vegan |
| comb_by_plot_plus_diversity | shan | Plot MEAN of within-year subplot shannon diversity index values estimated by R package vegan |
| comb_by_plot_plus_diversity | even | Plot MEAN of within-year subplot species evenness (shannon diversity / log(S)) values estimated by R package vegan |
| full_cover | year | year cover observation taken |
| full_cover | site_name | Expanded site name |
| full_cover | site_code | code in the form of "shorthand.country" e.g., cdcr.us, kiny.au, frue.ch |
| full_cover | block | block number |
| full_cover | plot | standardized plot number |
| full_cover | subplot | letter code of subplot |
| full_cover | Taxon | Scientific name as binomial (Genus species) plus any infraspecific designation (variety, subspecies) |
| full_cover | live | flag to denote live plants versus all other cover observations (e.g. "ROCK", "GOPHER DIGGING") |
| full_cover | local_provenance | local site assignment as Native or Introduced or Unknown |
| full_cover | local_lifeform | description of plant form given by local site (NOT standardized) |
| full_cover | local_lifespan | Standardized lifespan as reported by local site |
| full_cover | max_cover | Maximum %cover of taxon in subplot in year |
| full_biomass | year | year biomass observation taken |
| full_biomass | site_name | Expanded site name |
| full_biomass | site_code | code in the form of "shorthand.country" e.g., cdcr.us, kiny.au, frue.ch |
| full_biomass | block | block number |
| full_biomass | plot | standardized plot number |
| full_biomass | subplot | letter code of subplot |
| full_biomass | mass | Dried biomass of taxa in grams per m^2 |
| full_biomass | category | standardized type of biomass |
| full_biomass | live | flag to indicate whether live plant biomass or litter |