Catalog - Data.gov

#1 Federal

SGS-LTER Ecosystem Stress Area - long-term density dataset following nutrient enrichment stress on the Central Plains Experimental Range in Nunn, Colorado, USA 1975-2011, ARS Study Number 3

Organization: Department of Agriculture
Dataset Last Updated: November 22, 2025

This data package was produced by researchers working on the Shortgrass Steppe Long Term Ecological Research (SGS-LTER) Project, administered at Colorado State University. Long-term datasets and...

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Search relevance: 1.00 | Views last month: 16 | Catalog Last Checked: September 10, 2026 at 07:52 PM

#2 Federal

NIST NLTE-4 Plasma Population Kinetics Database

Organization: National Institute of Standards and Technology
Dataset Last Updated: January 01, 2007

This database contains benchmark results for simulation of plasma population kinetics and emission spectra. The data were contributed by the participants of the 4th Non-LTE Code Comparison...

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Search relevance: 1.00 | Views last month: 13 | Catalog Last Checked: September 10, 2026 at 05:50 PM

#3 Federal

Vegetation cover from line intercept transects in lagomorph exclosure and shrub removal plots at the Jornada Experimental Range, southern New Mexico, USA, 1938-2001

Organization: Department of Agriculture
Dataset Last Updated: November 22, 2025

This package contains data from a study to quantify vegetation dynamics in response to lagomorph and shrub exclusion on the Jornada Experimental Range from 1938-2001. Data consist of vertical line...

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Search relevance: 1.00 | Views last month: 9 | Catalog Last Checked: September 10, 2026 at 07:52 PM

#4 Federal

Rabbit survey data on creosotebush and grassland routes from the long-term Small Mammal Exclusion Study at Jornada Basin LTER, 1996-ongoing

Organization: Department of Agriculture
Dataset Last Updated: November 22, 2025

This data package contains rabbit survey data from grassland and creosote shrubland habitats on Jornada Experimental Range (JER) and Chihuahuan Desert Rangeland Research Center (CDRRC) lands. Two...

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Search relevance: 1.00 | Views last month: 9 | Catalog Last Checked: September 10, 2026 at 07:52 PM

#5 Federal

SGS-LTER Ecosystem Stress Area - long-term point-frame (percent basal cover) dataset following nutrient enrichment stress on the Central Plains Experimental Range in Nunn, Colorado, USA 1982-2011, ARS Study Number 3

Organization: Department of Agriculture
Dataset Last Updated: November 22, 2025

This data package was produced by researchers working on the Shortgrass Steppe Long Term Ecological Research (SGS-LTER) Project, administered at Colorado State University. Long-term datasets and...

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Search relevance: 1.00 | Views last month: 9 | Catalog Last Checked: September 10, 2026 at 07:52 PM

#6 Federal

NCCN Landbird Monitoring Data Package, 2005-2023

Organization: Department of the Interior
Dataset Last Updated: March 12, 2025 at 12:00 AM

This data package contains North Coast and Cascades Network (NCCN) Inventory and Monitoring Program landbird monitoring data collected during 2005-2023 at Lewis and Clark National Historical Park...

Search relevance: 1.00 | Views last month: 8 | Catalog Last Checked: September 10, 2026 at 07:14 PM

#7 Federal

Annual mean estimates of aboveground net primary production (NPP) at 15 sites at Jornada Basin LTER, 1989-ongoing

Organization: Department of Agriculture
Dataset Last Updated: November 24, 2025

This package contains values of mean annual aboveground net primary production (NPP, in grams per square meter per year) at 15 NPP study sites on Jornada Experimental Range (JER) and Chihuahuan...

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Search relevance: 1.00 | Views last month: 6 | Catalog Last Checked: September 10, 2026 at 07:53 PM

#8 Federal

Seasonal reference harvest measurements of vegetation at 15 net primary production (NPP) study sites at Jornada Basin LTER, 1989-ongoing

Organization: Department of Agriculture
Dataset Last Updated: November 22, 2025

This data package contains reference harvest measurements for the long-term Net Primary Production (NPP) study at the Jornada Basin LTER. Data here include horizontal cover, vertical height, and...

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Search relevance: 1.00 | Views last month: 5 | Catalog Last Checked: September 10, 2026 at 07:52 PM

#9 Federal

Plant Cover at Permanent Quad Locations on the Jornada Experimental Range, 1915-ongoing

Organization: Department of Agriculture
Dataset Last Updated: November 22, 2025

This ongoing data set contains basal cover of perennial grasses and canopy cover of shrubs in 122 1m x 1m quadrats on the Jornada Experimental Range in the northern extent of the Chihuahuan Desert...

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Search relevance: 1.00 | Views last month: 5 | Catalog Last Checked: September 10, 2026 at 07:52 PM

#10 Federal

SGS-LTER Standard Production Data: 2009-2012 Annual Aboveground Net Primary Production on the Central Plains Experimental Range, Nunn, Colorado, USA 2009-2012, ARS Study Number 6

Organization: Department of Agriculture
Dataset Last Updated: November 21, 2025

This data package was produced by researchers working on the Shortgrass Steppe Long Term Ecological Research (SGS-LTER) Project, administered at Colorado State University. Long-term datasets and...

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Search relevance: 1.00 | Views last month: 5 | Catalog Last Checked: September 10, 2026 at 07:52 PM

#11 Federal

Vegetation cover data from line-intercept transects in the long-term Small Mammal Exclusion Study (SMES) at Jornada Basin LTER, 1995-2005

Organization: Department of Agriculture
Dataset Last Updated: November 22, 2025

This package contains perennial vegetation cover data measured using the line-intercept method from plots with various levels of herbivore exclusion on Jornada Experimental Range (JER) and...

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Search relevance: 1.00 | Views last month: 5 | Catalog Last Checked: September 10, 2026 at 07:52 PM

#12 Federal

SGS-LTER Long-Term Monitoring Project: Vegetation Structure on Small Mammal Trapping Webs on the Central Plains Experimental Range, Nunn, Colorado, USA 1999 -2006, ARS Study Number 118

Organization: Department of Agriculture
Dataset Last Updated: November 22, 2025

This data package was produced by researchers working on the Shortgrass Steppe Long Term Ecological Research (SGS-LTER) Project, administered at Colorado State University. Long-term datasets and...

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Search relevance: 1.00 | Views last month: 4 | Catalog Last Checked: September 10, 2026 at 07:52 PM

#13 Federal

Seasonal non-destructive vegetation measurements at 15 net primary production (NPP) study sites at Jornada Basin LTER, 1989-ongoing

Organization: Department of Agriculture
Dataset Last Updated: November 24, 2025

This data package contains non-destructive quadrat measurements collected for the long-term Net Primary Production (NPP) study at the Jornada Basin LTER. Data here include measurements of...

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Search relevance: 1.00 | Views last month: 4 | Catalog Last Checked: September 10, 2026 at 07:53 PM

#14 Federal

BLM Western US GRSG HAF Fine-scale Assessment Area Hub

Organization: Department of the Interior
Dataset Last Updated: July 01, 2026 at 06:43 PM

These boundaries are used to conduct mid-scale (2nd order), fine-scale (3rd order), and site-scale (4th order) habitat assessments within the Western US according to the Sage-Grouse Habitat...

Search relevance: 1.00 | Views last month: 4 | Catalog Last Checked: September 10, 2026 at 06:23 PM

#15 Federal

SGS-LTER Effects of grazing on ecosystem structure and function (GZTX): Vegetation density on the Central Plains Experimental Range, Nunn, Colorado, USA 1992-2008, ARS Study Number 32

Organization: Department of Agriculture
Dataset Last Updated: November 22, 2025

This data package was produced by researchers working on the Shortgrass Steppe Long Term Ecological Research (SGS-LTER) Project, administered at Colorado State University. Long-term datasets and...

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Search relevance: 1.00 | Views last month: 4 | Catalog Last Checked: September 10, 2026 at 07:52 PM

#16 Federal

BLM Natl Western US GRSG HAF Assessment Areas Hub

Organization: Department of the Interior
Dataset Last Updated: July 01, 2026 at 06:43 PM

These boundaries are used to conduct mid-scale (2nd order), fine-scale (3rd order), and site-scale (4th order) habitat assessments within the Western US according to the Sage-Grouse Habitat...

Search relevance: 1.00 | Views last month: 4 | Catalog Last Checked: September 10, 2026 at 06:21 PM

#17 Federal

SGS-LTER Genetic Structure of Metapopulation of Black-Tailed Prairie Dogs on the Central Plains Experimental Range and Pawnee National Grassland in Nunn, Colorado, USA 1997-1998

Organization: Department of Agriculture
Dataset Last Updated: November 22, 2025

This data package was produced by researchers working on the Shortgrass Steppe Long Term Ecological Research (SGS-LTER) Project, administered at Colorado State University. Long-term datasets and...

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Search relevance: 1.00 | Views last month: 3 | Catalog Last Checked: September 10, 2026 at 07:52 PM

#18 Federal

Plant phenology observations at 15 sites at Jornada Basin LTER, 1992-ongoing

Organization: Department of Agriculture
Dataset Last Updated: November 22, 2025

This ongoing data package, which began in 1992, contains monthly plant phenological observations by species at the 15 Net Primary Production (NPP) study sites at the Jornada Experimental Range...

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Search relevance: 1.00 | Views last month: 3 | Catalog Last Checked: September 10, 2026 at 07:52 PM

#19 Federal

Soil disturbance cover data on 1m x 1m plots from the long-term Small Mammal Exclusion Study (SMES) at Jornada Basin LTER, 1995-2015

Organization: Department of Agriculture
Dataset Last Updated: November 22, 2025

This data package contains soil disturbance data from plots with various levels of herbivore exclusion on the Jornada Experimental Range. Study sites were established in 1995; one in black grama...

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Search relevance: 1.00 | Views last month: 3 | Catalog Last Checked: September 10, 2026 at 07:52 PM

#20 Federal

Rabbit feces counts on 1m x 1m plots from the long-term Small Mammal Exclosure Study (SMES) at Jornada Basin LTER, 1995-2015

Organization: Department of Agriculture
Dataset Last Updated: November 22, 2025

This data package contains rabbit feces count data from plots with various levels of herbivore exclusion on Jornada Experimental Range (JER) and Chihuahuan Desert Rangeland Research Center (CDRRC)...

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Search relevance: 1.00 | Views last month: 3 | Catalog Last Checked: September 10, 2026 at 07:52 PM

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SGS-LTER Ecosystem Stress Area - long-term density dataset following nutrient enrichment stress on the Central Plains Experimental Range in Nunn, Colorado, USA 1975-2011, ARS Study Number 3

NIST NLTE-4 Plasma Population Kinetics Database

Vegetation cover from line intercept transects in lagomorph exclosure and shrub removal plots at the Jornada Experimental Range, southern New Mexico, USA, 1938-2001

Rabbit survey data on creosotebush and grassland routes from the long-term Small Mammal Exclusion Study at Jornada Basin LTER, 1996-ongoing

SGS-LTER Ecosystem Stress Area - long-term point-frame (percent basal cover) dataset following nutrient enrichment stress on the Central Plains Experimental Range in Nunn, Colorado, USA 1982-2011, ARS Study Number 3

NCCN Landbird Monitoring Data Package, 2005-2023

Annual mean estimates of aboveground net primary production (NPP) at 15 sites at Jornada Basin LTER, 1989-ongoing

Seasonal reference harvest measurements of vegetation at 15 net primary production (NPP) study sites at Jornada Basin LTER, 1989-ongoing

Plant Cover at Permanent Quad Locations on the Jornada Experimental Range, 1915-ongoing

SGS-LTER Standard Production Data: 2009-2012 Annual Aboveground Net Primary Production on the Central Plains Experimental Range, Nunn, Colorado, USA 2009-2012, ARS Study Number 6

Vegetation cover data from line-intercept transects in the long-term Small Mammal Exclusion Study (SMES) at Jornada Basin LTER, 1995-2005

SGS-LTER Long-Term Monitoring Project: Vegetation Structure on Small Mammal Trapping Webs on the Central Plains Experimental Range, Nunn, Colorado, USA 1999 -2006, ARS Study Number 118

Seasonal non-destructive vegetation measurements at 15 net primary production (NPP) study sites at Jornada Basin LTER, 1989-ongoing

BLM Western US GRSG HAF Fine-scale Assessment Area Hub

SGS-LTER Effects of grazing on ecosystem structure and function (GZTX): Vegetation density on the Central Plains Experimental Range, Nunn, Colorado, USA 1992-2008, ARS Study Number 32

BLM Natl Western US GRSG HAF Assessment Areas Hub

SGS-LTER Genetic Structure of Metapopulation of Black-Tailed Prairie Dogs on the Central Plains Experimental Range and Pawnee National Grassland in Nunn, Colorado, USA 1997-1998

Plant phenology observations at 15 sites at Jornada Basin LTER, 1992-ongoing

Soil disturbance cover data on 1m x 1m plots from the long-term Small Mammal Exclusion Study (SMES) at Jornada Basin LTER, 1995-2015

Rabbit feces counts on 1m x 1m plots from the long-term Small Mammal Exclosure Study (SMES) at Jornada Basin LTER, 1995-2015