• Organization: Department of the Interior
• Updated: 2020-08-20T00:00:00Z

This data set contains atmospheric nitrogen deposition rates and herbaceous plant species richness values across sample sites in the USA, originally used for the publication by Simkin et al....

• xml
• xml

• Organization: Department of the Interior
• Updated: 2020-08-20T00:00:00Z

This data release is comprised of a data set that contains specific conductance and chloride concentration data in HUC-8 watersheds that intersect with areas with unconventional oil and gas plays,...

• xml
• xml

• Organization: Department of the Interior
• Updated: 2020-08-30T00:00:00Z

In recent decades the encroachment of woody mangrove species into herbaceous marshes has been documented along the U.S. northern Gulf of Mexico coast. These species shifts have been attributed...

• xml
• xml

• Organization: U.S. Environmental Protection Agency
• Updated: 2016-03-31

This dataset includes the geographic location (lat/lon) for 15,136 plots, as well as the herbaceous species richness, climate, soil pH, and other variables related to the plots. This dataset is...

• none
• none

• Organization: Department of the Interior
• Updated: 2024-06-10T00:00:00Z

This document contains expanded tables from the report "Effects of Climate Change and Atmospheric Nitrogen Deposition on Forest Understory Vegetation Communities in Selected U.S. National Parks"...

• xls

• Organization: Department of the Interior
• Updated: 2025-02-21T00:00:00Z

This data package contains North Coast and Cascades Network (NCCN) Inventory and Monitoring Program prairie vegetation monitoring tabular data collected during 2007-2017 at the American Camp Unit...

• xml
• csv
• csv
• csv

• Organization: Department of the Interior
• Updated: 2020-08-20T00:00:00Z

This dataset represents the relative abundance of non-native, herbaceous cover types in vegetation patches, as mapped from high resolution imagery from 2010. This mapping was conducted as part of...

• xml
• xml

• Organization: Department of the Interior
• Updated: 2024-12-01T00:00:00Z

This geospatial dataset contains North Coast and Cascades Network (NCCN) prairie vegetation monitoring spatial data collected during 2007-2017 at in San Juan Island National Historical Park...

• zip

• Organization: Department of the Interior
• Updated: 2015-03-01T00:00:00Z

This dataset results from systematic sampling on 60 randomly selected plots within the spruce-fir zone of GRSM. Researchers recorded the frequency and cover of 97 bryophyte species occurring on...

• none

• Organization: Department of the Interior
• Updated: 2025-07-16T00:00:00Z

This dataset release provides historical (2016 - 2023) estimates of fractional cover for Exotic Annual Grass (EAG) species and a native perennial bunch grass in the arid and semi-arid rangelands...

• xml
• xml

• Organization: Department of the Interior
• Updated: 2025-07-16T00:00:00Z

This dataset release provides historical (2016 - 2023) estimates of fractional cover for Exotic Annual Grass (EAG) species and a native perennial bunch grass in the arid and semi-arid rangelands...

• xml
• xml

• Organization: Department of the Interior
• Updated: 2025-07-16T00:00:00Z

This dataset release provides historical (2016 - 2023) estimates of fractional cover for Exotic Annual Grass (EAG) species and a native perennial bunch grass in the arid and semi-arid rangelands...

• xml
• xml

• Organization: Department of the Interior
• Updated: 2025-07-16T00:00:00Z

This dataset release provides historical (2016 - 2023) estimates of fractional cover for Exotic Annual Grass (EAG) species and a native perennial bunch grass in the arid and semi-arid rangelands...

• xml
• xml

• Organization: Department of the Interior
• Updated: 2025-07-16T00:00:00Z

This dataset release provides historical (2016 - 2023) estimates of fractional cover for Exotic Annual Grass (EAG) species and a native perennial bunch grass in the arid and semi-arid rangelands...

• xml
• xml

• Organization: Department of the Interior
• Updated: 2025-07-16T00:00:00Z

This dataset release provides historical (2016 - 2023) estimates of fractional cover for Exotic Annual Grass (EAG) species and a native perennial bunch grass in the arid and semi-arid rangelands...

• xml
• xml

• Organization: Department of the Interior
• Updated: 2025-07-16T00:00:00Z

This dataset release provides historical (2016 - 2023) estimates of fractional cover for Exotic Annual Grass (EAG) species and a native perennial bunch grass in the arid and semi-arid rangelands...

• xml
• xml

• Organization: Department of the Interior
• Updated: 2025-07-16T00:00:00Z

This dataset release provides historical (2016 - 2023) estimates of fractional cover for Exotic Annual Grass (EAG) species and a native perennial bunch grass in the arid and semi-arid rangelands...

• xml
• xml

• Organization: Department of the Interior
• Updated: 2014-02-01T00:00:00Z

Vascular plant inventory tabular data for San Juan Island National Historical Park, 2001-2006. The objectives of the vascular plant inventories were: 1) to compile a vascular plant list for the...

• zip

• Organization: Department of the Interior
• Updated: 2025-07-16T00:00:00Z

This dataset release provides historical (2016 - 2024) estimates of fractional cover for Exotic Annual Grass (EAG) species and a native perennial bunch grass in the western United States. The...

• xml
• xml

• Organization: Department of the Interior
• Updated: 2023-06-27T00:00:00Z

These datasets provide early estimates of 2023 fractional cover for exotic annual grass (EAG) species and one native perennial grass species on a weekly basis from May to early July. The EAG...

• xml
• xml