Biology and Ecosystems

Learn more about research and monitoring on freshwater, terrestrial, and marine ecosystems and the fish and wildlife within them. Healthy ecosystems provide our society with essential ecosystem services, such as crop pollination, water and air purification, harvestable populations of fish and wildlife, soil replenishment, pest control, and nutrient cycling.

Filter Total Items: 36
Animated image showing grizzly bear range expansion in GYE: 1990 - 2016
May 19, 2017

This animated map showing grizzly bear range expansion in the Greater Yellowstone Ecosystem from 1990 - 2016.

Leetown, WV map
April 12, 2017

Center physically located in Leetown, WV

 Grayscale Scanned 100K USGS Quadrangles
March 8, 2017

Grayscale Scanned 100K USGS Quadrangles

Brown bear (Ursus arctos) and Chum Salmon (Oncorhynchus keta)
February 15, 2017

In this Year in Review report, you will find details on staffing, vacancies, research funding, and other pertinent information. You will also see snapshots of Unit projects with information on how results have been or are being applied by cooperators. That is the essence of what we do: science that matter.


This map illustrates the research and collaborations that the USGS-Northern Rocky Mountain Science Center has world-wide.
February 7, 2017

This map illustrates the research and collaborations that the USGS-Northern Rocky Mountain Science Center has world-wide.  

A stretch of the Colorado River in the Grand Canyon with rock formations partially covered by clouds. 
January 23, 2017

This web mapping application provides access to many of Grand Canyon Monitoring and Research Center’s most commonly used map layers they use in support of science efforts occurring throughout the Colorado River corridor.

WERC Sooty Shearwater (Puffinus griseus) 2011-2012 Density map (birds/sq km) Summer - north
November 9, 2016

Sooty Shearwater (Puffinus griseus) Density map (birds/sq km) Summer - north as part of the Pacific Continental Shelf Environmental Assessment (PaCSEA) project. 
Project contacts: Josh Adams,  John Takekawa, Jonathan Felis
Partner partners: National Oceanic and Atmospheric Administration and U.S. Bureau of Ocean Energy Management

Hurricane Louisiana Coast
September 14, 2016

June 1 marks the beginning of hurricane season. Should storms arrive on the Louisiana coast, the people in coastal communities across the State, along with many Federal, State, and local agencies will need to know how the storms are affecting the coastal and low-lying areas.The USGS maintains an extensive network of coastal gages that provides critical time-sensitive water level.

May 19, 2016

The USGS partners with the Association of American State Geologists (AASG) to develop a distributed archive of standardized geoscience information for the nation.

OBIS-US Biogeographic Tool interactive map
April 26, 2016

The OBIS-USA biogeographic tool provides a summary of the biodiversity (either as lists of species or as certain common diversity indices) for defined biogeographic or jurisdictional regions.

BISON map of mountain maple (Acer spicatum) occurrences layer overplayed with climate and weather layer.
April 21, 2016

A web-based map viewer allowing users to search, view and download species occurrence data from BISON.