Ecosystem Restoration
Ecosystem Restoration
Filter Total Items: 108
Drought & Grazing Experiment: Understanding Impacts and Identifying Mitigation Strategies
Drylands (sometimes called ‘deserts’ or ‘arid and semi-arid' ecosystems) are defined by water scarcity. Understanding how land-use activities may effect dryland ecosystems and dryland ecological processes is a high priority for land conservation and management. Grazing by domestic livestock (typically cattle but also sheep and goats) is the most widespread land-use in drylands globally and a large...
Enhancing Cross-Jurisdictional Adaptive Management in the Gulf of Mexico
Using an iterative qualitative coding process, WARC researchers are identifying objectives, stressors, and management priorities to support the implementation of adaptive management in restoration programs across the Gulf of Mexico.
River Sediment Dynamics
Sediment controls the physical habitat of river ecosystems. Changes in the amount and areal distribution of different sediment types cause changes in river-channel form and river habitat. The amount and type of sediment suspended in the water column determines water clarity. Understanding sediment transport and the conditions under which sediment is deposited or eroded from the various...
Mapping High Marsh along the Northern Gulf of Mexico Coast
USGS is collaborating with Mississippi State University to investigate the effects of fire on Gulf of Mexico marshes. The project will include mapping high marsh and monitoring black rail, yellow rail, and mottled duck responses to prescribed fire application.
Wildlife Toxicology
The team's long term goal is: Examine the causes, fates, exposures, biological accumulation, and adverse effects (including sublethal effects) of environmental contaminants on animal (largely bird) populations.
Assessing contaminant exposure and effects at Areas of Concern across the Great Lakes
The Great Lakes Water Quality Agreement designated 31 Areas of Concern (AOCs) across the Great Lakes. The AOCs are geographical areas where significant beneficial use impairment has occurred as a result of human activities. A beneficial use impairment (BUI) relates to a change in the chemical, physical, or biological integrity of the Great Lakes system sufficient to cause any of the 14 conditions...
Assessing contaminant exposure and effects of contaminants of emerging concern in the Great Lakes Basin
The Great Lakes Water Quality Agreement, in addition to designating 31 Areas of Concern (AOCs) across the Great Lakes, also identified contaminants of emerging (CECs) and mutual concern (CMCs) that warranted additional work not only at AOCs but elsewhere within the Great Lakes Basin.
River Geomorphology and Geomorphic Change
River channels and their adjacent floodplains are ever evolving in form and composition in response to changing patterns of streamflow, the quantity and size of supplied sediment, and feedbacks with the riparian and aquatic ecosystems. Changes in channel form affect aquatic and riparian habitats, which are important for plants, animals, and insects. Erosion and deposition of river channels and...
Ecological Modeling in Support of the Western Everglades Restoration Project
Joint Ecosystem Modeling (JEM) provides ecological models tailored to address specific management issues, for example, the Western Everglades Restoration Project.
Evaluating Ecological Vulnerabilities of the Greater Everglades Ecosystem to Provide Decision Support for Restoration
USGS scientists develop decision support tools to help inform management and restoration of the Greater Everglades Ecosystem.
Long-Term Vegetation Change on the Colorado Plateau
The Colorado Plateau, centered around the four corners area of the Southwest, and includes much of Arizona, Utah, Colorado, and New Mexico, is a large and important component of U.S. drylands. This important home to mountains, desert basins, dramatic canyons, arid woodlands, and grasslands is also one of North America’s most rapidly warming hot spots, with rates of warming of up to 2-3° C within...
Wetland Forest Regeneration Dynamics and Productivity in Southeastern Cypress Swamp Ecosystems
Relict forests (i.e., forests unable to reestablish after disturbance) may develop in the southeastern U.S. in future predicted extreme climates of temperature, flooding, and drought, according to the International Panel on Climate Change.