Found 137 datasets matching "Habitat alteration".
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This data release includes metrics from the Regional Stream Quality Assessment (RSQA) from the Southeast Region for habitat stressors related to water-quality and habitat substrate. The goals of...
Search relevance: 48.13 | Views last month: 0 -
Changes to instream flow are known to be one of the major factors that affect the health of biological communities. Flow alteration can degrade physical habitat and alter water quality, reducing...
Search relevance: 45.92 | Views last month: 0 -
The data described here comes from a study comparing reef habitat alteration along an upwelling gradient in the eastern Tropical Pacific from 2015-08-21 to 2019-04-05. Standardized blocks of...
Search relevance: 45.65 | Views last month: 0 -
Coastal habitats are utilized and altered for a suite of human uses. Habitat modification is here defined as the alteration or removal of geomorphic structure as a result of human use. This...
Search relevance: 45.46 | Views last month: 0 -
Human alteration of waterways has impacted the minimum and maximum streamflow in more than 86% of monitored streams nationally and may be the primary cause for ecological impairment in river and...
Search relevance: 45.40 | Views last month: 0 -
Coastal habitats are utilized and altered for a suite of human uses. Habitat modification is here defined as the alteration or removal of geomorphic structure as a result of human use. This...
Search relevance: 44.33 | Views last month: 1 -
We developed the first publicly available spatially explicit estimates of the human alterations along the global floodplains during the recent 27 years (1992-2019) at 250-m resolution. To maximize...
Search relevance: 43.99 | Views last month: 6 -
The U.S Geological Survey Scientific Investigations Map provides raster data that can be used to assess channel response to streamflow alteration scenarios indicated from computer modeling of...
Search relevance: 42.70 | Views last month: 0 -
This dataset consists of volume discharges from the Mississippi and Atchafalaya rivers collected by Louisiana State University from September 1985 to December 1987 as part of the MMS/OCS...
Search relevance: 41.25 | Views last month: 0 -
This research was initiated by the Puget Sound Steelhead Technical Recovery Team to develop viability criteria for threatened Puget Sound steelhead and to support recovery planning of this...
Search relevance: 39.37 | Views last month: 0 -
Conversion and fragmentation of wildlife habitat often leads to smaller and isolated populations and can reduce a species’ ability to disperse across the landscape. As a consequence, genetic drift...
Search relevance: 38.91 | Views last month: 0 -
Deposits of lead (Pb) and other metals in southeastern Missouri, USA have been exploited since the 1700s. Metal contamination of fish and other aquatic biota, alteration of fish and invertebrate...
Search relevance: 37.91 | Views last month: 0 -
The Yellowcheek darter (YCD), Nothonotus moorei (Robison and Buchanan 2020), is endemic to the headwater tributaries (a.k.a. ‘forks’) of Little Red River system (South Fork, SF; Middle Fork, MF;...
Search relevance: 34.34 | Views last month: 0 -
Invasive annual plants such as red brome (Bromus rubens), cheatgrass (B. tectorum), and African mustard (Malcomia africana) can have profound impacts on dryland ecosystems. Potential impacts...
Search relevance: 34.18 | Views last month: 0 -
Amphibian decline is a problem of global importance, with over 40% of species considered at risk. This phenomenon is not limited to the tropics or to other countries. Amphibian species in the U.S....
Search relevance: 33.01 | Views last month: 0 -
These data provide information on the presence of invertebrates at a subset of sites at Blackrock and Togwotee pass. These data are associated with the project detailed in the abstract below:...
Search relevance: 32.81 | Views last month: 1 -
These capture-mark-recapture data for boreal toads are associated with the project that is abstracted below: Amphibian decline is a problem of global importance, with over 40% of species...
Search relevance: 32.81 | Views last month: 0 -
These capture-mark-recapture data for chorus frogs are associated with the project that is abstracted below: Amphibian decline is a problem of global importance, with over 40% of species...
Search relevance: 32.69 | Views last month: 0 -
This data set provides the information for egg mass counts for Rana lutieventris (Columbia spotted frog). These data are associated with the project that is abstracted below: Amphibian decline is...
Search relevance: 32.66 | Views last month: 0 -
The polygon (vector) feature class represents locatable mineral resource assessment tracts (tracts of land) associated with the Department of the Interior (DOI) Sagebrush Focal Areas (SFAs) in...
Search relevance: 32.63 | Views last month: 1
