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The purpose of this project is to determine if a newly formed rapid on the Colorado River is acting as a barrier to invasive non-native fish moving upstream from Lake Mead into the Grand Canyon National Park (GCNP). These non-native fish would threaten native desert fishes upstream to include the endangered Razorback Sucker and the Humpback Chub. The project will fill knowledge gaps on fish movement, species composition, and population dynamics in this minimally studied section of the Colorado River, and inform managers on whether active management actions (e.g. native fish translocations; non-native removals) may be required to conserve native fishes in the western Grand Canyon.
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The Rio Grande provides drinking water for more than six million people, irrigation water for two million acres of land in the United States and Mexico, and supports riparian ecosystems that are home to endangered species like the ocelot and Rio Grande silvery minnow. Climate variability and anthropogenic activities continue to stress this already limited water resource. This project was developed in response to a request from a group of stakeholders who work in the Basin and represent federal, state and local agencies, private industry, farmers, ranchers, and NGOs. These stakeholders identified the need for a comprehensive data resource that spatially depicts where conservation activities are occurring on the ground....
Categories: Project;
Types: Map Service,
OGC WFS Layer,
OGC WMS Layer,
OGC WMS Service;
Tags: 2018,
CASC,
Completed,
Data Visualization & Tools,
Data Visualization & Tools, All tags...
Drought, Fire and Extreme Weather,
Drought, Fire and Extreme Weather,
Extreme Weather,
Extreme Weather,
Projects by Region,
Rio Grande watershed,
Rivers, Streams and Lakes,
Rivers, Streams and Lakes,
Science Tools for Managers,
Science Tools for Managers,
South Central,
South Central CASC,
State of the Science,
State of the Science,
Water, Coasts and Ice,
Water, Coasts and Ice,
ecosystem restoration,
water conservation, Fewer tags
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Stretching almost 1,900 miles from Colorado to the Gulf of Mexico, The Rio Grande supplies drinking water for more than 6 million people and irrigation for about 2 million acres of cropland. In addition to the ecosystem services it provides, the river supports habitat for many native species, such as trout, and the endangered silvery minnow and southwestern willow flycatcher. In 2010, a joint stakeholder committee, comprised of stakeholders in the South Central CASC and the USDA Southwest Climate Hub, focused on developing an improved understanding of changes in water availability and implications for natural resources and their management. Since then, the committee has identified the need for a forum to discuss...
Categories: Project;
Types: Map Service,
OGC WFS Layer,
OGC WMS Layer,
OGC WMS Service;
Tags: 2021,
CASC,
Projects by Region,
Rivers, Streams and Lakes,
Rivers, Streams and Lakes, All tags...
Science Tools for Managers,
Science Tools for Managers,
Social Science,
Social Science,
South Central,
South Central CASC,
State of the Science,
State of the Science,
Water, Coasts and Ice,
Water, Coasts and Ice, Fewer tags
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The narrow-headed gartersnake (Thamnophis rufipunctatus, hereafter THRU) is a federally threatened species endemic to the Mogollon Rim of central Arizona and western New Mexico. This species has undergone marked declines throughout its range due primarily to introduced fish and crayfish and loss or degradation of riparian and within-stream habitat. There is currently no THRU species recovery plan and in 2020 the U.S. Fish and Wildlife Service formally began the most recent Species Status Assessment (SSA) for THRU, which is anticipated to form the basis for the species recovery plan. However, there is relatively little empirical data available on the movement ecology and population dynamics of THRU, which span multiple...
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