Managing the world's freshwater supply to meet societal and environmental needs in a
changing climate is one of the biggest challenges for the 21st century. Dams provide water …

Understanding the relative strengths of intrinsic and extrinsic factors regulating populations
is a long‐standing focus of ecology and critical to advancing conservation programs for …

Translocations, defined herein as the human‐assisted movement of individuals from a
source population to other waters within their historical range, are prevalent in recovery …

Two large dams on the Colorado River, Glen Canyon and Hoover Dam, have profoundly
altered the river within Grand Canyon. Owing to widespread drought and increased water …

The Colorado River in Grand Canyon is highly regulated, with hypolimnetic releases that are
generally unfavorable for endemic native fishes. However, both long-term drought and …

Systematic larval fish surveys increase the probability of detecting rare species and provide
ecological insights for more common species that can be difficult to infer from surveys of …

The incompatibility of native Colorado River fishes and nonnative warm-water sport fishes is
well documented, with predation by nonnative species causing rapid declines and even …

Habitat descriptions found in critical habitat designations and recovery plans are important
for protecting endangered species. However, in order to protect critical habitat, it is …

Abstract Colorado Pikeminnow Ptychocheilus lucius, the Colorado River's top native
predatory fish, was historically distributed from the Gulf of California delta to the upper …

Survival is a key life history parameter that can inform management decisions and basic life
history research. Because true survival is often confounded with permanent and temporary …