Ecological restoration of degraded ecosystems has emerged as a critical tool in the fight to
reverse and ameliorate the current loss of biodiversity and ecosystem services. Approaches …

Migratory species take advantage of multiple habitats during their life cycle to optimize
growth, survival, and reproduction. However, migration also makes them vulnerable to …

Connected river systems confer advantages upon migratory salmonids by facilitating greater
life history expression and, ultimately, population persistence. In Washington's Elwha River …

Three main-stem dams have fragmented the Clark Fork River in Montana and Idaho for
nearly 100 years. Since 2001, Bull Trout Salvelinus confluentus collected below the farthest …

Barriers to upstream migration, such as dams, limit fish dispersal in lotic systems, including
the federally protected bull trout (Salvelinus confluentus). The Hells Canyon Dam on the …

Investigation of the genetic population structure of Bull Trout Salvelinus confluentus is useful
for developing biologically sound conservation and management strategies. We focused on …

Estuaries are used by anadromous fishes, either as the definitive marine habitat or as
transition habitat as they move to fully marine waters, and extent of estuary use may vary …

As a means to increase visitation, early fisheries management in the National Park Service
(NPS) promoted sport harvest and hatchery supplementation. Today, NPS management …

Defining population boundaries is an important aspect of conservation planning for
threatened and endangered species. The US Fish and Wildlife Service currently designates …

Many fish species exhibit diverse life history strategies that help maintain population
viability. An understanding of the relationships among these strategies is crucial for …