Marbled Murrelet Wildlife Habitat Area

The definition of marbled murrelet murrelet nesting habitat is an important component of any assessment of murrelet exposure in the terrestrial environment.

Marbled murrelet wildlife habitat area.

Whas designate critical habitats in which activities are managed to limit their impact on the identified wildlife element for which the area was established. Marbled murrelets are adversely affected by reductions and modifications to late successional forests. Does not guarantee the reliability or. This theme depicts lands designated as critical habitat under section 4 of the endangered species act for the marbled murrelet in washington oregon and california.

The marbled murrelet hereafter murrelet. Habitat loss due to uncharacteristically severe fire is of particular concern in the klamath mountains ecoregion. In washington this species is an uncommon resident. Marbled murrelets nest in oregon from mid april to mid september.

Murrelets have low reproductive output and have experienced poor breeding success in some areas. Both sexes incubate the egg in alternating 24 hour shifts for 30 days. It informs evaluations of exposure risk or likelihood of occupancy at the site scale and provides the basis for programmatic scale assessments. Marbled murrelets occur along 4 000 kilometers of coastline extending from california to alaska.

Brachyramphus marmoratus is a federally threatened seabird that in washington oregon and california usa nests primarily in the canopy of old growth and mature forest hamer and. The sexually mature adult murrelet at age 2 or 3 of an average 15 year lifespan generally lays a single egg on a mossy limb of an old growth conifer tree. The marbled murrelet inhabits the nearshore marine environment in western north america. T he breeding range of the marbled murrelet extends from bristol bay alaska south to the aleutian archipelago northeast to cook inlet kodiak island kenai peninsula and prince william sound south coastally throughout the alexander archipelago of alaska and through british columbia washington oregon to northern monterey bay in central california.

It is found in marine waters in general proximity to nesting habitat. Wildlife habitat areas wildlife habitat areas whas are mapped areas that are necessary to meet the habitat requirements of an identified wildlife element.