Annual; Description based on: 1938 issue; Cover title

This final rule defines the term "harm", which is contained in the definition of "take" in the Endangered Species Act (ESA). The purpose of this rulemaking is to clarify the type of actions that may result in a...

We analyzed the reproductive biology and demographics of the Lost River sucker Deltistes luxatus and shortnose sucker Chasmistes brevirostris, two endangered species endemic to the upper Klamath Basin of Oregon...

TRINITY RIVER FLOW EVALUATION - FINAL REPORT

"March 2005." ; "GAO-05-283."

In this Candidate Notice of Review (CNOR), we, the U.S. Fish and Wildlife Service (Service), present an updated list of plant and animal species native to the United States that we regard as candidates or have...

Recent Paleolimnology of Upper Klamath Lake Eilers et al. 2001 ABSTRACT Sediment cores were collected from Upper Klamath Lake in October, 1998 and analyzed for 210Pb, 14C, 15N, N, P, C, Ti, Al, diatoms,...

A comparative study of the Williamson River (before and after passage through Klamath Marsh) and the Sprague River (which is a major tributary of the Williamson River) in South Central Oregon has provided...

Abstract Sediment-phosphorus release rates as a function of pH were determined in laboratory experiments for sediment and water samples collected from Shoalwater Bay in Upper Klamath Lake, Oregon, in 2001....

This article is an overview of the variety of trout and salmon that are found in Oregon and Washington states.