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... and their physical and biological environments during part or all of a migration cycle. Evolution... heat and aridity, as in many insects, aquatic invertebrates, reptiles, and amphibians). For exam...
... an important role in the integrity of an aquatic system comprising navigable waters as traditionall..., is a major factor in aquatic environments, and it may clog waterways, alter ecosystems, and ...
We, the U.S. Fish and Wildlife Service (Service), change the status of spikedace (Meda fulgida) and loach minnow (Tiaroga cobitis) from threatened to endangered under the Endangered Species Act of 1973, as amended (Act). With this rule we are also revising the designated critical habitats for both species. These changes fulfill our obligations under a settlement agreement.
... competitive edge over invading nonnative aquatic species (Propst et al. 1986, pp. 76-81; Minckley a..., or referenced different ecological environments than that of the spikedace or loach minnow. Ou...
... has been severely degraded: "The aquatic/riparian systems are the most altered and impaired... grazing standards on riparian environments, streams and fisheries. . The Forest Service is...
...SDSI is designed to protect aquatic life, according to Clive Davies, director of EPA's...'s SDSI program for making aquatic environments safer for humans and all animal species." . Johnso...
...During years when aquatic habitat (ponds and streams) is abundant as a resul... of wetland and other suitably moist environments. Despite the California red-legged frog's ability ...
...255). Springsnails are strictly aquatic and respiration occurs through an internal gill. S... upon submerged surfaces in aquatic environments (Mladenka 1992, pp. 46, 81; Hershler and Sada 2002...
... water intake structures and preserve aquatic organisms and the ecosystems they inhabit in water... operate in freshwater or saltwater environments. Saltwater applications typically require more mak...
...Springsnails are strictly aquatic, and respiration occurs through an internal gill. ... on submerged surfaces in aquatic environments. (Mladenka 1992, pp. 46, 81; Allan 1995, p. 83; He...
..., including several known to depend upon aquatic environments for a significant portion of their li...
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