anadromous fish (fish who migrate to fresh water for spawning purposes

См. также в других словарях:

• Fish migration — Many species of salmon are anadromous and migrate long distances up rivers and streams to spawn. Many types of fish migrate on a regular basis, on time scales ranging from daily to annually or longer, and over distances ranging from a few metres… …   Wikipedia

• commercial fishing — Introduction  the taking of fish and other seafood and resources from oceans, rivers, and lakes for the purpose of marketing them.       Fishing is one of the oldest employments of humankind. Ancient heaps of discarded mollusk shells (shell… …   Universalium

• Striped bass — Striper redirects here. For other uses, see Stripe (disambiguation). Striped bass Striped bass Scientific classification Kingdom …   Wikipedia

• Columbia River — Coordinates: 46°14′39″N 124°3′29″W / 46.24417°N 124.05806°W / 46.24417; 124.05806 …   Wikipedia

• Life Sciences — ▪ 2009 Introduction Zoology       In 2008 several zoological studies provided new insights into how species life history traits (such as the timing of reproduction or the length of life of adult individuals) are derived in part as responses to… …   Universalium

• Kobuk River — The Kobuk River is approximately convert|280|mi|km|0|lk=on long, located in the Arctic region of northwestern Alaska in the United States. [USGS Geographic Names Information System (GNIS). [http://geonames.usgs.gov/pls/gnispublic/f?p=gnispq:3:::NO… …   Wikipedia

• Hiram M. Chittenden Locks — Chittenden Locks and Lake Washington Ship Canal U.S. National Register of Historic Places …   Wikipedia

• Sturgeon — Taxobox name = Sturgeon image width = 250px image caption = Atlantic sturgeon ( Acipenser oxyrinchus oxyrinchus ) regnum = Animalia phylum = Chordata classis = Actinopterygii ordo = Acipenseriformes familia = Acipenseridae subdivision ranks =… …   Wikipedia