fish migration
1Fish 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… …
2fish migration — žuvų migracija statusas T sritis ekologija ir aplinkotyra apibrėžtis Žuvų plaukimas į kitas vietas neršti, maitintis, žiemoti. Dauguma migruojančių žuvų gyvena jūrose, o neršti plaukia į upes, seklumas, arčiau krantų. atitikmenys: angl. fish… …
3Migration — Migration, Migratory behavior, or Migratory may refer Gene migration, a process in evolution and population genetics Animal migration, the travelling of long distances in search of a new habitat Human migration, physical movement by humans from… …
4migration — migrational, adj. /muy gray sheuhn/, n. 1. the process or act of migrating. 2. a migratory movement: preparations for the migration. 3. a number or body of persons or animals migrating together. 4. Chem. a movement or change of position of atoms… …
5Fish ladder — Fishways, most commonly called fish ladders but also known as fish passes and in Australia also referred to as fish steps, are structures on or around artificial barriers (such as dams and weirs) to facilitate diadromous fishes natural migration …
6migration of fish — žuvų migracija statusas T sritis ekologija ir aplinkotyra apibrėžtis Žuvų plaukimas į kitas vietas neršti, maitintis, žiemoti. Dauguma migruojančių žuvų gyvena jūrose, o neršti plaukia į upes, seklumas, arčiau krantų. atitikmenys: angl. fish… …
7Fish and Wildlife Coordination Act — The Fish and Wildlife Coordination Act (FWCA) provides the basic authority for the United States Fish and Wildlife Service s (FWS) involvement in evaluating impacts to fish and wildlife from proposed water resource development projects. It… …
8Migration Des Oiseaux — La migration des oiseaux est un mouvement régulier observé chez de très nombreuses espèces d oiseaux. Ce déplacement est, par exemple, une manière pour ces espèces d échapper à un changement d habitat ou une baisse de disponibilité de nourriture… …
9Migration aviaire — Migration des oiseaux La migration des oiseaux est un mouvement régulier observé chez de très nombreuses espèces d oiseaux. Ce déplacement est, par exemple, une manière pour ces espèces d échapper à un changement d habitat ou une baisse de… …
10fish|wheel — «FIHSH HWEEL», noun. U.S. = salmon wheel: (Cf. ↑salmon wheel) »A good number of chum salmon end their inward migration up the Tanana river in fishweels (Fairbanks, Alaska Daily News Miner) …
