migration — 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… … Universalium
migration — 1) a directed (not aimless) journey and return occurring regularly in a species, usually at a definite stage in the life cycle, e.g. anadromous, catadromous, diadromous, amphidromous, potamodromous, oceanodromous, all q.v 2) movement of a… … Dictionary of ichthyology
katadrome Migration — katadrominė migracija statusas T sritis ekologija ir aplinkotyra apibrėžtis Žuvų neršto kelionės iš upių į jūras. atitikmenys: angl. catadromous migration vok. katadrome Migration, f rus. катадромная миграция, f … Ekologijos terminų aiškinamasis žodynas
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
katadrominė migracija — statusas T sritis ekologija ir aplinkotyra apibrėžtis Žuvų neršto kelionės iš upių į jūras. atitikmenys: angl. catadromous migration vok. katadrome Migration, f rus. катадромная миграция, f … Ekologijos terminų aiškinamasis žodynas
катадромная миграция — katadrominė migracija statusas T sritis ekologija ir aplinkotyra apibrėžtis Žuvų neršto kelionės iš upių į jūras. atitikmenys: angl. catadromous migration vok. katadrome Migration, f rus. катадромная миграция, f … Ekologijos terminų aiškinamasis žodynas
Australian bass — Taxobox name = Australian bass regnum = Animalia phylum = Chordata classis = Actinopterygii ordo = Perciformes familia = Percichthyidae genus = Macquaria species = M. novemaculeata binomial = Macquaria novemaculeata binomial authority =… … Wikipedia
Anguille d'Amérique — Anguilla rostrata Anguilla rostr … Wikipédia en Français
salmoniform — ▪ fish Introduction any member of the order Salmoniformes, a diverse and complex group of fishes. The order consists of about 1,000 species in the freshwaters and in the oceans of the world. Included are the familiar trout, salmon, and pike … Universalium
Fisheries glossary — This is a glossary of terms used in fisheries, fisheries management and fisheries science. A * Abundance is a measure of how many fish are in a population or a fishing ground. See relative abundance and absolute abundance.* Acoustic survey a… … Wikipedia