News and Society, Mofuta
A lijo tsa bohlokoa tsa whitefish tlhapi
A khoebo tsa whitefish tlhapi bohlokoa bakeng sa tatso le leholo le le phahameng phepo e nepahetseng boleng. Fish e leng setho sa litlhapi tsa salmon le e fumanoang ka metsi a batang ea linaha tse ka leboea. Tsa whitefish lule ho metsi a Canada, Alaska, Siberia le Northern Europe, moo boemo ba leholimo, lijo le metsi li fapane ka ho feletseng ho tloha mona - palo e khōlō ea subspecies ea litlhapi. Haholo-holo ea tse ngata le tse fapa-fapaneng litlhapi tsa tsa whitefish Russia.
Ho sa tsotellehe ho bao e leng mefuta e le 'ngoe tsa likokoana-hloko, tsa whitefish arotsoe ke phelang ka eona le ho litšobotsi tse morphological. Esita le ka hare ho tlhapi e le 'ngoe pond ka 'na ba le ho se tšoane ka ponahalo, boholo, phepo e nepahetseng, ntshetsopele, latsoa nama.
Russia, mofuta wa tlhapi tsa whitefish atile karolong European le Siberia. Ho lula hoo e ka bang tsohle linōka phallang ka Ocean Arctic, le Lake Baikal. Ka tsa whitefish European fumanoa Onega, Lake Ladoga, Lake Peipus, ho Curonian le Koung ea Finland. Haholo-holo e ngata tsa tlhapi ka Karelian matamo.
Abelwang karolo ya tsa whitefish letšeng, nōkeng, tsamaea-ka. Lake le noka le spawn li fumanoa feela ka matšeng le linōkeng. Tsela ea ho Buisana phela boholo matša, 'me u ho spawn ka nōkeng. Ba bang ba baemeli ba tsa whitefish anadromous ka phela ka metsing a letsoai. Ba phela ka leoatleng, 'me hangata a leng libakeng tsa confluence ea linōkeng, moo e ngata ea lijo,' me metsi a ha e haholo letsoai, 'me spawn nyolohelang linōka. O ile a hlaha ya mike mike tlhapi anadromous phela ka nōka ea selemo ho pota.
Tsa whitefish fapana ho ea ka palo ea stamens ka khoro branchial, eo e haufi le molomo oa ka. Ho na le mefuta e sa tsoaneng tse tharo: malotychinkovye, srednetychinkovye, mnogotychinkovye tsa whitefish.
Ho na le mefuta e meraro ea tsa whitefish e fumana boemo ba molomo: molomo e ka holimo ho ya hodimo, qetellong - pele, e ka tlaase - tlase. subtypes fapaneng fapana le contour mele. Ka tsela e itseng e le boreleli le streamlined, ha ba bang - angular, oa boraro e - nang le hump kapa matsoele a ruruha.
Ka lebaka la litšobotsi morphological ka ja lijo tsa tsa whitefish, bao e leng subtypes fapaneng, ho na le ho se tšoane. Mohlala, tlhapi genus sig le palo e fokolang ea Gill rakers plankton ke ke fepa ka lebaka la ho khoneha ya mathata, kahoo, ho khetha invertebrates benthic. Mnogotychinkovye tsa whitefish ja haholo plankton.
Fish, eo molomo e lebisitsoe ho ea holimo, ka tloaelo ho ha kgolo, le je lintho tse nyenyane e lulang ka le dikarolo e ka holimo metsi. Tsa whitefish, eo molomo e lebisitsoe pele, e khōlō, e ja crayfish, ba banyenyane, caviar tlhapi, likokoanyana larvae.
Boima ba tsa whitefish nyenyane ka ho fetisisa ke dikgerama ka tlase ho lekholo, le kholo ka ho fetisisa ka boima boima ba lik'hilograma tse fetang robeli. Ho itšetlehile ka mefuta e, tlhapi tsa whitefish ha hōla ka tsela e tšoanang. Ho na le ho itima lijo-hōla le ho lieha-hola foromo. subspecies e fapaneng ya tsa whitefish ka bongata. Ho na le mefuta e eo baahi ba bangata haholo, 'me batho ba bang, ho fapana le hoo, e le haufi le ho fela le sireleditsweng ka molao.
Tsa whitefish e filoe silevera (ka tšehali yellowish) junifomo 'mala, toothless molomo, mahlakoreng a bataletseng, sekala ka toka khōlō, tšoeu nama. Fish tsa whitefish ha a fetohe pele spawning mala lona, empa ba batona 'mele ho na le "perela" placer. Ka ba batona, ho fapana le tse tšehali, 'mele e sa le sekala nyenyane.
subspecies ka ho fetisisa spawn tsa whitefish ka hoetla morao ka metsi a batang. Qetellong ea lehlabula pele qala ha spawning hloa tsa whitefish fihlela nōka hole lekana. Ho fihla likhoeli spawning. Ka tloaelo ho, likarolo tsena tsa nōka na le hona joale ba fokolang, botebo tebang le lehlabathe tlase. Mora spawning tsa whitefish ha o shoe, joalokaha e etsoa litlhapi tsa salmon, 'me a kgutlang ho sa feleng bolulo.
Thanks ho nama monate le tse phahameng-mafura tsa whitefish tlhapi ke ea bohlokoa lijo sehlahiswa. Fish e na le thuso amino acid le liminerale: iodine litareng e, fluorine, zinki, chromium tšepe, phosphorus. tsa whitefish mafura hantle ho thuisoa le ananelang 'mele, ha ho kotsi ea mala, e nang le livithamine bohlokoa bakeng sa batho A, D, maq.
Similar articles
Trending Now