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Catfish Breeding Pond Tank
Hauv Pacific Northwest thiab Alaska, ntses salmon yog hom pob zeb, txhawb cov tsiaj qus xws li noog, dais thiab otters. Lub cev ntawm salmon sawv cev rau kev hloov ntawm cov as-ham los ntawm dej hiav txwv, nplua nuj nyob rau hauv nitrogen, sulfur, carbon thiab phosphorus, mus rau hav zoov ecosystem. Grizzly bears ua haujlwm li ...
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Khoom Taw qhia
Peruvian nuv ntses hauv av, nyob rau hauv ntug dej hiav txwv ntawm Peru, yog tsim los ntawm kev nce nqi tam sim no ntawm Peruvian txias tam sim no. Lub Peruvian Cold Current, tseem hu ua Humboldt Cold Current, originated nyob rau yav qab teb dej ntawm Chile thiab txuas mus rau sab qaum teb mus rau sab qaum teb ntawm Peru. Nws yog ib qho ntawm cov dej txias tshaj plaws hauv ntiaj teb. Vim yog lub zog muaj zog ntawm Peruvian txias tam sim no, nws ua rau dej nyab ntawm cov dej hiav txwv qis hauv Peruvian dej, nqa ntau cov as-ham rau saum npoo ntawm dej hiav txwv, ua rau Peruvian nuv ntses.
Cov ntses hauv Peru qhov chaw nuv ntses feem ntau suav nrog cod, tuna, sardine thiab squid. Kev nplua nuj nuv ntses tsis yog tsuas yog ua tau raws li cov kev xav tau ntawm cov nqaij nruab deg ntawm Peruvians, tab sis kuj tseem tuaj yeem xa tawm ntau ntau. Tam sim no, Peruvian nqaij nruab deg tau dav xa tawm mus rau cov teb chaws hauv South America, nqa cov txiaj ntsig kev lag luam siab rau Peru.
Hauv Pacific Northwest thiab Alaska, ntses salmon yog hom pob zeb, txhawb cov tsiaj qus xws li noog, dais thiab otters. Lub cev ntawm salmon sawv cev rau kev hloov ntawm cov as-ham los ntawm dej hiav txwv, nplua nuj nyob rau hauv nitrogen, sulfur, carbon thiab phosphorus, mus rau hav zoov ecosystem.
Grizzly bears ua haujlwm raws li ecosystem engineers, ntes ntses salmon thiab nqa lawv mus rau thaj chaw ntoo uas nyob ib sab. Nyob ntawd lawv tso zis thiab quav thiab ib feem noj carcasses. Dais tau kwv yees tawm mus txog ib nrab ntawm cov ntses uas lawv sau rau hauv hav zoov, hauv qhov ntom ntom uas tuaj yeem ncav cuag 4,{2}} kilograms ib hectare, muab ntau npaum li 24 feem pua ntawm tag nrho cov nitrogen muaj nyob rau hauv hav zoov riparian. Cov nplooj ntawm tsob ntoo spruce txog li 500 m (1,600 ft) los ntawm ib tug kwj deg uas grizzlies ntses salmon tau pom muaj nitrogen los ntawm ntses ntses ntses.
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Cim npe nrov: catfish yug tsiaj tank tank, Tuam Tshoj, manufacturers, lwm tus neeg, Hoobkas, tuam txhab, lag luam wholesale, khoom
