Cov txiaj ntsig no yog vim li no raws li kev xav tias lemmings yog cov neeg ua haujlwm ua haujlwm, whereas voles yog functional prey. Population dynamics ntawm lemmings ntawm Finse (a), Kilpisjärvi (b) thiab Finnmark (c), thiab ntawm voles ntawm Kilpisjärvi (d), Pallasjärvi (e) thiab Finnmark (f).
Yog lemmings herbivores?
Lawv yog herbivorous, feem ntau pub rau mosses thiab nyom. Lawv kuj nrhiav tau los ntawm cov daus saum npoo kom pom berries, nplooj, tua, keeb kwm, qhov muag teev, thiab lichens. Lemmings xaiv lawv cov zaub uas nyiam noj zaub tsis zoo rau qhov tshwm sim hauv lawv qhov chaw nyob.
Yuav ua li cas yog tsiaj lemming?
Lemmings yog ib yam luv luv tailed vole, ib tug nas zoo li nas uas nyiam tundra thiab qhib nyom. Peb hom muaj nyob rau hauv Alaska, suav nrog lub tsho lemming, tib tus nas uas tig dawb rau lub caij ntuj no.
Arctic lemmings noj dab tsi?
Lawv cov zaub mov tseem ceeb rau lub caij ntuj sov yog kev sib tw ntawm cov nyom thiab nplooj. Thaum lub caij ntuj no lawv noj khov, tab sis tseem ntsuab, cov khoom siv cog, moss tua, thiab cov tawv ntoo thiab twigs ntawm willow thiab dwarf birch. Muaj qee qhov pov thawj tias xim av lemmings yog cannibalistic thaum zaub mov tsis txaus.
Limmings predators yog dab tsi?
Lemmings muaj ntau tus tsiaj nyeg xws li wolverines thiab snowy owls, tab sis yuav luag txhua tus tsiaj txhu yuav noj lemming ua noj me me. Cov nas no yog qhov lojqhov chaw ntawm cov protein rau cov tsiaj no thiab tseem ceeb heev rau ecosystem.
