Nyama zopangidwa ndi zoyera zimatha kufa chifukwa cha kusintha kwa nyengo, kafukufuku akuwonetsa

Nyama zopangidwa ndi zoyera zili pachiwopsezo cha kufa chifukwa kusintha kwa nyengo ndikupangitsa kuti agwetse chipale chofewa, kusiya iwo akuwonekera komanso osatetezeka, phunziro latsopano likusonyeza.

Asayansi ku Poland akhala akutsatira nkhawa za Weasel, zomwe zimakwirira chitoliro chake nthawi yozizira kuti chikho cha chovala cha mkaka chiziloleza kukhala chilengedwe chake.

Koma ofufuza apeza kuti pakati pa 1997 ndi 2007 chiwerengero cha masiku omwe chili ndi chipale chofewa cha Białowieża, Poland, adachotsa 80 mpaka 40 mpaka 40.

Zikutanthauza kuti zolengedwa zing'onozing'ono zikutengedwa kunja kwa malo osakhala bwino, pomwe ali osavuta kusemphana nyama ngati nkhandwe ndi akhwangwala.

Gulu lomwe lili ku Maphunziro a Sayansi la sayansi lidapeza kuti pa masiku ochepa chivundikiro cha chipale chofewa, chiwerengero cha ma weases obiriwira omwe adakwanitsa kugwidwa mpaka 20 peresenti yonseyo idaphedwa.

M'mbuyomu iwo akanakhala olamulira, chifukwa malaya awo akadawapatsa mwayi wopulumuka.

Vuto limatha kukhudza nyama zina zofiirira ndi mbalame zomwe zimakhala pamadera omwe ali pachiwopsezo chanyengo monga nkhanza ya Arctic pomwe chipale chofewa chimapangitsa kuti chipale chofewa chimayambitsa masamba ndi browns.

Asayansi alemba mitundu 21 ya mbalame ndi mbalame zomwe zimayatsidwa oyera nthawi yozizira kuphatikiza haressing hare, hamsters, zowoneka bwino, mbalame yoyera, mbalame ya Wilmirm.

Wolemba Dr Karol Zub, adauza telegraph: [Mosakayikira malamulo omwewo amafunsira kwa nyama zonse zokuza ndi mbalame.

[Malinga ndi maphunziro a sholshoe hares nthawi yomwe ma hares ali ndi mawonekedwe osinthika sabata iliyonse amatsika ndi 3.3 - 6.5 peresenti. Izi zikuwoneka kuti siziyenera kukhala zazikulu, koma zochulukirapo zozizira zimatha kusinthanso kufa kwa mitundu.

[Zatheka kuti pasatsitsidwe mtsogolo ndi mabatani adzazimiririka kuchokera kumadera ambiri kumpoto kwa Europe ndi North America.

"Adzasinthidwa ndi morph ma morphs kapena adzaonekera m'nthawi yake, kukhala oyera pang'ono."

Ofufuzawo adachitanso mayeso pogwiritsa ntchito zoseweretsa za bulauni komanso zoyera kuti muwone ngati mitunduyo ikupanga kusiyana kwa zilombo.

Akakhazikitsa misampha ya kamera yomwe amapeza nyama zambiri, monga nkhandwe, mimbulu ndi mbalame za kudyera zidayandikira ku zoseweretsa zoyera, koma palibe amene adathandizidwa ndi zofiirira.

Olembawo akuti zipezeka zonse zonsezi zikusonyeza kuti kuchepa kwa Weasels yoyera yoyera kumachitika chifukwa chowonjezereka pozindikira ndi zidole zofewa.

Ofufuzawo ali ndi chiyembekezo nyamazo adzaphunzira kusintha, koma akuti sangathe kuweruza nyama zowonongeka.

Mumakonda kusintha mtundu nthawi yozizira, nthawi zambiri amakhala ndi moyo kuti adutse majini awo obiriwira, ndikuwonjezera kuchuluka kwa mitundu yakuda.

Dr Eub adawonjezera: [Tisanyalanyaze mphamvu ya kusankha kwachilengedwe. Tikukhulupirira kuti limodzi ndi kutentha kwamtsogolo, kutentha kwa nthawi yophukira kudzachulukanso, kuperekanso chizindikiro kwa ma atole kuti achepetse kuwala kwake.

Kafukufukuyu adasindikizidwa munkhani yasayansi yasayansi.

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2018.05.29

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