Chifukwa Cha Mbalame Kusamuka
Kuti mbalame ipite maulendo mazana ambiri kapena masentimita pakati pa kubereka kwake ndi kusabereka kwake ndi ulendo wovuta, wovuta, womwe si mbalame zonse zomwe zimapulumuka. Ndiye n'chifukwa chiyani mbalame zimasamukira? Ndi zifukwa ziti zomwe zimatumiza mbalame mamiliyoni kumlengalenga masika ndi kugwa? Pali chifukwa chimodzi chokha cha mbalame zosiyana, koma zonse zimakhalapo kuti zisapitirire, osati kwa mbalame iliyonse, komanso kwa mabanja omwe akuyembekeza kuwalitsa.
Ngati Palibe Mbalame Zasuntha
Popanda chifukwa chothawira, mbalame zingakhale ndi zovuta kwambiri kuposa kuyenda maulendo ovuta. Ngati palibe mbalame zomwe zimasamukira, chakudya cha m'zigawo zawo chidzawonongeka mwamsanga nthawi yachisanu , ndipo anapiye ambiri ndi achikulire adzafa ndi njala. Mpikisano wa malo odyetsa malo odyetsa amatha kukhala owopsa, ndipo nyama zowonongeka zidzakopeka ndi mbalame zazing'ono kwambiri komanso chakudya chophweka cha nestlings . Ndi chifukwa cha zifukwa ziwiri - chakudya ndi kuswana - mbalame zimayenda, koma zifukwazo ndizovuta kwambiri kuposa momwe zimawonekera.
Kusamukira Kudya
Kwa mbalame zonse, chimodzi mwa mfundo zomwe zimayambitsa kusamuka ndi chakudya chosowa. Ngati mbalame zonse zikanakhala m'madera otentha chaka chonse, chakudya chikanakhala chosowa komanso kubereka sikungapindule. Koma monga magwero a zakudya akuyambiranso kumpoto chaka chiri chonse, mbalame zambiri zimasamukira kumadera amenewo kuti zikapindule ndi kuchuluka.
Pamene chakudya chikuchepa mu kugwa, amabwerera kumadera otentha omwe adzikonzekera pakalipano.
Njira imeneyi yosamukira ku chakudya ndi yowona osati mbalame zokhazokha, komanso mbalame zazing'ono zosamuka zomwe zingasunthire madera ochepa kuti zipeze chakudya. Kuwonongeka kwa mbalame kumadzakhalanso chifukwa cha kusintha kwa chakudya, ndi kuwonongeka kwakukulu kumene kumachitika muzaka pamene chakudya chikuchepa kwa mbalame za kumpoto.
Chosowa chimenecho chimawaumiriza iwo kuti apeze chakudya chokwanira kupita kummwera, chabwino kunja kwa mtundu wawo wonse.
Kusamukira kwa Banja
Zaka zoposa mazana, mbalame zasintha njira zosiyana siyana, nthawi ndi malo omwe amwazikira padziko lonse lapansi kuti abereke. Izi zimathandiza mbalame kugwiritsa ntchito njira zosiyanasiyana zolerera ana awo, kuwonjezera mwayi wa ana wathanzi, wodalirika. Mitengo yabwino yoswana ingakhale yosiyanasiyana pa mitundu yonse ya mbalame, ndipo ingakhale ndi zinthu zambiri. Malo odyera oyenera, malo omwe amapereka malo abwino okwanira ndi malo oswana omwe amapereka chitetezo chokwanira kuposa makolo omwe ali ndi mbalame imodzi ndizofunika kuti abzalitse kufalitsa.
Zingamveke zosagwirizana kunena kuti mbalame zimapita kumadera kuti zikawathandize ana awo kukhala ndi moyo. Ambiri mwa mbalame zomwezo nthawi yomweyo amasiya ana awo akamakula, kusiya mbalame, osadziŵa zambiri kuti ayambe kusamukira koyamba popanda kuwatsogolera. Ndicho chifukwa chakuti mbalame zakweza ana awo mu malo olemera, otetezeka, komabe, zimapatsa iwo mwayi wokonzekera ulendo wawo.
Zifukwa Zinanso Mbalame Zimasuntha
Chakudya chingakhale chifungulo cha kusamukira kwanthawi zonse , koma mbalame zimasamukira chifukwa cha zifukwa zina zothandizira ana awo kupulumuka, kuphatikizapo ...
- Nyengo : Mbalame zasintha mitundu yosiyanasiyana ya mafunde kuti zikhale ndi nyengo zosiyana, ndipo kusintha kwa nyengo zimenezo kungakhudze kusamuka. Mwachitsanzo, mbalame zambiri zimachoka ku Arctic, ngati nyengo imatha kutentha ndipo amafunikira malo otentha chifukwa sangathe kupulumuka. Mofananamo, madera otentha kwambiri amatha kukhala malo ovuta kuti asamalidwe bwino, ndipo ndi bwino kuika mazira kumpoto m'malo ozizira.
- Predators : Ma Habitats omwe ali ndi chakudya chochuluka chaka chonse amakopanso chiwerengero chachikulu cha zowononga zomwe zingawononge zisa. Mbalame zomwe zimasamukira ku malo osiyana zimatha kupeŵa chiwonongeko cha nyama zowonongeka, kupatsa ana awo mwayi wapamwamba wokhala okhwima. Mbalame zambiri zimatha kusamukira ku malo apadera omwe sitingathe kuzilombola, monga m'mphepete mwa nyanja kapena zilumba zam'mphepete mwa nyanja.
- Matenda : Gulu lirilonse lalikulu la mbalame lomwe linagwidwa mu malo amodzi limakhala ndi tizilombo toyambitsa matenda komanso matenda omwe angathe kuchepetsa mbalame zikwizikwi m'kanthawi kochepa. Matenda akhoza ndipo nthawi zina amawononga mabala obala . Mbalame zomwe zimabalalika kumadera osiyanasiyana, zimakhala ndi mwayi wofalitsa matenda kwa anthu onse, kuphatikizapo ana awo atsopano.
Pamapeto pake, zifukwa zomwe mbalame zimasamukira zonse zimatsika kuti zikhale ndi moyo - osati osati kupulumuka kwa mbalame zomwe zimasunthira okha, komanso kupulumuka kwa anapiye awo. Kupeza zakudya zowonjezera, kufuna malo okhala otetezeka ndi kupeŵa zowonongeka ndizo zonse zoyendayenda kuti zisamalire bwino. Kusamuka kwabwino kumathandiza mbalame kuti zikhale ndi moyo kwa mbadwo wina ndipo zimalola mbalame kukhala ndi chisangalalo chochitira umboni kusamuka kwa chaka china.