Siberian Lemming: description, dhalmo, nafaqada

Lemmings - yihiin jiirka yar yar ee ku nool ee kaynta iyo Dhuldhoobo ee waqooyiga Ameerika iyo Eurasia. Waxaa jira dhawr nooc oo ah xayawaankaas. Sayidka, lemming ee Siberian caadi ah in Kamchatka oo gasiirado badan Arctic ah Dhuldhoobo Arctic ah.

waxa ay cunaan, sida in la eego, live iyo sirdoonka: In this article, waxaan ka badan oo ku saabsan xayawaanka, kuwaas oo wax ku bartaan.

faafidda

lemming Tani waxay ku nool Dhuldhoobo ee Eurasia, oo u dhexeeya webiyada of Northern Dvina iyo River Onega in ay qeybaha hoose ee River Kolyma ah. Sidoo kale deggan jasiiradda sida White, Vaigach, Novosibirsk, Wrangel. Asal ahaan, xuduud koonfureed ee kala duwan ee ku beegan tahay qaybta waqooyi ee ay kaynta-Dhuldhoobo. dadka oo kala duwan go'doon lagu arkay swampy taiga dooxada Kolyma.

kala duwanaansho juqraafi

Waa in la ogaadaa in foomamka waynaha calaamadeeyay hoos u dhac ku size ku xiran tahay jihada. Sidaas darteed, lemming on Dhuldhoobo ee galbeedka ku nool ka hoos ugu weyn ee dhinaca bariga. At-ka ocher isla brown midab bedelay metrik madow, kordhin in dhabanada, sinaha iyo jir hoose, sidaas baaba, karbaash dhabbar madow. midabaynta Winter jirsado cawl iyo brightens. In xoolaha Siberian Islands waa ku dhawaad saafi cad. Sidoo kale waa in la ogaadaa in jasiiradda foomamka dhulweynaha a aad u balaaran.

muuqaalka

Lemming - neef xayawaan ah in uu yahay ee jiirka ka-yar oo gaaban, oo dhererkiisu ay jirka - 18 cm, iyo badhidiisa oo - ilaa 17 mm. Oo waxay soo gaadheen dhagaxii miisaanka oo ka mid ah 130 g, halka culus nin dhadig, by 10%. midab guud ee xayawaanka - guduudan oo huruud la shaydi yar oo ah codadka brownish iyo cawl. On xigtaa ee sanka inay dabada asal ahaan waa xariijin dhuuban madow. Boca dhabannada iyo galyadeena daxalaystay oo dhalaalaya, caddaan caloosha anfac badan, xilliyo la xiriiri ah oo huruud ah. In deegaanka ee kuwa dhegaha iyo indhaha yihiin jeebbooyin waajihi mugdi ah.

Ayaa isla goobta ku bari madow waa dabeecadda xayawaanka la saabsan. Wrangel iyo Islands New Siberian. dhogorta Winter gaabiyo iyo xagaaga fududee xilliyo ficil cad, strip dhuuban dhabarka dambe ee hooska iftiin brown. dacawo dhulweynaha xoogaa yar qaaradda; ka lumay tartiib ah strip iyo dhimista ee size ayaa lagu arkay jihada ah bari. Tirada Diploid of koromosoomyada - 50 xabbadood.

dhalmo

lemming Siberian aad u goolasha. Sayidka, dumar ka 3 ilaa 5 pups dhigaan 6 jeer sanadkii. Marmar, mana dhalayaan oo kaliya in tiro badan. Xaaladdan oo kale waxaa jira yaraanta cuntada, ka dib markii taas xayawaanka samayn dejinta mass, inta uusan u dhaqaaqin in xariiq toosan, sida ayax, wax baabbi'iya oo wax walba iyo in ay calalin karo.

feed The on lemmings?

Waxay inta badan cuni dareemaduna, mararka qaarkood laamaha ku xoortay. Waxa kale oo la cuno mararka berry, cayayaanka ruugi geeso, xayawaanka hore tuuraa. Hadii aad kala ogaado waxa la cuno lemmings ee xilliga qaboobaha, waxa xusid mudan in ay mararka qaarkood ruugi planus iyo ajada on goob ah oo ku saabsan a mitir iyo badh. Marka uu barafka soo dulfuulan, inta badan yimaadaan si ay dusha sare.

habka nolosha

At-waah iyo cidhiidhsan-skulled ungulates lemmings waa ugu badan nooca jiirka Dhuldhoobo. Tirada ugu weyn gaadho polygonal, iyo Dhuldhoobo tussock Caraabaah la fiican oo heer sare sedge-ajada. Lemming waxaa laga helaa, sawir ah kaas oo la soo bandhigay ee qodobkan, in dooxooyinka ee harooyinka iyo webiyo buurta iyo foothill hooseeyo Dhuldhoobo sedge-geed meelaha swampy. Guskiisa iyada oo meelaheeda dhoobada ee aaga kaynta.

The shuruudaha waayo hoygii xayawaanka waa helitaanka calafka iyo meelaha ku haboon dhismaha Burrows (Peat iyo wasakh tuulmo, ajada sphagnum iyo barkinta). Dhuldhoobo The polygonal (microrelief ah ee foomka of geesoolayaashu waaweyn, kuwaas oo loo kala qaybiyey dildilaaca dhaxan) Lemming (xoolaha sawir laga heli karaa this article) ku nool yihiin ee dildilaaca of lakabka Peat ah, halka iyaga oo isticmaalaya dhaqdhaqaaqa degdeg ah.

Muuqaalka caan ku ah xoolaha nool oo hoos barafka deggan qaybta ugu weyn ee sannadka. Xilliga jiilaalka, waxay ku xiran yihiin meelo kala duwan oo leh cover baraf ee 0.5-1 m: sariiro durdurro, Wabiyaal, Dhuldhoobo harooyinka qalalan iyo marshlands. Waddo dhaqdhaqaaqyo ku hoos barafka, buulal dhisida spherical ee calal dhirta kala duwan oo qod qolkii barafka. Xilliga jiilaalka, lemming ee Siberian deggan caajiso.

Inta lagu guda jiro baraf barafku biyo ku shubi jiray dadka xoolaha, oo waxay u guurayso ee la diiriyay, ka dib markii taas oo dhibic ee degaanka xagaaga. Waxaa ku sarreeya yar qod Burrows fudud. Waxay sidoo kale qaban hoyga dabiiciga ah ee kala duwan. Dusha u xaaraya heshiis ay ugu sabab quudinta. Dumarka dadka waaweyn ee muddada baraf-free aad u wanaagsan ka muujiyay deegaan; dhallinta iyo dadka waaweyn labka warwareegaan iyada oo dhulka arrin aan kala sooc lahayn, joojinta hoy ku meel gaar ah oo kala duwan.

xoog

Waa in la ogaadaa in tirada xoolaha aad bay u kala duwan tahay, mararka qaarkood ay ficil ahaan wax aan macquul aheyn in ay xilliyo la kulmo (5 sano) xoolaha meel walba oo xammaysani, ma ka baqaysaa nin tahay, iyadoo halkii ay dagaal badan. Intii lagu guda jiray sannadahan, kordhay meelaha isku mid ah iyo tirada lemming cidhifka, oo tirada voles bangiga - kaynta.

mararka qaarkood lemming Siberian waqtigan dooxooyinka buurta iyo tuulooyinka daad, isku dayayaan in ay ku dabaalan guud talgaley wabiyo iyo dhinta weyn. Marka tiro badan oo ah deegaanada of jiirka ay ma degaan iyo si kasta oo kale oo uu noqon karaa mid dagaal badan. Marka socdaalka this u ekaan karaan dhaqdhaqaaqa abaabulan, in kastoo lemming kasta dhab naftaada u dhaqaaqin, iyo caqabado bannaanka ah oo keliya mararka qaar ay ku qasban yihiin inay isu yimaadaan.