Walrus Atlantic: cas, yees duab

Cim tsiaj - Atlantic walrus - nyob rau hauv lub ecological cheeb tsam ntawm lub Barents hiav txwv. Lossis loj tsiaj drift rau loj loj blocks ntawm cov dej khov nrog sab qaum teb ntug dej hiav txwv ntawm lub hnyav Atlantic. Lawv luxuriate, imposingly lounging nyob rau hauv stony braids framing lub hiav txwv dej.

Atlantic Giants nyob rau hauv lub Red Phau Ntawv

Cov pejxeem ntawm cov pinnipeds sai shrinking. Yog li ntawd, nyob rau hauv Russia yog coj nyob rau hauv cov kev tiv thaiv ntawm lub Atlantic walrus. Tus liab Phau Ntawv, qhov twg cov tsiaj tau sim kom tiv thaiv cov extinction ntawm ib tug tshwj xeeb subspecies. Loj walrus rookeries tshaj tawm hais tias reserves.

Cov pejxeem ntawm marine tsiaj muaj xws li disparate me ntsis hu ntawm ib pab. Lawv tus xov tooj tsis yeem sharply vim uncontrolled coj mus muag nuv ntses. Ntawm lub 25 000 tsiaj tshuav li 4,000 leej cov tsiaj.

Hauj lwm Atlantic walrus

Rau cov lus qhia txog cov Giants ntawm lub Arctic yog scarce. Walruses - tsiaj loj nrog daim tawv nqaij xim av-xim av xim. Nyhav 3-4 'meter' caug yog nyob ib ncig ntawm ob tonnes, thaum cov maum loj hlob mus rau ib tug ntev ntawm 2.6 meters, nws yog ze rau ib tug ton. Lossis loj tsiaj muaj ib tug me me lub taub hau nrog rau ib tug sab snout thiab me me ob lub qhov muag.

Lub sab sauv lub puab tsaig yog dai kom zoo nkauj nrog ob tug haib fangs txog li 35-50 centimeters. Tusks yooj yim chob cov dej khov. Lawv pab cov muag nthas rau tus tsiaj mus nce lub ice floes ntawm hiav txwv dej. Tusks - ib tug riam phom tiv thaiv rivals thiab kev tiv thaiv los ntawm cov yeeb ncuab. Walruses feem ntau chob lub fangs ntawm polar bears.

Mighty Atlantic walrus, lub yees duab uas yog tsis ib qho yooj yim ua, muaj lwm ci ntsa iab ntaus ntawv - straw-kob mustache. Lawv tsim cov pua pua ntawm cov zog cov plaub mos mos. Tuab cov plaub hau zoo ib yam li ib tug quill plaub, rhiab, tab sis yog cov ntiv tes. Ua tsaug rau lawv, walruses paub qhov txawv txawm qhov tsawg tshaj plaws cov khoom thiab yooj yim mus nrhiav kev pab tawm qwj, spudded nyob rau hauv lub hiav txwv hauv av.

Lawv ua txuj coj zoo heev unattractive Atlantic walrus. Xws li yog nws cov hauj lwm: rog, huv rau tus mob rocky puam lub cev, ntsws ntsws folds roj thiab sib sib zog nqus nti, emits ib tug pungent tsw phem; me me ob lub qhov muag, bloodshot, fester. neeg laus walrus lub cev uas tuaj nyob ntxhib cov plaub hau, thiab cov tub ntxhais envelops tuab pelage tsaus xim av.

Atlantic walrus rau daim av ua tau txawv txawv, nws muaj teeb meem taug kev, tig tag nrho plaub flippers. Thiab nyob rau hauv lub hiav txwv, nws pom tau tias zoo, yooj yim slipping mus rau hauv cov dej kem. Thaj, qhov no yog vim li cas nws yog ib tus mob rocky puam feem ntau yog lus dag, thiab nyob rau hauv lub marine dej ntawm nquag mus.

Shellfish thiab crustaceans - lub staple khoom noj khoom haus ntawm lub hwj chim tsiaj nyaum. Txawm hais tias cov ntaub ntawv hais tias nws yog zuj foob pups. Giant tsiaj pom tau tias tag nrho tom qab noj mov 35-50 kg ntawm zaub mov.

Mating lub caij thiab tu tub tu kiv

Lub neej luv ntawm lub Atlantic walrus - 45 xyoo. Nws hlob maj mam. Kev sib deev kom loj hlob nws los txog rau 6-10 xyoo. Walruses yog tsis tsuas muaj hnub, burp, snap, koom nrog cov sib ntaus, tab sis kuj tawv.

Muaj zog cov tsiaj heev cov suab paj nruas. Lawv musicality yog feem ntau kom meej meej manifested nyob rau hauv lub mating lub caij. Nyob rau hauv Lub ib hlis ntuj-Plaub Hlis Ntuj pinnipeds qhia hu nkauj. Pos yuav siv sij hawm qhov chaw ntawm lub Giants nyob rau hauv lub Tsib Hlis thiab Lub rau hli ntuj. Ib tug poj niam tim txiv hmab txiv ntoo rau 12 lub hlis.

Hluas nws tshwm sim ib zaug txhua txhua ob peb lub xyoo. Tom qab tus niam yuav tsum tau noj dev mus txog ob lub xyoos. Ib tug morzhata caug nyob nrog leej niam mus txog rau 5 xyoos. Tus poj niam yeej tsis yoojyim pab yaj (nyob rau hauv lub ntev mus dhia nws thiab tsim ib tug poj niam nrog cov Cubs).

yeej

Walruses nyob rau hauv lub tawm ice teb, cog Artemisia nyob rau hauv lub qhib dej hiav txwv. Rau lub neej lawv xaiv ib tug dej tob ntawm 20-30 meters. Rookery xav kom teem caij rau cov nab kuab thiab mob rocky coasts. Lawv txhua xyoo tsiv teb tsaws yog tshwm sim los ntawm lub zog ntawm dej khov. Lawv nce nyob rau hauv cov dej khov daws floe, floating li yog hais tias nyob rau hauv ib lub nkoj, mus rau qhov chaw ntawm npaj qhov chaw nyob, nyob qhov twg, muaj tau txais mus rau hauv lub teb chaws, nqa tawm.

Lub cheeb tsam ntawm muab faib rau

Cov pinnipeds muaj nyob nrog lub shores ntawm lub Barents thiab Kara Seas. Lawv tau raug xaiv los ntawm cov bay, pas dej thiab daim di ncauj, rugged ntug dej hiav txwv ntawm ntau yam islands nyob rau hauv lub cheeb tsam. Mis nyuj thiab nqaum rookeries subspecies tawg khiav ri niab rau Franz Josef av.

Lub sab qaum teb-sab hnub tuaj kawg Tshiab ntiaj teb - ib qho chaw uas obzhil Atlantic walrus thiab yeej ib txwm rov qab mus. Nyob rau hauv lub sab hnub tuaj thaj tsam ntawm lub Kara hiav txwv, nws tsis yog feem ntau raws li. Nws npaj nws abode nyob rau hauv lub dawb Hiav txwv, nyob rau hauv lub Kanin ceg av qab teb, lub Islands tuaj thiab Kolguev Vaigach.

Zoo li nws, thiab sab hnub tuaj ntug dej hiav txwv ntawm lub Canadian Arctic. Nyob rau hauv cov cheeb tsam no, lub abode rau nws los ua tus Gulf thiab cov Strait ntawm Hudson, Frobisher Cove thiab Fox, Baffin Island, Devon Island. Tsawg zaus, nws cov ntaub ntawv ib tug maturation ntawm lub Arctic islands, mus rau sab hnub poob ntawm lub Straits ntawm Barrow. Lawv populated Baffin Bay, Greenland sab hnub poob ntug dej hiav txwv dej ntawm tus Davis Strait.

Cov nyob sab Europe Atlantic tau muab lub pinnipeds daws ice ntawm Northern Iceland, daim di ncauj thiab lagoons vdavshiesya nyob rau hauv Svalbard. Norway los ntawm lub sab qaum teb coastline sheltered neeg.

limiting yog vim li cas

Cov pej xeem ntawm lub haib tsiaj nyaum tau tsis yeem sharply vim ntau zog nuv ntses. Tshwj xeeb tshaj yog ib qho nyuaj ntaus Atlantic walrus, nyob rau hauv lub Kara hiav txwv. Pinnipeds brutally exterminated nyob rau hauv lub XIX caug xyoo. Nyob rau hauv ib co thaj tsam, lawv pov tseg kiag li. Lub muaj zog pejxeem extirpation tau nyob rau hauv lub Canadian Arctic, Greenland, Svalbard.

Niaj hnub no, cov xov tooj ntawm cov tsiaj nyaum txwv sai saib xyuas vaj tse neeg. Tshwj xeeb yog tub qaug roj thiab cov nkev tuam txhab uas muag koom nyob rau hauv txoj kev loj hlob ntawm cov tshiab deposits. Lawv sorely plua plav paug ntuj yeej Atlantic giants, expelling lawv los ntawm lawv cov tsev territories. Subspecies tsawg tej zaum yog ib qhov nyuaj rau muaj ib tug confrontation tsis txaus nuv ntses siab thiab lwm cov tib neeg sib nrauj.

Walruses ntaus 10 hom ntawm helminths. Cov kab mob thiab ua rau txoj kev tuag ntawm pinnipeds zaum yog tsis meej. Ntuj cov yeeb ncuab pejxeem pom tias whales thiab polar bears.