Seal - wukuthi isilwane?

Namuhla singasho ngokuqiniseka ukuthi uma uphawu ngenxa eziningi izimo sina, wabulawa Yiqiniso yokuziphendukela kwemvelo njengeyiqiniso oluthile lwento ephilayo, ngaleso sikhathi uMhlaba kungaba ampofu kakhulu. Kungani? Sizama ukuphendula umbuzo kule athikili.

Ngemva kokuyifunda, uzothola ulwazi mayelana nalokho isilwane kophawu, yini inani layo, yini izici it has, kanjalonjalo.

ulwazi olujwayelekile

Common igama zasemanzini Ezilwane Ezincelisayo le mikhaya lwezimpawu (iCaspian, ringed futhi Baikalian) - uphawu.

seal Sea eRussia embula Murmansk ukuba iBering Strait emikhawulweni, kuhlanganise emanzini Franz Josef Land, Novaya Zemlya, Severnaya Zemlya, White Sea futhi Eziqhingini okusha laseSiberia. It uhlala ingxenye ezisogwini olwandle Okhotsk, kuhlanganise nabaningi amatheku yayo kanye emanzini angasogwini we Tatar Strait Sakhalin Gulf futhi East Sakhalin. Habitat uphawu ifinyelela Umkhawulo wama-esiqhingini Japanese of Hokkaido.

Kukhona futhi seal ezihlala ichibi ngamanzi ahlanzekile. Ngokwesibonelo, lo odumile Russian iChibi iBaikal lisuke emhlabeni wonke hhayi kuphela ngoba echibini ebaluleke kakhulu enhle eyaziwa. Emifuleni yakhona kuhlala isilwane eyingqayizivele, okuyinto kwenye indawo amadamu efanayo. Lolu hlamvu, kukhona sendawo futhi relict nezilwane ephakeme. Ibizwa ngokuthi iBaikal uphawu.

incazelo

Ngobani lwezimpawu? Lezi zilwane ezimangalisayo unomzimba fusiform, ngobumnene ekuzigingqeni sisekhanda lakhe.

Ukwanda kokuba afinyelele 165 cm nesisindo yabo-50 kuya ku-130 kg. esifubeni isilwane iqukethe semali fat ongama, kahle kugcina ukushisa ngamanzi abandayo futhi kusiza isilwane ukulinda isikhathi eside ukusweleka kokudla, kanye namanzi, ubambelele ebusweni ngesikhathi sokulala. Balala ngakho zwí ukuthi ngisho kwakuba nezikhathi lapho abatshuzi yabo ungavula ngaphandle kokuphazamisa ebuthongweni babo.

Namandla isilwane isikhumba ihlanganisa kanzima, aminyene futhi obufushane elingenamikhono. Phakathi kweminwe banabo indlebe kanye emaphikweni phambi anemisila izimpiko enamandla. Kuyinto sibonga phambi nemilenze lwezimpawu ukwenza ukuzwakalisa eqhweni, ukuphuma emva ekuzingeleni futhi uphumule emadwaleni noma phezu eqhweni, futhi sikwazi ukuphefumula umoya ohlanzekile.

Uphawu has a ikhono lokukwazi ukuhlala ngaphansi kwamanzi kuze kuphele imizuzu engu-40 njalo. Lokhu kungenxa yokuba khona esincane ukukhanya okuqukethwe i-oksijini yahlakazeka egazini. Ngenxa imilenze indluzelekazi isilwane aphinde abhukude abuyele ngempela ngaphansi kwamanzi ngokushesha, kodwa phezu kungokuhluke kunemibhalo eyayihunyushwe kabi futhi esiyinkinga.

Seals e iChibi iBaikal

Esikhathini esidlule, iBaikal uphawu isilwane kwangiphatha ohlonishwayo, ikakhulukazi phakathi bezizwe, oluthatha kakhulu ukuzingela ulwandle. Ngisho kwamanje, ezinye Orochi Ufakwa umlomo kophawu ezikhishwe garlic zasendle kanye nogwayi, ngoba ngabo uhlobo lomhlatshelo Tam, lapho uphawu olufanele kakhulu ngoba inkosi isici zasolwandle.

Ezinsukwini ubudala, iBaikal uphawu ukuzingela kwakubaluleke kakhulu kwezomnotho ukuze izimpilo zendawo, ukukhiqizwa lezi zilwane esokuba elinganiselwe. Uma kuqhathaniswa nezinye izinhlobo uphawu befuna isikhumba fur (kokubili abasha nabadala ngokufanayo) iyona engcono kunazo noboya izinto zokusetshenziswa, ngakho ziningi kunezinwele baziswa.

Habitat izimvu zamanzi

Ehlobo (June) ogwini iziqhingi Ushkaniye okubhekiswe ngenani elikhulu lezi zilwane - siqhingi bayizinkulungwane ethokomele yemvelo rookery zemvelo. Kwathi ngesikhathi sokushona kwelanga, izimvu zamanzi uqale ukunyakaza kwabo mass eziqhingini.

Phakathi yesithwathwa okunzima eSiberia echibini zilimaze ngokuphelele. Ngaphambi ukuqala abandayo sezulu uphawu usebenzisa amazinyo abo futhi ngezidladla ukuziqonda izimpiko abukhali umbe ukuphefumula izimbobo bona. Ngokuvamile ebusika phezu echibini eqandisiwe isikhathi esiningi izinsikazi ezimithi.

On ukukhiqizwa yezimboni

Seal - isilwane, equkethe esiningi amafutha langa, has izici ezibaluleke kwezokwelapha. Ukukhiqizwa commercial ezimpawu namuhla, efana emakhulwini amaningi eminyaka edlule, kokuphishekela imigomo efanayo.

I namanoni esilwane abantu abaningi is wayisebenzisa ekwelapheni izifo ezithize elihlobene ne hypothermia (ukuvuvukala, frostbite), futhi inyama yayo isetshenziselwa ukudla nge nokuntuleka vitamin C (efana ukhwekhwe).

Noma kunjalo, sezizathu esiyinhloko emikhulu ukukhiqizwa yezimboni - eyigugu kakhulu isilwane izikhumba. Izigqoko futhi izingubo kusuka noboya obuwugqinsi obukhulu ngendwangu, eliqinile athandwa kakhulu phakathi izakhamuzi North, futhi ezindaweni eningizimu ngaphezulu.

ukukhiqizwa kabusha

uphawu ichwane, ngokuvamile kubonakala maphakathi no-March. Ngemva kokuphela ebusika, insikazi inyonyoba aphume emanzini ku- leli qhwa ukuba azale izingane. Kodwa owesifazane wokuqala ukwakha den eqhweni abafundi yabo yesikhathi esizayo.

Ngeshwa, ngalesi sikhathi uphawu ringed ubhekene ziyingozi enkulu - babe izisulu ezilula abazingela ngokungemthetho amaningi abazingeli. Ngokuyinhloko lwezimpawu azalwe abe umntwana, kodwa kungase kube ezimbili noma ngaphezulu.

Ezizalwa zinesisindo esiphansi, ngokuvamile mayelana 4 amakhilogramu. Basuke ozalwa izikhumba amahle kakhulu ezimhlophe, babanike imfudumalo sifihle enokwethenjelwa kakhulu eqhweni.

Ngemva molting uphawu cub Uthola noboya silvery.

ubude bempilo

Ukukhula uphawu njengoba ubude nesisindo, kukhona isikhathi eside (kuze kufike eminyakeni engu-20). Ezinye izilwane afe 'nedorosshimi ", njengoba iminyaka yabo isilinganiso sabantu ilingana iminyaka 8-9 kuphela. Kukhona amacala ukuthi abanye lwezimpawu aphila iminyaka engaba ngu 40-60, kodwa zimbalwa kakhulu. Cishe ingxenye yabo bonke abantu - uphawu abasha mayelana iminyaka 5 ubudala. izilwane Okudala (iminyaka 6-16 ubudala) zakha ingxenye enkulu enye ingxenye lwezimpawu.

Seal - ngalesi silwane esingajwayelekile ngomqondo wokuthi yobudala bakhe, ososayensi baye bathola ukuhlonza by Amazinyo noma izimpiko, okuyinto ungabona izindandatho yonyaka, njengalezo ukuthi kufanele okugawula izingodo.

ukudla

Ngesisekelo zasolwandle nezimvu zamanzi ukudla - lezinhlanzi nezimbaza, akha aggregations ezinkulu ezingqimbeni eyayibaluleke yamanzi.

lengiwutsandzako iBaikal uphawu - iBaikal futhi goby izinhlanzi golomyanka. Kuwo lo nyaka, isilwane isebenzisa ezingaphezu kuka a ton of okuphakelayo isilwane. Ngezikhathi ezithile lungena ukudla ne-Cisco cishe 3% of ukudla kwawo kwansuku zonke.

amaqiniso ezithakazelisayo

1. Dlinnomordye futhi itheku seal ne izindlovu ulwandle ukwabelana olwenzeka endaweni efanayo - ulwandle.

2. Seal - kungcono diver enkulu, bakwazi ukufinyelela ayi-400 ukujula.

3. Ngokuvamile, lwezimpawu asiphili ngamanzi agobhozayo, kodwa echibini iBaikal eRussia isibe ikhaya real amanye amalungu omndeni. Kanjani labantu seal iChibi iBaikal? Kuze kube manje, ke kuseyimpicabadala. Ngokusho kwenye legend, kulezi zindawo kukhona ezinye isiteshi ongaziwa komhlaba yokuxhuma echibini ukuze ulwandle. Ososayensi baye bathola ukuthi abukho ubufakazi bokuthi leli qiniso. I kungenzeka endleleni iyona iBaikal uphawu phezu Angara futhi Yenisei. Kuyaphawuleka ukuthi lapha ngendlela efanayo futhi hit the omul izinhlanzi.