Uphawu Common: inkangeleko, indawo yokuhlala, iintshaba zendalo

uphawu Common yenye abemi ezimbalwa iplanethi yethu, nto leyo bakhetha ingqele efudumeleyo. Enyanisweni, yiloo nto ukuba inokufumaneka kuphela kwimimandla ezigqunywe likhephu kude. Ngenxa yoko ixesha elide, izazinzulu bangakwazanga ukufunda ezi zilwanyana kakuhle. Ngoku kuphela ukuba inkqubela wenza inkqubela enkulu, Sivulile ke ubomi engummangaliso bume yendalo.

Nezirhwexu, okanye abaqhelekileyo, itywina: indawo yokuhlala

Yonke abameli olu hlobo lothando ku sezulu esibandayo. Ngenxa yoko, phantse zonke seal zifumaneka kwimimandla esentshona kunye nempuma yeli Arctic Ocean. Loo nto koluhlu kudlulela kuLwandle wethu, Botfortovo kunye Chukchi Seas. Ukongeza, ukuba inokufumaneka amanzi onxweme of Greenland kunye noLwandle Barents.

Ngokunxulumene Pacific kunye neelwandle Atlantic, apha unako nako ukufumana bale hlobo. Apha siphila nje kule mimandla kweli thanga ezingathanga ezininzi - ikhaya lokuzalwa amatywina ithathwa ukuba Arctic.

uphawu Species bembona

Ukuza kuthi ga ngoku, abemi amatywina izibuko unamalunga 500 lamawaka. Abantu. Zonke izilwanyana efana kakhulu omnye komnye, kodwa ngaxeshanye, izazinzulu ziye zachongwa iqela ohlobo olulodwa. Ubukhulu becala, kucalulo onjalo ezinxulumene ezihlala kuzo. Nangona kunjalo, kukho ezinye iiyantlukwano yangaphandle phakathi amathanga ezahlukeneyo.

Ngaloo ndlela, uphawu eqhelekileyo yohlulwe le iintlobo zeHPV zingonobangela zilandelayo:

• East Atlantic - yeyona ixhaphake kakhulu, uhlala ecaleni ugu Northern Europe kunye Western Asia.
• West Atlantic zenyathi - ohlala phantse kwinxalenye esempuma lonke nakuMntla Melika.
• amathanga Pacific ezi ezanyisayo bahlala osentshona North America.
• Ungava uphawu - ummeli eyodwa ezi zilwanyana uncamela ukuhlala ecaleni yamanzi kunokuba babeziindleko zaselwandle.
• Tywina siqithi - kuphila onge indawo, saa elwandle kufuphi nonxweme Asia.

ukubonakala

Yintoni esiyaziyo malunga iimpawu zangaphandle, nto leyo iba itywina eqhelekileyo? Amafoto yezilwanyana ezenziwe kuzo zonke iindawo Arctic, baye bavumela izazinzulu ekuhlalutyeni zonke iintlobo xa bebonke. Inyaniso ukwazi: phantse zonke zenyathi itywina jonga eziqhelekileyo ezifana izalamane zohlobo. Ezi ngaphandle nje ke mbelukazi Pacific ukuba njengabongamileyo kancinane yobukhulu bawo umzimba nabo.

Kodwa emva ingaphandle. Faka umbala amatywina inokwahluka ebomini babo. Noko ke, inkoliso umbala uboya yahluka phakathi ngwevu okanye ngqombela-mdaka. Ngelo xesha malunga emzimbeni wesilwanyana ngendlela umbhodamo saa amabala amnyama. Ngokukodwa, kungenxa kubo ngamanye amaxesha olu hlobo ubizwa ngokuba 'enemibala ".

Ngokuphathelele ubungakanani, itywina avareji eqhelekileyo kwi ikhula ukuya kwiimitha 1.8. Kulo mzekelo, ubunzima lwabo uyahluka 150-165 eekhilogram. Kufuneka kuqatshelwe ukuba amabhinqa akamelwanga basoloko inani zincinane kakhulu into eyindoda.

Imikhwa kunye yokuhlala

uphawu Common uncamela ukuhlala kunxweme onamatye ecaleni amanzi onxweme. Ngelo xesha uzama ukuphepha umhlaba evulekileyo, ukuze ukutsala ingqalelo abasemzini. Inyaniso ukwazi kukuba, ngokungafaniyo izihlobo zabo, uphawu eqhelekileyo a ukuthutha. Olu hlobo azo okubamba elide kwindawo enye alishiye kuphela xa kuyimfuneko.

Njengoko Umxhesho, izilwanyana kule nkalo ke amarhamncwa ngokwenene. Uzingela ikakhulu emanzini, ngenxa yokuba lo element - ikhaya labo. Njengoko ixhoba labo ukuba ukhethe intlanzi ubuncinane nimble: capelin, herring, cod nesafron, cod polar njalo njalo. Noko ke, xa kungekho inzuzo enjalo, amatywina kunandipha ezilula ezingenamqolo.

yokuzala kwezimvu

ubomi Malunga 5 ngonyaka ento eyindoda okokuqala ebonisa umdla kumntu wesini esahlukileyo. Ke iimazi zikhula ngokukhawuleza, kufuneka umsebenzi ngesondo iqala eneminyaka engama-3 ubudala. Sokukhulelwa ihlala iinyanga ezili-11. Kulo mzekelo, ukukhanya ezelwe ithole omnye kuphela, kuphela kwiimeko ezinqabileyo kakhulu, imazi ungenza isibini labantwana.

Kwi-avareji, iintini amaduna ubomi malunga 25-30 iminyaka, Kuyinto eqhelekileyo ukuba iintlobo zazo. "Manene" nethamsanqa ngakumbi, njengoko iminyaka yabo eliphezulu yahluka phakathi kweminyaka 35-40. Izazinzulu bangaqondi ngokupheleleyo uhlobo le meko, kodwa kubonisa ukuba ezinxulumene umsebenzi zangasese.

iintshaba Natural kwezimvu

Abantu abaninzi bakholelwa ukuba utshaba engundoqo itywina woluntu lebhere elimhlophe. Le ingeyonyani ngokupheleleyo. Nangona isibakala sokuba irhamncwa, Umbala uyakuthanda ngokwenene ukuzingela ezincancisayo ezityebileyo, ukususela akhu- ukufa kwakhe inxalenye encinane kuphela kwezi zilwanyana.

A ingozi kude okukhulu olubangelwa killer. La marhamncwa zaselwandle nakusekuqhwanyazeni kweliso nga ukubamba ukutya amawa okuthinjiweyo. Ukongeza, kuphela seals fastest ungafumana kude umnenga umbulali, yaye ngoko, kanye ngexesha ukubalekela elunxwemeni.