Kukwera - nsomba, mosiyana ndi ena

View Nsombazi ali oposa nthumwi khumi. Komabe, mmodzi wa zodabwitsa kwambiri ndi nsomba minga. Ndipotu, ngati inu mukukhulupirira asayansi kafukufuku, moyo m'madzi adzaoneka chifukwa zina ogwirizana. Mwachitsanzo, mu dziwe jini ya kukwera pali kuda Nsombazi, beluga ndi stellate Nsombazi.

Choncho tiyeni tifufuze dziko zodabwitsa za chilengedwe ndi kulankhula za zimene zinsinsi zina kubisala nsomba minga. Ife tikudziwa chimene iye amawoneka ngati, miyoyo komwe ndi zimene amadya. Ndipo kuyesetsa kumvetsa chifukwa tsopano anali pafupi kutha.

Nsomba kukwera: kufotokoza

Akuluakulu angafikire mamita awiri m'litali. Koma ambiri a oimira mitundu ndi laling'ono kwambiri. thupi elongated, ndi amphamvu, spikes conical pamsana pake. Ndipotu, ndi chifukwa iwo nsomba uwu udzafika dzina lake.

Kukwera ndi ndinasintha osiyana ndi achibale awo yapafupi. Mwachitsanzo, mosiyana ndi anthu ena Nsombazi yakhala ndi tinyanga mphonje Ufumuyo mlomo wa mmunsi. Izi Mbali thupi la kukwera ndi analandira kuchokera kwa makolo awo, amene anali mizu ofanana ndi Nsombazi lapansi.

Koma mtundu, izo zimasiyanasiyana imvi kuwala kwa Kamaoneka. Koma mimba ya kuwala nsomba, zimakhala zoyera. Komanso, nyenyezi woboola pakati munga yokutidwa ndi mamba kuti mosavuta ankaona pamodzi thupi lonse.

m'dera

Kotero ali kunyumba kwa kukwera? Nsomba amamva mofanana bwino mu mchere ndi madzi abwino. Choncho, osiyanasiyana kwake kukupitirira makilomita ambiri, amazipanga kudabwa asayansi ambiri.

Motero, anthu a mitundu angapezeke mu Nyanja ya Caspian, Nyanja Aral, ndi Azov ndi Nyanja Black, ndi mabeseni cha mitsinje kuti ali pafupi ndi madzi amenewo. Makamaka lalikulu anthu kukwera padziko Urals, Kure ndi Sefidrud.

Kukwera - nsomba wopulumuka

Moyo njira ya nsomba umayamba madzi abwino. Choncho, mkubwela kwa masika akulu anayamba amasamukira kumtunda, kuti amange malo spawning. Apa iwo kuikira mazira, ndiyeno kubwereranso kunyanja.

Posachedwa mazira kuoneka mwachangu. Tikumbukenso kuti achinyamata si mofulumira kusiya madzi awo. Mu chaka, kenako okha adzapita madzi mchere, poyamba kusonkhanitsa mphamvu ndi moyo pa nyanja. minga ambiri adzakhala moyo wautali mu estuary, monga otsiriza malire kwa iwo si kophweka.

Pankhani kuzungulira moyo, kukwera - nsomba wopulumuka. Pafupifupi anthu a mitundu amakhala 20-22 zaka. Komabe, sayansi pali milandu kumene nsomba moyo mpaka zaka makumi atatu, kuti ndi chizindikiro chabwino kwa anthu a ufumu m'madzi.

makhalidwe nsomba

Ambiri amakhulupirira kukwera waulesi nsomba, koma zimenezi si zoona. Kunena zoona, chinthu ichi si mukufuna kupanga magulu chilichonse ndipo chifukwa cha wakonda kukhala ndi moyo wabata. Komabe, izi sizikutanthauza kuti kukwera ali chete ndi wowona. Mwachitsanzo, pa kusaka ndi umakaphatikizana amazipanga kudya, popanda wovulalayo zosatheka kuthawa.

Buku Red

Kukwera - nsomba, mayina a Red Book of Russia. Izo zinachitika kuti kumayambiriro kwa zaka za m'ma XX izo analoledwa nsomba, amene achepetsa anthu a mitundu. Choncho, ndi 1980, chiwerengero chake utachepa pafupifupi ndi 80%, amene mukusautsika asayansi ndi osunga. Choncho, lamulo wapadera unayambitsidwa mu 1983, malinga ndi zimene kukwera anali kutchulidwa Red Book. Mwatsoka, zonsezi alephera kukonza zinthu zikusinthira.

Ngakhale lero, nsomba kukwera ali pafupi kutha. Mlandu chakuti kukwera ukufika pamsinkhu wobereka yekha kwa zaka khumi ndi chimodzi wa moyo wake. Ndipo chifukwa cha ichi, anthu ambiri amafa mwamsanga kuposa nthawi kuti apange mwana woyamba.