Pisces Samara Yankin: photo da kuma bayanin

A kwanan nan da suka wuce ta tsakiya Volga da m ruwan shahara ga su kara haja. A tushe na kasuwanci hannun jari na kifi na Samara yankin lissafta ga sturgeon da kuma kifi jinsunan da aka kama a babbar yawa kuma mai daraja muhimmanci mafi girma fiye da na "fari" jinsunan: Pike, bream, perch da sauransu. A ake kira "ja" kifi ne wani muhimmin kayayyaki don fitarwa da kuma da aka nakalto a kasuwannin cikin gida. A cikin karni na 19th kasance shahara da herring (musamman goyon shad) wanda jambs isa spawn a wadannan wurare.

nau'in bambancin

Yau, a yankin na Middle Volga da kewaye ruwan ne fiye da 50 jinsin karkashin ruwa halittun da yin sama da hannun jari na Samara yankin na kifi. Sun kasance a 16 iyalai da kuma 10 umarni (wasu quite talauci wakilta: for sturgeon sturgeon aka samu kawai).

carps

Species bambancin ne yafi wakilci a cikin tawagar. Ga shi an samu fiye da 30 jinsin da kuma 20 danginsu. Pisces Samara Yankin: roach, bream, bream kuma blue bream, Chub da Yelets ides da chubs, cupids da kuma irin kifi, nase da sabrefish, irin kifi da kuma irin kifi - ne babban wakilan wannan kungiya.

Perciformes

Wannan detachment ba irin kifi a misali na bambancin yana da quite m. Ya aka wakilta 9 ga watan jinsunan: perch, Ruff, Berchet, perch, bullheads, pugolovkami, podkamenschikom, rotan.

Salmon, Clupeiformes, sauran

Pisces Samara yankin da kuma gabatar Salmoniformes. Akwai 5 jinsin: rafin da bakan gizo kifi, peled, whitebait (Yuro smelt), whitefish. Detachment Clupeiformes herring aka wakilta biyu jinsin: sprat da kuma samun goyon bayan shad. Detachment na da allura-dimbin yawa allura-gabatar kifi Caspian, somoobraznyh - talakawa catfish, gadiformes - burbot, bano - bano River, esociformes - talakawa Pike, sturgeon - sturgeon.

Rare da kuma namun dajin da kifi na Samara yankin. jerin

A sakamakon masana'antu da kasuwanci da ayyukan mutane a cikin karni na 19th fara sauka a hankali bacewar wasu jinsunan kifaye, a baya ya rayu a yalwace a wadannan yankunan. Ga wasu daga cikinsu:

• inconnu.
• Chub.
• kifi.
• bystranka Rasha.
• beluga.
• Dace.
• kifi.
• sturgeon.
• undermouth da Volga.
• sturgeon, kifi.
• herring-goyon baya shad.

Wasu jinsunan saboda ta muhalli haƙuri sun iya daidaita da wa data kasance yanzu muhalli da yanayi. Alal misali, sturgeon, wanda riƙe su spawning da kuma tsira a cikin sama bangarori na kududdufai. Ko da yake ta kasuwanci kama a yau aka haramta doka ta.

Me bace nau'in kifi

Characteristically, da sturgeon a Samara yankin har kwanan nan (19th karni, farkon 20th) ne na kasa hanya da dũkiya da Rasha. Kuma kasar yana daya daga cikin wurare na farko a duniya domin kamawa wadannan kifaye. A halin da ake ciki ya muhimmanci canza ci gaban da samar da wutar lantarki. A yi na dams da kuma tashoshin na na'ura shafi tsarin mulki na kogin da kuma hana free kwarara da kuma cikin spawning wasu nau'in.

Daga cikin sauran dalilai - da canji a cikin tsarin mulki na kududdufai (oxygen da kuma abinci), draining cikin ruwa yanayi na daban-daban tõzarta, gidaje da masana'antu. Har ila yau gurabata ruwa da kuma harkokin sufuri - ruwa da kuma ƙasa. A m overfishing (kama ya fi girma adadin daga gare fiye da iya haifa) ya inganta ta sauka a hankali bacewar.

Wasu jinsunan kifaye na Samara yankin: photo da kuma bayanin

• Pike - da sauri girma predatory kifi cinyewa juveniles da kuma manya da kananan size. An samu yawanci a cikin m yanki kusa da bakin gaci. Spawning fara farkon kuma yana na dogon lokaci (har zuwa kwanaki 30). Saboda wannan dalili, da haifuwa na Pike yana da wani musamman matsaloli da kuma lura a shekara, ko da yake wasu daga cikin halitta da kuma masana'antu dalilai har yanzu shafi halakar qwai da kuma toya.
• Kifi, ko kifi ruchevidnaya, kuma memba na Samara yankin na kifi (ga sama photo). Trout daga cikin tsari na kifi rayukansu a kananan koguna da kõguna. Ga wani matsakaici halin da m igiyoyin ruwan sanyi, da ƙanƙara ko yashi kasa. Wannan kifi an samu a cikin Samara yankin a arewa maso gabashin (Kamyshlinsky Klyavlinsky da kuma gundumomi). A cikin 'yan shekaru, halin da bacewar jinsunan kogin daruna.
• Pike - m kananan jinsunan samu a cikin ruwan Samara yankin. Babban dalilai hampering da ci gaban da ta haifuwa - iyaka yawan namiji kera, su m, kuma doka kama kifi a cikin lokaci kafin spawning.
• Smelt, smelt ko Turai. Wannan kifi yana da siffofi biyu: ƙanana da manyan. Domin bayyanar da halayyar adipose filafilin kifi, elongated jiki, matsakaici-sized Sikeli, wanda za a iya saukin shafe ta. Dorsal filafilin kifi mika baya kadan. kifi jiki ne translucent. Smelt iya zama 10 cm a tsawon, kuma smelt - 30.