News kuma Society, Yanayi
Ruwa tare kifi - jinsunan, halaye, mazauninsu
Ruwayen duniya tamu ne sanaki game da 20 000 jinsuna daban na kifi. Aƙalla daya goma daga cikinsu yana nufin kamun kifi. Bugu da kari ga abinci, abincin kifi samar mana da magunguna, masana'antu albarkatun kasa, fasaha fats, takin, Pet abinci. Commercial kifi ya kasu kashi ruwa tare, anadromous da marine.
Ruwa tare kifi, wanda raba a duniya kama shi ne game da 11%, na zaune a cikin koguna, Lakes da tafkunan. Mafi Girma kasuwanci darajar catfish, irin kifi da kuma perch kifi.
Mai manyan kifaye rayuwa a cikin koguna - wannan Amur Kaluga (wakilin sturgeon iyali), wanda nauyi iya isa 1000 kg kuma a tsawon 5 m, Sin psefurus (tsawon 7 m), Turai catfish cewa tsiro zuwa 5 m, a tsawon kuma fiye da 300 kg ta Kudu American arapaima (200 kg, mafi girma daga 4.5 m, a tsawon). Amma cikin Refayawa ne rare. Mai ruwa tare kifi samu a gida ruwa, yana da talakawan size.
Ruwa tare kifi kasuwanci dalilai da aka partially diluted a musamman wucin gadi tafkunan - misali, kifi, irin kifi, tilapia, irin kifi, irin kifi. Na zaune a cikin koguna da tabkuna ne mafi muhimmanci ga kama Pike, catfish, irin kifi, crucian irin kifi, bream, perch da roach.
A halitta ruwa, ruwa tare kifi zaune yafi kashe bakin tekun, inda da yawa daga abinci da kuma dadi wuri zuwa spawn. A lokacin rani a cikin m ruwan yaushe za ka iya ganin Shoals na soya. A kusa da zone live kifi ba ma wuya ga ruwa quality, watau. E. Its m da oxygen abun ciki. Wannan Pike, irin kifi, tench, roach. A kadan m live perch, bream, IDE. Catfish, Pike da kuma kifi zabi mafi m da kuma wuri mai tsabta.
Wadannan iri ruwa tare kifi, kamar kifi, loach, spined loach da ake samu a qarqashinsu. The kananan tabkuna da ake samu, yafi Pike, roach, bano da ruffe. Manyan tabkuna a cikin yawan jinsunan ba na baya zuwa marine ruwaye. Yawan jinsunan kifaye akwai fiye da 'yan dozin.
A oxygen abun ciki a cikin ruwa - mafi muhimmanci factor influencing da bambancin da abun da ke ciki na da mazaunanta. A talauci oxygenated ruwan da ake samu, kawai mafi unpretentious kifi, kamar yadda a cikin rani zafi da kuma tsananin sanyi, da yawa na da nau'in suna mutuwa daga shaƙa. Layin irin kifi da kuma iya zama a oxygen-matalauta kananan tafkunan cewa daskare a cikin hunturu ta. WC goge jure oxygen yunwa amma bukatar tsabta Gudun ruwa.
A mafi wuya na high oxygen abun ciki ne kifi, walleye, sturgeon.
Ruwa tare kifi ne ma m zuwa da zazzabi hawa da sauka. Wasu daga cikin jinsunan da ikon zama a zazzabi kasa a wasu. Saboda haka, domin cyprinids wannan adadi ne + 10 ° C. Akwai kifi ba tare da shan wahala high yanayin zafi (whitefish, burbot, char). A zafi weather suka boye a karkashin duwatsu da kuma fita kawai da farko na sanyi weather. Sauran kifi zai iya da kyau zama a ruwan sanyi da kuma tsira ko a cikin misãlin ruwa sosai. A cikin sanyi hunturu a wasu iri kifi iya shiga cikin anabiotic jihar.
Ruwa tare kifi, a Bugu da kari, ji na ƙwarai zuwa ga hasken rana. A nan, kuma, akwai magoya lit da ruwa mai duhu. Lamprey fi son duhu, da kuma roaches, misali, zuwa da rana, da kyau-lit yankunan. Salmon fingerlings na haske suna tattara a cikin duwatsu.
Dandana anglers iya sanin abin da irin kifi an kaisu a cikin ruwa zurfin, ba kawai a cikin bayyanar, amma ko da da halayyar karuwa, kamar yadda kowane daga cikinsu ne motsi a cikin nasu hanyar.
Fishing a cikin kasar - da kasa fi so nau'i na hutu, wanda ya hada da abubuwa na gasa, wasanni giya da cãca, hira, adrenaline, sabo iska da kuma m gefen abubuwa a matsayin halattaciyar kama. A zamanin yau, akwai wata al'adar kiwon kifi a cikin tafkunan musamman tare da m sayar da lasisi ga ziyarta da kuma kamawa kifi a gare su.
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