Sin perch inda zaune?

Auha (ko Sin perch) - hankula wakilin temperate perch (Percichthyidae) iyali, daya daga cikin 'yan wannan rayuwa a cikin sabo ruwa. Its sunan ne sau da yawa da aka ambata a cikin daban-daban epics.

description

Jiki perch yana da wani haske launi. Hasken rawaya sãshinansu da bãyayyakinsu silvery. Da wannan bango, da yawa daga duhu spots, kuma specks na daban-daban siffofi. A baya tsaye a greenish-m launi. Wannan roɗi-roɗi bayyanar saboda mazauninsu - Sin perch Auha fi son zama a cikin duwatsu da kuma na cikin ruwa ciyayi, a laɓe ga abincinsa. Dalili na rage cin abinci kunshi kananan kifi, wanda ya abruptly rushes daga wurin kwantonsu.

Kamar yadda da wani predator, babban makami na perch ne ya hakora. Suna cikin sahu a garesu. Anal filafilin kifi da kuma ventral sanye take da zangarniya. A tsawon fara tasawa iya zama har zuwa 70 cm, nauyi dabam daga 7 zuwa 10 kg.

Rarraba da mazauninsu

Kasashen waje Auha samu a cikin kõguna na Jamhuriyar Jama'ar Sin da Korea. A Rasha, na zaune yafi a cikin dukan yankin na Middle Amur, a cikin aikin gandu (Ussuri, Songhua River) da kuma Lake Khanka. Kadaitaccen gumãkan a Sakhalin. Akwai ya mafi yawa gani a arewa maso yammacin tekun na Sweet Lake. Cold dutsen kõguna da koguna na kasar Sin perch yayi kokarin kauce wa. Auha son tsabta dumi ruwa, don haka sau da yawa a cikin ruwan tsufana zo a cikin kananan floodplain tabkuna. Bayan spawning perch rarraba a layin Amur da kuma ambaliyar ruwa. All bazara ya fattens ka nauyi, cin maida. Kaka motsa rashin himma a cikin tashar na Amur. Da matasa da kuma manya ciyar akwai sanyi kakar, abu mai sedentary salon, da kuma rabin barci a kasa. Kuma gaba spring, dama bayan kankara kwarara sake zama mafi aiki.

Biology Auha

Balagarsa Sin perch sami zuwa shekaru biyar a zama, a wannan lokacin da kifi ya kai wani tsawon 30 zuwa 40 santimita.

Spawning Auha fada a cikin bazara a lõkacin da ruwa da zazzabi kai +20 ... +26 ⁰S. Kafin cewa wuya ciyarwa, jawabin, mai dãko sa'o'i da dama. Caviar jefa rabo da akai-akai. Kifi ne halin da kyau kwarai da takin gargajiya - mutum daya ne iya tsayar game da 160 dubu qwai a lokacin bazara kakar. Kowace daga cikinsu a nade a cikin wani mai drop. Kara ci gaba da qwai yana a cikin ruwa shafi ko a kan bãyan tẽkun, don haka aka kira pelagic. Wannan irin spawning qara chances na rayuwa daga cikin jinsunan. Bayan 'yan kwanaki da larvae fito daga qwai, kuma makonni biyu baya - da soya, wanda nan da nan ci gaba da hakar abinci. Sun kyawawan zarar ya fara farautar. Wadannan kananan (kasa da 5 mm), amma sosai mashaya jini haifar da ci da soya da sauran kifi, amma zai iya, wani lokaci ma su ci karami uwan. A daidai wannan perch girma mafi maida fara kara. Adult rage cin abinci kunshi yafi na ba-manufa kifi kamar gudgeon, vostobryushka, rudd, bitterling, sazanchik. A babban rabo na ta asusun da a kan kogin orca.

A lokacin farauta, Sin perch ba zato ba tsammani ya kama a kan ƙananan kifaye, na kama su a kan saman yankin na kunya, sa'an nan da sauri jan, ta amfani da tsokoki da kai, kuma karya a cikin rabin hadaya. Kudin shiga Auha abinci yana farawa daga wutsiya, domin amfani da kifi daga shugaban yana iya lalata predator, da kuma a wasu lokuta, kuma ya halaka. A cewar ta predatory manifestations na Sin perch Pike a wata hanya ba, baya kuma ko da m mata a cikin wannan.

ƙarfi

Sin perch, wanda aka bayyana a baya a wannan labarin, yana nufin mafi numerically kananan jinsunan zaune a Amur. A cikin shekaru goma, akwai m ya zama ruwan dare lokutta. Raguwa a adadin saboda m masana'antun kama a ƙasa da babban spawning filaye, wanda aka located a kasar Sin. Sauran dalilan da ya yi tare da mutuwa na larvae a lokacin miƙa mulki ga aiki ciyar. A wannan lokaci akwai wani isasshen adadin abinci. Su ne larvae na sauran kifin da ya bayyana daga baya. Mutane da yawa 'yan maruƙa mutu a lokacin farko hunturu. A lokacin m raguwar ruwa fall, ya zauna a cikin ambaliyar ruwa. A muhimmiyar rawa a rage yawan Sin perch taka leda da kuma gurbatawa.

matakan tsaro

Abin takaici, wannan adadin kifi a cikin tafkunan kowace shekara kawai rage-rage. Dalili shi ne ba bisa ka'ida ba kama kifi a cikin spawning filaye, wanda ya kai ga gaskiya cewa bass sun kawo a cikin Red littafin dangane da rage yawan irin wannan. Kama shi yayin da kama kifi tare da sanda - wanda ba safai ba ne.

Kare da Sin perch Auha (photo za a iya samu a cikin wannan labarin) a yankunan na gane halitta jihar reserves, wasu daga wanda aka quite sanannun, kamar Hankaysky da Bolonsky. Ne kuma mai yawa na kwangila tare da kasar Sin a kan kariya da kuma hanyoyin da za a kara yawan jama'a. Yana kawo sakamako mai kyau.

Masana sun yi imani da cewa a yau hadarin nau'i nau'i na Sin perch a kusa da Amur kogin ne gaba daya ba ya nan, da kuma bayar da su canja wurin wannan kifi a kan na biyar wuri a cikin Red Littãfi. Sun yi imani da yiwuwar wani cikakken maida kuma Tarurrukan na alƙaryu na ruwa tare kifi da taimakon kare muhalli, halittar reserves, aiki tare da kasar Sin abokan aiki, da kuma da yawa wasu daban-daban dalilai.

An sani cewa a 'yan shekarun nan, mutane da hannu a kiwon kifi, zama ba kawai girma wannan perch a cikin tafkunan, amma kuma fara zuwa sunã gudãna ruwan kananan alƙarya Wakilai, haka ne kara yanki na kifi mazauninsu. Zai yiwu saboda da sama, a 'yan shekarun nan a kan Amur riga Yã isa zama yawan kifin.

Fishing spots

A tsakiyar da kuma ƙananan kai na da Amur kyau perch kama Sin. Ina zaune da yawa da shi, don haka wannan shi ne yankin daga Blagoveshchensk zuwa Malmyzh. Ga shi ne mafi girma kiwo ƙasa a Rasha. Kuma idan kafin perch kama a cikin wadannan wurare, yafi networks na daban-daban kamfanonin da kamfanoni, a cikin 'yan shekaru Auha ƙara ya fara bayyana a cikin gumãkan na masunta sauki mai son, na nuna wani kadan karuwa a yawan jama'a da wannan kifi, amma ya zuwa yanzu kawai a yankin na Amur tasa.