Indlela yokunquma iminyaka yezinhlanzi ngezikali: izici zamasongo wonyaka

Indlela yokunquma iminyaka yezinhlanzi ngezikali: izici zamasongo wonyaka

Lona umbuzo othakazelisayo kakhulu okhathaza abadobi abaningi. Nakuba, ngakolunye uhlangothi, lokhu akubalulekile ngokuphelele uma kungekho mingcele ekubambeni izinhlanzi. Ezinye zazo zinquma iminyaka elinganiselwe ngobukhulu bezinhlanzi. Kodwa ubukhulu nesisindo sezinhlanzi kungase kuncike ezicini eziningana, kuhlanganise nokutholakala kokudla kuleli chibi. Ngakho-ke, le ndlela inikeza imiphumela cishe kuphela, nakuba eyanelisa ngempela.

Kukhona enye indlela ongathola ngayo iminyaka enembe kakhudlwana yenhlanzi, efana nendlela iminyaka yesihlahla ekusikeni ibalwa ngayo ngokusebenzisa izindandatho zonyaka. Ungathola ngalokhu ngezikali, uma uhlola ngokucophelela, ngamathambo namagill. Ochwepheshe abahilelekile kulo mkhakha bazi cishe yonke into ngezinhlanzi: zineminyaka emingaki, ukuthi zikhule kangakanani, zizala kangaki, njll. Ngamanye amazwi, izikali zezinhlanzi zifana nekhadi lokubiza, noma ngokunembile, njengepasipoti.

Ukunquma iminyaka yezinhlanzi ngezikali

Indlela yokunquma iminyaka yezinhlanzi ngezikali: izici zamasongo wonyaka

Uma ubheka izikali nge-microscope, ungabona amasongo angavamile kuwo, afana kakhulu nalawo abonwa ekusikeni kwesihlahla. Indandatho ngayinye ingufakazi komunye unyaka owaphila. Ngezikali, kunengqondo ukunquma kokubili ubudala bezinhlanzi nobude bayo, okuyinto ekhule ngayo ngaphezu konyaka odlule.

Izimo ezifika kumitha elingu-1 ubude zinezikali ezinobubanzi obungafika kusentimitha elingu-1. Ibanga elisuka kwendandatho yonyaka (eyokuqala) ukuya engxenyeni emaphakathi yesilinganiso lingaba ngu-6 mm. Ngokusekelwe kulolu lwazi, kunganqunywa ukuthi inhlanzi ikhule ngo-60 cm ngonyaka.

Uma ubheka izikali ngaphansi kwe-microscope, ungabona esinye, kodwa isici esibaluleke kakhulu - lokhu kuyindawo engalingani. Ezikalini ungabona ama-ridges nama-depressions, okubizwa nangokuthi ama-sclerites. Phakathi nonyaka owodwa wokuphila, kuvela izingqimba ezi-2 ze-sclerites - ezinkulu nezincane. I-sclerite enkulu ibonisa isikhathi sokukhula okusebenzayo kwezinhlanzi, kanti encane ibonisa isikhathi sekwindla-ebusika esinolwazi.

Uma unquma ngokunembile inani lama-sclerites amabili, khona-ke ungakwazi ukucacisa iminyaka yezinhlanzi. Kodwa, nakulokhu, udinga ukuba namakhono athile.

Kodwa lokhu akuyona inkinga uma inhlanzi inamazenga amakhulu. Ngesikhathi esifanayo, kunezinhlobo zezinhlanzi ezinezikali ezincane futhi le ndlela ayifaneleki, ngoba akunakwenzeka ukubala ukuthi izinhlanzi ziphile isikhathi esingakanani. Okusho ukuthi, kungenzeka ukubala, kodwa lokhu kuzodinga imishini ekhethekile. Kulesi simo, i-skeleton ithathwa njengesisekelo sokubala iminyaka yezinhlanzi. Ngokusekelwe kulokhu, singaphetha ngokuthi akulula neze kumuntu ovamile ukubhekana nalo msebenzi, ngoba inqubo idinga amathuluzi akhethekile.

Zakha kanjani izindandatho zonyaka ezinhlanzini?

Indlela yokunquma iminyaka yezinhlanzi ngezikali: izici zamasongo wonyaka

Ukuze unqume kahle futhi ngokunembile iminyaka yezinhlanzi, kuyadingeka ukwazi i-physiology yokukhula kwamasongo wonyaka.

Uma ubhekisisa, ungabona ukuthi izindandatho zisakazwa ngezigaba eziningana: ngemuva kwezindandatho ezibanzi nezikhanyayo kukhona izindandatho ezincane nezimnyama. Indandatho ebanzi ikhombisa izikhathi lapho izinhlanzi zikhula futhi zathuthuka. Njengomthetho, intwasahlobo, ihlobo nekwindla. Indandatho emnyama yakha lapho izinhlanzi zisemanzini abandayo nokudla okuncane noma okuncane. Ngezinye izikhathi kunzima ukukhomba izindandatho ezimnyama ezinhlanzi, okubonisa izimo ezinzima zasebusika.

Amasongo anjalo akhiwa ngoba amathambo ezinhlanzi nezikali zawo anikezwe isici esinjengokubonakala kwezingqimba, kuye ngezimo zokuphila. Ngakolunye uhlangothi, ukulinganisa okufanayo noma ukuthuthukiswa kwamathambo kungenzeka kuphela uma izinhlanzi zisesimweni esihle, esingenzeki.

Unyaka ngamunye ophilayo wempilo yenhlanzi awubonakali esikalini noma emathanjeni ezinhlanzi. Ekuqaleni, isikali siqukethe ipuleti esobala. Ngemva konyaka, ipuleti yesibili yakha ngaphansi kwayo, edlula umkhawulo wokuqala. Bese kuba owesithathu, bese kuba owesine, njalo njalo. Uma inhlanzi ineminyaka engaba ngu-5 ubudala, izikali zayo ziqukethe amapuleti angu-5, enye ngemva komunye. Ukwakhiwa okunjalo kufana nekhekhe lesendlalelo, lapho ipuleti encane kunazo zonke, kodwa endala kunazo zonke iphezulu, futhi enkulu kunazo zonke, kodwa encane kunazo zonke, iphansi.

Ungabona kanjani izindandatho zonyaka ezinhlanzini

Indlela yokunquma iminyaka yezinhlanzi ngezikali: izici zamasongo wonyaka

Kuyinkinga kakhulu ukubala noma ukubona izindandatho zonyaka ezinhlanzini, ikakhulukazi ngeso lenyama. Ngakho-ke, udinga ukuba nengilazi yokukhulisa noma izibonakude uma konke kwenzeka echibini. Uma unquma ukubhekana nale nkinga ekhaya, kungcono ukuzihlomisa ngesibonakhulu. Ngaphambi kwenqubo ngokwayo, udinga:

  • Lungiselela izikali ukuze zihlolwe futhi, uma kunesidingo, zihlanza ngotshwala.
  • Ukuze uhlolwe, kungcono ukuthatha izikali ezinkulu kakhulu, ezitholakala ezinhlangothini.
  • Isikali akufanele sibe nokulimala komshini.

Ukuze uthole izibalo ezinembe kakhudlwana, kuyadingeka ukucabangela ubukhulu obuphelele nobuhlobene be-sclerites. Ngaphansi kwe-microscope, izindandatho zonyaka, ama-ridges kanye nezimbobo zizobonakala. Ngemva kwezindlela ezinjalo eziningana, kungenzeka ukunquma iminyaka yezinhlanzi ngokweqiniso nangokunemba okukhulu.

Ibalwa kanjani iminyaka yenhlanzi?

Indlela yokunquma iminyaka yezinhlanzi ngezikali: izici zamasongo wonyaka

Ukusebenzisa izikali namathambo, kungenzeka ukunquma ngokunemba okuthile ubudala bezinhlanzi noma ukukhula kwayo ngonyaka odlule. Lokhu kuzodinga isibonakhulu kanye namathuluzi athile. Ngokwesimo sezikali, kunengqondo ukunquma ukuthi kwenzekani ezinhlanzini ngesikhathi sokuzala, isibonelo. Kwezinye izinhlobo zezinhlanzi, uma izozalela, amazenga ayagqashuka. Ngalesi sici, ungakwazi ukunquma ukuthi zingaki izikhathi izinhlanzi sezivele zavela ekuphileni kwayo.

Indlela yokunquma iminyaka yenhlanzi?

Ukunqunywa kweminyaka yezinhlanzi zezinhlobo ezihlukahlukene

Indlela yokunquma iminyaka yezinhlanzi ngezikali: izici zamasongo wonyaka

Iminyaka yenhlanzi ihlale ilula ukunquma ukuthi inamazenga amancane kodwa amade. Ngakho-ke, kulula kakhulu ukunquma iminyaka ye-pike, i-taimen, i-grayling, i-herring nezinye izinhlobo eziningi zezinhlanzi.

Kunzima kakhulu ukunquma iminyaka ye-perch, burbot noma i-eel. Kulokhu, kuzodingeka uthathe amathambo ayisicaba njengesampula. Iminyaka yobudala yama-sturgeon inqunywa imisebe emikhulu yamaphiko angemuva. Ukuze wenze lokhu, thatha igobolondo elikhulu futhi ulinqume endaweni yalo ebanzi kakhulu. Khona-ke ukusika kuyapholishwa ukuze kubonakale obala, ngemva kwalokho kuzokwazi ukubona izindandatho zonyaka. Ngemva kwalokho, iminyaka ibalwa ngokwendlela eyamukelwa ngokuvamile, esetshenziswa esikalini. Le ndlela isetshenziselwa ukunquma iminyaka yezinye izinhlobo zezinhlanzi, njenge-catfish.

Ngaphezu kwalezi zindlela, kunenye indlela, esekelwe ekutadisheni amagill. Kumakhava egill, amamaki, afana nalawo asesikalini, asala ngemva konyaka ngamunye ophilayo. Ososayensi bathole ukuthi ngisho nezinhlanzi ezingenawo uhlaka lwamathambo zinezindandatho zazo zonyaka. Amasongo anjalo akhiwa emisebeni ewugqinsi yamafins e-pectoral.

Ukuze uthole ubuningi bohlobo oluthile lwezinhlanzi, kuyadingeka ukuqonda ukuthi uhlobo oluthile lwezinhlanzi lukhula kanjani. Kunezinhlobo ezizala sekwephuzile. Uma sithatha i-salmon ye-Amur, khona-ke iqala ukuzala lapho ineminyaka engu-20. Ngakho-ke, uma udlula ohlotsheni ngalunye, ungaqonda ukuthi uhlobo ngalunye lukhula ngokuzimela ngaphandle kolunye futhi uhlobo ngalunye luphila isikhathi esithile. isikhathi. Kubaluleke kakhulu ukuthi isayensi yazi ukuthi uhlobo oluthile lwezinhlanzi lungaphila isikhathi esingakanani ukuze kulawuleke ukugcwala kwezinhlobo ezithile zezinhlanzi. Ngokuqondene nama-anglers, kubo iminyaka ecishe ibe yiminyaka yezinhlanzi akusho lutho olubalulekile.

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