Umnqweno wokutya womnenga oluhlaza
Umnenga oluhlaza unqwenela ukutya kakhulu. Ngexesha lokutya kwawo, umnenga omdala oluhlaza unokutya ukuya kutsho kwiitoni ezi-3.6 zekrill ngosuku. Imilomo yabo emikhulu inokubamba ukuya kuthi ga kwiitoni ezingama-90 zamanzi kunye nekrill, emva koko ulwimi lwabo olukhulu lutyhalela ngaphandle kwamanzi, lushiye kuphela ikrill encanyathiselwe kwibaleen, isakhiwo esifana nekama ngaphakathi emlonyeni wabo.
Ezi zidalwa zibalaseleyo zisebenzisa ikrill ukuya kuthi ga ngoku ngenxa yendlela yazo yexesha lonyaka lokutyisa. Bachitha ixesha eliya kutsho kwisiqingatha sexesha labo besondla kakhulu, ingakumbi kwimimandla yepolar etyebileyo ngekrill, ngeenyanga zasehlotyeni. Ngeli xesha, bakha amanqatha aza kubanika amandla ngexesha leenyanga zasebusika, xa befudukela kumanzi ashushu ukuze bavelise kwaye bazale.
Krill: umlinganiswa ophambili ekutyeni komnenga oluhlaza
Nangona krill kunjalo incinci ngobukhulu, umlinganiselo onokutyiwa yiminenga eluhlaza uyawenza. I-Krill, enobukhulu obususela kwi-1 ukuya kwi-5 yeesentimitha, ihlala kwinyakanyaka emikhulu edla ngokuqulatha izigidi zabantu. Oku kwenza kube lula kwiminenga eblue ukufumana izixa ezikhulu zekrill ngokuluma ngakunye.
- Iminenga eBlue ikakhulu itya iindidi ezimbini zekrill: iEuphausia superba kunye neThysanoessa inermis. Ezi crustaceans zincinci ziyinxalenye yekhonkco lokutya kwaselwandle, zisebenza njengokutya kweentlobo ezininzi, ukusuka kwiintlanzi ukuya kwiintaka zolwandle, kwaye ngokuqinisekileyo, isilwanyana esikhulu sasemanzini esanyisayo.
- Ukongeza kwi-krill, iminenga eluhlaza iyaziwa ukuba itya iicopepods, enye ikhrustacean encinci eyenza i-swarms.
Indlela yokutya: Umjinja othe nkqo
Indlela yokutya esetyenziswa yiminenga eluhlaza yi uhlaselo oluthe nkqo. Olu hlobo lokutyisa lubandakanya umnenga ukuntywila nzulu uze unyuke ngokukhawuleza phezulu, uginye inkitha enkulu yamanzi atyebileyo ngekrill kwangoko.
I-ramming ethe nkqo inokusebenza kakhulu ekubambeni ingxinano exineneyo yekrill. Ngoko ke iminenga eluhlaza isebenzisa le ndlela kuphela xa ingxinano yekrill iphezulu kakhulu, njengoko idla isixa esibalulekileyo samandla.
Ukutya kwamaxesha athile
Yinyaniso emangalisayo ukuba Ukutya komnenga oluhlaza kwenziwa ngamaxesha athile onyaka. Ngexesha leenyanga zasebusika, ukutya kwabo kuncipha kakhulu. Endaweni yokondla, zichitha ezi nyanga zizala kwaye zifudukela kumanzi ashushu.
Ngeli xesha lokunqongophala kokutya, iminenga eluhlaza iphila ngamafutha aqokelelene nawo kwiinyanga zasehlotyeni. La matye anqabileyo, agcinwe kumaleko ashinyeneyo alahlwa phantsi kwesikhumba, anika umnenga ukuchaphazeka namandla.
Impembelelo yokutshintsha kwemozulu kwimenyu ye-blue whale
Nangona kunjalo, utshintsho lwemozulu lusongela i-krill buffet yesigebenga esiluhlaza. Ukufudumala kolwandle kunokuguqula ukuhanjiswa kunye neepateni zobuninzi be-krill, ezinokuthi zona zibe nefuthe elibi kwiminenga eluhlaza.
Ukongeza kutshintsho lwemozulu, ukulotywa kwekrill ngokugqithisileyo kwimveliso yeoli yentlanzi kubangela ingozi eyongezelelweyo. Ukukhusela kunye nokulawula ngokuzinzileyo i-ecosystems yaselwandle kubalulekile ukugcina impilo yabantu be-blue whale, njengoko bethembele kakhulu kwi-krill ukuze baphile.
Ngaphandle kwamathandabuzo, ukutya kwe-blue whale ngumzekelo onomdla wendlela nezona zidalwa ezinkulu emhlabeni zixhomekeke kwizinto ezincinci kakhulu ukuze ziphile. Ekugqibeleni, iqaqambisa unxulumano lwazo zonke iintlobo zezinto eziphilayo kwi-ikhosistim yolwandle kunye nokubaluleka kokukhusela le nkqubo yendalo.