Yuav kom kawm txog lub neej voj voog ntawm txhua hom, peb yuav tsum coj mus rau hauv tus account tias cov me nyuam loj hlob li cas, thiab thaum twg cov neeg laus hlob tuaj, thiab qhov twg thiab lawv noj dab tsi.
Kev yug me nyuam ntawm hiav txwv vaub kib yog intimately linked to the temperatures ntawm lawv ib puag ncig. Txij li thaum tus vaub kib nkag mus rau hauv hiav txwv thawj zaug, nws nyob hauv ib puag ncig nrog qhov kub thiab txias nyob hauv txhua qhov chaw, tab sis qhov twg tuaj yeem sib txawv nrog lub sijhawm, nrog qhov tob thiab nrog rau qhov chaw ntawm lub ntiaj teb uas nws pom. tus vauv. Kev nyob hauv Hiav Txwv Caribbean tsis zoo ib yam li nyob rau hauv North Pacific Dej hiav txwv.
Ntseeg, nws tsuas yog tus poj niam hiav txwv vaub kib xwb los txog ntawm ntug hiav txwv thiab tsuas yog thaum nws xav tau nteg qe. Copulation tshwm sim hauv dej hiav txwv. Tsis tas li ntawd, qhov kub thiab txias plays lub luag haujlwm tseem ceeb hauv cov txheej txheem zes thiab. Hiav txwv vaub kib, ua tsaug rau lawv qhov loj me, txawm tias yog cov tsiaj reptile, muaj peev xwm tswj lawv qhov kub thiab txias los ntawm cov ntshav ntws.
Sea turtle sex maturity
Hiav txwv vaub kib tau kwv yees kom ncav cuag kev sib deev nruab nrab ntawm 12 txog 50 xyoo Qhov ntau kom ncav cuag kev loj hlob yog dav heev vim muaj Qhov sib txawv ntawm hom, piv txwv li, hawksbill vaub kib tsis ncav cuag kev sib deev kom txog rau thaum lawv muaj 12 lossis 30 xyoo, thaum loggerhead vaub kib tsis muaj kev sib deev mus txog thaum lawv muaj 20 lossis 50 xyoo.
LUB CAIJ NTUJ NO YOG ZAUB ME, qhov loj uas lawv lub plhaub li, kom txog thaum lub carapace ua tsis ncav cuag qhov ntev ntawm 60 thiab 98 centimeters, kev loj hlob yuav tsis tshwm sim. Cov kev tshawb fawb tshawb fawb tau pom tias lub plhaub
mus txuas ntxiv mus ib zaug nws ncav cuag kev loj hlob tab sis, hauv qee hom, qhov kev loj hlob no nres.
Cov poj niam raug saib xyuas los ntawm ob lossis ntau tus txiv neej. Cov txiv neej muaj claws ntawm lawv cov flippers pem hauv ntej, qhov no pab tuav tus poj niam lub plhaub thaum mating. Lub fertilization ntawm ovum tshwm sim nyob rau hauv cov poj niam, xws li nyob rau hauv cov noog los yog cov tsiaj, thiab yeej ib txwm tshwm sim nyob rau hauv lub hiav txwv.
Sea turtle egg laying
Zoo li tag nrho lwm cov vaub kib, hiav txwv vaub kib nteg qe. Cov poj niam tuaj txog ntawm ntug hiav txwv dej ntawm lub hli ntawm caij nplooj ntoos hlav thiab lub caij ntuj sov, feem ntau thaum hmo ntuj, lawv khawb ib lub qhov nrog kev pab los ntawm lawv hind flippers, qhov tob ntawm lub lub qhov nws yuav nyob ntawm qhov loj ntawm nws cov fins thiab yuav tso , ces npog lawv nrog xuab zeb. Npog lub qe nrog xuab zeb ua tiav ntau lub luag haujlwm, tiv thaiv lawv los ntawm cov tsiaj nyeg, ua kom lawv qhov chaw huv si thiab tswj qhov kub thiab txias. Cov qe yog mos thiab muaj kev ntxhib los mos zoo ib yam li cov tawv nqaij mos thiab npog hauv cov hnoos qeev tuab.
vaub kib Zoo txhua ob lossis peb xyoos, lawv ib txwm rov qab mus rau lub puam uas lawv yug los, tab sis lawv kuj tuaj yeem pw ob peb zaug nyob rau hauv ib lub caij ntawm ntug hiav txwv dej lwm yam tshaj li qub.
Vim tus poj niam vaub kib nteg qe, nws yuav siv sij hawm Lub sij hawm incubation nyob ntawm ntau yam: hom, clutch loj, kub thiab av noo nyob rau hauv zes. The sex of hatchlings is determined after fertilization and appears depending on temperature Low temperatures give rise to males and high temperatures will produce females. Nyob rau hauv cov tsiaj los yog noog, yug los poj niam los yog txiv neej yog txiav txim thaum lub sij hawm fertilization ntawm lub zes qe menyuam, thiab nws yog txiv neej cov phev uas txiav txim nws.
Tau tawm lub qe, cov hatchlings siv lawv beak lov lub plhaub, thiab lawv tsis tuaj ncaj qha rau lub nto, lawv siv sijhawm li 3 mus rau 7 hnub kom lawv tawm ntawm lub zes, thiab feem ntau ua thaum hmo ntuj, yog li txo lawv qhov raug rau cov tsiaj nyeg. Yog li ntawd, lawv tawm lub zes thiab mus rau hauv ib pab me me mus rau hauv hiav txwv.
Thaum lawv ua rau dej, lawv ua luam dej rau 24 mus rau 48 teev qhov twg lawv tsis tshua muaj kev phom sij.
Thaum thawj xyoo ntawm lub neej nyuaj heev pom tus vaub kib. Qee qhov kev tshawb fawb tau pom tias lub xyoo ntawd, vaub kib follow nto dej hiav txwvthiab nkaum hauv cov algae ntab uas lawv tuaj yeem nrhiav zaub mov. Lwm cov kev tshawb fawb tau pom tias qee cov vaub kib nkaum hauv av tom qab 24-48 teev ua luam dej.
Migration of sea turtles
zoo li noog, hiav txwv vaub kib tsiv ntev hla dej hiav txwv, tab sis tsis yog txhua tus ua. Qee hom zes thiab noj hauv thaj chaw ze heev.
Migratory route of sea turtles
Qee cov neeg taug kev ntau tshaj 2,000 km hla dej hiav txwv Atlantic, los ntawm qhov chaw lawv zes mus rau qhov chaw uas lawv noj hauv Brazil. Lwm tus mus ntawm Gulf of Mexico mus rau thaj chaw Mississippi thiab tom qab ntawd mus rau Yukatan Peninsula. Olive Ridley hiav txwv vaub kib taug kev hauv pab pawg los ntawm sab hnub tuaj Pacific qhov chaw uas lawv pub rau Dej Hiav Txwv Indian kom yug me nyuam.
Vim li no, nyob ntawm hom, yuav muaj ib txoj kev tsiv teb tsaws chaw los yog lwm qhov, yam tsis hnov qab tias muaj cov pej xeem nyob hauv lub txhua hom uas tsis tsiv teb tsaws chaw.
Sea turtle feeding
Koj puas paub turtles noj dab tsi? Kev noj zaub mov ntawm cov vaub kib nyob ntawm lawv lub puab tsaig, lub qhov ncauj zoo dua thiab lub qhov ncauj zoo dua yuav tsum tau noj cov khoom noj, xws li jellyfish, cov qhov ncauj tiv taus ntau dua nrog cov duab serrated, lawv tuaj yeem noj cov tsiaj tawv tawv, xws li crustaceans. Hiav txwv vaub kib tuaj yeem ua tau carnivorous, herbivorous, or omnivorous
Pab hauv qab no peb piav qhia ntxiv txog kev noj zaub mov nyob ntawm hom vaub kib hiav txwv:
- Cov vaub kib ntsuab tsuas yog cov tsiaj txhu thaum lawv laus, tab sis thaum lawv yug los thiab cov hluas, lawv noj nqaij thiab me me, lawv hloov lawv cov zaub mov.
- Hawksbill hiav txwv vaub kib yog yoog rau noj ntawm coral reefs, lawv feem ntau noj hiav txwv sponges, cws thiab squid.
- Loggerhead and Kemp's ridley sea turtles feed on crabs, molluscs, cws, jellyfish thiab algae.
- Ntawm qhov tod tes, leatherbacks pub yuav luag tsuas yog ntawm jellyfish.
Thaum kawg, nyob rau hauv lub vaj, txhua hom vaub kib hauv hiav txwv tuaj yeem khaws cia ntawm kev noj zaub mov noj.
