Phau ntawv Journal:Freshwater Biology, 64(6), pp.1183-1195.
Hom (Avian):Taum goose (Anser fabalis), Tsawg dawb-fronted goose (Anser erythropus)
Abstract:
Kev nrawm nrawm ntawm tib neeg kev hloov pauv ib puag ncig ua rau muaj kev sib tw tseem ceeb rau cov tsiaj qus. Lub peev xwm ntawm cov tsiaj qus kom hloov mus rau ib puag ncig kev hloov pauv muaj qhov cuam tshuam tseem ceeb rau lawv lub zog, kev muaj sia nyob, thiab kev yug me nyuam. Kev coj tus cwj pwm hloov tau yooj yim, kev hloov kho tam sim ntawm tus cwj pwm hauv kev teb rau ib puag ncig kev hloov pauv, tej zaum yuav yog qhov tseem ceeb tshwj xeeb rau kev tiv thaiv kev hloov pauv ntawm anthropogenic. Lub hom phiaj tseem ceeb ntawm txoj kev tshawb no yog txhawm rau txheeb xyuas cov lus teb ntawm ob lub caij ntuj no goose hom (taum goose Anser fabalis thiab tsawg dua dawb-fronted goose Anser erythropus) rau qhov chaw nyob tsis zoo ntawm cov pejxeem los ntawm kev kawm txog kev coj noj coj ua. Tsis tas li ntawd, peb tau sim seb tus cwj pwm zoo li cas tuaj yeem hloov pauv trophic niche. Peb qhia txog kev coj cwj pwm kev coj noj coj ua thiab suav nrog txhua hnub hauv tsev (HR) ntawm cov geese siv thoob ntiaj teb txoj haujlwm nrhiav cov ntaub ntawv. Peb suav cov qauv ellipse kom muaj nuj nqis niche dav siv δ13C thiab δ15N qhov tseem ceeb ntawm tus kheej geese. Peb txuas tus cwj pwm coj tus cwj pwm zoo nrog thaj chaw zoo siv ANCOVA (kev tshuaj xyuas ntawm cov qauv sib txawv). Peb kuj tau kuaj qhov sib txheeb ntawm cov qauv ellipse thiab HR siv ANCOVA qauv. Peb pom qhov sib txawv tseem ceeb ntawm cov geese foraging tus cwj pwm ntawm xyoo hauv lawv qhov chaw noj zaub mov txhua hnub, kev mus ncig thiab nrawm, thiab tig lub kaum sab xis. Tshwj xeeb, cov noog tau nce lawv qhov chaw noj zaub mov kom txaus siab rau lawv cov kev xav tau ntawm lub zog txhua hnub hauv kev teb rau cov chaw nyob tsis zoo. Lawv tau ya ntau dua thiab taug kev nrawm dua thiab ntev dua nyob rau txhua hnub. Rau qhov muaj kev phom sij tsawg dua cov goose dawb, tag nrho cov kev coj tus cwj pwm hloov pauv tau cuam tshuam nrog thaj chaw zoo. Rau cov taum goose, tsuas yog HR thiab lub kaum sab xis tig tau sib raug zoo nrog thaj chaw zoo. Cov noog, tshwj xeeb tshaj yog cov qe dawb-fronted goose, tej zaum yuav muaj ntau dua trophic txoj hauj lwm nyob rau hauv tej yam kev mob tsis zoo. Peb qhov kev tshawb pom qhia tau hais tias lub caij ntuj no geese tau pom muaj qib siab ntawm kev coj tus cwj pwm plasticity. Txawm li cas los xij, kev coj noj coj ua ntau dua nyob rau hauv qhov chaw nyob tsis zoo tsis ua rau muaj qhov dav trophic niche. Kev muaj nyob hauv Habitat tuaj yeem ua lub luag haujlwm rau cov lus teb sib txawv ntawm kev ua haujlwm HR thiab isotopic niche rau tib neeg kev hloov ib puag ncig. Yog li ntawd, kev tswj hwm kev tswj hwm ntuj dej hauv lub sijhawm tseem ceeb (piv txwv li lub Cuaj Hli-Kaum Ib Hlis) kom ntseeg tau tias cov khoom noj khoom haus zoo muaj nyob rau hauv lub hauv paus rau yav tom ntej ntawm cov pejxeem ntawm geese nyob rau hauv East Asian-Australasian Flyway.
PUBLICATION muaj nyob ntawm:
https://doi.org/10.1111/fwb.13294
