Autumn Migration Route and Stopover Sites of Black-Necked Crane (Grus nigricollis) Breeding in Yanchiwan Nature Reserve, Suav.

Phau ntawv Journal:Dej Hiav Txwv, 43(1), pp.94-100.

Hom (Avian):Dub-caj dab crane (Grus nigricollis)

Abstract:

Txij Lub Xya Hli mus txog Lub Kaum Ib Hlis 2018, 10 Dub-caj Dab Crane (Grus nigricollis) cov menyuam yaus tau taug qab siv GPS-GSM satellite transmitters los kawm txog lawv txoj kev tsiv teb tsaws chaw thiab chaw nres tsheb hauv Yanchiwan Nature Reserve, Gansu Province, Suav. Thaum kawg ntawm lub caij nplooj zeeg tsiv teb tsaws thaum lub Kaum Ib Hlis 2018, ntau tshaj 25,000 qhov chaw GPS tau txais thaum taug qab. Txoj kev tsiv teb tsaws chaw, kev tsiv teb tsaws chaw thiab chaw nres tsheb tau txiav txim siab, thiab qhov chaw nres tsheb hauv tsev tau kwv yees rau txhua tus neeg. Cov tib neeg tau tsiv tawm ntawm Yanchiwan thaum 2-25 Lub Kaum Hli 2018 thiab tsiv los ntawm Da Qaidam, Golmud City, Qumarleb County, Zadoi County, Zhidoi County, thiab Nagqu City. Thaum nruab nrab Lub Kaum Ib Hlis 2018, cov noog tuaj txog hauv Linzhou County, Tibet, Tuam Tshoj rau lub caij ntuj no. Txoj kev tsiv teb tsaws chaw ntawm txhua tus tib neeg yog tib yam, thiab qhov nruab nrab ntawm kev tsiv teb tsaws yog 1,500 ± 120 km. Da Qaidam Salt Lake yog qhov chaw nres tsheb tseem ceeb, nrog qhov nruab nrab nres ncua sij hawm ntawm 27.11 ± 8.43 d, thiab qhov nruab nrab nres nres ntawm Black-cranes ntawm Da Qaidam yog 27.4 ± 6.92 km2. Los ntawm kev saib xyuas thaj chaw thiab satellite maps, cov chaw nyob tseem ceeb tau txiav txim siab yog cov nyom thiab cov av ntub dej.