Lub Lightweight trackers tau ua tiav cov haujlwm nyob txawv teb chaws

Lub teeb hnyav trackers tau ua tiav hauvEuropean proj

Thaum lub Kaum Ib Hlis 2020, tus kws tshawb fawb laus xibfwb José A. Alves thiab nws pab neeg los ntawm University of Aveiro, Portugal, tau ua tiav xya lub teeb yuag GPS / GSM trackers (HQBG0804, 4.5 g, chaw tsim tshuaj paus: Hunan Global Trust Technology Co., Ltd.) ntawm dub -tailed godwits, bar-tailed godwit thiab grey plovers ntawm Tagus estuary hauv Portugal.

Xibfwb Alves txoj haujlwm tam sim no yog txhawm rau txheeb xyuas qhov muaj feem cuam tshuam ntawm kev tsim lub tshav dav hlau hauv Tagus estuary, raws li tus qauv ntawm cov chaw nyob ntawm lub caij ntuj no waders hauv cheeb tsam no. Txog rau Lub Ib Hlis 2021, txhua yam khoom siv ua haujlwm ruaj khov nrog 4-6 qhov chaw khaws cia ib hnub.