Ua hoʻohana maikaʻi ʻia nā mea hahai māmā i nā papahana ma waho

Ua hoʻohana pono ʻia nā trackers māmā maʻEulopa pkiʻekiʻe

I Nowemapa 2020, ua hoʻolako maikaʻi ka mea noiʻi koʻikoʻi ʻo Professor José A. Alves a me kāna hui mai ke Kulanui o Aveiro, Pokukala, i ʻehiku mau māka GPS/GSM māmā māmā (HQBG0804, 4.5 g, mea hana: Hunan Global Trust Technology Co., Ltd.) ma ka ʻeleʻele. - nā akua huelo, nā akua huelo bar a me nā plovers hina ma ka muliwai ʻo Tagus ma Pokukala.

ʻO ka papahana a Polofesa Alves i kēia manawa, ʻo ia ka loiloi i ka hopena o ke kūkulu ʻia ʻana o ke kahua mokulele ma ke kahawai ʻo Tagus, ma muli o ke ʻano o ka noho ʻana o ka poʻe au holo hoʻoilo ma kēia wahi. A hiki i Ianuali 2021, e hana mau ana nā mea hana a pau me 4-6 mau wahi i hōʻiliʻili ʻia i kēlā me kēia lā.