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Maonekedwe a kusamuka kwa masika, kugwiritsa ntchito malo okhala, ndi momwe malo oimikapo mbalame ziwiri za m'madzi zomwe zikuchepa nthawi yozizira ku China zawululidwa ndi satellite tracking.

mabuku

by Si, Y., Xu, Y., Xu, F., Li, X., Zhang, W., Wielstra, B., Wei, J., Liu, G., Luo, H., Takekawa, J. and Balachandran, S.

Maonekedwe a kusamuka kwa masika, kugwiritsa ntchito malo okhala, ndi momwe malo oimikapo mbalame ziwiri za m'madzi zomwe zikuchepa nthawi yozizira ku China zawululidwa ndi satellite tracking.

by Si, Y., Xu, Y., Xu, F., Li, X., Zhang, W., Wielstra, B., Wei, J., Liu, G., Luo, H., Takekawa, J. and Balachandran, S.

Magazini:Zachilengedwe ndi Chisinthiko, 8(12), pp.6280-6289.

Mitundu (ya mbalame):Goose Wamkulu Woyera (Anser albifrons), Goose wa Tundra Bean (Anser serrirostris)

Chidule:

Mbalame zam'madzi zosamukira ku East Asia zachepa kwambiri kuyambira m'ma 1950, makamaka anthu omwe amakhala m'nyengo yozizira ku China. Kusunga zachilengedwe kukulepheretsedwa kwambiri chifukwa cha kusowa kwa chidziwitso choyambirira chokhudza momwe mbalame zimasamukira komanso malo oimikapo. Kafukufukuyu akugwiritsa ntchito njira zotsatirira ma satellite ndi kusanthula kwapamwamba kwa malo kuti afufuze kusamuka kwa mbalame zazikulu zoyera kutsogolo (Anser albifrons) ndi mbalame za tundra bean (Anser serrirostris) m'nyengo yozizira m'mphepete mwa Mtsinje wa Yangtze. Kutengera njira 24 zomwe zidapezeka kuchokera kwa mbalame 21 nthawi ya masika a 2015 ndi 2016, tapeza kuti Northeast China Plain ndi malo oimikapo omwe amagwiritsidwa ntchito kwambiri panthawi yosamukira, ndipo atsekwe amakhala kwa mwezi woposa umodzi. Derali lakhalanso lotukuka kwambiri paulimi, zomwe zikusonyeza kuti pali chifukwa cha kuchepa kwa mbalame zam'madzi za ku East Asia zomwe zimakhala m'nyengo yozizira ku China. Kuteteza madzi omwe amagwiritsidwa ntchito ngati malo ogona, makamaka omwe ali ndi malo osungiramo zakudya zambiri, ndikofunikira kwambiri kuti mbalame zam'madzi zipulumuke. Malo opitilira 90% a pakati omwe amagwiritsidwa ntchito nthawi ya masika sakutetezedwa. Tikupangira kuti kafukufuku wamtsogolo wa nthaka uyenera kuyang'ana madera awa kuti atsimikizire kufunika kwawo kwa mbalame zam'madzi zosamukasamuka pamlingo wa anthu, ndipo malo ogona pakati pa malo ofunikira osungira masika ayenera kuphatikizidwa mu netiweki ya madera otetezedwa pamsewu wopita kunyanja. Kuphatikiza apo, mikangano yomwe ingakhalepo pakati pa mbalame ndi anthu m'malo oimikapo pakati iyenera kuphunziridwanso. Kafukufuku wathu akuwonetsa momwe kutsata ma satellite pamodzi ndi kusanthula kwa malo kungapereke chidziwitso chofunikira kwambiri kuti kusungitse mitundu yosamuka yomwe ikuchepa.

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