Boholo ba tsona boa bohlokoa: matata a mariha a lula nako e telele 'me a sebelisa libaka tse fokolang matšeng a maholo a Chaena.

Koranta:Patlisiso ea Linonyana, 10(1), maq. 1-8.

Mefuta (Linonyana):Wigeon ea Eurasia (Mareca penelope), Letata le Falcated (Mareca falcata), Pintail ea Leboea (Anas acuta)

Kakaretso:

Bopaki bo bontša hore linonyana tsa metsing tse jang mariha li se li ikentse haholo matšeng a mabeli a maholohali a Noka ea Yangtze, East Dong Ting Lake (Profense ea Hunan, 29°20′N, 113°E) le Letša la Poyang (Profense ea Jiangxi, 29°N, 116°20′E), ha li bapisoa le matša a mang, ho sa tsotellehe ho thehoa ha libaka tsa polokelo libakeng tse ling. Leha kamano ena e ka 'na ea bakoa ke boholo ba libaka tse sa tšoenyeheng matšeng a maholo, ha re utloisise hakaalo ka bakhanni ba amang boitšoaro ba motho ka mong ka mor'a tšekamelo ena. Re ile ra latela metsamao ea mariha ea mefuta e meraro ea matata (Eurasian Wigeon Mareca penelope, Falcated Duck M. falcata le Northern Pintail Anas acuta) re sebelisa li-transmitter tsa GPS, re hlahloba liphapang lipakeng tsa matša a mabeli a maholohali le matša a mang a manyenyane ts'ebelisong ea libaka tsa matata, nako ea ho lula letšeng ka leng le sebaka sa letsatsi le letsatsi se tsamaisoang ke linonyana tse tšoailoeng ha li le libakeng tsena. Li-Eurasian Wigeon le Falcated Duck li ile tsa lula nako e telele ka makhetlo a mahlano 'me hoo e ka bang li sebelisitse mefuta ea libaka tsa tlhaho matšeng a mabeli a maholo (91‒95% ea libaka) ha li bapisoa le bolelele ba nako ea ho lula matšeng a manyenyane, moo li qetileng matsatsi a 28‒33 ka karolelano (ntle le sebaka seo li tšoasitsoeng ho sona) 'me tsa sebelisa libaka tse ling tse ngata tse fapaneng tsa bolulo (ho kenyeletsoa hoo e ka bang 50% ka ntle ho matša). Phuputso ea rona ke ea pele ho bontša hore nako e khutšoanyane ea ho lula le tšebeliso e fapaneng ea libaka tsa bolulo ke matata matšeng a manyenyane e ka kenya letsoho ho hlaloseng palo e bonahalang ea libaka tse teng ea mefuta ena le e meng matšeng a maholo lilemong tsa morao tjena. Sena se bapisoa le bongata ba tsona bo fokotsehang matšeng a manyenyane, moo tahlehelo ea libaka le ho senyeha ha tsona ho bonahetseng ho feta matšeng a maholo.