zvinyorwa_img

Kuderera kwehuwandu hwemahanzi emusango muChina 'vasungwa' venzvimbo dzavo dzechisikigo here?

zvinyorwa

naYu, H., Wang, X., Cao, L., Zhang, L., Jia, Q., Lee, H., Xu, Z., Liu, G., Xu, W., Hu, B. naFox, AD

Kuderera kwehuwandu hwemahanzi emusango muChina 'vasungwa' venzvimbo dzavo dzechisikigo here?

naYu, H., Wang, X., Cao, L., Zhang, L., Jia, Q., Lee, H., Xu, Z., Liu, G., Xu, W., Hu, B. naFox, AD

Chinyorwa:Biology Yazvino, 27(10), mapeji R376-R377.

Mhando dzeshiri (Avian):Swan hanzi (Anser cygnoides), Tundra bean goose (Anser serrirostris), Greater white-fronted hanzi (Anser albifrons), hanzi chena-mberi (Anser erythropus), greylag hanzi (Anser anser)

Pfupiso

Kunyange hanzi dzemusango dziri kugara munguva yechando muNorth America neEurope dzichibudirira zvakanyanya nekushandisa minda yekurima, dziri muChina (dzinoita sedziri munzvimbo dzine mvura dzechisikigo) dziri kuramba dzichiderera. Midziyo yeTelemetry yakabatanidzwa kune hanzi dzemusango 67 dziri kugara munguva yechando dzemarudzi mashanu akasiyana munzvimbo nhatu dzakakosha dzemvura muRwizi rweYangtze (YRF), China kuti vaone mashandisirwo enzvimbo dzekugara. Hanzi 50 dzemarudzi matatu dziri kuramba dzichiderera dzaigara kwenguva yakareba zuva rega rega munzvimbo dzine mvura dzechisikigo; vanhu 17 kubva kumarudzi maviri anoratidza mafambiro akagadzikana vakashandisa nzvimbo dzine mvura 83% uye 90% yenguva, zvikasadaro vachishandisa nzvimbo dzekurima. Mhedzisiro iyi inosimbisa zvidzidzo zvekare zvinobatanidza kudzikira kwehanzi dzemusango dzemuChina nekurasikirwa nenzvimbo dzechisikigo uye kuora kwenzvimbo kunokanganisa kuwanikwa kwechikafu. Mhedzisiro iyi inobatsirawo pakutsanangura mamiriro asina kunaka ekuchengetedzwa kwehanzi dzemuchando dzemuChina zvichienzaniswa nedzimwe mhando dzehanzi dziri kugara munguva yechando muKorea neJapan dziri pedyo, kumadokero kweEurope neNorth America, idzo dzinodya ivhu rekurima zvakanyanya, zvichidzisunungura kubva mukushomeka kwehuwandu hwemuchando.