Zvisikwa(Avian):Chinese Egrets (Egretta eulophotata)
Journal:Avian Research
Abstract:
Kuziva zvinodiwa neshiri dzinotama kwakakosha pakugadzira zvirongwa zvekuchengetedza mhuka dziri panjodzi dzinotama. Ichi chidzidzo chine chinangwa chekuona nzira dzekutama, nzvimbo dzechando, kushandiswa kwekugara, uye kufa kwevakuru veChinese Egrets (Egretta eulophotata). Makumi matanhatu vakuru vechiChinese Egrets (31 vakadzi uye 29 varume) pachitsuwa chisina kugarwa chemahombekombe muDalian, China vakateverwa vachishandisa GPS satellite transmitters. Nzvimbo dzeGPS dzakarekodhwa panguva dze2h kubva munaChikumi 2019 kusvika Nyamavhuvhu 2020 dzakashandiswa kuongororwa. Huwandu hwe44 uye 17 vanhu vakuru vakatevedzwa vakapedza kutama kwavo kwematsutso nechirimo, zvichiteerana. Kuenzaniswa nekufamba kwematsutso, vanhu vakuru vakatevedzwa vanoratidza nzira dzakasiyana-siyana, nhamba yepamusoro yenzvimbo dzekumira, kukurumidza kufamba kunononoka, uye nguva yakareba yekufamba muchirimo. Migumisiro yakaratidza kuti shiri dzinotama dzakanga dzine maitiro akasiyana-siyana mukati memwaka miviri yekutama. Nguva yekufamba kwechirimo uye nguva yekumira kwevakadzi yaive yakareba zvakanyanya kupfuura yevarume. Hukama hwakanaka hwaivepo pakati pekusvika kwechirimo nemisi yekusimuka kwechirimo, pamwe nepakati pezuva rekusvika kwechirimo nenguva yekumira. Tsvakiridzo iyi yakaratidza kuti maegrets akakurumidza kusvika kunzvimbo dzekuberekesa akasiya nzvimbo dzechando munguva yechando uye aive nenguva pfupi yekumira. Shiri dzakura dzaifarira nzvimbo dzemvura dzepakati pemvura, masango, uye madziva emumvura panguva yekutama. Munguva yechando, vanhu vakuru vaifarira zvitsuwa zvemahombekombe, nzvimbo dzemvura dzepakati pemvura, uye madziva emumvura. Vakuru vechiChinese Egrets vakaratidza mwero wekurarama wakaderera kana uchienzaniswa nemamwe marudzi mazhinji eArdeid. Zvifananidzo zvakafa zvakawanikwa mumadziva emvura, zvichiratidza kuvhiringidzika kwevanhu sechikonzero chikuru chekufa kwemhando iyi isina njodzi. Mhedzisiro iyi yakaratidza kukosha kwekugadzirisa kusawirirana pakati peegrets nenzvimbo dzemvura dzakagadzirwa nevanhu uye kuchengetedza nzvimbo dzepakati pemvura uye zvitsuwa zvekunze munzvimbo dzemvura dzechisikigo kuburikidza nekudyidzana nedzimwe nyika. Mibairo yedu yakabatsira kusvika parizvino kusazivikanwa kwepagore kwekufamba kwepamhepo kwevakuru veChinese Egrets, nekudaro zvichipa hwaro hwakakosha hwekuchengetedza mhuka iri panjodzi.
ZVINYORWA ZVIRIPO PA:
https://doi.org/10.1016/j.avrs.2022.100055
