Nau'in Halitta (Dabbobi):Milu(Elaphurus davidianus)
Mujalla:Muhalli da Kare Muhalli na Duniya
Takaitaccen Bayani:
Binciken amfani da dabbobin da aka sake dasawa a cikin gida yana da mahimmanci don kula da sake dasawa cikin sani. An sake dawo da mutane 16 na Milu (5♂11♀) daga Yankin Nature na Jiangsu Dafeng Milu zuwa Yankin Nature na Tafkin Hunan East Dongting a ranar 28 ga Fabrairu, 2016, daga cikinsu mutane 11 na Milu (1♂10♀) suna sanye da abin wuya na GPS na sa ido kan tauraron dan adam. Daga baya, tare da taimakon fasahar abin wuya na GPS, tare da lura da bin diddigin ƙasa, mun bi diddigin Milu da aka sake dasawa na tsawon shekara guda daga Maris 2016 zuwa Fabrairu 2017. Mun yi amfani da Tsarin Motsi na Gadar Brownian mai ƙarfi don kimanta kewayon gida na Milu 10 da aka sake dasawa (1♂9♀, an cire mace 1 saboda abin wuyansa ya faɗi) da kuma yanayin gida na Milu 5 na mata da aka sake dasawa (duk an bi diddigin su har zuwa shekara guda). Matakin kashi 95% yana wakiltar kewayon gida, kuma matakin kashi 50% yana wakiltar ainihin yankunan. An yi amfani da bambancin lokaci a cikin ma'aunin bambancin shuke-shuke na yau da kullun don auna canje-canje a cikin wadatar abinci. Mun kuma ƙididdige amfani da albarkatu na Milu da aka sake juyawa ta hanyar ƙididdige rabon zaɓi na duk mazaunin da ke cikin ainihin yankunansu. Sakamakon ya nuna cewa: (1) an tattara jimillar gyare-gyare 52,960 na daidaitawa; (2) a farkon matakin sake juyawa, matsakaicin girman gidan Milu da aka sake juyawa shine 17.62 ± 3.79 km2kuma matsakaicin girman yankunan tsakiya shine 0.77 ± 0.10 km2; (3) matsakaicin girman gidan barewa na kowace shekara shine 26.08 ± 5.21 km2kuma matsakaicin girman yankunan tsakiya na shekara-shekara shine 1.01 ± 0.14 km2a farkon matakin sake fasalin ƙasa; (4) a farkon matakin sake fasalin ƙasa, yankin gida da yankunan tsakiya na Milu da aka sake fasalin ƙasa sun shafi yanayi sosai, kuma bambancin da ke tsakanin lokacin rani da hunturu ya kasance mai mahimmanci (tsakanin gida: p = 0.003; yankunan tsakiya: p = 0.008); (5) yankin gida da yankunan tsakiya na barewa mace da aka sake fasalin ƙasa a yankin tafkin Dongting a cikin yanayi daban-daban sun nuna mummunan alaƙa da NDVI (tsakanin gida: p = 0.000; yankunan tsakiya: p = 0.003); (6) Yawancin Milu mata da aka sake fasalin ƙasa sun nuna babban fifiko ga filayen noma a duk yanayi banda hunturu, lokacin da suka mai da hankali kan amfani da tafki da bakin teku. Yankin gida na Milu da aka sake fasalin ƙasa a yankin tafkin Dongting a farkon matakin sake fasalin ƙasa ya fuskanci canje-canje na yanayi sosai. Bincikenmu ya nuna bambance-bambancen yanayi a cikin kewayon gidaje na Milu da aka sake fasalin ƙasa da dabarun amfani da albarkatu na kowane Milu dangane da canje-canjen yanayi. A ƙarshe, mun gabatar da shawarwarin gudanarwa masu zuwa: (1) don kafa tsibiran mazaunin; (2) aiwatar da haɗin gwiwar al'umma; (3) don rage tashe-tashen hankulan mutane; (4) don ƙarfafa sa ido kan yawan jama'a don tsara tsare-tsaren kiyaye nau'ikan halittu.
BUGA AKWAI A:
https://doi.org/10.1016/j.gecco.2022.e02057
