Ọdịiche dị n'oge nke ụlọ Milu n'oge mweghachi azụ na mpaghara Dongting Lake, China.

Ụdị (Anụmanụ):Milu (Elaphurus davidianus)

Akwụkwọ akụkọ:Global Ecology na Nchekwa

Nkọwa:

Ọmụmụ ihe gbasara iji anụmanụ emegharịgharị n'ụlọ dị mkpa maka njikwa mmalite mmalite. Ndị okenye iri na isii Milu (5♂11♀) eweghachitere site na Jiangsu Dafeng Milu National Nature Reserve na Hunan East Dongting Lake National Nature Reserve na February 28, 2016, n'ime nke mmadụ 11 Milu (1♂10♀) nọ na nsochi satịlaịtị GPS. olu akwa . E mesịa, site n'enyemaka nke nkà na ụzụ olu olu GPS, jikọtara ya na nleba anya nleba anya n'ala, anyị na-esochi Milu eweghachiri maka otu afọ site na March 2016 ruo February 2017. Anyị na-eji Brownian Bridge Movement Model na-agbanwe agbanwe na-eme atụmatụ n'otu ebe obibi nke 10. rewilded Milu (1♂ ♀, 1 nwanyị ewepụla n'ihi na olu akwa ya dara) na oge ụlọ nke 5 rewild nwanyị Milu (a na-enyocha ha niile ruo otu afọ). Ọkwa 95% nọchiri anya oke ụlọ, yana ọkwa 50% nọchiri anya mpaghara isi. A na-eji mgbanwe nwa oge dị na ndeksi ahịhịa dị iche iche emezigharị iji chọpụta mgbanwe na nnweta nri. Anyị kọwakwara iji akụrụngwa Milu rewilded mee ihe site n'ịgbakọ oke nhọrọ maka ebe obibi niile dị n'ime isi mpaghara ha. Nsonaazụ gosiri na: (1) a nakọtara ngụkọta nke nhazi nhazi 52,960; (2) n'oge mmalite nke nlọghachi azụ, nkezi nha ụlọ nke Milu rewild bụ 17.62 ± 3.79 km.²na nkezi isi mpaghara nha bụ 0.77 ± 0.10 km²; (3) nkezi ụlọ kwa afọ nke mgbada nwanyị bụ 26.08 ± 5.21 km²na nkezi mpaghara isi kwa afọ bụ 1.01 ± 0.14 km²n'oge mmalite nke rewilding; (4) n'oge mmalite nke nlọghachi azụ, ebe obibi na ebe ndị bụ isi nke Milu rewild na-emetụta nke ọma site na oge, na ọdịiche dị n'etiti okpomọkụ na oyi dị ịrịba ama (n'ebe obibi: p = 0.003; isi mpaghara: p = 0.008) ; (5) ebe obibi na ebe ndị bụ isi nke mgbada ụmụ nwanyị na-emegharị azụ na mpaghara Dongting Lake n'oge dị iche iche gosipụtara mmekọrịta ọjọọ dị ịrịba ama na NDVI (oke ụlọ: p = 0.000; isi ebe: p = 0.003); (6) Ọtụtụ ụmụ nwanyị na-agbagharị agbagharị Milu gosipụtara mmasị dị elu maka ala ubi n'oge niile ma e wezụga oyi, mgbe ha lekwasịrị anya n'iji ọdọ mmiri na osimiri. Ebe obibi nke Milu agbagoro na mpaghara Dongting Lake n'oge mmalite nke imegharị ahụ nwere mgbanwe dị ukwuu n'oge. Ọmụmụ ihe anyị na-ekpughe ọdịiche dị n'oge na nso ụlọ nke Milu rewilded yana atụmatụ iji akụrụngwa nke Milu nke onye ọ bụla na-azaghachi mgbanwe oge. N'ikpeazụ, anyị wepụtara ndụmọdụ nlekọta ndị a: (1) iji guzobe àgwàetiti ebe obibi; (2) iji mejuputa nchikota obodo; (3) iji belata ọgba aghara mmadụ; (4) iji wusie nlebanya ọnụ ọgụgụ mmadụ ike maka imepụta atụmatụ nchekwa ụdị.