Nau'in (jemage):karnukan rakumin
Takaitaccen Bayani:
Yayin da birane ke fallasa namun daji ga sabbin yanayi masu ƙalubale da matsin lamba na muhalli, ana ɗaukar nau'ikan da ke nuna babban matakin ƙarfin hali a matsayin waɗanda za su iya mamaye da kuma daidaitawa da muhallin birane. Duk da haka, bambance-bambancen halayen al'ummomin da ke zaune a yankunan birane da na birni suna haifar da ƙalubale marasa misaltuwa ga hanyoyin gargajiya na kula da namun daji waɗanda galibi ba sa la'akari da buƙatun nau'in ko rage rikicin ɗan adam da namun daji saboda canje-canje a cikin halayen nau'ikan halittu sakamakon tsangwama mai tsanani ga tsangwama ga ɗan adam. A nan, muna bincika bambance-bambance a cikin yanayin gida, ayyukan diel, motsi, da abincin karnukan raccoon (Nyctereutes procyonoides) tsakanin gundumomin zama da mazaunin wuraren shakatawa na daji a Shanghai, China. Ta amfani da bayanan bin diddigin GPS daga mutane 22, mun gano cewa jeri na karnukan raccoon a cikin yankunan zama (10.4 ± 8.8 ha) ya fi ƙanƙanta da kashi 91.26% fiye da na wuraren shakatawa na daji (119.6 ± 135.4 ha). Mun kuma gano cewa karnukan rakumin a gundumomin zama sun nuna ƙarancin saurin motsi na dare (134.55 ± 50.68 m/h) idan aka kwatanta da takwarorinsu na gandun daji (263.22 ± 84.972 m/h). Wani bincike da aka yi kan samfuran najasa 528 ya nuna cewa an sami ƙarin yawan sinadaran da ake samu daga abincin ɗan adam a gundumomin zama (χ2 = 4.691, P = 0.026), wanda ke nuna cewa dabarun neman kare rakumin birni ya bambanta da yawan jama'ar gandun daji saboda kasancewar abincin ɗan adam da aka zubar, abincin kyanwa, da shara mai danshi a gundumomin zama. Dangane da bincikenmu, muna ba da shawarar dabarun kula da namun daji bisa ga al'umma kuma muna ba da shawarar gyara ƙirar gundumomin zama na yanzu. Sakamakonmu ya nuna mahimmancin nazarin halayen dabbobi masu shayarwa a cikin kula da bambancin halittu na birane kuma yana ba da tushen kimiyya don rage rikice-rikicen ɗan adam da namun daji a cikin muhallin birane a cikin yankin bincikenmu da wajen yankinmu.
