Cikakken kunkuru (Emydoidea blandingii) na mallakar kunkuru ne, ajin masu rarrafe.
Haɗuwa da kunkuru ta bazu.
Kunkuruwar hadewar 'yan asalin Amurka ce ta Arewa. Yankin ya fadada yamma zuwa kudu maso gabashin Ontario da kudancin Nova Scotia. Ana samun su a kudancin Amurka a cikin Yankin Manyan Tabkuna. Dabbobi masu rarrafe sun bazu a arewa maso gabashin Maine, arewa maso yammacin kudu maso gabashin Dakota da Nebraska, gami da kudu maso gabashin New York, Pennsylvania, Illinois, Indiana, Iowa, Massachusetts, Michigan, kudu maso gabashin Minnesota, New Hampshire kazalika da jihar Ohio. Ana samun su a Wisconsin, Missouri.
Haɗuwa da mazaunin kunkuru.
Urtanƙan daɗaɗɗɗiyar kunkuntar dabbobi ce ta ruwa-ruwa, galibi suna rayuwa ne a cikin dausayi masu ƙarancin ruwa, inda akwai ciyawar ruwa mai yawa. Wadannan dabbobi masu rarrafe na rayuwa a dausayi na dan wani lokaci inda suka buya daga masu farauta Suna kuma ciyar da wuraren kiwo na ruwa, musamman lokacin bazara. A lokacin hunturu, ana yawan samun wadannan kunkuru da ke cikin ruwa mai zurfin kasa da mita daya, kamar fadama, tafkunan bushewa da koramu.
Wadannan yankuna masu zurfin santimita 35 zuwa 105 ne kawai.
Mata suna zaɓar yankuna don yin sheƙa inda kusan babu tsirrai a ƙasa. Rashin ciyayi ba ya jan hankalin masu yuwuwar lalata daga yankin da ke kewaye da shi. Kunkurui na yin sheƙarsu a gefen hanyoyin da gefen hanyoyin. Don ciyarwa da saduwa, Turtles na kunkuru zuwa matsuguni na ɗan lokaci da fadama. Mazaunan ƙasa sune wuraren da aka fi so don ciyar da dare.
Ana lura da kunkuru samari galibi a cikin ruwa mara zurfin kusa da belin daji. Wannan zaɓin mazaunin yana rage haɗuwa da masu cin abincin.
Alamomin waje na Kunkuruwar Haɗuwa.
Harsashi mai santsi na lendanƙan kunkuru mai launin ruwan kasa ne mai duhu ko baƙi mai launi. A bayan baya akwai launuka rawaya da launuka iri-iri masu launin rawaya tare da kwari. Bawo daga kunkuru balagaggu na iya auna daga milimita 150 zuwa 240. Nauyin jeri daga 750 zuwa gram 1400. Kan yana kwance, baya da gefuna masu launin shuɗi ne. Idanun suna fitowa kan bakin. Matakan rawaya suna rufe gaɓoɓi da wutsiyoyi. Akwai yatsan yanar gizo tsakanin yatsun kafa.
Kodayake babu wani bambanci mai mahimmanci a tsakanin mata da maza, maza suna da plastron da ya fi rikitarwa.
Madaukai a gefen gefen harsashi suna motsawa tsawon shekaru biyu a cikin kunkuru matasa, kuma yana iya rufewa gaba ɗaya lokacin da kunkuru suka kai shekaru biyar. Filasti a cikin ƙananan kunkuru baƙar fata ne tare da ɗanɗano mai launin rawaya a gefen gefen. Wutsiyoyi sun fi na manya girma. An zana kunkuru cikin launuka masu haske, suna da bawo mai zagaye, girman su ya bambanta daga milimita 29 zuwa 39, kuma nauyin daga gram 6 zuwa 10. Tsoffin kunkuru na iya yin kwanan rana ta zoben da ke jikin bawonsu.
Kiwo Kunkuruwar Haɗawa.
Urtaƙan kunkuru waɗanda ke haɗuwa galibi a farkon bazara, a watan Maris da farkon Afrilu, lokacin da hunturu ya ƙare.
Mata suna yin zuriya tsakanin shekaru 14 zuwa 21; maza suna iya haifuwa da kimanin shekaru 12.
Suna yin aure tare da maza da yawa. Koyaya, yayin zawarci, maza suna da saurin faɗa kuma suna cizon mata a kan harsashi. Mace wani lokacin takan yi ninkaya daga namiji, sai namijin ya bi ta a cikin ruwa kuma ya girgiza kai sosai da ƙasa, yana sakin kumfar iska a ƙarƙashin ruwan. Mata na yin ƙwai sau ɗaya a shekara a ƙarshen Yuni da farkon Yuli. Suna gida da dare misalin kwanaki 10. Suna zaɓar wurare masu aminci tare da ciyayi marasa yawa a ƙasa. Tekun gabar tekun, bankunan tsakuwa, rairayin bakin teku da kuma gefen tituna wurare ne da ake daɗa gida gida. Ana sanya ƙwan kunkuru a cikin rami da aka haƙa zurfin cm 12. Girman masu kamawa ya bambanta daga ƙwai 3 zuwa 19. Tsarin zafin jiki ya fara daga digo 26.5 zuwa digiri 30. Tananan kunkuru suna bayyana bayan kwanaki 80 zuwa 128, galibi a watan Satumba da Oktoba. Suna da nauyin gram 6 zuwa 10. Tan kunkuru suna zuwa neman ƙauyukan da suka dace da wuraren zama na ruwa don hunturu. Mai yiwuwa, tan kunnuwa masu haɗuwa suna rayuwa cikin yanayi na shekaru 70-77.
Haɗuwa da halin kunkuru.
Kodayake kunkururan Blending suna da alaƙa da mazaunin ruwa, galibi suna fitowa daga ruwa don yin kwalliya a kan katako, gado mai ɗanɗano ko kowane yanki. Waɗannan kunkuru suna motsawa don neman wuraren zama tare da wadataccen abinci. Maza suna da nisan kilomita 10, mata kuma kilomita 2 ne kawai, kuma a lokacin tsakar gida ne kawai za su iya rufe tazarar da ta kai kilomita 7.5. Tsoffin mutane galibi suna taruwa a wuri guda, inda akwai kunkuru 20 zuwa 57 a kowace kadada. A watannin Oktoba da Nuwamba, suna kafa ƙungiyoyi don hunturu, suna kasancewa galibi a cikin tafkunan, suna yin bacci har zuwa ƙarshen Maris.
Haɗuwa da abincin kunkuru.
Guraben Burtaniya masu rarrafe dabbobi ne masu rarrafe, amma rabin abincin su ya kunshi kayan kwalliya. Suna cin ganima da gawar rayuwa. Suna cin kwari da sauran kwayoyin halittu masu rarrafe, larva na mazari, beetles, da kifi, qwai, kwadi, da katantanwa. Daga shuke-shuke sun fi son hornwort, duckweed, sedge, reeds, kuma suna cin tsaba. Kurucin na manya suna cin abincin dabbobi, yayin da yara kanana yawancinsu ciyawa ce.
Matsayin kiyayewa daga kunkuru mai haɗuwa.
Dangane da Lissafin Lissafin IUCN, kunkuruwan Blending suna cikin hadari, yanayinsu ya kusan fuskantar barazana. Waɗannan kunkuru suna kan Rataye na II na CITES, wanda ke nufin cewa idan ba a sarrafa fataucin wannan nau'in dabbobi masu rarrafe ba, to kunkuru za su kasance cikin haɗari.
Babban barazanar ga nau'ikan: mutuwa akan hanyoyi, ayyukan mafarauta, hare-haren mahauta.
Ana daukar matakai don hana amfani da maganin kashe ciyawa a sanannun wuraren dausayi na kunkuntar Blanding. Ana aiwatar da matakan kiyayewa a cikin waɗannan yankuna masu kariya, kuma ana ba da izinin hanyoyi da sifofi kawai daga nesa mai nisa daga yankin dausayi.
Urtan kunkuru masu haɗuwa suna zaune a wurare da yawa masu kariya a cikin kewayon, gami da ɗimbin yawan mutanen da aka ambata a Nebraska. An haɓaka shirye-shiryen kiyayewa a cikin jihohin Amurka da yawa a Nova Scotia.
Matakan kiyayewa sun hada da:
- rage yawan mutuwar kunkuru a kan hanyoyi (gina shinge a wuraren da dabbobi masu rarrafe ke motsawa a kan hanyoyi),
- cikakken dakatar da kamun kifi don siyarwa,
- kare manyan dausayi da ƙananan ruwa na ɗan lokaci. Kazalika da kariya ta wajibi ga yankunan da ke kusa da yankin da aka yi amfani da su don yin gida da kuma hanyoyin da za a bi don yin zirga-zirga tsakanin dausayi
- cire masu farauta daga yankunan da kunkuru ke kiwo.
