Mühlenberg marsh kunkuru: duk bayanai, kwatanci

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Muhlenberg marsh kunkuru (Glyptemys muhlenbergii) na cikin umarnin kunkuru ne, ajin masu rarrafe.

Rarraba kunkuru ta Muhlenberg.

Kunkuru na Mühlenberg Marsh yana da wani yanki wanda bai dace ba kuma ya rabu a gabashin Amurka. Akwai manyan mutane biyu: na arewa an rarraba shi a gabashin New York, yammacin Massachusetts, kudu maso gabashin Pennsylvania, New Jersey, arewacin Maryland, da Delaware. Kudancin jama'ar (galibi a tsaunuka masu tsayi har zuwa ƙafa 4,000) a Kudancin Virginia, a yammacin North Carolina, a gabashin Tennessee. Kunkuruwar Muhlenberg ɗayan ɗayan nau'ikan kunkuru ne da ke Arewacin Amurka.

Mühlenberg marsh kunkuru mazaunin.

Muhlenberg Marsh Kunkuru wani nau'in nau'ine na musamman wanda yake dauke da matsakaitan matsugunai a cikin ruwa mai dausayi, daga matakin teku zuwa tsawan mita 1,300. Ana samo shi a cikin ƙwanƙolin peat, ƙananan gandun daji, ciyawar ciyawa mai laushi, tsire-tsire masu laushi tare da alder, larch, girma spruce Wurin da yake da kyau ga wannan jinsin shine kananan kogunan da aka bude da ruwa mai gudana a hankali, koguna tare da kasa mai laushi mai laushi da ciyawar ciyayi a gefen bankunan.

Alamomin waje na kunkurulen Muhlenberg.

Kunkurulen fadama na Mühlenberg shine ɗayan thean kunkuru a duniya. Tsawon carapace ya kai cm 7.9 - 11.4. Yana da launin ruwan kasa mai duhu ko baƙi kuma ana bambanta shi da ɗigon haske a kan ƙananan ƙura da ƙira. A cikin ƙuruciya matasa, yawanci ana ganin zoben, amma harsashi a cikin tsofaffin samfuran ya zama kusan santsi.

Kan, wuya, gabobin jiki yawanci launin ruwan kasa ne masu launuka masu canza launin ja-rawaya da launuka. Ana iya ganin babban tabo mai launin ja-orange a baya, wani lokacin yana haɗuwa cikin ci gaba da ɗorawa a wuya. Babban muƙamuƙin yana da rauni sosai. Filashin launin ruwan kasa ne ko baƙi, amma galibi tare da raƙuman rawaya masu haske a gefen tsakiya da na gaba. Babban mutum yana da plastron concave da doguwa, jeji mai kauri. Mace an banbanta ta da lebur madaidaiciya da ƙaramar wutsiya.

Sake buguwa daga kunkuru ta Muhlenberg.

Yin jima'i a cikin kunkuntar Mühlenberg na faruwa ne a bazara daga Maris zuwa Mayu. Yayin saduwa, namiji yana cizon kai, wata gabar jiki, ƙwarjin mace.

Lokacin nest yana daga tsakiyar Mayu zuwa farkon Yuli, tare da yawancin ƙwai ana sanya su a watan Yuni.

Don neman gida, mata kan matsa zuwa sama, mafi kyawu wurare masu kyau, kodayake wani lokacin akan shirya nests a tsakiyar tsutsa masu kauri da ruwa ya kewaye su. Ala kulli halin, sanya gida a buɗaɗɗen wuri, inda rana ta fi dacewa da danshi mai danshi. Gidajen gwaiwa na baya ne suka gina gurbi, a cikin salon turan kunkuru. Ana kwan ƙwai ɗaya zuwa shida sau ɗaya a shekara.

Qwai suna da tsayi, farare tare da harsashi mai laushi a matsakaita kimanin tsawon cm 3. Lokacin shiryawa ya fara ne daga kwanaki 45 zuwa 65. Tan kunkuru suna da tsayin dusar ƙafa na 21.1 zuwa 28.5 mm. Suna girma cikin sauri a cikin fewan shekarun farko, sa'annan su rage gudu tsakanin shekarunsu huɗu zuwa goma.

A cikin fursuna, da kunkuntun fadama na Mühlenburg sun rayu sama da shekaru 40.

Halin Muhlenberg kunkuru.

Urtan gandun daji na M mahlenberg da farko dabbobi ne na yini, kodayake wani lokacin suna nuna ayyukan dare. A ranakun sanyi, koyaushe suna ɓatar da rana a gefen ruwa mai zurfin ruwa a kan kumburi, amma a yanayi mai zafi suna ɓoyewa tsakanin ciyayi ko cikin rami da aka haƙa a tsakanin sphagnum.

A lokacin hunturu, dausayin Mühlenberg na kunkuru, yana laka cikin laka ko ciyayi a cikin ruwa mara zurfi ko cikin ramuka masu ambaliyar ruwa. Don kwanciyar hankali, ana amfani da wurare iri ɗaya inda ƙungiyoyin kunkuru ke taruwa kowace shekara. Wasu yan kunkurui yankuna ne na yankuna kuma suna kare ƙaramar yanki a cikin kusancin su tare da radius na kusan mita 1.2.

Groupananan ofan kunkuru na buƙatar kimanin hekta 0.1 zuwa 3.1 don rayuwa.

Cin Kunkuru mai fadama Muhlenberg.

Muurtun marsh na Muhlenberg masani ne kuma suna cin abinci wanda yake cikin ruwa. Suna cin ƙananan invertebrates (kwari, larvae, katantanwa, crustaceans, tsutsotsi). Hakanan tsaba, 'ya'yan itace, sassan kore na shuke-shuke. Matattun dabbobi da ƙananan ƙwayoyi kamar tadpoles, frogs da salamander larvae ana tara su lokaci-lokaci.

Ma'ana ga mutum.

Kunkuruwar fadama Mühlenberg na lalata kwari da larvae masu cutarwa. Amma mafi mahimmanci shine gaskiyar cewa wannan nau'in yana da mahimmanci a matsayin sakamako na musamman na juyin halitta wanda ya kasance sanannen fasalin albarkatun namun daji. Kurtun fadama na Mühlenberg suna kara yawan halittu daban-daban kuma ba kasafai suke samun rauni ba, suke da hadari. Wadannan kunkurukan kanana ne, kyawawa kuma kyawawa, wadanda masoyan dabbobi ke nema kuma abune.

Matsayin kiyayewa daga kunkuru ta Muhlenberg.

Kunkurun mikiya na Mühlenberg suna kan IUCN Red List of Specin barazanar da CITES Appendix I. A halin yanzu mazaunin kunkuru na fuskantar canje-canje na ban mamaki saboda ayyukan ɗan adam da magudanan ruwa. Turan kunkuru suna da damuwa da sauye-sauye a cikin wuraren zama na asali zuwa wuraren yin sheƙan ruwa a cikin ambaliyar ruwa, waɗannan hanyoyin sau da yawa ana kange su ta hanyoyi, filaye, makiyaya. Bugu da kari, cinikin dabbobi masu rarrafe masu ci gaba na ci gaba da keta dokokin kasa da kasa na kare nau'ikan halittu.

Babban farashin wannan nau'in kunkuru na sa farautar farauta duk da barazanar azabtarwa mai tsanani.

Kunkuruwar Muhlenberg suna da makiya na gari waɗanda ke halakar da ƙwai da ƙananan kunkuru, daga cikinsu akwai yawan mace-mace. Sizearamar mutane tana ƙaruwa da rauni ga masu farauta. Yawan adadin raccoons wanda ba sabawa ba ne, hankaka yana wahalar da kariya ga wani nau'in da ba safai ba. Urtan kunkuru na Muhlenberg an nuna shi da ƙarancin haihuwa, ba yawan kwai ba, maimakon ƙarshen balaga da dogon lokacin balaga. Irin waɗannan fasalulluka na rayuwar zagayen kunkuru masu takaita saurin dawo da yawan jama'a. A lokaci guda, manya suna yin kiwo a cikin mazaunin da ke fuskantar tasirin tasirin halittar dan adam, wanda ke haifar da yawan mace-macen da ba a saba gani ba tsakanin manya da kunkuru. Bugu da kari, kebewar matsuguni na kara kasadar tasirin tasirin iyakancewar musanyar kwayoyin halitta da abin da ke haifar da alaƙar juna da juna.

Matakan kiyayewa sun haɗa da gano mahimman wuraren zama waɗanda ke cikin mawuyacin hali, kare kunkuru daga mafarauta, amfani da ƙasa mai ɗorewa, da shirye-shiryen kiwo na fursunonin Mühlenberg marsh.

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Kalli bidiyon: Imagefilm Hof Mühlenberg (Nuwamba 2024).