Lokacin da mammoths zama dadaddun? Tarihin duniya

Mammoths - ban mamaki dabbobi masu shayarwa cewa sun zama dadaddun daga canjin yanayi. Su ne m dangi na zamani giwaye.

Lokacin da mammoths zama dadaddun?

View Santa ne daya daga cikin mafi kyau-yi karatu a zamani binciken burbushin halittu. Ainihi, wannan za a iya bayyana ta da cewa sun rayu a Duniya gwada da kwanan nan, har ma da Sahaban sun adam. Har yanzu, masu bincike suna gano ragowar wadannan dabbobi.

To, a lõkacin da dadaddun mammoths? Yana faru game da 10 shekara dubu da suka wuce, a lokacin da akwai wani 'yan duniya sanyaya a cikin duniya da sauyin yanayi. Saboda wannan nau'in fara wani m gwagwarmayar rayuwa. Mutanen da suka ta da wannan lokaci ƙware da daban-daban farauta kayan aikin sun zama wata barazana ga duk Santa. Daya gawar irin dabba iya na dogon lokaci don ciyar da kabila. Saboda wannan fanni na Proboscidea mafi rage.

Fada mutum

Masana binciken burbushin halittu sau da yawa sami ragowar manyan dabbobi ne a kan site na zamanin d mutane. Kasusuwa hankali sarrafa yin amfani da dutse don, don haka abin da suka iya sai a yi amfani a matsayin kayan aiki a rayuwar yau da kullum. Dayansu ya ƙirƙira yawa dabaru kama wani whopper kamar Santa. Dadaddun dabbobi da aka bayan buga m māsu. Hakika, mutumin ne da wata dabba da aka ba zai yiwu ba a shawo kan kadai. Saboda haka yana da farauta kungiyoyin. A sawu, inda mammoths yawonta daga al'ada, haƙa camouflaged rami, inda dabba fadi kuma ya zama da sauki ganima. Sau da yawa, da māshi ko Dart saiti a cikin makwancin gwaiwa - daya daga cikin 'yan rauni da maki. Irin wannan dabaru a cikin XIX karni da mazauni na Afirka amfani da lokacin da farauta akwai giwaye.

Tasirin sauyin yanayi

Bugu da kari, akwai wani muhimmin dalilin da ya sa mammoths zama dadaddun. Wadannan dabbobi ba su da isasshen abinci. Mutane da yawa jinsunan a abin da suka ciyar, sun mutu saboda sanyi karye (kawai wannan lokaci tafi 34 jinsunan). Rashin abinci da kuma mutum barazana kai ga cewa a duniya akwai ba a Santa. Wannan sabon abu na taro nau'i nau'i saboda canje-canje a cikin rayuwar kimiyyar zamani da aka kira Great Holocene nau'i nau'i.

Akwai wasu qananan alamun na biyayya ga ka'idar cewa shi ne sauyin yanayi shi ne babban dalilin da nau'i nau'i na wadannan dabbobi masu shayarwa. Lokacin da dadaddun mammoths bace tare da su ba kawai wasu dabbobi amma kuma mutum mutum al'umma. Alal misali, irin wannan al'ada ya Clovis. Yana lissafta ga mazauni na Stone Age, wanda ya rayu a Tsakiya da kuma Arewacin Amirka. Wato, da Gwamuwar mammoths da mutane ba sa nau'i nau'i na Proboscidea.

canjin yanayi sun hada da ba wai kawai da kaifi sanyi karye (wanda canza rage cin abinci), amma Warming cewa ya kai tsaye buga da wadannan Refayawa. A ritaya na kankara da kuma taiga zuwa arewa tilasta su su yi hijira kara shiga cikin matsananci latitudes, inda mutuwa ta same su fitar da.

A karshe mammoths

The latest binciken ya nuna cewa ko bayan da bacewar woolly giwaye a nahiyar wasu ware mazauna wanzu a kan raba tsibirin. Alal misali, a kan Wrangel Island ƙasũsuwa da aka samu, wanda shekaru ya game 4 shekara dubu. Tun da masana kimiyya sun nuna cewa ya zama ruwan dare garkunan har yanzu ya faru, a lokacin da a zamanin d Misira ya gina dalar, da kuma bayyana Mycenaean wayewa a kasar Girka. Hakika, sa'an nan mazaunan Rum bai san lokacin da mammoths zama dadaddun.

Wrangel Island mammoths lokaci dade wani karin shekara dubu. Duk da haka, wadannan dabbobi ne daban-daban daga waɗanda aka yada a fadin baya Eurasia. Su size da wuya ya kai 1.5 m. Yana da alaka da cewa da yawa ya canza abinci sarkar. Mammoths ya rage da abincin sojoji, wanda ya shafi ci gaban da mutane a cikin yara. Wadannan bayanai sun zama sananne, a bãyan an yi nazari da kuma bincikar hakora samu a Wrangel tsibirin Rasha burbushin halittu, a 1993 shekara. Karshe "Dwarf" da al'umma ba a san da yara, wanda zai iya zama wata barazana ga su. Saboda haka, mafi yawan gano burbushin yayi dace da mazan mutane.

Lokacin da dadaddun mammoths, suka maye gurbinsu da wasu a kasar. A Wrangel tsibirin ya zama ruwan dare al'umma ci gaba ta wanzu da kuma ci gaba cikin lumana. Amma me ya sa mammoths zama dadaddun, da kuma a kan wannan kananan yanki na ƙasar? Zai yiwu akwai pohozyaynichat mutane. Ba kamar da suka gabata zamanin lokacin da mammoths sanaki miliyoyin murabba'in kilomita kisan 'yan mutane a kan wani tsibirin iya rushe sikẽli a cikin al'umma.

A Age Santa

Yanzu, lokacin da ya bayyana yadda da yawa da suka wuce, mammoths zama dadaddun, za ka iya magana game da yanayin da suka samu su heyday. Wannan lokaci ya faru game da 120,000 da suka wuce. A wannan lokaci, da mammoths zauna ba fãce a cikin zamani Siberia, amma kuma a Turai, har zuwa Spain. A Asia wannan iyaka data kai gaba na Caspian Sea. A nan, kuma, mun samu ragowar bar bayan lokacin da mammoths zama dadaddun. A zamanin su predominance a cikin kewaye fauna dade na tsawon waxansu dubban shekaru.

Santa taimaka sauyin yanayi. A lokacin Quaternary lokaci, Eurasia ya samu uku mai tsanani sanyi karye, a lokacin da glaciers bayyana a cikin nisa kudu na Arctic Circle. Sharp nahiyar sauyin yanayi ƙwarai rage fannin impenetrable gandun daji. Conversely, matakan girma dabam, dace mammoths, ya karu a sau.

makwabta mammoths

Around wadannan Refayawa ya kasance wani arziki fauna da abin da suka ko ta yaya tuntube. Waɗannan su ne reindeer, m rhinoceroses, Musk da bijimai, da dawakai, yaks, kogon bears da kuma saiga. Daga kananan dabbobi masu shayarwa ya kamata a lura lemmings, ƙasa squirrels, da sauransu. D. Results iya lissafa game da 80 jinsunan fauna.

Lokacin saboda a hankali a hankali Warming don maye gurbin 'yan qasar tundra zo m gandun daji, mammoths bar wadannan wurare. Saboda su kewayon aka rage, da kuma ƙarshe suka bace gaba ɗaya.

Mammoths a almara

Mutanen da Far Arewa , da kuma a yau rike da yawa Legends game da woolly Refayawa suka taba rayuwa a ƙasarsu. Siberia ya wurin inda da wadãta nemi a Santa. Komi, Khanty, Mansi da kuma sauran 'yan asalin mazaunan sararin tundra kiyaye su a cikin almara Legends game da su. Bugu da kari, wadannan mutane kafin Turawa sau da yawa samu relic hakora da kuma kasusuwa, wanda ake amfani da su a cikin gida, ko kuma kamar yadda tsada kayan ado.

Alaskan Eskimos sassaka image na wadannan dabbobi masu shayarwa a kan hannunsa, Ya sanya daga dabbar walrus ƙasũsuwa. Lapps zaune a arewacin Scandinavia, imani da cewa mammoths - wannan yana rufe gashi Refayawa, wanda aka boye karkashin kasa. A Chukchi, Gabas Siberian mammoths kiyaye Legends na kafofin watsa labarai a matsayin wani mugun ruhu.

Wadannan dabbobi zo daga Eurasia zuwa Amurka. Akwai ma Legends game da "babbar bison" a cikin labarin baki da Indians. a Santa farauta da aka yada a matsayin guda kuma a wani nahiyar. Saboda duniya sanyaya, duniya teku matakan ragu sosai, wanda a yarda da dabbobi da kuma mutane su yi tafiya daga wani sashi na duniya zuwa wani.