Cornersananan kusurwa ne suka rage a doron ƙasa inda mutane zasu iya jin daɗin shimfidar wuri wanda zai iya amfanar da su sosai kamar Tekun Gishiri. Yawan gishirin da yake da shi na hana rayuwar ruwa kasancewa a ciki, amma yana ba da babban taimako ga waɗanda ke fama da kowace cuta. Kodayake wannan wuri mai ban mamaki yana da ƙididdigar kwanakinsa.
Ofungiyar masana daga theungiyar Nazarin logicalasa ta Isra'ila da Jami'ar Ibrananci ta Urushalima, tare da haɗin gwiwar wasu ƙwararru daga ƙasashe daban-daban, sun sami shaidar tsananin ƙarancin ruwa a cikin zurfin Tekun Gishiri, wanda zai iya nuna canjin babban canjin nan gaba idan yanayin zafi ya ci gaba da tashi.
Nazarin, wanda aka buga shi a cikin mujallar »Wasikun Kimiyyar Duniya da Tsarin Mulki», ya dogara ne akan yawan gishiri a cikin sigar halite, wanda shine ma'adinai mai narkewa wanda yake samarda lokacin da ruwan gishiri yayi danshi, wanda aka samo shi a cikin gishirin gishirin gishirin da aka ciro mita 450 daga tekun (kimanin mita 1.150 daga farfajiya). Kamar yadda masu binciken suka yi bayani, ka rage kawai yana rugawa lokacin da matakin ruwa yayi ƙasa.
Bayan duba shekaru da lokacin samuwar gutsutsuren, sun sami damar gano cewa matakin Tekun Gishiri ya ragu sosai a cikin lokutan sanyi guda biyu: na farko tsakanin shekaru kusan 115.000 zuwa 130.000 da suka gabata, na biyu kuma kimanin shekaru 10.000 da suka gabata. A lokacin waɗannan tsaka-tsakin matakin ya fadi kusan mita 500, kuma hakan ya kasance a wani lokacin har tsawon shekaru.
Zafin zafin ya tashi fiye da digiri 4 sama da matsakaita a ƙarni na XNUMX, wanda shine abinda masana kimiyya sukayi imani zai sake faruwa a wannan karnin. Abin takaici, ba abin da za a yi don dakatar da aikin, »samfurin yanayi sun hango mafi ƙarancin danshi a yankin»Masu binciken sun ce.
Kuna iya karanta karatun a nan.