Yayin wanzuwar mutane, yawancin adadin tsirrai sun riga sun ɓace daga fuskar duniya. Aya daga cikin dalilan wannan lamarin shine bala'o'in halitta, amma a yau ya fi dacewa a bayyana wannan matsalar ta hanyar aikin anthropogenic. Speciesananan nau'ikan flora, ma'ana, kayan tarihi, sun fi saurin lalacewa, kuma rarraba su ya dogara da iyakokin wani yanki. Don jan hankalin jama'a, ana kirkirar littafin Red Book, wanda a ciki ake shigar da bayanai kan nau'ikan halittu masu hatsari Hakanan, hukumomin gwamnati a kasashe daban-daban suna ba da kariya ga tsire-tsire masu haɗari.
Dalilan batan shuke-shuke
Bacewar fure yana faruwa ne saboda ayyukan tattalin arziƙin mutane:
- gandun daji;
- kiwo;
- magudanar ruwa na fadama;
- huda ciyawa da ciyawa;
- tarin ganye da furanni don siyarwa.
Ba ƙarancin gobarar daji ba, ambaliyar ruwa a yankunan bakin teku, gurɓatar mahalli, da bala'in muhalli. Sakamakon bala'o'i, tsire-tsire suna mutuwa da adadi mai yawa cikin dare, wanda ke haifar da canjin yanayin duniya.
Kare nau'in flora
Yana da wahala a iya tantance daruruwan nau'ikan tsire-tsire da suka bace daga doron kasa. A cikin shekaru 500 da suka gabata, a cewar masana na Kungiyar Kare Muhalli ta Duniya, nau’ikan fure 844 sun bace har abada. Ofayan su sigillaria, kamar bishiyoyi waɗanda suka kai tsayin mita 25, suna da katako mai kauri, kuma suna girma a yankunan dausayi. Sun girma cikin rukuni-rukuni, suna kirkirar duka yankunan daji.
Sigillaria
Wani nau'i mai ban sha'awa ya girma a kan tsibirin Tekun Pacific - Streblorisa daga ƙirar ƙwallon ƙafa, yana da furanni mai ban sha'awa. Wanda ya ɓace shine violet violet, ganye wanda ya girma zuwa santimita 12 kuma yana da furanni masu shunayya.
Strebloriza
Violet Kriya
Hakanan, nau'in lepidodendron, wanda aka lulluɓe da ciyayi masu yawa, sun ɓace daga shuke-shuke masu kama da bishiyoyi. Daga nau'ikan halittun ruwa, yana da daraja a ambaci nematophyte algae, waɗanda aka samo su a cikin ruwa daban-daban.
Lepidodendron
Don haka, matsalar rage yawan halittu abu ne mai gaggawa ga duniya. Idan baku ɗauki mataki ba, da yawa nau'in flora zasu shuɗe nan da nan. A halin yanzu, an jera nau'ikan nau'ikan da ke cikin hatsari a cikin Littafin Ja, kuma bayan karanta jerin, za ku iya gano ko waɗanne tsire-tsire ba za a tsince su ba. Wasu nau'in a doron duniya kusan ba a same su ba, kuma ana iya samun su ne kawai a wurare masu wahalar isa. Dole ne mu kiyaye yanayi da hana ɓacewar shuke-shuke.
