Canjin yanayi da yanayin muhalli

Sauyin yanayi yayi illa ga muhalli da na ruwa , ciki har da tundras, mangroves, coral reefs, da kogo . Ƙara yawan zafin jiki na duniya, mafi yawan faruwar matsanancin yanayi, da hawan teku misalai ne na tasirin sauyin yanayi mafi tasiri. Abubuwan da za a iya haifar da waɗannan tasirin sun haɗa da raguwar nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'i nau'i nau'i nau'i nau'i nau'i daban-daban, canje-canje a cikin yanayin halittu ,ƙarar yawan nau'in nau'i-nau'i. sake zagayowar, ƙara yawan faruwa da tsananin bala'o'i kamar gobarar daji da ambaliya, da kuma tasiri mai dorewa akan daidaita nau'ikan.

Canjin yanayi da yanayin muhalli
effects of climate change (en) da academic discipline (en)

Yanayin dazuzzukan dazuzzuka suna da wadatar halittu . Wannan kogin Gambiya ne dake cikin gandun dajin Niokolo-Koba na Senegal .

Gabaɗaya

Rahoton kimantawa na shida na IPCC (2021) yana ci gaba da ƙaruwa sosai a duka mitar (sandunan kwance) da ƙarfi (sandunan tsaye) na matsanancin yanayin yanayi, don haɓaka digiri na ɗumamar duniya.

yanayi yana shafar abubuwan da ke faruwa a duniya . Ƙara yawan zafin jiki na duniya yana nufin cewa yanayin yanayi yana canzawa; ana tilastawa wasu nau'ikan fita daga wuraren zama ( watakila su bace ) saboda yanayin canjin yanayi. Misali shine hijira. Saboda tsananin zafi da ake yi, ana tilastawa tsuntsaye ƙaura zuwa ƙasashen waje. Sauran illolin da dumamar yanayi ke haifarwa sun haɗa da ƙarancin faɗuwar dusar ƙanƙara, hauhawar matakan teku, raguwar Ozone da sauyin yanayi. Waɗannan na iya yin tasiri ga ayyukan ɗan adam da yanayin muhalli

A cikin Rahoton Ƙimar Na huɗu na IPCC, masana sun tantance wallafe-wallafe game da tasirin sauyin yanayi a kan yanayin muhalli. Rosenzweig et al . (2007) ya ƙarasa da cewa a cikin shekaru talatin da suka gabata, ɗumamar da ɗan adam ya haifar ya iya yin tasiri mai tasiri akan yawancin tsarin jiki da na halitta (shafi na 25). 81). Schneider et al . (2007) ya kammala, tare da babban kwarin gwiwa, cewa yanayin yanayin zafin yanki ya riga ya shafi nau'ikan halittu da yanayin halittu a duniya (shafi na 25). 792). Har ila yau, sun yanke shawarar cewa sauyin yanayi zai haifar da bacewar nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan halittu da yawa da kuma raguwar bambancin nau'ikan halittu daban-daban (shafi na 25). 792).

• Tsarin halittu na ƙasa da bambancin halittu : Tare da ɗumamar 4-5 °C, dangane da matakan 2010, mai yiwuwa ciyayi na duniya za su zama tushen tushen carbon (Schneider et al ., 2007:792). Tare da babban ƙarfin gwiwa, Schneider et al . (2007:788) ya ƙarasa da cewa haɓakar yanayin zafi na duniya yana kusan 4 °C (sama da 2010-2015) ta 2100 zai haifar da manyan ɓarna a duniya.
• Tsarin halittu na ruwa da bambancin halittu : Tare da babban kwarin gwiwa, masana kimiyya sun kammala cewa ɗumamar 2-3 °C sama da matakan 2010 zai haifar da yawan mace-mace na murjani reefs a duniya. Bugu da kari, binciken da yawa da ke hulɗa da kwayoyin planktonic da ƙirar ƙira sun nuna cewa zafin jiki yana taka rawar gani a cikin gidajen abinci na microbial na ruwa, wanda zai iya yin tasiri mai zurfi akan fam ɗin carbon carbon na halittu na marine planktonic pelagic da mesopelagic ecosystems.
• Muhallin ruwa mai ruwa : Sama da kusan 4 °C ya karu a matsakaicin zafin duniya da 2100 (dangane da 2010), masana kimiyya sun kammala, tare da babban kwarin gwiwa, cewa yawancin nau'ikan ruwa za su zama batattu ko kuma suna cikin haɗari.

Halittar halittu

Kashewa

karatun kungiyar tsakanin canjin yanayi da bacewarsu fiye da shekara miliyan 520, Masana daga jami’ar york write, “dumamar yanayi yana nan xuwa bayan shekaru masu yawa, a inda akalla dabbobi da shukoki zasu bata baki daya."