Babbar matsalar muhalli ta fure shine lalata ciyayi da mutane suka yi. Abu daya ne idan mutane suka debo 'ya'yan itacen daji, suka yi amfani da tsire-tsire masu magani, kuma wani abu idan gobara ta lalata dubban hekta na dukkan abubuwa masu rai a yankin. Dangane da wannan, lalata flora matsala ce ta mahalli ta duniya baki ɗaya a yau.
Lalacewar wasu nau'in tsirrai na haifar da lalacewar dukkanin kwayar halittar fure. Idan aƙalla an kashe nau'ikan jinsin guda daya, to dukkan halittu suna canzawa sosai. Don haka tsire-tsire abinci ne na shuke-shuke, kuma idan aka lalata murfin ciyayi, waɗannan dabbobin zasu mutu, sannan kuma masu cin abincin.
Babban matsaloli
Musamman, ragin yawan nau'in flora yana faruwa ne saboda dalilai masu zuwa:
- gandun daji;
- magudanun ruwa;
- ayyukan noma;
- Gurbatar Nukiliya;
- hayakin masana'antu;
- ƙarancin ƙasa.
- tsangwama na anthropogenic tare da tsarin halittu.
Waɗanne tsire-tsire ne da ke gab da halaka?
Mun san abin da lalata tsire-tsire zai haifar. Yanzu bari muyi magana game da wane nau'in nau'in haɗari ne. Edelweiss ana ganin ba safai a cikin furanni ba. Hakanan akwai 'yan filayen beran kasar Sin kaɗan da suka rage a doron ƙasa, kodayake ba ta da kyau da kyawu, amma dai na iya tsoratar da kowa. Middlemist ja shima yana da wuya. Idan mukayi magana akan bishiyoyi, to itacen Peth Methuselah ana ɗaukarsa mafi ƙarancin ƙarfi, shima tsoho ne. Haka kuma a cikin hamada itace mai rai yana girma, wanda ya fi shekaru 400 da haihuwa. Da yake magana game da wasu tsire-tsire masu wuya, mutum na iya kiran gemu na Japan - ƙaramin orchid, Rhododendron Fori, Puya Raimondi, lupine na daji, bishiyar Franklin, magnolia mai ƙwanƙwasa, ƙwarƙwarar ƙyama, furen jego da sauransu.
Menene barazanar lalata flora?
Amsar mafi gajarta ita ce yankewar rayuwar dukkan wani abu mai rai, tunda tsirrai sune tushen abinci ga mutane da dabbobi. Musamman musamman, ana ɗaukar gandun daji huhun duniya. Halakar su ta kai ga gaskiyar cewa yiwuwar tsarkakewar iska ta ragu, babban adadin iskar carbon dioxide a cikin sararin samaniya yana taruwa. Wannan yana haifar da tasirin greenhouse, canje-canje a canjin zafi, canjin yanayi da dumamar yanayi. Sakamakon lalata dukkan nau'ikan jinsin shuka da adadi mai yawa na fure zai haifar da mummunan sakamako ga duniya baki daya, don haka bai kamata mu kasadar da rayuwarmu ta gaba ba da kare tsirrai daga halaka.
