Bishiyoyi wani bangare ne na halitta kuma muhimmin yanki ne na abubuwan halittu masu yawa a duniya. Babban aikinsu shine tsarkake iska. Abu ne mai sauki ka tabbatar da wannan: shiga daji ka ji yadda sauki ya kasance gare ka numfashi a tsakanin bishiyoyi fiye da kan titunan birni, a cikin hamada ko ma a cikin matakalar hawa. Abinda yake shine dazuzzuka masu huhun huhun duniyar mu.
Tsarin hoto
Tsarkakewar iska yana faruwa yayin aiwatar da hotunan hotuna, wanda ke faruwa a ganyen bishiyoyi. A cikin su, a ƙarƙashin tasirin hasken rana da zafin rana, carbon dioxide, wanda mutane ke fitarwa, ya rikide zuwa abubuwa masu rai da iskar oxygen, wanda sannan ke shiga cikin haɓakar gabobi daban-daban. Ka yi tunani kawai, bishiyoyi daga hekta ɗaya na gandun daji a cikin minti 60 suna shan iskar carbon dioxide da mutane 200 suka samar a daidai wannan lokacin.
Tsarkake iska, bishiyoyi suna cire sinadarin sulphur da nitrogen dioxides, kazalika da carbon oxides, micro-dust dust da sauran abubuwa. Tsarin sha da sarrafa abubuwa masu cutarwa yana faruwa tare da taimakon stomata. Waɗannan ƙananan ramuka ne waɗanda ke taka muhimmiyar rawa a cikin musayar iskar gas da ƙarancin ruwa. Lokacin da ƙananan ƙura suka isa saman ganye, sai shuke-shuke ke sha shi, yana mai da iska mai tsafta. Koyaya, ba duk duwatsu suke da kyau ba wajen tace iska, kawar da ƙura. Misali, toka, spruce da bishiyar linden suna da wahalar jure gurbataccen yanayi. Maple, poplar da oaks, a gefe guda, sun fi tsayayya da gurɓataccen yanayi.
Tasirin zafin jiki akan tsarkakewar iska
A lokacin rani, koren wurare suna ba da inuwa kuma suna sanyaya iska, saboda haka yana da kyau koyaushe a ɓoye a inuwar bishiyoyi a ranar zafi. Bugu da kari, jin dadi yana fitowa daga matakai masu zuwa:
- danshin ruwa ta hanyar ganyaye;
- rage saurin iska;
- ƙarin danshi na iska saboda faduwar ganye.
Duk wannan yana shafar saukar da zazzabi a inuwar bishiyoyi. Yawanci yawanci digiri biyu ne akan gefen rana a lokaci guda. Dangane da ingancin iska, yanayin zafin jiki yana shafar yaduwar gurɓataccen yanayi. Don haka, da yawa bishiyoyi, yanayin mai sanyaya yana zama, kuma ƙananan abubuwa masu cutarwa suna ƙazantar da shi kuma ana sakasu cikin iska. Hakanan, tsire-tsire masu tsire-tsire suna ɓoye abubuwa masu amfani - phytoncides waɗanda zasu iya lalata fungi da ƙananan ƙwayoyin cuta.
Mutane suna yin zaɓin da bai dace ba ta lalata duka dazuzzuka. Idan babu bishiyoyi a doron kasa, ba dubban nau'in dabbobi ne kawai zasu mutu ba, har ma mutane da kansu, saboda zasu shaka daga iska mai datti, wanda babu wani da zai tsabtace shi. Sabili da haka, dole ne mu kiyaye yanayi, ba lalata bishiyoyi ba, amma shuka sabbin domin ta wata hanya rage lalacewar da bil'adama ke yiwa muhalli.
