E lefatšeng ea ka e le nako ea ho la botšelela la boima ho fela?

Ho ea ka lithuto tsa morao tjena, oa botšelela boima ho fela, e leng se tlameha ho tobana le polanete ea rōna matsatsing ana, ea isang ho ho timetsoa ha liphoofolo tse hlaha. Ho ile ha fumanoa hore tekanyo ea ho fokotseha ha palo ea limela le liphoofolo lefatšeng ka bophara ba jwale hole feta weather forecasts pele ho moo bo-rasaense ba. Ho feta moo, leka ho pholosa ho tloha pheliso ea mefuta motho a ke ke a khona ho thusa liphoofolo tse hlaha ka nako e telele.

Seo tahlehelo na liphoofolo tse hlaha

Bafuputsi ba fumane hore selemo le selemo tse ka bang peli mefuta foqohe tsa vertebrates. Ho ka 'na ha bonahala eka litšoantšo tsena ha li ka matla, empa e lokela ho utloisisa hore ka tekanyo fela ke makhetlo a 10-100 e phahameng ho feta oa tlhaho.

Ho phaella moo, bafuputsi ba ela hloko, tse kang lebelo la pheliso ea liphoofolo tse hlaha le ka bontša hore motho mokhoa tšoenyang. Ho ka etsahala hore ba bang ba baahi ba nyamela ka lebaka la 'nete ea hore libakeng tsa bona tse narrowed le arohaneng,' me ho ka ba feela joalokaha senyang tsa lefatše ka kakaretso.

Bo-rasaense ba ho etsa lipatlisiso

Ka ho ithuta tikoloho ea 26 700 vertebrates fapaneng tsa lefatše (ho akarelletsa le ka bang halofo ea tsohle tsejoa linonyana, liphoofolo tse anyesang, sehahabi le lihahabi), bafuputsi ba ile ba fumana hore ba etsang liphesente tse fetang 30 ba lahlehetsoe ke karolo e khōlō ea baahi ba eona le tikoloho. Joale ba hlahlobisisa ea baahi ba 177 liphoofolo tse anyesang ka ho qaqileng le ho feta. Ho ile ha fumanoa hore, le hoja liphoofolo tsohle li lahlehetsoe ke liphesente tse fetang 30 tsa habitats bona, har'a bona 40 diphesente ea liphoofolo tse anyesang li lahlehetsoe ke ho fihlela ho karolo ea 80 lekholong ea baahi ba bona.

" 'Misa pheliso ea mefuta e nkoa e le tahlehelo, - e hlalosa Pol Erlih, mongoli oa thuto, bao diphetho ile ha hatisoa ka" ditsamaiso tsa Academy National of Sciences ". - Empa bonyane e le tsa bohlokoa (kapa bohlokoa le ho feta) tahlehelo ea baahi ba molao mefuta e. Ho lokela ho re, ke hobane'ng ha re tsotella baahi tsena. Ka mohlala, ho nyamela ha baahi ba linonyana, bo-'mankhane, le likokoanyana tse laola tse senyang lijalo, lebisa ho lahleheloa ke chelete e kenang ka temo. "

timetso ea baahi

Ka hona, le hoja mefuta e meng e ke ke ea boloka, bafuputsi lemosa hore ho ke ke ha fetola boemo bo, haeba u nyamela baahi bohlokoa. Ka mohlala, esita le haeba Mexico a lula le baahi e nyenyane ea mahe a linotsi notši e (ke hore, e tla ntse li le teng e le mefuta a), indasteri ea temo United States tla nne ho timetsoa, hobane o tla lahleheloa ke e 'ngoe ea fetisang phofshoana ena bohlokoa ka ho fetisisa.

"Ke ka lebaka leo le habohlokoa ho hlokomela hore ha ho felloa ke mefuta e mpe le haholo-holo ka etsolloa ketsahalo, ho lahleheloa ke baahi le baahi ba eona e na le phello ho feta senyang," - e tsoela pele ho Ehrlich.

Tahlehelo ea baahi tse hokahanyang ka ketane lijo - sena ke litaba tse se sebe, hobane bophelo ba lefatšeng le bothata. dikarolo tse ngata tsa lintho tse phelang tikolohong li nyamela butle-butle, ho fellang ka libaka tse mongobo ke ke ua khona ho hloekisa metsi le ho feta, 'me ho pholoha ha meru hore ho thibela meroallo, ke tšosoa. Nyamele ea baahi ke e boetse e selelekela ho fela, 'me ka hona lokela ho lefa tlhokomelo e eketsehileng ho kamoo palo ea liphoofolo tse ho tsona.