Tsvagiridzo yakaona kuti kuvapo kwemapollinator uye zvipembenene zvinobatsira zvinopa gohwo, izvo zvinobatsira mukuita purofiti, nepo nzvimbo dzinogadziriswa nenzvimbo dzine huswa dzichichengeta kabhoni. Wetlands inopa pekugara uye inochengetera mvura yekumutsiridza mvura yemumvura nekuvandudza mhando yemvura. Mumwe musayendisiti weYunivhesiti yeCalgary anoti minda ine zvinyoro kana gwenzi zvine zvibereko kupfuura varimi vazhinji vanofunga.
Paul Galpern angade kuona akawanda akashata minda.
Yunivhesiti yeCalgary landscape ecologist uye musayendisiti wedata akati minda ine matope kana musango inobereka pane varimi vazhinji vanofunga. Tsvagiridzo yake yakaratidza izvi.
"Nzvimbo dzine huni, materu, mafuro, nzvimbo dzekugara, idzi inzvimbo dzesango, dzandinoti idzo nzvimbo dzakashata, uye nzvimbo dzinogona kuitirwa mupiro wechisikirwo kuvanhu," akadaro panguva yemusangano chaiwo wakarongwa naJohnson Shoyama Graduate Chikoro yePublic Policy paYunivhesiti yeSaskatchewan uye University of Regina. Galpern akati iyo pfungwa inogona kunge iri nani kuzivikanwa se ecosystem services. Zviri pamusoro pekugona kwenzvimbo idzi kuti dzibatsire munharaunda. Maitiro ekukurudzira varimi kuti vachengete nzvimbo dzakashata, zvakadaro, inhaurirano inoenderera.
Kushanda murabhoritari yake kwakaratidza kuti kuvapo kwezvipembenene uye zvipembenene zvinobatsira zvinopa goho, izvo zvinobatsira mukuita purofiti. Nzvimbo dzakapetwa uye nzvimbo dzine huswa dzose dzinochengeta kabhoni. Wetlands inopa pekugara uye inochengetera mvura yekumutsiridza mvura yemumvura nekuvandudza mhando yemvura. "Varimi vanoda kubvisa zvinhu zvakaita sematope, zvigamba zvemusango, mitsara yefenzi uye mafuro eminda nekuti vanopinda munzira," akadaro Galpern. "Vanoda mitsara yakatwasuka."
Asi vakati pane purofiti inoitwa nekuvasiya, kana kubva mukugadzira nzvimbo nyowani dzinotyisa pamarginal ivhu izvo zvaisazoda mari yekupinza kurima goho. Larry Durand, agrologist kuFarm Good Economics muHumboldt, Sask., Akati chidzidzo cheakaitika nemutengi chakawana izvo chaizvo mhedzisiro. Yaisanganisira munda unosvika 627-acre uyo wakaburitsa makumi matanhatu emabhureki pahekita yegorosi yegore munzvimbo zhinji, asi zero mune chakakosha munyu uye 60 bu. paekare padhuze neiyo.
Uchishandisa gwara rehurumende yehurumende yekuronga goho renzvimbo yevhu dema panguva iyoyo, avhareji inotarisirwa goho yaive 65 bu. paeka nepo mitengo yaive madhora 238.93 paeka. Pamutengo we $ 6.42 pa bu., Mari yakawandisa yaisiyana kubva pa $ 415.37 paeka pa nyika inogadzirwa zvakanaka, pasi kusvika $ 160.50 pa 25 bu.-per-acre chigamba, kusvika zero uko pasina chirimwa chakakura zvachose. Izvo zvakakonzera kuwana mari ye $ 176.44, kurasikirwa kwe $ 78.43, uye kurasikirwa kwe $ 238.93 mune matatu mamiriro ezvinhu.
Iyo kesi yekudzidza yaisanganisira kubvisa iyo nzvimbo isingabudirire uye kuidyara kune huswa hunoshivira munyu. Mepu yevhu, mvura uye topography (SWAT) yakaratidza nzvimbo yakaipa kwazvo uye maeka makumi mashanu akabviswa kuita munda 50 maeka. Aya maeka makumi mashanu akadyarwa kufura. Yaisanganisira munda unosvika 577-acre uyo wakaburitsa makumi matanhatu emabhureki pahekita yegorosi yegore munzvimbo zhinji, asi zero mune chakakosha munyu uye 50 bu. paekare padhuze neiyo.
Uchishandisa gwara rehurumende yehurumende yekuronga goho renzvimbo yevhu dema panguva iyoyo, avhareji inotarisirwa goho yaive 65 bu. paeka nepo mitengo yaive madhora 238.93 paeka. Pamutengo we $ 6.42 pa bu., Mari yakawandisa yaisiyana kubva pa $ 415.37 paeka pa nyika inogadzirwa zvakanaka, pasi kusvika $ 160.50 pa 25 bu.-per-acre chigamba, kusvika zero uko pasina chirimwa chakakura zvachose. Izvo zvakakonzera kuwana mari ye $ 176.44, kurasikirwa kwe $ 78.43, uye kurasikirwa kwe $ 238.93 mune matatu mamiriro ezvinhu.
Iyo kesi yekudzidza yaisanganisira kubvisa iyo nzvimbo isingabudirire uye kuidyara kune huswa hunoshivira munyu. Mepu yevhu, mvura uye topography (SWAT) yakaratidza nzvimbo yakaipa kwazvo uye maeka makumi mashanu akabviswa kuita munda 50 maeka. Aya maeka makumi mashanu akadyarwa kufura. Durand akati goho rinokwira kubva pa577 kusvika ku50 bu. paekare nekuti nzvimbo dzakaipisisa dzaenda. Nekudaro, kune maeka mashoma saka mari yakazara inodonha neinenge $ 65 pamusoro pemunda.
"Tine madhora zviuru zvishanu zvemadhora ekushambadza pakupera kwegore," akadaro. "Zvisinei, patinoenda kumubhadharo wekushandisa chikamu cheiyo equation tiri kubva pamadhora zana nemakumi mashanu ezviuru kusvika pamadhora mazana masere nemazana masere ezviuru, saka tiri kunyatso chengetedza madhora zviuru gumi nemazana emamiriyoni emadhora pano kuti tibatsirwe madhora mazana matanhatu nemazana matanhatu pane chikamu chimwe ichi." Iyo inenge madhora 5,000 paeka imwe kubatsirwa.
Durand akamhanyisa manhamba ezvimwe zvirimwa uye akawana zvakafanana. Kune canola, bhenefiti yacho ingangoita madhora zviuru gumi nemazana mashanu kana $ 10,500 paeka, nepo pabhari ingangoita madhora mazana manomwe nemazana matatu kana madhora 16.84 paeka. Pizi dzeyero dzakaratidza huwandu hwenzvimbo yekubatsira ingangoita $ 7,300 kana $ 11.61 paeka. Durand akati izvi zvinoratidza kuti kutora mahekita makumi mashanu nekuudyara pahuswa kunounza mabhenefiti ezvakatipoteredza seaya akanyorwa naGalpern.
Akataura chisingaperi chivharo padyo nemasuo emunda, semuenzaniso, inogona kuve yakanaka manejimendi yekushandisa kurwisa clubroot. "Kazhinji kacho nzvimbo dzine munyu idzi ndipo panowanikwa sora dzakaita sekochia nebhaweti yechinyakare idambudziko saka munogona kutarisira huswa ihwohwo nekuita huswa hwakarimwa imomo," akadaro Durand. "Zvinomera zvinobereka zvakawanda zvinogona kudhonza pasi tafura yemvura uye nekudzikisa pasi munyu uyo uye kugadzirisa nyika iyoyo." Galpern akati tsvagiridzo yake muAlberta yese yezvibereko data kubva kumatanhatu emakore akasiyana akawana minda iine "zvinhu zvakashata" zvishoma zvine zvibereko.
"Vaive nezvibereko zvakakwirira paeka," akadaro. "Minda yeCanola, minda yegorosi, minda yebhari, pizi uye oat minda, zvese zvine mhedzisiro yekuva nezvinhu zvisina kurimwa muminda yavo." Vakati varimi vane hanya nekusimudzira asi vanofanirwa kuita mari. “Iri rezinesi rekushandira. Kana iwe uchikwanisa kuratidza kuti basa rako rakasimba uye pamwe nzvimbo idzi dzinovandudza purofiti yako, nekukasira isu tine nyaya yezvehupfumi yekuvandudza mabasa eecosystems epasi rino, ”akadaro.