(Sai da magungunan kashe qwari, Oktoba 1, 2019) A cewar wani binciken da aka buga a cikin “Chemosphere”, magungunan kashe qwari da aka saba amfani da su na iya haifar da amsawar cascade na trophic, wanda ke haifar da haɓakar algae.Kodayake hanyoyin kula da magungunan kashe qwari na yanzu a Amurka suna mai da hankali kan tsananin guba na magungunan kashe qwari kuma suna iya yin la’akari da wasu abubuwan da ke faruwa na yau da kullun, ainihin rikitaccen yanayin da aka kwatanta a cikin wannan binciken ba a sake duba shi ba.Matsalolin da ke cikin kimar mu ba kawai zai haifar da mummunar illa ga nau'ikan mutum ɗaya ba, har ma ga dukkan yanayin halittu.
Masu bincike sun binciki yadda fungal parasites da ake kira chytrids ke sarrafa ci gaban phytoplankton.Kodayake wasu nau'ikan chytrid sun shahara saboda tasirinsu akan nau'in kwadi, wasu a zahiri suna ba da mahimman wuraren tsayawa a cikin yanayin yanayin.
Mai bincike na IGB Dr. Ramsy Agha ya ce: "Ta hanyar kamuwa da cyanobacteria, fungi na parasitic zai takaita girma, ta yadda zai rage faruwa da tsananin furannin algal masu guba.""Ko da yake yawanci muna tunanin cutar a matsayin mummunan al'amari, ƙwayoyin cuta suna da mahimmanci ga ilimin halittu na ruwa Aikin da ya dace na tsarin yana da matukar muhimmanci, kuma a wannan yanayin na iya samun sakamako mai kyau.Masu binciken sun kara da cewa gurbatar yanayi da kwayoyin fungicides ke haifarwa na iya yin katsalandan ga wannan tsari na dabi'a.
A cikin dakin gwaje-gwaje, an gwada magungunan fungicides penbutaconazole da azoxystrobin a kan cyanobacteria waɗanda suka kamu da chyle da furanni masu guba.An kuma kafa ƙungiyar sarrafawa don kwatanta tasirin.A abubuwan da zasu iya faruwa a cikin ainihin duniya, hulɗar magungunan kashe qwari guda biyu zai haifar da raguwa mai yawa a cikin cututtukan cututtuka na filarial parasite.
Wadannan sakamakon sun nuna cewa yin amfani da magungunan kashe qwari na iya inganta ci gaban algae masu cutarwa ta hanyar hana ƙwayoyin cuta na fungal, kuma ƙwayoyin fungal na iya sarrafa ci gaban su.
Wannan dai ba shi ne karon farko da magungunan kashe qwari ke shiga cikin haifuwar algae mai cutarwa ba.Wani binciken da aka buga a mujallar Nature a shekara ta 2008 ya gano cewa maganin herbicide attriazine na iya kashe algae na planktonic kai tsaye, wanda hakan ya sa algae ɗin da ke haɗe su girma daga sarrafawa.A cikin wannan binciken, masu binciken sun sami wasu tasiri akan matakin muhalli.Girman algae da aka haɗe yana haifar da karuwa a cikin yawan katantanwa, wanda zai iya cutar da amphibian parasites.A sakamakon haka, ƙarin katantanwa da babban nauyin ƙwayar cuta yana haifar da yawan kamuwa da cuta a cikin yawan kwaɗin gida, wanda ke haifar da raguwa a cikin yawan jama'a.
Bayan magungunan kashe qwari yana aiki don wayar da kan jama'a game da rashin fahimta amma mahimmancin tasirin yanayin muhalli na amfani da magungunan kashe qwari.Kamar yadda muka nuna a cikin binciken da aka buga a makon da ya gabata, binciken ya kiyasta cewa an yi asarar tsuntsaye biliyan 3 tun daga shekara ta 1970, wanda ya kai kashi 30% na yawan jama'ar Amurka.Rahoton ba kawai rahoton kan tsuntsaye ba ne, yana da game da , Hooworms da CAD ƙi rahotanni, samar da abinci yanar gizo na tushen nau'in.
Kamar yadda marubuciyar binciken Dr. Justyna Wolinska ta yi nuni da cewa: “Yayin da noman fungi a cikin ruwa a dakunan gwaje-gwajen kimiyya ke ci gaba da inganta, ya kamata a yi la’akari da tasirin magungunan kashe kwayoyin cuta a cikin ruwa.”Ba lallai ba ne kawai a yi la'akari da batutuwan da bincike na yanzu ya taso., Amma kuma ya kamata a yi la'akari da tasirin amfani da magungunan kashe qwari a kaikaice.
Don ƙarin bayani kan yadda abubuwan kashe qwari ke shafar duk gidan yanar gizon abinci da yanayin muhalli, duba Bayan magungunan kashe qwari.Yin amfani da magungunan kashe qwari yana barazana ga manyan nau'ikan halittu a cikin yanayin yanayin gaba ɗaya.