Ruwan gurabatattun Robobi

Ruwan gurbatattun robobi wani nau'i ne na gurɓataccen ruwa ta hanyar robobi, wanda ya bambanta da girman girman daga manyan kayan asali kamar kwalabe,da jaka, har zuwa microplastics da aka samo daga rarrabuwar kayan filastik. tarkacen ruwa an fi zubar da dattin ɗan adam wanda ke yawo a kai, ko kuma aka dakatar da shi a cikin teku. Kashi tamanin na tarkacen ruwa robobi ne. matsalolin Microplastics da nanoplastics suna haifar da lalacewa ko lalatawar sharar filastik a cikin ruwan saman, koguna ko tekuna. Kwanan nan, masana kimiyya sun gano nanoplastics a cikin dusar ƙanƙara mai yawa, musamman game da tan 3000, da ke rufe Switzerland kowace shekara. An yi kiyasin cewa akwai tarin tarkacen ruwan robobi na tan miliyan 86, a cikin tekun duniya ya zuwa karshen shekarar 2013, inda aka yi zaton kashi 1.4% na robobin da ake samarwa a duniya daga 1950, zuwa 2013, sun shiga, cikin tekun kuma sun taru a can. An ƙiyasta cewa tan miliyan 19-23, na robobi na zubewa cikin halittun ruwa a cikin shekara. Taron Majalisar Ɗinkin Duniya na Tekun 2017, ya kiyasta cewa tekuna na iya ƙunsar nauyi a cikin robobi fiye da kifi nan da shekara ta 2050. Tekuna suna gurɓatar da ɓarbashi na robobi masu girma daga manyan kayan asali kamar kwalabe da jakunkuna, har zuwa microplastics da aka samu daga rarrabuwar kayan filastik. Wannan abu yana raguwa a hankali ko kuma an cire shi daga cikin teku don haka barbashi na robobi a yanzu sun yaɗu a ko'ina cikin tekun kuma an san suna da illa ga rayuwar halittun ruwa. Jakunkuna na robobi da aka jefar, zoben fakiti guda shida, buhunan sigari da sauran nau'ikan sharar robobi da suka ƙare a cikin teku suna ba da haɗari ga namun daji da kamun kifi. Ana iya yin barazana ga rayuwar ruwa ta hanyar ruɗewa, shaƙewa, da sha.ref>Six pack rings hazard to wildlife Archived 13 Oktoba 2016 at the Wayback Machine. helpwildlife.com Tarun kamun kifi, wanda yawanci aka yi da filastik, masunta za su iya barin ko ɓace a cikin teku. An san shi da ragamar fatalwa, waɗannan kifaye masu haɗaka, dolphins, kunkuru na teku, sharks, dugongs, crocodiles, tsuntsayen teku, kaguwa, da sauran halittu, suna hana motsi, haifar da yunwa, laceration, kamuwa da cuta, kuma, a cikin waɗanda suke buƙatar komawa saman zuwa ga numfashi, shaƙewa. Akwai nau'ikan robobin teku daban-daban da ke haifar da matsala ga ruwa. An gano kwalabe a cikin kunkuru da tsuntsayen teku, waɗanda suka mutu saboda toshewar hanyoyin numfashi da na narkewar abinci. Rukunin fatalwa kuma nau'in robobin teku ne mai matsala saboda suna iya ci gaba da kama rayuwar ruwa a cikin tsarin da aka sani da "fatalwa kifi". Mafi girma 10, da ke fitar da gurɓacewar filastik teku a duniya, daga mafi ƙanƙanta, China, Indonesia, Philippines, Vietnam, Sri Lanka, Thailand, Masar, Malaysia, Nigeria, da Bangladesh, sun fi girma ta cikin kogin Yangtze, Indus., Yellow, Hai, Nile, Ganges, Pearl, Amur, Niger, and the Mekong, da kuma lissafin kashi 90 cikin 100, na dukkan robobin da ke isa tekunan duniya. Asiya ita ce kan gaba wajen samar da sharar robobi da ba a sarrafa ba, inda China kaɗai ke da nauyin metric ton miliyan 2.4. Filastik suna taruwa ne saboda ba sa lalacewa kamar yadda sauran abubuwa ke yi. Za su yi photodegrade a kan fallasa rana, amma suna yin haka da kyau kawai a ƙarƙashin yanayin bushe, kuma ruwa yana hana wannan tsari. A cikin mahalli na ruwa, robobin da aka lalatar da su yana tarwatsewa zuwa ƙananan ƙananan guda yayin da sauran polymers, har zuwa matakin ƙwayoyin cuta. Lokacin da ɓarbashi na filastik masu iyo suna yin hoto zuwa girman zooplankton, jellyfish yayi ƙoƙarin cinye su, kuma ta wannan hanyar filastik ta shiga cikin sarkar abinci na teku. Magani ga gurɓataccen filastik na ruwa, tare da gurɓataccen filastik a cikin yanayin gaba ɗaya za a haɗa su tare da canje-canje a cikin masana'antu da ayyukan marufi, da raguwar amfani, musamman, samfuran filastik guda ɗaya ko gajere. Akwai ra'ayoyi da yawa don tsaftace robobi a cikin tekuna ciki har da tarko ɓarɓashi na robobi a bakin kogi kafin shiga cikin teku, da kuma tsaftace magudanar ruwa.