Eutrophication: Shin akwai ceto? Eutrophication ne ..

Yawa daga cikin mu yana zuwa duba hoton, a lokacin da zarar kyau kandami, ko wani lake Kuxin jũya a cikin wani mummuna kore slime. Abin da ya faru da wadannan ruwa jikin da za su iya taimaka wa ci gaba da} ire?

Wannan wanda ke lalata cikin ruwa yanayi

Kimiyance wannan cutarwa sabon abu ne ake kira eutrophication. Wannan kalma tana nufin "yalwa da abinci", watau tafki mai cike da nitrogen da phosphorus, wanda, bi da bi, ya tsokani wani "Bloom" na ruwa da kuma rage karfin inganci. Wannan wuce haddi na gina jiki da kuma na taimaka wa wani wuce kima faru na anaerobic kwayoyin. Duk da wannan take kaiwa zuwa wani rage oxygen a cikin ruwa, saboda abin da fara taro mutuwar kifi. Har ila yau, saboda overgrown algae tafkunan sauran shuke-shuke ba su samu isasshen hasken rana, don haka da cewa tsautsayi Flora.

Gurbacewar Sanadin

Sau da yawa eutrophication - dai kawai wani tsari na tsufa na lake. Domin daruruwan shekaru a kan kasa ana kullum ajiye silt, daga abin da kofin daina zama mai zurfi-teku. Saboda haka, da zarar cikin tsabta kandami jũya a cikin m cike da laka ruwa m ga kifi mazauninsu. Har ila yau, akwai irin wannan abu a matsayin hade eutrophication. A wannan yanayin, hanya na "kufai" Mutane da yawa dalilai taimakawa, kamar auku ganye, auku itatuwa, najasa, datti wucewa da kuma yawon bude ido. Amma wannan ba shine kawai tushen ruwa gurbatawa. Mutane da yawa ruwa sha kawai saboda mutum aiki. Wadannan matakai m yanayin da "mikewa" na shekaru dubbai, amma mutane sun iya bugun up su rikici da kuma a kawai 'yan shekarun da suka gabata. Dalilin da cewa shi ne m watsi da ammonia da nitrogen oxides.

effects

A Sanadin eutrophication, wanda aka ambata, kai da gaskiyar cewa a cikin ruwa-ruwa matsakaici fara bayyana iskar gina jiki. Su taimaka wa fitowan wadannan protsesov:

1. Rayayyun kwayoyin halitta a cikin ruwa fara mutuwa da kuma fada a kasa. Saboda da appreciable bazuwar a zurfin kusan vuya oxygen. Saboda wannan, da sauran kifin ma mutu, cewa an ƙaddamar da wani sabon sarkar, shi decomposes, oxygen vuya da kuma inganta eutrophication. Wannan bi da bi triggers da kusan babu ja tsari.
2. Ruwa zama duhu saboda bayyanar wani babban yawan plankton. Saboda wannan dalili, haske ne ba su iya samun zuwa kasa, don haka da cewa a zurfin Fade amfani shuke-shuke kududdufai. Ba tare da karkashin ruwa Flora oxygen ba za a iya kafa.
3. A lokacin bazara lokaci saboda gina jiki halin da ake ciki shi ne mafi rikitarwa, saboda sanyi ruwa mai gudãna a kan kasa da kuma saman zafi ba zai iya gauraya, don haka eutrophication ƙaruwa.
4. Kamar yadda yamma manyan yawan plankton fara sha oxygen radicals, depleting jikin ruwa da safe, kifi ya zauna ba tare da iska. Wannan ya nuna cewa shi ne mutuwa.
5. Idan jiki na ruwa ya kasance wani tushen ruwa ga yawan jama'a, a kan lokaci shi yana iya zama unusable. Wannan ya faru saboda gaskiyar cewa anaerobic tafiyar matakai taimakawa wajen bayyanar da mai guba abubuwa a cikin ruwa, kamar methane da hydrogen sulfide.

ãyõyin samu

Eutrophication na ruwa gawarwakin ne m da waje halaye. Bewafa exudes hankula "wuya" dandano da plaque bayyana a kan bãyan tẽkun. Zaka kuma iya lura bayyanar copious slime, "tsibiran" na algae Duckweed. Wannan kore tabo ruwa a wani m ya dafa. A kasan akwai wani lokacin farin ciki, da danko sosai, kuma m taro na Organic adibas. Idan ka bar tsari ga dama, kandami zai zama fadama, kuma grinds.

Marine da nitrogen

Abin baƙin ciki, wasu daga cikin teku, da kuma fallasa ga tareda žata effects. Kullum wadannan ruwa da dama a nitrogen daga kewaye, ƙasar da shi settles. Surface ruwa wanke daga ƙasa, kuma kawo wannan kashi a cikin teku. Wadannan yankunan yawanci mamaye a dumi sauyin yanayi, da kuma wannan tsokani farkon bazuwar kwayoyin kayayyakin.

tsirar

An sani cewa eutrophication - da tsari ba rama kudi. Shi ne iya daina, kuma sannu a hankali ta sake komawa kandami asalin yanayin kasa. Wannan ya shafi ba kawai a lokuta inda aiwatar da kufai a farkon sosai. Ko da tare da dogon lokaci "kamuwa da cuta" kududdufai iya da kansa "warke." Amma ga wannan akwai wani muhimmin yanayin. A yanayin kasa da aka koma idan nitrogen zuba aka shafe ko rage kamar yadda zai yiwu. Akwai sun kasance lokuta na dawo a lokacin da kandami na dogon lokaci saturate da nitrogen. Lokacin da cire wannan tushen a cikin ƙasa shi ne har yanzu babban adadin tara abu. Amma ciyayi bauta kamar wani impenetrable kafet, wanda bai ba wani detrimental tasiri a kan ruwa yanayin kasa. The lake ne a zahiri dawo dasu. Abin baƙin ciki kusa da koguna da tafkunan fara gizo ko quarrying, da kuma "m" Layer cewa an kare daga ruwa nitrogen, karye, kuma eutrophication aiwatar koma.

Yadda za a tsaftace tafkunan?

Idan wani kandami, ko wani lake Kuxin ne kananan, yana yiwuwa a kafa musamman tace. Yana da ban sha'awa cewa a baya shekaru, mutane zuba a cikin kasa na gurbata gawayi, wanda shi ne wani irin tace. Wannan hanya ya kasance partially nasara. Har ila yau ya kafa wani nazarin halittu Hanyar. A wannan yanayin, ruwa kara musamman kwayoyin cewa "ci" karin nitrogen da phosphorous. Amma domin wannan hanya ya kamata su gudanar da gwaje-gwaje da bincike na da ruwa, don haka ka san daidai abin da kwayoyin cuta ne da taimako. The uku wani zaɓi - shi ne don amfani da sunadarai da cewa ba ka damar normalize acid-alkaline balance. Kuma na karshe, mafi tsada hanya - shi ne ya shigar da na'urar da cewa cika da sararin ruwa da hasken ultraviolet. Su taimakawa ga cewa cutarwa kwayoyin rasa su ikon raba da kuma ƙarshe mutu.