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Tasirin muhalli na nutsewa

Daga Wikipedia, Insakulofidiya ta kyauta.
Masu nutsewa a cikin ruwa suna durƙusa a kasan murfin murjani yayin ciyar da kifi a John Pennekamp Coral Reef State Park- Key Largo, Florida

Tasirin muhalli na nutsewa na nishaɗi shine tasirin nutsewa a cikin Yanayin ruwa, wanda shine yawancin tasirin yawon shakatawa a kan yanayin ruwa. Ba sabon abu ba ne ga wuraren da aka yi garkuwa da su sosai don samun mummunar sakamako tare da alamun bayyanar tasirin tasirin nutsewa saboda yawancin masu nutsewa waɗanda ba a horar da su don isasshen ƙwarewa a cikin ƙwarewar da ake buƙata don yanayin gida, rashin isasshen yanayin nutsewa, ko rashin fahimtar asali game da bambancin halittu da daidaitattun yanayin halittu. Hakanan akwai yiwuwar sakamako mai kyau na kai tsaye yayin da al'ummomin yankin suka gane muhalli don zama mafi daraja a cikin yanayi mai kyau fiye da lalacewa ta hanyar amfani mara kyau, kuma Kokarin kiyayewa suna samun tallafi daga al'ummomi masu nutsewa waɗanda ke inganta wayar da kan jama'a game da muhalli, da kuma koyar da nutsewa mai tasiri kaɗan da mahimmancin girmama rayuwar ruwa. Har ila yau, akwai cibiyoyin sa ido na coral reef na duniya wanda ya haɗa da masu sa kai na gida da ke taimakawa wajen tattara bayanai don sa ido na kimiyya na tsarin coral reif, wanda zai iya samun tasiri mai kyau a kan muhalli.[1]

A cikin karni na 20 an yi la'akari da nutsewar ruwa don samun Tasirin muhalli gabaɗaya, kuma saboda haka yana ɗaya daga cikin ayyukan da aka ba da izini a yawancin wuraren da aka kiyaye na ruwa. Tun daga shekarun 1970s nutsewa ya canza daga aiki mai daraja zuwa nishaɗi mai sauƙi, ana tallata shi zuwa yawan jama'a. Har zuwa wani mataki an maye gurbin kayan aiki mafi kyau don horo mai tsauri, kuma raguwar haɗarin da aka fahimta ya rage mafi ƙarancin buƙatun horo ta hukumomin horo da yawa. Horarwar ta mayar da hankali kan haɗarin da ya dace ga mai nutsewa, kuma ya ba da hankali ga mahalli. Karin shahararren nutsewa da kuma damar yawon bude ido ga tsarin muhalli mai mahimmanci ya haifar da fahimtar cewa aikin na iya samun sakamako mai mahimmanci na muhalli.

Ruwa na ruwa ya karu da shahara a cikin karni na 21, kamar yadda yawan takaddun shaida da aka bayar a duk duniya suka nuna, wanda ya karu zuwa kusan miliyan 23 ta 2016 a kusan miliyan daya a kowace shekara. Yawon shakatawa na ruwa shine masana'antar ci gaba, kuma ya zama dole a yi la'akari da dorewar muhalli, saboda tasirin fadada masu nutsewa na iya shafar yanayin ruwa a hanyoyi da yawa. Har ila yau, tasirin ya dogara da takamaiman yanayi; coral reefs na wurare masu zafi suna da sauƙin lalacewa ta hanyar ƙwarewar nutsewa fiye da wasu reefs masu matsakaici, inda mahalli ya fi ƙarfi da juriya saboda yanayin teku na yau da kullun da ƙananan ƙwayoyin cuta masu saurin girma. Irin wannan yanayin teku mai daɗi wanda ke ba da damar ci gaba da yanayin muhalli mai sauƙi da bambancin gaske kuma yana jan hankalin mafi yawan masu yawon bude ido, gami da masu nutsewa da ba su da yawa, kawai a hutu, kuma ba su taɓa haɓaka ƙwarewar nutsewa cikin hanyar da ta dace da muhalli ba. Ana gwada dabarun daban-daban don kula da muhalli, a cikin ƙoƙari na cimma daidaituwa mai ɗorewa tsakanin kiyayewa da cinikin kasuwanci.

Tsayawa mai kyau na hulɗar benthos yana buƙatar motsawa mai dacewa, kuma gujewa mai nasara yana buƙatar ƙwarewar da ta dace. An nuna cewa horo na nutsewa mai tasiri yana da tasiri wajen rage hulɗar nutsewa a cikin masu nutsewa da suka dace. Kwarewa ta bayyana a matsayin mafi mahimmancin mahimmanci wajen bayyana halayyar masu nutsewa a karkashin ruwa, sannan kuma halin su game da nutsewa da muhalli, da kuma nau'Irin mutum.

Yanayin da ya shafi

[gyara sashe | gyara masomin]

Dukkanin mahalli na karkashin ruwa da masu nutsewa na nishaɗi ke yawan zuwa suna iya shafar su, amma ana lura da tasirin ya fi girma inda akwai adadi mai yawa na nutsewa ko mahalli yana da kwayoyin da ke da saurin girma ko tsarin da ke da kyau. Misalai mafi bayyane sune coral reefs na wurare masu zafi da koguna masu ambaliyar ruwa tare da speleothems masu rauni. An yi adadi mai yawa na karatu a kan coral reefs na wurare masu zafi yayin da aka ga matsin lamba a kansu ya fi girma. Coral reefs suna da wani lokaci suna gyara kansu, kuma suna ci gaba da lalacewa daga abubuwan da ba na mutum ba, don haka matakin karɓa na ci gaba da raguwa yana yiwuwa, wanda zai dace da yawan dawowar halitta. Speleothems na karkashin ruwa, da zarar sun fashe, ba sa sake farfadowa kwata-kwata yayin da kogon ya kasance cike da ruwa, kuma ya kasance ya fashe har abada, idan an yi la'akari da lokacin ɗan adam. Al'adun al'adu na karkashin ruwa a cikin nau'ikan abubuwan da suka faru a tarihi da wuraren tarihi suma suna iya fuskantar lalacewar da ba za a iya juyawa ba, amma yawanci suna ci gaba da lalacewa a kowane hali. Tasirin Diver yafi hanzarta abin da ba za a iya gujewa ba.

  1. Hammerton, Zan (2014). SCUBA-diver impacts and management strategies for subtropical marine protected areas (Thesis). Southern Cross University