Environmental hadarin.

Environmental hadarin - mai yiwuwa halayyar da barazanar zuwa biyu da yanayi da kuma ga mutum da kansa, a cikin hali na daban-daban adam tasirin ko wasu abubuwan da suka faru da kuma mamaki. Duk wani ecotoxicants - doubtless stressor. Environmental hadarin kima tanadi cewa stressor - shi ne wani tasiri: sinadaran, inji, ko filin, wanda ya haddasa wani canji a muhalli da kuma nazarin halittu tsarin, duka biyu korau da positive.

Environmental hadarin kima ra'ayi qunshi biyu abubuwa: Hadarin Assesment, ko kiman hadari, da kuma Hadarin Management, ko gudanar da hadarin. Hadarin kima ne ake kira da kimiyya bincike na asalin, ganewa da kuma tabbatar da dalilin da matakin na hadarin hatsari a cikin wannan halin da ake ciki musamman. A ra'ayi na "muhalli hadarin" yana nufin tushen hatsarin barazana da takamaiman muhalli tsarin ko aiwatar da cewa yana daukan wuri. A muhalli yi na lalacewa - halakar biota, cutarwa, watakila ma babu ja tasiri a kan muhalli tsarin, muhalli, wanda shi ne alaka da karuwa da ta gurbatawa, ya karu da ya faru na daban-daban musamman cututtuka, da asarar manyan halitta fasali, kamar tabkuna, tekuna, da waɗansu kõguna, gandun daji da sauransu.

Environmental hadarin gudanar iya tsayayya. A saboda wannan dalili ya zama dole don bincika sosai farkon hadarin halin da ake ciki, da kuma wajen samar da sauti management yanke shawara a cikin wani nau'i na doka ko ka'ida da cewa ne da nufin rage hadarin, ko don nemo hanyoyin da za a rage shi.

A ka'idar muhalli hadarin Forms da ka'idojin cewa faye hali adam al'umma ta hali zuwa bukatar tabbatar da matsala-free aiki na fasaha abubuwa kamar yadda kafofin na ƙãra muhalli hadura:

1) The sifili muhalli hadarin: Wannan manufa nuna mutane ta amince da rashin yiwuwar lalacewar da abu.

2) m kimantawa zuwa cikakken da cikakken aminci ko sifili hadarin: ya shafi gudanar da bincike a wannan filin a kan yin amfani da fasahar da cewa rage wannan hadarin.

3) A m muhalli hadarin: wannan hadarin matakin, a kalla za a iya cimma a kan tushen da manufa na gaskata dukkan halin kaka don kariya daga mutum tsaro.

4) daidaita hadarin. Bisa wannan ka'ida ne da za'ayi la'akari wani halitta hadura da anthropogenic tasirin, hadarin nazarin kowane daga cikin abubuwan da suka faru da kuma yanayi a karkashin abin da mutum ya iya jeopardized.

5) m hadarin. Wannan manufa ta dogara ne a kan bincike na da rabo daga halin kaka da kuma kasada, ko amfani da kasada, ko ta halin kaka kuma amfanin. Wannan ra'ayi ya zo daga gaskiyar cewa gaba daya kawar da hadarin ko tattalin arziki marasa amfani baki ɗaya, ko impracticable, sabili da haka, wajibi ne a kafa wani m tsaro matakin a wadda ta halin kaka suna gyara don rage yiwuwar hadarin da kuma girman da lalacewar yiwu a taron na gaggawa.

A mataki na farko na kusantar hadarin kima - shi ne su gane da real hatsari ga mutane da kuma ga muhalli. A wannan mataki, taka muhimmiyar rawa bincike. Hazard ganewa na nufin gano ta siginar da ta rabuwa daga baya.

A karo na biyu mataki assesses da daukan hotuna, watau ganewa na hanyar da, ta hanyar wani matsakaici, a wani adadin, daidai lokacin da kuma yadda lokacin kiranka na da tasiri za ta zama.

Na uku - kimantawa da kashi-sakamako dangantaka - da definition gwada yawa dokokin cewa links samun wani kashi na cutarwa abubuwa da yiwuwar m kiwon lafiya sakamakon.

Kuma karo na hudu - sakamakon duk baya wadanda, hadarin hali. Yana hada da wani kima da duk gano da kuma m illa a lafiyar dan adam.