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NTIS 바로가기생태와 환경 = Korean journal of ecology and environment, v.49 no.1, 2016년, pp.1 - 10
조영일 (평택대학교 환경융합시스템학과) , 강혜순 (성신여자대학교 생명과학.화학부) , 전의찬 (세종대학교 환경에너지공간융합학과)
The increases of industrial and technological development and human activities have disturbed the balance of natural nitrogen (N) circulation. These phenomena have induced that large amounts of N are to be present in excess in air, soil and water environment. We investigated the effects of excess of...
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핵심어 | 질문 | 논문에서 추출한 답변 |
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질소는 무엇인가? | 질소 (N, nitrogen)는 비금속 화학 원소로 지구의 대기, 지표, 수계 및 생명체 등에 존재하며 질소기체 (N 2) 부피 기준으로 약 78.09%가 지구의 대기에 존재하는 것으로 알려져 있다 (Considine, 2005). 질소는 질산 (HNO3), 암모니아 (NH3), 암모늄 이온 (NH4+), 질산성 질소 (NO3--N), 아질 산성 질소 (NO2--N), 질소산화물 (NOx), 유기질소 등과 같이 화학적으로 불안정하고 반응성이 높은 질소 (Reactive nitrogen, Nr)화합물의 형태로 존재하여 (Parker, 1993) 대기,토양 및 물 환경 생태계를 통해 다양한 종류의 형태로 질소 순환이 이루어지며 인위적인 환경 요인이 없을 경우 자연의 기본적인 순환 과정으로 균형을 이루고 있다. | |
질소는 어떠한 형태로 존재하는가? | 09%가 지구의 대기에 존재하는 것으로 알려져 있다 (Considine, 2005). 질소는 질산 (HNO3), 암모니아 (NH3), 암모늄 이온 (NH4+), 질산성 질소 (NO3--N), 아질 산성 질소 (NO2--N), 질소산화물 (NOx), 유기질소 등과 같이 화학적으로 불안정하고 반응성이 높은 질소 (Reactive nitrogen, Nr)화합물의 형태로 존재하여 (Parker, 1993) 대기,토양 및 물 환경 생태계를 통해 다양한 종류의 형태로 질소 순환이 이루어지며 인위적인 환경 요인이 없을 경우 자연의 기본적인 순환 과정으로 균형을 이루고 있다. | |
질소산화물 과잉 공급의, 원인과 부작용은 무엇인가? | , 2011; The Ministry of Environment of the Republic of Korea, 2014d).온실가스 증가에 의한 대기오염과 비료 등의 사용으로 인한 반응성 질소화합물의 과잉은 직접 또는 간접적으로 토양 및 토양수의 산성화 (산성 침적의 영향)와 지하수 오염(비료 사용 및 토양 산성화 영향 등)을 유발한다 (Cho et al., 2009, 2010). 이렇게 축적된 반응성 질소화합물은 호소 또는 하천을 경유하여 바다로 유출되는데 이러한 과정 에서 호소, 하천 및 해역의 부영양화와 저층의 빈산소화, 영양물질의 불균형 현상 등을 유발하며 지역 생태계의 건강과 생물다양성 감소를 초래한다 (Galloway et al., 2003;United Nations Environment Programme, 2007). |
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