Atmospheric wet deposition of nitrogen and sulfur in the agroecosystem in developing and developed areas of Southeastern China
作者： Jian Cui , Jing Zhou , Ying Peng , Yuanqiu He , Hao Yang
DOI: 10.1016/J.ATMOSENV.2014.02.007
关键词:
摘要: Atmospheric nitrogen (N) and sulfur (S) deposition is a significant growing issue for ecological environment in many parts of the world such as China. However, study on atmospheric deposition, especially N still at initial stage usually neglected agro-ecosystems. To assess characteristics S wet agro-ecosystems, we selected Yingtan Station (YTS) located developing area Changshu (CSS) developed typical, agricultural sites Southeastern China during 2010–2011. In two areas, total were ranges 30.49–37.37 kg ha−1 year−1 N 56.02–59.06 kg ha−1 year−1 S, respectively, surpassing their corresponding critical loads The annual means NH4+–N, NO3−–N dissolved organic (DON) contributed 49.6%, 26.4% 24.0% respectively. Similar data observed sites, but species, DON, different due to numbers slaughter pigs types fertilizers applied. conclusion, DON was identified an important contributor should also be monitored future. Such high would deteriorate agroecosystems Related political measures livestock industries, managements motor vehicles technologies coal oil combustion improved timely implemented effectively reducing regional emission
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