Human activities have more than doubled the amount of nitrogen(N) circulating in the biosphere. One major pathway of thisanthropogenic N input into ecosystems has been increased regionaldeposition from the atmosphere.
Links:
[1] http://admin.indiaenvironmentportal.org.in/feature-article/shifts-lake-np-stoichiometry-and-nutrient-limitation-driven-atmospheric-nitrogen
[2] http://admin.indiaenvironmentportal.org.in/category/author/james-j-elser
[3] http://admin.indiaenvironmentportal.org.in/category/author/tom-andersen
[4] http://admin.indiaenvironmentportal.org.in/category/author/jill-s-baron-et-al
[5] http://admin.indiaenvironmentportal.org.in/category/journal/science
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/oxides-nitrogen-nox
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/ecosystems
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/atmosphere
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/lakes
[10] http://admin.indiaenvironmentportal.org.in/category/thesaurus/norway
[11] http://admin.indiaenvironmentportal.org.in/category/thesaurus/sweden
[12] http://admin.indiaenvironmentportal.org.in/category/thesaurus/united-states-america-us
[13] http://admin.indiaenvironmentportal.org.in/category/thesaurus/colorado
[14] http://admin.indiaenvironmentportal.org.in/category/thesaurus/atmosphere-and-ozone-layer