Results 241 to 250 of about 1,677,076 (289)

Effects of nitrogen deposition on soil nitrogen fractions and enzyme activities in wet meadow of the Qinghai-Tibet Plateau. [PDF]

Sci Rep
Wu J, Wang H, Li G, Chen N.
europepmc   +1 more source

Effects of Biological Nitrogen Fixation and Nitrogen Deposition on Soil Microbial Communities in Karst Grassland Ecosystems. [PDF]

Microorganisms
Liu X, Yang R, Zhao J, Xiao D, He X, Zhang W, Wang K, Chen H.   +7 more
europepmc   +1 more source

Changes in the Phylogenetic Structure of Alpine Grassland Plant Communities on the Qinghai-Tibetan Plateau with Long-Term Nitrogen Deposition. [PDF]

Plants (Basel)
Liu Y, Shen H, Dong S, Xiao J, Zhang R, Zuo H, Zhang Y, Wu M, He F, Ma C.   +9 more
europepmc   +1 more source

Phosphate addition intensifies the increase in N₂O emission under nitrogen deposition in wet meadows of the Qinghai-Tibet Plateau. [PDF]

Front Microbiol
Wu J, Wang H, Li G.
europepmc   +1 more source

Atmospheric and depositional nitrogen monitoring

Cape, J.N., Tang, Y.S., Smith, R.I., Sutton, M.A., Nemitz, E., Famulari, D., Fowler, D.   +6 more
openaire   +1 more source

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Nitrogen Deposition in and near an Urban Ecosystem

Environmental Science & Technology, 2013
Excess nitrogen (N) is a serious water-quality problem in most of the estuaries in the United States, especially those downstream of developed coastal basins. Understanding sources of N is a key first step in managing and mitigating N pollution. While the major sources of this N, atmospheric deposition, wastewater, fertilizer, and other agricultural ...
Neil D, Bettez, Peter M, Groffman
openaire   +4 more sources

Changes of nitrogen deposition in China from 1980 to 2018 [PDF]

Environment International, 2020
China has experienced a dramatic change in atmospheric reactive nitrogen (Nr) emissions over the past four decades. However, it remains unclear how nitrogen (N) deposition has responded to increases and/or decreases in Nr emissions.
Wen Xu, Zhong Buqing, Fusuo Zhang
exaly   +2 more sources

Depositions of Nitrogen on NiTi Instruments

Journal of Endodontics, 2002
This study was designed to obtain nitrogen-rich layers on the surfaces of endodontic files made of nickel-titanium (NiTi) alloy by chemical vapor deposition. Experimental samples (GT rotary instruments) were deposited by using two different methods.
TRIPI, Teresa Roberta, Bonaccorso A, Rapisarda E, Tripi V, CONDORELLI, Guglielmo Guido, Marino R, Fragala I.   +6 more
openaire   +4 more sources

Bioindicators of enhanced nitrogen deposition

Environmental Pollution, 2003
Increased deposition of atmospheric N largely from intensive agriculture is affecting biodiversity and the composition of natural and semi-natural vegetation in Europe. The value of species based bioindicators such as the Ellenberg N index and measurements of total tissue N and free amino acids in key plant species, is described with reference to a ...
Pitcairn, C E R, Fowler, D., Leith, I. D., Sheppard, L. J., Sutton, M. A., Kennedy, V, Okello, E   +6 more
openaire   +4 more sources

Nitrogen deposition in Mediterranean forests

Environmental Pollution, 2002
Atmospheric deposition of inorganic nitrogen was studied at two forested sites in the Montseny mountains (northeast Spain), peripheral to the Barcelona conurbation, and at a nearby lowland town, using bulk deposition, wet-only deposition, throughfall, and dry deposition inferred from branch-washes and surrogate surfaces (metacrylate plates).
F, Rodà, A, Avila, A, Rodrigo
openaire   +2 more sources