Results 21 to 30 of about 650,176 (246)

Influence of Algal Production and Decomposition on the Carbon Isotope Signature of Labile Particulate Organic Matter on a Productive Continental Shelf Under the Stress of Coastal Hypoxia

open access: yesFrontiers in Marine Science, 2020
To better understand the sources and recycling of labile organic matter in coastal water, we studied the carbon isotope signature of particulate organic carbon (POC) and particulate amino acids, a major group of labile organic compounds, on the shelf of ...
Zixiang Yang   +8 more
doaj   +1 more source

Carbon and nitrogen stocks in a Rhodic Nitisol under different tillage methods and mineral and organic fertilizers [PDF]

open access: yesRevista Brasileira de Ciência do Solo, 2023
Changes in soil management, for example by more vigorous crops, adoption of conservation tillage and optimization of fertilization, can increase soil organic carbon (SOC) and total nitrogen (TN) stocks.
Camila Rosana Wuaden   +4 more
doaj   +1 more source

Tiny is mighty: seagrass beds have a large role in the export of organic material in the tropical coastal zone. [PDF]

open access: yesPLoS ONE, 2014
Ecosystems in the tropical coastal zone exchange particulate organic matter (POM) with adjacent systems, but differences in this function among ecosystems remain poorly quantified.
Lucy G Gillis   +6 more
doaj   +1 more source

Plant-Bacteria Interactions for the Elimination of Atmospheric Contaminants in Cities

open access: yesAgronomy, 2021
One of the major health risks for humans, especially for those living in large cities, is air pollution. Air pollution consists mainly of emissions of particulate matter (PM), nitrogen oxides, sulphur dioxide, ammonia and volatile organic compounds (VOCs)
Lázaro Molina   +3 more
doaj   +1 more source

Conceptualizing soil organic matter into particulate and mineral‐associated forms to address global change in the 21st century

open access: yesGlobal Change Biology, 2019
Managing soil organic matter (SOM) stocks to address global change challenges requires well‐substantiated knowledge of SOM behavior that can be clearly communicated between scientists, management practitioners, and policy makers.
J. Lavallee   +2 more
semanticscholar   +1 more source

Assessment of Soil Aggradation through Soil Aggregation and Particulate Organic Matter by Riparian Switchgrass Buffers

open access: yesAgronomy, 2017
The restoration of riparian zones has been an important issue in many regions for the recovery of ecosystem functions. The objective of this study was to assess soil aggradation in a 7-year established riparian switchgrass buffer (SGB) and in a non ...
Carmen O. Márquez   +3 more
doaj   +1 more source

Organic carbon transport and C/N ratio variations in a large tropical river: Godavari as a case study, India [PDF]

open access: yes, 2005
This study gives an insight into the source of organic carbon and nitrogen in the Godavari river and its tributaries, the yield of organic carbon from the catchment, seasonal variability in their concentration and the ultimate flux of organic and ...
Balakrishna, Keshava, Probst, Jean-Luc
core   +2 more sources

Organic atmospheric particulate material [PDF]

open access: yes, 2003
Carbonaceous compounds comprise a substantial fraction of atmospheric particulate matter (PM). Particulate organic material can be emitted directly into the atmosphere or formed in the atmosphere when the oxidation products of certain volatile organic ...
Pankow, John F., Seinfeld, John H.
core   +1 more source

A summer time series of particulate carbon in the air and snow at Summit, Greenland [PDF]

open access: yes, 2007
Carbonaceous particulate matter is ubiquitous in the lower atmosphere, produced by natural and anthropogenic sources and transported to distant regions, including the pristine and climate-sensitive Greenland Ice Sheet.
Bergin, M   +3 more
core   +2 more sources

Isotopic and biochemical composition of particulate organic matter in a shallow water estuary (Great Ouse, North Sea, England) [PDF]

open access: yes, 1993
The biogeochemistry of particulate organic matter was studied in the Great Ouse estuary draining to the North Sea embayement known as the Wash from March 1990 to January 1991.
Dennis, P.   +3 more
core   +1 more source

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