Composition of Organic Matter
A paleoenvironmental reconstruction of the last 15 000 cal yr BP via Yellow Sea sediments using biomarkers and isotopic composition of organic matter
... exposure of the Yellow Sea during the glacial period might have contributed to the formation of sand ridges, thereby explaining why both δ 13 C org and the C/N ratio indicated a terrigenous source of ...
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Effects of soil organic matter properties and microbial community composition on enzyme activities in cryoturbated arctic soils.
... control of the microbial community composition over enzyme activities and decomposition processes might not only be of relevance for decomposition of cryoturbated material in arctic ...
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Sampling and structural characterization of natural organic matter of thermokarst lakes
... type of sampling system depends heavily on the compounds or elements to be ...types of glass release silicon, sodium and boron, and therefore they are unsuitable when those elements are to be ...case ...
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Dynamics of Allochthonous Organic Matter in a Tropical Brazilian Headstream
... input of CPOM to the soil was quantified using three nets (1 x 1 m, 5 mm mesh) placed randomly in the riparian ...input of CPOM into the stream was quantified by placing 10 baskets ...input of CPOM ...
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Carbon in Physical Fractions and Organic Matter Chemical Composition of an Acrisol after Amazon Forest Burning and Conversion into Pasture
... system of Brachiaria plants within the first soil depths probably contributed to a relative enrichment in chemically labile compounds, such as O-alkyl C ...years of forest regeneration in BAF, promoting ...
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Mesopelagic N2 Fixation Related to Organic Matter Composition in the Solomon and Bismarck Seas (Southwest Pacific).
... 16% of the total, and were closely related to an uncultured bacterium from surface waters off the Cape Verde Islands (99% identity at the amino acid level, accession number ...4% of the total and were ...
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Plant physiology as affected by humified organic matter
... solubility of HS in alkaline aqueous solution prepared with NaOH, but pyrophosphate solution is also fre- quently ...pH of the solution is acidified to obtain the precipitate named humic acids (HA), which ...
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Measuring and modeling continuous quality distributions of soil organic matter
... particles of different sizes are also of different mineralogical origin and composition and therefore interact with SOM in different ways (Christensen, ...degrees of protection from microbial ...
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Forage mass, chemical composition and leaf chlorophyll index of signal grass and organic matter in soil under increasing levels of nitrogen
... Laboratory of the Federal University of the Jequitinhonha e Mucuri Valleys - UFVJM, where they were ...sieve of 1 mm, and stored in sealed plastic containers, for analysis of chemical ...
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HUMIFIED FRACTION OF ORGANIC MATTER DUE TO PLANT MIXTURE CULTIVATION
... aim of this study was to assess the organic matter changes in quantity and quality, particularly of the humic fraction in the surface layer (0–20 cm), of a Typic Plinthustalf soil under ...
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Relating hygroscopicity and composition of organic aerosol particulate matter
... brich, I. M., Mohr, C., Kimmel, J. R., Sueper, D., Sun, Y., Zhang, Q., Trimborn, A., North- way, M., Ziemann, P. J., Canagaratna, M. R., Onasch, T. B., Alfarra, M. R., Prevot, A. S. H., Dommen, J., Duplissy, J., Metzger, ...
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Comparison of organic matter decomposition between natural and artificial ponds
... loss of tensile strength appears to be more sensitive to small differences than mass loss (Tiegs et ...community composition seem to explain differences in decomposition more evidently, at least for the ...
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Structural characterization of dissolved organic matter in Permafrost Peatland Lakes
... thawing of ice-rich permafrost and are widespread across northern ...emitters of methane, especially in permafrost peatland regions, where they are stained black by high concentrations of dissolved ...
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Biochar as substitute for organic matter in the composition of substrates for seedlings
... effectiveness of organic matter on the development of aerial biomass was demonstrated by Medeiros et ...the organic substrate yielded more leaves, demonstrating the ability of ...
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Organic matter in four Brazilian soil types: chemical composition and atrazine sorption.
... ORGANIC MATTER IN FOUR BRAZILIAN SOIL TYPES: CHEMICAL COMPOSITION AND ATRAZINE ...Soil organic matter is the main sorptive soil compartment for atrazine in soils, followed in a minor ...
6
Organic matter composition in the sediment of three Brazilian coastal lagoons – District of Macaé, Rio de Janeiro (Brazil)
... extracts of these samples are clearly dominated by short-chain saturated and unsaturated nC14-nC18-carboxylic acids ...tion of short-chain fatty acids will also always re- sult from vascular ...extract ...
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Microphytobenthos and benthic macroalgae determine sediment organic matter composition in shallow photic sediments
... composed of more labile organic material ...proportions of glycine and ...% of TOC and contained high levels of algal fatty acids in the light, particularly PLFA derived from ...
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Avaliação da compostagem e vermicompostagem para biodegradação da matéria orgânica / Composition and vermicomposition assessment for biodegradation of organic matter
... practice of composting as an alternative for the environmentally appropriate disposal of organic ...light of this, the present study assessed the potential for biodegradation of ...
7
Toxicity of the organic fraction of atmospheric particulate matter
... understanding of the PM induced toxicity is very challenging, mainly because PM composition varies greatly and it is influenced by many variables ...the organic fraction of urban PM ...
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New strategies for improving the conversion of waste organic matter to methane
... recovery of a granular sludge whose specific acetoclastic activity (SAA) had been severely ...end of the ...effect of VFA concentrations in methane yield and methanogenic archaea, where various ...
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