Index Catalog // ScholarsArchive@OSU

Soil organic matter regulates molybdenum storage and mobility in forests

Creator:: Marks, Jade A., Perakis, Steven S., King, Elizabeth K., and Pett-Ridge, Julie
Abstract:: The trace element molybdenum (Mo) is essential to a suite of nitrogen (N) cycling processes in ecosystems, but there is limited information on its distribution within soils and relationship to plant and bedrock pools. We examined soil, bedrock, and plant Mo variation across 24 forests spanning wide soil pH gradients...
Resource Type:: Article

Improving garden soils with organic matter

Creator:: Bell, Neil (Neil Charles), 1961-, Sullivan, Dan M., Brewer, Linda J., Hart, John, and Oregon State University. Extension Service
Abstract:: This publication will help you understand the importance of soil organic matter levels to good plant performance. It also contains suggestions for suitable soil amendments. Any soil, no matter how compacted, can be improved by the addition of organic matter. The result will be a better environment for almost any...
Resource Type:: Technical Report
Full Text:: Improving Garden Soils with Organic Matter, EC 1561 (Oregon State

Sediment and organic matter transport in Oregon Coast range streams

Creator:: Beschta, Robert L. and Oregon State University. Water Resources Research Institute
Resource Type:: Technical Report
Full Text:: SEDIMENT AND ORGANIC MATTER TRANSPORT IN OREGON COAST RANGE STREAM S

Organic matter management in forest tree nurseries : theory and practice

Creator:: Rose, Robin, Haase, Diane L., and Boyer, Don
Resource Type:: Technical Report
Full Text:: . 1995. Organic Matter Management in Forest Nurseries: Theory and Practice. Nursery Technology Coop

Persistence of soil organic matter in eroding versus depositional landform positions

Creator:: Berhe, Asmeret Asefaw, Harden, Jennifer W., Torn, Margaret S., Kleber, Markus, Burton, Sarah D., and Harte, John
Abstract:: Soil organic matter (SOM) processes in dynamic landscapes are strongly influenced by soil erosion and sedimentation. We determined the contribution of physical isolation of organic matter (OM) inside aggregates, chemical interaction of OM with soil minerals, and molecular structure of SOM in controlling storage and persistence of SOM in different...
Resource Type:: Article
Full Text:: Persistence of soil organic matter in eroding versus depositional

Organic matter compositions and loadings in soils and sediments along the Fly River, Papua New Guinea

Creator:: Goni, Miguel A., Moore, Eric, Kurtz, Andrew, Portier, Evan, Alleau, Yvan, and Merrell, David
Abstract:: The compositions and loadings of organic matter in soils and sediments from a diverse range of environments along the Fly River system were determined to investigate carbon transport and sequestration in this region. Soil horizons from highland sites representative of upland sources have organic carbon contents (%OC) that range from...
Resource Type:: Article

The role of dissolved organic matter release in the productivity of the oligotrophic North Pacific Ocean

Creator:: Karl, David M., Hebel, Dale V., Björkman, K., and Letelier, Ricardo M.
Abstract:: Based on a long-term set of observations and measurements at a station in the subtropical North Pacific Ocean, it now appears that contemporaneous rates of primary production in low-nutrient open ocean regions and perhaps in the ocean as a whole may be greater than had been considered in field studies...
Resource Type:: Article
Full Text:: produced 14C-dissolved organic matter (DOM) pools. Both may affect changes in DPM during storage. For

Decomposition of heterogeneous organic matter and its long-term stabilization in soils

Creator:: Sierra, Carlos A., Harmon, Mark E., and Perakis, Steven S.
Abstract:: Soil organic matter is a complex mixture of material with heterogeneous biological, physical, and chemical properties. Decomposition models represent this heterogeneity either as a set of discrete pools with different residence times or as a continuum of qualities. It is unclear though, whether these two different approaches yield comparable predictions...
Resource Type:: Article
Full Text:: . 619–634 � 2011 by the Ecological Society of America Decomposition of heterogeneous organic matter and

Particulate organic matter export by two contrasting small mountainous rivers from the Pacific Northwest, U.S.A.

Creator:: Goñi, Miguel A., Hatten, Jeff A., Wheatcroft, Robert A., and Borgeld, Jeffry C.
Abstract:: We investigated the export of particulate organic matter (POM) to the ocean by two contrasting small, mountainous rivers, the Umpqua and Eel Rivers, by collecting suspended sediment samples over a range of discharges and analyzing them for a variety of constituents, including organic carbon, nitrogen, biomarkers with distinct biochemical sources,...
Resource Type:: Article
Full Text:: jgrg20024 112..134 Particulate organic matter export by two

Remineralization of phytoplankton-derived organic matter by natural populations of heterotrophic bacteria

Creator:: Burkhardt, Brian G., Watkins-Brandt, Katie S., Defforey, Delphine, Paytan, Adina, and White, Angelicque E.
Abstract:: The relative lability, elemental stoichiometry, and remineralization rates of various particulate organic matter (POM) substrates by natural heterotrophic marine microorganisms was investigated. POM was harvested from laboratory cultures of a marine diazotroph (Trichodesmium IMS101), a cosmopolitan diatom (Thalassiosira weissflogii), a common marine cyanobacteria (Prochlorococcus MED4), and from surface waters off...
Resource Type:: Article
Full Text:: organic matter by natural populations of heterotrophic bacteria Burkhardt, B. G., Watkins-Brandt, K. S

ScholarsArchive@OSU

Soil organic matter regulates molybdenum storage and mobility in forests

Improving garden soils with organic matter

Sediment and organic matter transport in Oregon Coast range streams

Organic matter management in forest tree nurseries : theory and practice

Persistence of soil organic matter in eroding versus depositional landform positions

Organic matter compositions and loadings in soils and sediments along the Fly River, Papua New Guinea

The role of dissolved organic matter release in the productivity of the oligotrophic North Pacific Ocean

Decomposition of heterogeneous organic matter and its long-term stabilization in soils

Particulate organic matter export by two contrasting small mountainous rivers from the Pacific Northwest, U.S.A.

Remineralization of phytoplankton-derived organic matter by natural populations of heterotrophic bacteria

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