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Filtering by: Subject Beetles -- Northwest, Pacific Committee Member Johnson, Mark Degree Level Doctoral

Influences of nitrogen on carbon dynamics in forest soil and density fractions

Creator:

Swanston, Christopher W.

Abstract:

Application of N fertilizer is a common forest management practice in the Pacific Northwest, yet the long-term influence of fertilization on forest soil properties is not well known. Although elevated N often increases mineralization of C and N from labile organic matter, negative effects have been documented in recalcitrant organic...

Resource Type:

Dissertation
Characteristics of dissolved organic matter (DOM) and its stabilization in forest soil

Creator:

Yano, Yuriko

Abstract:

Dissolved organic matter (DOM) plays an important role in transport of C and essential nutrients such as N, P and S. DOM is also critical for the formation of soil organic matter (SOM), which is the largest terrestrial C pool. Nonetheless, we lack a basic understanding of what controls immobilization...

Resource Type:

Dissertation
Soil respiration, carbon and nitrogen leaching, and nitrogen availability in response to harvest intensity and competing vegetation control in Douglas-fir (Pseudotsuga menziesii) forests of the Pacific Northwest

Creator:

Slesak, Robert A.

Abstract:

Management practices following forest harvest can affect long-term soil productivity through alteration of soil carbon (C) and nitrogen (N) pools, but processes contributing to change are poorly understood. I assessed effects of three levels of logging-debris retention in combination with initial or annual applications of competing vegetation control (CVC) following...

Resource Type:

Dissertation

Full Text:

Douglas-fir (Pseudotsuga menziesii) forests of the Pacific Northwest Abstract approved

ScholarsArchive@OSU

Influences of nitrogen on carbon dynamics in forest soil and density fractions

Characteristics of dissolved organic matter (DOM) and its stabilization in forest soil

Soil respiration, carbon and nitrogen leaching, and nitrogen availability in response to harvest intensity and competing vegetation control in Douglas-fir (Pseudotsuga menziesii) forests of the Pacific Northwest

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