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Creator:: Yatskov, Mikhail, Harmon, Mark E., and Krankina, Olga N.
Abstract:: Coarse woody debris (CWD), represented by logs and snags >10 cm in diameter and >1 m in length, was sampled at eight sites in Russian boreal forests to determine the specific density of decay classes and decomposition rates. Tree species sampled included Abies siberica Ledeb., Betula pendula Roth., Betula costata...
Resource Type:: Article
Full Text:: chronosequence approach Can. J. For. Res. 33: 1211–1226 (2003) doi: 10.1139/X03-033 © 2003 NRC Canada 1211

Creator:: Krankina, Olga N., Harmon, Mark E., and Griazkin, Anatolii V.
Abstract:: Concentrations of 14 chemical elements (Al, B, C, Ca, Cu, Fe, K, N, Mg, Mn, Na, P, S, Zn) were measured in wood and bark of 126 sample trees representing different stages of decomposition in three major tree species of northwestern Russia: Scots pine (Pinus sylvestris L.), Norway spruce (Picea...
Resource Type:: Article
Full Text:: insect populations is Can. J. For. Res.29: 20–32 (1999) © 1999 NRC Canada 20 Received March 12, 1998

Creator:: Harmon, Mark E. and Marks, Barbara
Abstract:: We used a new model, STANDCARB, to examine effects of various treatments on carbon (C) pools in the Pacific Northwest forest sector. Simulation experiments, with five replicates of each treatment, were used to investigate the effects of initial conditions, tree establishment rates, rotation length, tree utilization level, and slash burning...
Resource Type:: Article
Full Text:: . J. For. Res.32: 863–877 (2002) DOI: 10.1139/X01-216 © 2002 NRC Canada 863 Received 4 December 2000

Creator:: Krankina, Olga N., Harmon, Mark E., Kukuev, Yuri A., Treyfeld, Rudolf F., Kashpor, Nikolai N., Kresnov, Vladimir G., Skudin, Viktor M., Protasov, Nikolai A., Yatskov, Mikhail, Spycher, Gody, and Povarov, Ewgeni D.
Abstract:: To assess regional stores of coarse woody debris (CWD) in seven major forest regions of Russia, we combined data collected as part of the routine forest inventory with measurements in 1044 sample plots and the results of density sampling of 922 dead trees. The stores of CWD in the western...
Resource Type:: Article
Full Text:: . J. For. Res. 32: 768–778 (2002) DOI: 10.1139/X01-110 © 2002 NRC Canada 768 Received 5 December

Creator:: Chen, Hua, Harmon, Mark E., Sexton, Jay, and Fasth, Becky
Abstract:: We examined the effects of species, initial substrate quality, and site differences (including temperature, precipitation, and soil N availability) on fine-root (<2 mm diameter) decomposition in litter bags and its N dynamics in Sitka spruce (Picea sitchensis (Bong) Carrière), Douglas-fir (Pseudotsuga menziesii (Mirb.) Franco), and ponderosa pine (Pinus ponderosa Dougl....
Resource Type:: Article
Full Text:: NRC Canada 320 Received 4 August 2000. Accepted 23 October 2001. Published on the NRC Research Press

Creator:: Chen, Hua, Harmon, Mark E., and Griffiths, Robert P.
Abstract:: Decomposition of woody roots in Sitka spruce (Picea sitchensis (Bong.) Carrière), Douglas-fir (Pseudotsuga menziesii (Mirb.) Franco), and ponderosa pine (Pinus ponderosa P. Laws. ex C. Laws.) dominated forests in Oregon, U.S.A. was studied using a chronosequence. Roots of five coniferous species were excavated from stumps with ages up to 46...
Resource Type:: Article
Full Text:: indices are quite Can. J. For. Res.31: 246–260 (2001) © 2001 NRC Canada 246 DOI: 10.1139/cjfr-31-2-246

Creator:: Harmon, Mark E., Krankina, Olga N., and Sexton, Jay
Abstract:: A chronosequence of three species of logs (Pinus sylvestris L., Picea abies (L.) Karst, and Betula pendula Roth.) from northwestern Russia was resampled to develop a new method to estimate rates of biomass, volume, and density loss. We call this resampling of a chronosequence the decomposition-vector method, and it represents...
Resource Type:: Article

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