Survival, growth, and growth allocation of planted Scots pine trees after different levels of biomass removal in clear-felling

Egnell, Gustaf; Valinger, Erik

doi:10.1016/s0378-1127(02)00332-8

Cited by 97 publications

(73 citation statements)

References 18 publications

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“…Carr) during 2 years was about 33 percent less with complete residue removal than with bole-only harvest (Proe and Dutch 1994). Impacts on Scots pine (Pinus sylvestris L.) growth associated with whole-tree harvesting did not become apparent until several years after harvest on an N-limited site in Sweden (Egnell and Valinger 2003). Biomass removals were most detrimental to tree growth on aspen sites in the Lake States when 10-year study results were summarized for 26 of the oldest installations of the Long-Term Soil Productivity (LTSP) network sites (Powers et al 2005).…”

Section: Biomass Removal Impactsmentioning

confidence: 98%

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The Fall River Long-Term Site Productivity study in coastal Washington: site characteristics, methods, and biomass and carbon and nitrogen stores before and after harvest.

Ares¹,

Terry²,

Piatek³

et al. 2007

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The Forest Service of the U.S. Department of Agriculture is dedicated to the principle of multiple use management of the Nation's forest resources for sustained yields of wood, water, forage, wildlife, and recreation. Through forestry research, cooperation with the States and private forest owners, and management of the National Forests and national grasslands, it strives-as directed by Congress-to provide increasingly greater service to a growing Nation.The U.S. Department of Agriculture (USDA) prohibits discrimination in all its programs and activities on the basis of race, color, national origin, age, disability, and where applicable sex, marital status, familial status, parental status, religion, sexual orientation, genetic information, political beliefs, reprisal, or because all or part of an individual's income is derived from any public assistance program. (Not all prohibited bases apply to all programs.) Persons with disabilities who require alternative means for communication of program information (Braille, large print, audiotape, etc.) should contact USDA's TARGET Center at (202) 720-2600 (voice and TDD).To file a complaint of discrimination, write USDA, Director, Office of Civil Rights, 1400 Independence Avenue, S.W. Washington, DC 20250-9410 or call (800) 795-3272 (voice) or (202)

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Section: Biomass Removal Impactsmentioning

confidence: 98%

“…Whole-tree harvesting removes more nutrients from the site than conventional harvesting (Boyle 1976, Egnell and Valinger 2003, Freedman et al 1981, Weetman and Webber 1972. Slash reduction and site preparation treatments such as piling and broadcast burning also affect site nutrient stores and microsite climate.…”

Section: Biomass Removal Impactsmentioning

confidence: 99%

The Fall River Long-Term Site Productivity study in coastal Washington: site characteristics, methods, and biomass and carbon and nitrogen stores before and after harvest.

Ares¹,

Terry²,

Piatek³

et al. 2007

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“…Earlier results, both from modelling (Rolff andÅgren 1999, Peng et al 2002) and empirical studies (Egnell and Valinger 2003) supports this conclusion. This feedback mechanism from soil nutrient status to forest growth, even though widely studied, still requires further analysis to provide a common understanding of the effects of biomass extraction on it.…”

Section: Effects Of Intensified Biomass Extraction On Forest Carbon Bmentioning

confidence: 70%

Soil carbon modelling as a tool for carbon balance studies in forestry

Palosuo¹

2008

Diss. For.

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Soils represent a remarkable stock of carbon, and forest soils are estimated to hold half of the global stock of soil carbon. Topical concern about the effects of climate change and forest management on soil carbon as well as practical reporting requirements set by climate conventions have created a need to assess soil carbon stock changes reliably and transparently. The large spatial variability of soil carbon commensurate with relatively slow changes in stocks hinders the assessment of soil carbon stocks and their changes by direct measurements. Due to these difficulties in measuring soil carbon, models widely serve to estimate carbon stocks and stock changes in soils.This dissertation aimed to develop the soil carbon model YASSO for upland forest soils. The model was aimed to take into account the most important processes controlling the decomposition in soils, yet remain simple enough to ensure its practical applicability in different applications. The model structure and assumptions were presented and the model parameters were defined with empirical measurements. The model was evaluated by studying the sensitivities of the model results to parameter values, by estimating the precision of the results with an uncertainty analysis, and by assessing the accuracy of the model by comparing the predictions against measured data and by comparing the model results to the results of an alternative model.The model was applied at the stand level to study the effects of intensified biomass extraction on the forest carbon balance. In another application, the effects of energy use of forest residues on soil carbon were quantified with the model. The model calculated soil carbon deficit was presented as an indirect CO 2 emission. This emission was then compared to other emissions from the forest residue production chain and burning. Finally, the model was applied in an inventory based method to assess the national scale forest carbon balance for Finland's forests from 1922 to 2004.According to the results of the uncertainty and sensitivity analyses, the soil carbon stock estimates of the model are uncertain, because those parameters that most strongly affect these estimates are poorly known. Carbon stock change estimates, on the other hand, are rather reliable, because the parameters determining these estimates are known better. According to a test conducted with a Canadian litterbag experiment, YASSO managed to describe sufficiently the effects of both the variable litter and climatic conditions on decomposition. When combined with the stand models or other systems providing litter information, the dynamic approach of the model proved to be powerful for estimating changes in soil carbon stocks on different scales. The climate dependency of the model, the effects of nitrogen on decomposition and forest growth as well as the effects of soil texture on soil carbon stock dynamics are areas for development when considering the applicability of the model to different research questions, different land use types and wide...

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“…The treatments are: 1) stem-only thinning (SOT), 2) whole-tree thinning (WTT), 3) WTT + NPK compensation fertilisation, 4) SOT + 150 kg N + 30 kg P/ha, and 5) WTT + 150 kg N + 30 kg P/ha. The data are available at http://www.skogforsk.no/feltforsok/Langfig.cfm?Fnr=1057 (in Norwegian) Egnell and Valinger (2003) also found reduced growth in a Scots pine stand 24 years after WTH as well as branch and stem harvest (BSH). Comparable results have been found in the UK by Proe and Dutch (1994) in second generation Sitka spruce after clear-cutting including removal of residues.…”

Section: Effects Of Harvesting Intensity On Forest Regeneration and Pmentioning

confidence: 99%

Ecological Consequences of Increased Biomass Removal for Bioenergy from Boreal Forests

Clarke¹

2012

Sustainable Forest Management - Current Research

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Survival, growth, and growth allocation of planted Scots pine trees after different levels of biomass removal in clear-felling

Cited by 97 publications

References 18 publications

The Fall River Long-Term Site Productivity study in coastal Washington: site characteristics, methods, and biomass and carbon and nitrogen stores before and after harvest.

The Fall River Long-Term Site Productivity study in coastal Washington: site characteristics, methods, and biomass and carbon and nitrogen stores before and after harvest.

Soil carbon modelling as a tool for carbon balance studies in forestry

Ecological Consequences of Increased Biomass Removal for Bioenergy from Boreal Forests

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