枫树和桤木人工林固碳和土壤性质随林龄的变化

IF 1.2 4区农林科学 Q3 FORESTRY

Journal of Sustainable Forestry Pub Date : 2022-04-03 DOI:10.1080/10549811.2022.2059516

S. M. Hojjati, M. Tafazoli, M. Imani, Mazaher Alazmani, A. Fallah, M. Pourmajidian

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引用次数: 1

摘要

人类活动(如化石燃料消耗和森林砍伐)导致的二氧化碳水平升高已成为气候变化和环境问题的主要关注点。造林/再造林可以通过在树木生物量中封存大气中的碳(C)来帮助减少大气中的二氧化碳排放。以25年(A25)和35年(A35)树龄的绿槭(Acer velutinum Bioss)和桤木(Alnus glutinosa L)两种先树林分为研究对象，对其地上和地下碳的固存进行了研究。A35的胸径年平均生长量(cm/年)显著高于A25, A25的胸径年平均生长量(m/年)显著高于A25。A35的总生物量和年平均生长量、根和干碳储量显著高于其他树种。A35土壤固碳量也显著高于A25。树木地上碳固存量和年平均碳固存量与土壤水分、pH、氮、磷呈正相关。我们的研究说明了考虑林龄在森林生态系统生长和发育模式中对估算陆地碳储量的好处。

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Variation in Carbon Sequestration and Soil Properties in Relation to Stand Age in Maple and Alder Plantations

ABSTRACT Increased CO2 levels caused by human activities (e.g., fossil fuel consumption and deforestation) has become a major concern for climate change and caused environmental problems. Afforestation/reforestation can help mitigate CO2 emission in the atmosphere by sequestering atmospheric carbon (C) in tree biomass. Herein, the above- and below-ground C sequestration of two pioneer tree species, including Acer velutinum Bioss and Alnus glutinosa L plantation stands of 25 (A25) and 35 (A35) years old were studied. The mean annual growth of diameter at breast height (cm/year) was significantly higher in A35 than A25, while the mean growth of height (m/year) was significantly higher in A25. The total and mean annual growth of the tree biomass and C storage (root and trunk) was significantly higher in A35. The amount of soil C sequestration in A35 was also significantly higher than in A25. The above-ground C sequestration and the annual average of C sequestration of the trees were positively correlated with soil moisture, pH, nitrogen, and phosphorus. Our study illustrates the benefits of considering stand age in the growth and developmental patterns of forest ecosystems in estimating terrestrial C stocks.

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来源期刊

Journal of Sustainable Forestry Social Sciences-Geography, Planning and Development

CiteScore

3.90

自引率

12.50%

发文量

期刊介绍： Journal of Sustainable Forestry publishes peer-reviewed, original research on forest science. While the emphasis is on sustainable use of forest products and services, the journal covers a wide range of topics from the underlying biology and ecology of forests to the social, economic and policy aspects of forestry. Short communications and review papers that provide a clear theoretical, conceptual or methodological contribution to the existing literature are also included in the journal. Common topics covered in the Journal of Sustainable Forestry include: • Ecology, management, recreation, restoration and silvicultural systems of all forest types, including urban forests • All aspects of forest biology, including ecophysiology, entomology, pathology, genetics, tree breeding, and biotechnology • Wood properties, forest biomass, bioenergy, and carbon sequestration • Simulation modeling, inventory, quantitative methods, and remote sensing • Environmental pollution, fire and climate change impacts, and adaptation and mitigation in forests • Forest engineering, economics, human dimensions, natural resource policy, and planning Journal of Sustainable Forestry provides an international forum for dialogue between research scientists, forest managers, economists and policy and decision makers who share the common vision of the sustainable use of natural resources.