东部矿区复垦松林30年植被群落发展

Q4 Agricultural and Biological Sciences

林业科学研究 Pub Date : 2017-02-19 DOI:10.4172/2168-9776.1000194

Christy L. Christian, B. Oswald, H. Williams, K. Farrish

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引用次数: 1

摘要

将露天矿复垦为人工林是一种既能重建开采后的经济功能又能重建生态功能的经营选择。本研究调查了在美国东德克萨斯州开垦的褐煤露天矿土地上建立的火炬松人工林的营养群落特征(组成、丰富度和重要性)随时间的变化。在复垦矿区新建火炬松人工林的开放景观中，草本和草本植物不耐遮荫，但当树冠关闭时，在林分建立后20年内有利于木本植物(乔木、灌木和藤本植物)的生长。考虑到这些人工林建立在通常被描述为干燥至湿润高地的地点，物种组成大体上与东德克萨斯州的生态一致。讨论了群落组成、物种丰富度和物种重要性，并比较了东德克萨斯州未开采火炬松人工林与开垦火炬松人工林的生长数据和营养群落特征。开垦为人工林的地表矿区是开展进一步研究的理想地点，研究如何在保持预期的经济和生态目的的同时改善生物多样性和其他生态系统服务。

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Vegetative Community Development Over 30 Years within Pine Plantations on Reclaimed Mine Land in East

Reclamation of surface mines to plantation forests is a management option that reestablishes both economic and ecological functions after mining. This study investigated vegetative community characteristics (composition, richness, importance) over time in loblolly pine (Pinus taeda L.) plantations established over a thirty-year period on reclaimed lignite coal surface mine land in East Texas, United States. The open landscape of newly planted loblolly pine plantations on reclaimed mine land was amenable to shade-intolerant herbaceous and grass species but, when the canopy closed, favored woody species (trees, shrubs, vines) within two decades after stand establishment. Given that these plantations were established on sites generally described as dry to mesic uplands, species composition was generally congruent with East Texas ecology. Community composition, species richness and species importance were discussed, and loblolly pine growth data and vegetative community characteristics of unmined loblolly pine plantation sites in East Texas were compared to reclaimed sites. Surface mined lands reclaimed to plantation forests are ideal locations to conduct further research on how biodiversity and other ecosystems services can be improved while maintaining intended economic and ecological purposes.

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来源期刊

林业科学研究 Environmental Science-Ecology

CiteScore

0.90

自引率

0.00%

发文量

4834

期刊介绍： Forestry Research is a comprehensive academic journal of forestry science organized by the Chinese Academy of Forestry. The main task is to reflect the latest research results, academic papers and research reports, scientific and technological developments and information on forestry science mainly organized by the Chinese Academy of Forestry, to promote academic exchanges at home and abroad, to carry out academic discussions, to flourish forestry science, and to better serve China's forestry construction. The main contents are: forest seeds, seedling afforestation, forest plants, forest genetic breeding, tree physiology and biochemistry, forest insects, resource insects, forest pathology, forest microorganisms, forest birds and animals, forest soil, forest ecology, forest management, forest manager, forestry remote sensing, forestry biotechnology and other new technologies, new methods, and to increase the development strategy of forestry, the trend of development of disciplines, technology policies and strategies, etc., and to increase the forestry development strategy, the trend of development of disciplines, technology policies and strategies. It is suitable for scientists and technicians of forestry and related disciplines, teachers and students of colleges and universities, leaders and managers, and grassroots forestry workers.