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首页> 外文学位 >Economics of carbon sequestration in slash pine (Pinus elliottii) plantations.
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Economics of carbon sequestration in slash pine (Pinus elliottii) plantations.

机译：阔叶松（Pinus elliottii）人工林固碳的经济学。

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摘要

There is growing concern over the accumulation of “greenhouse gases,” particularly carbon dioxide (CO2), and associated global warming. As a result of global warming, sea levels may rise, causing inundation of some coastal areas and the earth's environment may be altered affecting biodiversity and food security in many regions. It is widely recognized that forests play an important role in the global carbon cycle by sequestering and storing carbon, enabling the switch from more energy-intensive materials such as steel to forest products, and facilitating the substitution of biomass fuels for fossil fuels.; In this dissertation a Hartman model is used to investigate the economics of sequestering carbon in slash pine (Pinus elliotii) plantations in the southeastern coastal plain of the U.S. The model assumes landowners are paid a subsidy for sequestering carbon during stand growth and must pay carbon taxes for emissions of CO2 from the decay of harvest waste and forest products after harvest. From this model I determine how private slash pine plantation owners would adjust the optimal rotation age or the harvest age. I also determine the impact of a carbon subsidy and tax policy on land expectation values, timber supply and the amount of carbon sequestered. The model was then extended to include the risk of catastrophic mortality and silvicultural treatments such as fertilizer, herbicides and bedding. Finally the potential of slash pine plantations to produce biofuel is investigated.; Results from this research show that a carbon subsidy and tax policy would have varying effects on the management of a forest stand depending on the price of carbon and the silvicultural options available to the landowner. Such a policy would also significantly increase land expectation values thus possibly increasing forests on the extensive margin. Risk tends to dampen the impact of a carbon subsidy and tax policy on forest management and land expectation values. Biofuel production does not impact forest management or land expectation values to a great extent but would mitigate significant amounts of carbon emissions. Overall the results suggest that the impact of a carbon subsidy and tax policy would be greater on the extensive margin by increasing land devoted to forestry than on the intensive margin through stand management.
机译：人们越来越关注“温室气体”，特别是二氧化碳（CO 2 ）的积累以及相关的全球变暖。全球变暖的结果是，海平面可能上升，导致一些沿海地区被淹，地球环境可能发生变化，从而影响许多地区的生物多样性和粮食安全。众所周知，森林在全球碳循环中起着重要的作用，其方式是固存和储存碳，实现从能源密集型材料（如钢）到林产品的转换，并促进将生物质燃料替代化石燃料。本文采用Hartman模型研究了美国东南沿海平原的阔叶松林中碳固存的经济性。该模型假定在土地使用期间向土地所有者支付了固碳补贴。保持增长，并且必须为收获后废弃物和森林产品的腐烂而支付的CO 2 排放碳税。从这个模型中，我可以确定私人的阔叶松人工林所有者将如何调整最佳轮作年龄或收获年龄。我还确定了碳补贴和税收政策对土地期望值，木材供应和碳固存量的影响。然后将该模型扩展到包括灾难性死亡的风险和诸如肥料，除草剂和被褥的造林处理。最后，研究了阔叶松人工林生产生物燃料的潜力。这项研究的结果表明，碳补贴和税收政策将对林分的管理产生不同的影响，具体取决于碳价和土地所有者可获得的造林方式。这项政策还将大大提高土地期望值，从而有可能在广泛的边缘增加森林。风险倾向于减弱碳补贴和税收政策对森林经营和土地期望值的影响。生物燃料生产不会在很大程度上影响森林管理或土地期望值，但会减少大量的碳排放。总体而言，结果表明，通过增加用于林业的土地，碳补贴和税收政策对广泛利润的影响要大于对林分管理的密集利润。

著录项

  • 作者

    Stainback, George Andrew.;

  • 作者单位

    University of Florida.;

  • 授予单位 University of Florida.;
  • 学科 Agriculture Forestry and Wildlife.; Economics Agricultural.
  • 学位 Ph.D.
  • 年度 2002
  • 页码 98 p.
  • 总页数 98
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 森林生物学;农业经济;
  • 关键词

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