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首页> 外文学位 >Linking ecological function and ecosystem service values of estuarine habitat types associated with a barrier island system.
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Linking ecological function and ecosystem service values of estuarine habitat types associated with a barrier island system.

机译：将与屏障岛系统相关的河口栖息地类型的生态功能和生态系统服务价值联系起来。

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摘要

Ecosystem services are benefits humans receive as a function of natural processes. Many current studies seek to express these benefits as an economic value per unit of habitat type without quantifying the ecological functions that allow for the provision of ecosystem services. This study is designed to model each habitat type in an effort to explicitly link the major estuarine habitat types of Mustang Island (oyster reefs, seagrass meadows, and intertidal salt marsh) to their contribution to Nitrogen cycling services. First, a dynamic biomass model of each foundational species was created using Simile, a declarative modeling framework. Second, a monthly snapshot of Nitrogen captured in living biomass was used to quantify the contribution of each species to the Nitrogen cycling services. Finally, the amount of Nitrogen captured in living biomass was valued using a replacement cost approach. An effort was also made to link the provision of recreational fishing services provided by each aforementioned habitat type by partitioning travel costs and license sales weighted by the density of fish found in each habitat type.;It was found that oyster reefs of Mustang Island contribute ;These efforts have been made to translate ecological function into economic benefit to improve communication among a wide variety of stakeholders that are more likely to understand economic value. Further refinement of both the models and the economic data necessary to support them, will have the potential to improve the applicability and results of these tools. These results, and the modeling framework through which they are calculated, provide a platform to evaluate management relevant scenarios in a simple, flexible manner that may be adjusted and transferred to other study sites given appropriate local data.
机译：生态系统服务是人类从自然过程中获得的利益。当前许多研究试图将这些收益表示为每单位生境类型的经济价值，而没有量化允许提供生态系统服务的生态功能。本研究旨在对每种栖息地类型进行建模，以努力将野马岛的主要河口栖息地类型（牡蛎礁，海草草甸和潮间带盐沼）与其对氮循环服务的贡献联系起来。首先，使用声明性建模框架Simile创建每个基础物种的动态生物量模型。其次，使用每月从生物质中捕获的氮快照来量化每种物种对氮循环服务的贡献。最后，使用替代成本法对活生物质中捕获的氮量进行了评估。还通过划分旅行费用和许可证销售（以每种栖息地类型中发现的鱼的密度加权）来将上述每种栖息地类型所提供的休闲捕鱼服务联系在一起；研究发现，野马岛的牡蛎礁对此有所贡献；已经做出了这些努力，将生态功能转化为经济利益，以改善各种可能更了解经济价值的利益相关者之间的沟通。进一步完善模型和支持模型所需的经济数据，将有可能改善这些工具的适用性和结果。这些结果以及通过其计算得出的建模框架，为以简单，灵活的方式评估与管理相关的方案提供了平台，可以根据适当的本地数据对其进行调整并转移到其他研究地点。

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  • 作者

    Francis, Jeffrey Michael.;

  • 作者单位

    Texas A&M University - Corpus Christi.;

  • 授予单位 Texas A&M University - Corpus Christi.;
  • 学科 Biology Ecology.;Environmental Management.;Economics Environmental.
  • 学位 Ph.D.
  • 年度 2012
  • 页码 140 p.
  • 总页数 140
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

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