Collaborative Research: Effects of tropical watershed deforestation on mangrove ecosystem function and services

合作研究：热带流域森林砍伐对红树林生态系统功能和服务的影响

• 批准号: 0841940
• 负责人: Thomas Stone
• 金额: $ 6.81万
• 依托单位: Woodwell Climate Research Center, Inc.
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 2009
• 资助国家: 美国
• 起止时间: 2009-03-01 至 2012-02-29
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=0841940&HistoricalAwards=false
• 关键词: Collaborative; Research; Effects; tropical; watershed

Deforestation of coastal watersheds is occurring throughout the tropics, altering transport of water, nutrients and sediments to mangrove estuaries and coastal oceans. This occurs because of powerful couplings linking land use changes on upland watersheds to receiving aquatic ecosystems down the topographical gradient. This research uses innovative multidisciplinary ecological, hydrological and biogeochemical approaches along six transects in Panama from watersheds subject to different degrees of deforestation to coastal mangroves. This layout will enable testing of hypotheses relating deforestation to functioning of mangrove ecosystems. Results will provide a fresh view of how coastal zones are organized and how human activities reshuffle natural couplings. The work will be based in the Liquid Jungle Laboratory, a research station that permits doing modern research in a remote setting.Broader impacts of the work include definition of the connections between land use practices and conditions in adjoining mangroves in tropical coastal areas. Results will furnish information needed for assessing impacts of deforestation on coastal mangrove ecosystems that provide a series of economically valuable ecological services, such as fish and shellfish nurseries, interception of land derived nutrients, export of energy rich materials, stabilization of shorelines, maintenance of biodiversity, and various harvestable yields. An education and outreach program will focus on training U.S. and Latin American postdoctoral, graduate and undergraduate students. Strong collaborations with Panamanian and Argentine colleagues will enable bilingual websites, presentations and new programs to help transfer results to local people, managers, decision-makers, and scientific colleagues by digital, printed and oral means.

整个热带地区都在发生沿海流域的森林砍伐，改变了水、养分和沉积物向红树林河口和沿海海洋的运输。发生这种情况是因为高地流域的土地利用变化与地形梯度下的水生生态系统之间存在强大的耦合。这项研究采用创新的多学科生态、水文和生物地球化学方法，研究了巴拿马的六个横断面，从遭受不同程度森林砍伐的流域到沿海红树林。这种布局将能够测试森林砍伐与红树林生态系统功能相关的假设。研究结果将为沿海地区如何组织以及人类活动如何重新调整自然耦合提供新的视角。这项工作将在液体丛林实验室进行，该实验室是一个允许在偏远环境中进行现代研究的研究站。这项工作的更广泛影响包括定义土地利用实践与热带沿海地区毗邻红树林条件之间的联系。结果将提供评估森林砍伐对沿海红树林生态系统影响所需的信息，这些生态系统提供一系列具有经济价值的生态服务，例如鱼类和贝类苗圃、截获陆地营养物质、出口富含能源的材料、稳定海岸线、维持生物多样性和各种可收获产量。教育和推广计划将重点培训美国和拉丁美洲的博士后、研究生和本科生。与巴拿马和阿根廷同事的密切合作将使双语网站、演示和新项目能够通过数字、印刷和口头方式帮助将成果传递给当地人、管理者、决策者和科学同事。