The Influence of Plant Functional Traits on Multi-trophic Interactions: An Experimental Community Restoration Approach in a Hawaiian Lowland Wet Forest

植物功能性状对多营养相互作用的影响：夏威夷低地湿森林的实验性群落恢复方法

• 批准号: 1754844
• 负责人: Rebecca Ostertag
• 金额: $ 75.5万
• 依托单位: University of Hawaii
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 2018
• 资助国家: 美国
• 起止时间: 2018-08-01 至 2024-07-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=1754844&HistoricalAwards=false
• 关键词: Influence; Plant; Functional; Traits; Multi

An understanding of the direct and indirect links between biodiversity and ecosystem functioning is still a large unknown in ecology. This lack of knowledge impedes restoration of degraded lands, because the establishment of a complex food web is rarely planned for in restoration. It is often assumed that "if you build it, they will come"; in other words, if a certain plant community structure is achieved, the assumption is that animal colonization will follow. Yet, there is a limited understanding of cause and effect; if certain plant species are chosen for restoration, how is animal presence and abundance affected? The proposed field experiment will address if functional trait-based restoration influences the species and functional diversity of animal communities. Plant species differ in many tangible ways relating to resource use, growth, and reproduction. Intentionally choosing species with specific traits may help direct and engineer the species of animals attracted to restored sites, which provides land managers with tools to guide degraded sites towards healthier ecosystem states. This research will offer student and technician research training opportunities, public outreach, and expand development of a module for middle school students at a local Hawaiian language immersion charter school. The restoration experiment will be conducted in a Hawaiian lowland wet forest, which consists of a reference (invaded forest) and experimental treatments in which native plants were left in situ, all non-native plant species were cleared, and four different mixtures of ten species were planted. The four different mixtures of ten species vary by functional traits, as well as their overlap in the restored community. This research will test the hypothesis that animal diversity of the litter arthropod community will be higher and interactions among species will be more complex in terms of connectance, interaction diversity, and interaction specialization in the treatments where the plant species have a greater diversity in their functional trait values. These invaded forests are living experiments in how novel ecosystems assemble new community members, with environmental conditions ideal for examining multi-trophic interactions. Stable isotope analyses, network analyses, and statistical modeling will provide indices of different aspects of animal assemblage and interaction complexity in a relatively low diversity tropical environment. In turn, ecosystem services value estimation will provide additional context for treatment comparisons and sustainable ecosystem management.This award reflects NSF's statutory mission and has been deemed worthy of support through evaluation using the Foundation's intellectual merit and broader impacts review criteria.

对生物多样性和生态系统功能之间的直接和间接联系的理解在生态学中仍然是一个很大的未知数。 这种知识的缺乏阻碍了退化土地的恢复，因为在恢复过程中很少计划建立一个复杂的食物网。人们通常认为，“如果你建造它，它们就会来”;换句话说，如果达到了某种植物群落结构，假设动物殖民化将随之而来。然而，人们对因果关系的理解有限;如果选择某些植物物种进行恢复，动物的存在和丰富度如何受到影响？拟议的田间试验将解决如果功能性状为基础的恢复影响的物种和功能多样性的动物群落。植物物种在许多与资源利用、生长和繁殖有关的有形方式上存在差异。有意识地选择具有特定特征的物种可能有助于指导和设计被恢复的地点吸引的动物物种，这为土地管理者提供了指导退化地点走向更健康的生态系统状态的工具。这项研究将提供学生和技术人员的研究培训机会，公共宣传，并扩大在当地夏威夷语言沉浸特许学校的中学生模块的发展。恢复实验将在夏威夷低地湿林中进行，该湿林由参考（入侵森林）和实验处理组成，其中原生植物留在原位，所有非原生植物物种被清除，并种植10个物种的四种不同混合物。四种不同的混合物的10个物种不同的功能性状，以及它们在恢复的社区重叠。本研究将测试的假设，即动物多样性的凋落物节肢动物群落将更高，物种之间的相互作用将更加复杂的连接性，相互作用的多样性，和相互作用的专业化的处理，植物物种有更大的多样性，在他们的功能性状值。 这些被入侵的森林是新生态系统如何聚集新社区成员的活生生的实验，环境条件是研究多营养相互作用的理想条件。稳定同位素分析，网络分析和统计建模将提供不同方面的动物组合和相互作用的复杂性在一个相对较低的多样性热带环境的指数。反过来，生态系统服务价值评估将为处理比较和可持续生态系统管理提供额外的背景。该奖项反映了NSF的法定使命，并通过使用基金会的知识价值和更广泛的影响审查标准进行评估，被认为值得支持。

项目成果

Linking plant and animal functional diversity with an experimental community restoration in a Hawaiian lowland wet forest

将植物和动物功能多样性与夏威夷低地湿森林的实验性群落恢复联系起来

• DOI: 10.1016/j.fooweb.2020.e00171
• 发表时间: 2020
• 期刊: Food Webs
• 影响因子: 1.7
• 作者: Ostertag, Rebecca;Sebastián-González, Esther;Peck, Robert;Hall, Trebor;Kim, Jihoo;DiManno, Nicole;Rayome, Donald;Cordell, Susan;Banko, Paul;Uowolo, Amanda
• 通讯作者: Uowolo, Amanda

Non-timber Forest Products Survey of Forest Landscape Restoration: A Case Study of Hybrid Ecosystem Restoration in Invaded Hawaiian Forest

森林景观恢复的非木材林产品调查：入侵夏威夷森林混合生态系统恢复案例研究

• DOI: 10.1080/10549811.2022.2123351
• 发表时间: 2022
• 期刊: Journal of Sustainable Forestry
• 影响因子: 1.6
• 作者: Jennison, Céline B.;Ostertag, Rebecca;Rayome, Donald;Cordell, Susan;Malhi, Yadvinder
• 通讯作者: Malhi, Yadvinder

Species Home-Making in Ecosystems: Toward Place-Based Ecological Metrics of Belonging

• DOI: 10.3389/fevo.2021.726571
• 发表时间: 2021-11-16
• 期刊: FRONTIERS IN ECOLOGY AND EVOLUTION
• 影响因子: 3
• 作者: Cordell, Susan;Bardwell-Jones, Celia;DiManno, Nicole
• 通讯作者: DiManno, Nicole