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Land use effects on response diversity in animal - plant interactions (Acronym: RESPONSE)

土地利用对动植物相互作用反应多样性的影响（缩写：RESPONSE）

基本信息

批准号：
193650175
负责人：
Professor Dr. Nico Blüthgen
金额：
--
依托单位：
Arbeitsgruppe Ecological Networks
依托单位国家：
德国
项目类别：
Infrastructure Priority Programmes
财政年份：
2011
资助国家：
德国
起止时间：
2010-12-31 至 2017-12-31
项目状态：
已结题

来源：
https://gepris.dfg.de/gepris/projekt/193650175?language=en
关键词：
Land use effects response diversity

项目摘要

Land use intensification is considered a threat to biodiversity and ecosystem functioning, but mechanisms and consequences are poorly understood. The goal of the proposed project is to understand how response diversity – in addition to the more commonly studied biodiversity and functional diversity – changes with land use. Response diversity is the prerequisite for the resilience of ecosystem functions, suggesting that the insurance of a system against disturbance relies on functionally ‘redundant’ species that differ in their responses to environmental changes. This study will focus on interspecific variation in temperature responses and related drought stress in pollinators, herbivores and plants. Besides an increase in average temperature, variation in winter and summer temperatures are likely to increase with climate change, and periods with extreme conditions become more frequent. This variability will affect species in different ways. The core question is whether increasing land use, corresponding to decreased biodiversity, leads to lower response diversity and projected resilience in communities. The project will present the first large-scale investigation of land use impacts on functional redundancy as well as response diversity, using plant-pollinator and plant-herbivore interaction networks as target systems.

土地利用集约化被认为对生物多样性和生态系统功能构成威胁，但其机制和后果却知之甚少。拟议项目的目标是了解响应多样性（除了更普遍研究的生物多样性和功能多样性之外）如何随土地利用而变化。响应多样性是生态系统功能恢复力的先决条件，这表明系统免受干扰的保障依赖于功能上“冗余”的物种，这些物种对环境变化的响应不同。这项研究将重点关注传粉媒介、食草动物和植物的温度反应和相关干旱胁迫的种间变化。除了平均气温上升之外，冬季和夏季气温的变化可能会随着气候变化而增加，极端条件的时期也会变得更加频繁。这种变异性将以不同的方式影响物种。核心问题是，随着生物多样性的减少，土地使用的增加是否会导致社区的应对多样性和预计复原力降低。该项目将使用植物-传粉媒介和植物-草食动物相互作用网络作为目标系统，首次大规模调查土地利用对功能冗余和反应多样性的影响。