Relative importance of tree species and genotypic diversity for above- and belowground processes in boreal forest

北方森林地上和地下过程中树种和基因型多样性的相对重要性

基本信息

  • 批准号:
    NE/K014285/1
  • 负责人:
  • 金额:
    $ 51.33万
  • 依托单位:
  • 依托单位国家:
    英国
  • 项目类别:
    Research Grant
  • 财政年份:
    2014
  • 资助国家:
    英国
  • 起止时间:
    2014 至 无数据
  • 项目状态:
    已结题

项目摘要

The majority of forests in Europe are managed and underwent considerable changes in tree species richness, species composition and genetic diversity over the last few centuries. However, sound scientific evidence of the impact of these changes in tree species and genetic diversity on how the ecosystems work and the services they provide, including human well-being, is still lacking. We need this knowledge in order to effectively conserve and utilise our forests in the face of environmental change. Boreal forests are particularly species-poor, and therefore addition or loss of a single tree species may be expected to have larger effects on the ecosystem. In addition, the variation within tree species has also been recently shown to be an important determinant of ecosystem functioning, but the relative importance of variation between tree species and within a single species has not yet been addressed in a single study. In this project we take advantage of two unique long-term experiments previously established by our team in boreal forests of SW Finland. These experiments manipulate both tree species diversity and tree within-species genetic diversity. We will examine how this tree-based biodiversity affects the range of animals, microbes and fungi associated with the forest, how the ecosystems work, from above-ground insects to the tree's growth and the unseen but crucial biodiversity in the soil. A key connection between the trees and their associated biodiversity is their content of different chemical defences which protect them from their enemies and can have consequences for other organisms and ecosystem processes. Understanding the relative role of genetic and species diversity is important because we need to know whether conservation and management efforts have to be focused on species richness or intraspecific diversity. Therefore, the results of this project will be important for prioritizing conservation efforts and predicting consequences of biodiversity declines.
在过去的几个世纪里,欧洲的大多数森林都得到了管理,并在树木物种丰富度、物种组成和遗传多样性方面经历了相当大的变化。然而,树木物种和遗传多样性的这些变化对生态系统如何运作及其提供的服务,包括人类福祉的影响,仍然缺乏可靠的科学证据。我们需要这些知识,以便在面对环境变化时有效地保护和利用我们的森林。北方森林特别缺乏物种,因此单一树种的增加或减少可能会对生态系统产生更大的影响。此外,树种内的变异最近也被证明是生态系统功能的一个重要决定因素,但树种间和单一物种内变异的相对重要性尚未在一项研究中得到解决。在这个项目中,我们利用了我们的团队之前在芬兰西南部北方森林建立的两个独特的长期实验。这些实验既操纵了树种多样性,也操纵了树种内遗传多样性。我们将研究这种以树木为基础的生物多样性如何影响与森林相关的动物、微生物和真菌的范围,生态系统如何工作,从地上的昆虫到树木的生长,以及土壤中看不见但至关重要的生物多样性。树木与它们相关的生物多样性之间的一个关键联系是它们含有不同的化学防御系统,这些化学防御系统保护它们免受敌人的伤害,并可能对其他生物和生态系统过程产生影响。了解遗传多样性和物种多样性的相对作用很重要,因为我们需要知道保护和管理工作是否必须侧重于物种丰富度或种内多样性。因此,该项目的结果对于确定保护工作的优先顺序和预测生物多样性下降的后果将是重要的。

项目成果

期刊论文数量(5)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Contrasting effects of tree species and genetic diversity on the leaf-miner communities associated with silver birch
  • DOI:
    10.1007/s00442-019-04351-x
  • 发表时间:
    2019-03-01
  • 期刊:
  • 影响因子:
    2.7
  • 作者:
    Barantal, Sandra;Castagneyrol, Bastien;Koricheva, Julia
  • 通讯作者:
    Koricheva, Julia
Forest diversity effects on insect herbivores: do leaf traits matter?
  • DOI:
    10.1111/nph.15558
  • 发表时间:
    2019-03
  • 期刊:
  • 影响因子:
    0
  • 作者:
    Muiruri EW;Barantal S;Iason GR;Salminen JP;Perez-Fernandez E;Koricheva J
  • 通讯作者:
    Koricheva J
Relative importance of tree species and genotypic diversity for above- and below ground processes in boreal forest
树种和基因型多样性对北方森林地上和地下过程的相对重要性
  • DOI:
    10.21820/23987073.2017.1.58
  • 发表时间:
    2017
  • 期刊:
  • 影响因子:
    0
  • 作者:
    Koricheva J
  • 通讯作者:
    Koricheva J
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Julia Koricheva其他文献

Delayed induced responses of birch glandular trichomes and leaf surface lipophilic compounds to mechanical defoliation and simulated winter browsing
  • DOI:
    10.1007/s00442-005-0216-z
  • 发表时间:
    2005-09-27
  • 期刊:
  • 影响因子:
    2.300
  • 作者:
    Elena Valkama;Julia Koricheva;Vladimir Ossipov;Svetlana Ossipova;Erkki Haukioja;Kalevi Pihlaja
  • 通讯作者:
    Kalevi Pihlaja
Effects of forest management on the abundance of insect pests on Scots pine
  • DOI:
    10.1016/j.foreco.2006.05.048
  • 发表时间:
    2006-08-01
  • 期刊:
  • 影响因子:
  • 作者:
    Timo O. Veteli;Julia Koricheva;Pekka Niemelä;Seppo Kellomäki
  • 通讯作者:
    Seppo Kellomäki
Meta-analysis and the science of research synthesis
荟萃分析与研究综合科学
  • DOI:
    10.1038/nature25753
  • 发表时间:
    2018-03-08
  • 期刊:
  • 影响因子:
    48.500
  • 作者:
    Jessica Gurevitch;Julia Koricheva;Shinichi Nakagawa;Gavin Stewart
  • 通讯作者:
    Gavin Stewart
Empowering peer reviewers with a checklist to improve transparency
赋予同行评审人员一份清单以提高透明度
  • DOI:
    10.1038/s41559-018-0545-z
  • 发表时间:
    2018-05-22
  • 期刊:
  • 影响因子:
    14.500
  • 作者:
    Timothy H. Parker;Simon C. Griffith;Judith L. Bronstein;Fiona Fidler;Susan Foster;Hannah Fraser;Wolfgang Forstmeier;Jessica Gurevitch;Julia Koricheva;Ralf Seppelt;Morgan W. Tingley;Shinichi Nakagawa
  • 通讯作者:
    Shinichi Nakagawa
Meta-analysis and the science of research synthesis
荟萃分析与研究综合科学
  • DOI:
    10.1038/nature25753
  • 发表时间:
    2018-03-08
  • 期刊:
  • 影响因子:
    48.500
  • 作者:
    Jessica Gurevitch;Julia Koricheva;Shinichi Nakagawa;Gavin Stewart
  • 通讯作者:
    Gavin Stewart

Julia Koricheva的其他文献

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