How does habitat fragmentation affect the biodiversity and ecosystem functioning relationship?

Jiajia Liu, Maxwell Wilson, Guang Hu, Jinliang Liu, Jianguo Wu, Mingjian Yu

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

Context: The relationship between biodiversity and ecosystem functioning (BEF) has been a central topic in ecology for more than 20 years. While experimental and theoretical studies have produced much knowledge of how biodiversity affects ecosystem functioning, it remains poorly understood how habitat fragmentation affects the BEF relationship. Objectives: To develop a framework that connects habitat fragmentation to the BEF relationship from a landscape perspective. Methods: We reviewed the literature on habitat fragmentation, BEF, and related fields, and developed a framework to analyze how habitat fragmentation affects the BEF relationship through altering biodiversity, environmental conditions, and both, based on the pattern-process-scale perspective in landscape ecology. Results: Our synthesis of the literature suggests that habitat fragmentation can alter BEF relationship through several processes. First, habitat fragmentation causes the non-random loss of species that make major contributions to ecosystem functioning (decreasing sampling effect), and reduces mutualistic interactions (decreasing complementarity effects) regardless of the changes in species richness. Second, environmental conditions within patches and ecological flows among patches vary significantly with the degree of fragmentation, which potentially contributes to and modulates the BEF relationship. Conclusions: Habitat fragmentation can affect the BEF relationship directly by altering community composition, as well as indirectly by changing environmental conditions within and among habitat patches on both local and landscape levels. The BEF relationship obtained from small plots and over short time periods may not fully represent that in real landscapes that are fragmented, dynamic, and continuously influenced by myriad human activities on different scales in time and space.

Original languageEnglish (US)
Pages (from-to)341-352
Number of pages12
JournalLandscape Ecology
Volume33
Issue number3
DOIs
StatePublished - Mar 1 2018

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habitat fragmentation
biodiversity
fragmentation
habitat
ecosystem
environmental factors
environmental conditions
ecology
landscape ecology
complementarity
theoretical study
community composition
human activity
experimental study
species richness
cause

Keywords

  • Complementarity effect
  • Ecosystem properties
  • Environment conditions
  • Functional traits
  • Habitat fragmentation
  • Non-random loss

ASJC Scopus subject areas

  • Geography, Planning and Development
  • Ecology
  • Nature and Landscape Conservation

Cite this

How does habitat fragmentation affect the biodiversity and ecosystem functioning relationship? / Liu, Jiajia; Wilson, Maxwell; Hu, Guang; Liu, Jinliang; Wu, Jianguo; Yu, Mingjian.

In: Landscape Ecology, Vol. 33, No. 3, 01.03.2018, p. 341-352.

Research output: Contribution to journalArticle

Liu, Jiajia ; Wilson, Maxwell ; Hu, Guang ; Liu, Jinliang ; Wu, Jianguo ; Yu, Mingjian. / How does habitat fragmentation affect the biodiversity and ecosystem functioning relationship?. In: Landscape Ecology. 2018 ; Vol. 33, No. 3. pp. 341-352.
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