globalchange  > 全球变化的国际研究计划
DOI: 10.1111/oik.05868
WOS记录号: WOS:000478622500010
论文题名:
Interactive community responses to disturbance in streams: disturbance history moderates the influence of disturbance types
作者: Eveleens, Roland A.; McIntosh, Angus R.; Warburton, Helen J.
通讯作者: Eveleens, Roland A.
刊名: OIKOS
ISSN: 0030-1299
EISSN: 1600-0706
出版年: 2019
卷: 128, 期:8, 页码:1170-1181
语种: 英语
英文关键词: channel experiment ; community composition ; drying ; flooding ; resilience ; resistance ; species traits ; streams
WOS关键词: SPECIES TRAITS ; INVERTEBRATE COMMUNITIES ; MULTIPLE STRESSORS ; HABITAT TEMPLET ; BIODIVERSITY PATTERNS ; EXTREME EVENTS ; FLOW ; RESISTANCE ; DIVERSITY ; RESILIENCE
WOS学科分类: Ecology
WOS研究方向: Environmental Sciences & Ecology
英文摘要:

Both disturbance history and disturbance type act to structure communities through selecting for particular species traits but they may also interact. For example, flooding selects for species with flood-resistant traits in streams, but those traits could make communities susceptible to other disturbances and so could cause shifts in community composition due to anthropogenic climate change. To better understand the interactive influences of disturbance history and type on community composition, we investigated the response of macroinvertebrate communities to disturbance using in-stream channels. Using a split-plot design, individual channels in five 'stable' streams and five 'frequently disturbed' streams (disturbance history) were subject to different disturbance type treatments (flooding, drying and a control). Disturbance type independently drove effects on species diversity, but all other effects of disturbance type depended on disturbance history. In particular, the interaction of disturbance type and history determined overall community response. Both disturbance types tested produced similar community responses in frequently disturbed streams, including changes in community composition and alterations to the abundance of less mobile taxa, but low-flow had a significantly greater effect in stable streams. Macroinvertebrate drift was greatest in the rock-rolling treatments and significantly less in the low-flow treatment for both disturbance histories. Therefore, disturbance history moderated the effects of disturbance type and determined the mechanism of community response by determining how well species were adapted to disturbance. This outcome suggests that previous disturbances strongly influence how vulnerable communities are to changes in disturbance, and so should be considered when predicting how changes in disturbance regimes will affect future community composition.


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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/144645
Appears in Collections:全球变化的国际研究计划

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作者单位: Univ Canterbur, Sch Biol Sci, Private Bag 4800, Christchurch 8140, New Zealand

Recommended Citation:
Eveleens, Roland A.,McIntosh, Angus R.,Warburton, Helen J.. Interactive community responses to disturbance in streams: disturbance history moderates the influence of disturbance types[J]. OIKOS,2019-01-01,128(8):1170-1181
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