DOI: 10.1111/gcb.13856
Scopus记录号: 2-s2.0-85029223638
论文题名: Natural acidification changes the timing and rate of succession, alters community structure, and increases homogeneity in marine biofouling communities
作者: Brown N.E.M. ; Milazzo M. ; Rastrick S.P.S. ; Hall-Spencer J.M. ; Therriault T.W. ; Harley C.D.G.
刊名: Global Change Biology
ISSN: 13541013
出版年: 2018
卷: 24, 期: 1 起始页码: e112
结束页码: e127
语种: 英语
英文关键词: climate change
; community
; marine biodiversity
; natural analogue
; Ocean acidification
Scopus关键词: annelid
; biodiversity
; biofouling
; climate change
; community structure
; ecosystem function
; food web
; homogeneity
; marine ecosystem
; natural analog
; ocean acidification
; succession
; Ascidiacea
; Botryllus
; Diplosoma (tunicate)
; Serpulidae
; acid
; carbon dioxide
; sea water
; animal
; biofouling
; chemistry
; ecosystem
; food chain
; pH
; physiology
; Urochordata
; Acids
; Animals
; Biofouling
; Carbon Dioxide
; Ecosystem
; Food Chain
; Hydrogen-Ion Concentration
; Seawater
; Urochordata
英文摘要: Ocean acidification may have far-reaching consequences for marine community and ecosystem dynamics, but its full impacts remain poorly understood due to the difficulty of manipulating pCO2 at the ecosystem level to mimic realistic fluctuations that occur on a number of different timescales. It is especially unclear how quickly communities at various stages of development respond to intermediate-scale pCO2 change and, if high pCO2 is relieved mid-succession, whether past acidification effects persist, are reversed by alleviation of pCO2 stress, or are worsened by departures from prior high pCO2 conditions to which organisms had acclimatized. Here, we used reciprocal transplant experiments along a shallow water volcanic pCO2 gradient to assess the importance of the timing and duration of high pCO2 exposure (i.e., discrete events at different stages of successional development vs. continuous exposure) on patterns of colonization and succession in a benthic fouling community. We show that succession at the acidified site was initially delayed (less community change by 8 weeks) but then caught up over the next 4 weeks. These changes in succession led to homogenization of communities maintained in or transplanted to acidified conditions, and altered community structure in ways that reflected both short- and longer-term acidification history. These community shifts are likely a result of interspecific variability in response to increased pCO2 and changes in species interactions. High pCO2 altered biofilm development, allowing serpulids to do best at the acidified site by the end of the experiment, although early (pretransplant) negative effects of pCO2 on recruitment of these worms were still detectable. The ascidians Diplosoma sp. and Botryllus sp. settled later and were more tolerant to acidification. Overall, transient and persistent acidification-driven changes in the biofouling community, via both past and more recent exposure, could have important implications for ecosystem function and food web dynamics. © 2017 John Wiley & Sons Ltd Citation statistics:
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/110572
Appears in Collections: 影响、适应和脆弱性 气候变化事实与影响
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作者单位: Department of Zoology, University of British Columbia, Vancouver, BC, Canada; DiSTeM, CoNISMa, University of Palermo, Palermo, Italy; Ocean and Earth Science, National Oceanography Centre Southampton, University of Southampton, Southampton, United Kingdom; Institute of Marine Research, Bergen, Norway; Marine Biology and Ecology Research Centre, University of Plymouth, Plymouth, United Kingdom; Shimoda Marine Research Centre, Tsukuba University, Tsukuba, Japan; Fisheries and Oceans Canada, Nanaimo, BC, Canada; Institute for the Oceans and Fisheries, University of British Columbia, Vancouver, BC, Canada
Recommended Citation:
Brown N.E.M.,Milazzo M.,Rastrick S.P.S.,et al. Natural acidification changes the timing and rate of succession, alters community structure, and increases homogeneity in marine biofouling communities[J]. Global Change Biology,2018-01-01,24(1)