DOI: 10.1111/gcb.13002
论文题名: Sponge erosion under acidification and warming scenarios: Differential impacts on living and dead coral
作者: Stubler A.D. ; Furman B.T. ; Peterson B.J.
刊名: Global Change Biology
ISSN: 13541013
出版年: 2015
卷: 21, 期: 11 起始页码: 4006
结束页码: 4020
语种: 英语
英文关键词: Porites
; Boring sponge
; Climate change
; Cliona
; Coral reef ecosystems
; Ocean acidification
; Simulation model
; Sponge bioerosion
Scopus关键词: acclimation
; acidification
; bioerosion
; boring organism
; calcification
; climate change
; coral reef
; numerical model
; pH
; sponge
; temperature effect
; Anthozoa
; Cliona
; Porites
; Porites furcata
; sea water
; animal
; Anthozoa
; bone mineralization
; chemistry
; climate change
; coral reef
; heat
; pH
; physiology
; species difference
; sponge (Porifera)
; Animals
; Anthozoa
; Calcification, Physiologic
; Climate Change
; Coral Reefs
; Hot Temperature
; Hydrogen-Ion Concentration
; Porifera
; Seawater
; Species Specificity
英文摘要: Ocean acidification will disproportionately impact the growth of calcifying organisms in coral reef ecosystems. Simultaneously, sponge bioerosion rates have been shown to increase as seawater pH decreases. We conducted a 20-week experiment that included a 4-week acclimation period with a high number of replicate tanks and a fully orthogonal design with two levels of temperature (ambient and +1 °C), three levels of pH (8.1, 7.8, and 7.6), and two levels of boring sponge (Cliona varians, present and absent) to account for differences in sponge attachment and carbonate change for both living and dead coral substrate (Porites furcata). Net coral calcification, net dissolution/bioerosion, coral and sponge survival, sponge attachment, and sponge symbiont health were evaluated. Additionally, we used the empirical data from the experiment to develop a stochastic simulation of carbonate change for small coral clusters (i.e., simulated reefs). Our findings suggest differential impacts of temperature, pH and sponge presence for living and dead corals. Net coral calcification (mg CaCO3 cm-2 day-1) was significantly reduced in treatments with increased temperature (+1 °C) and when sponges were present; acidification had no significant effect on coral calcification. Net dissolution of dead coral was primarily driven by pH, regardless of sponge presence or seawater temperature. A reevaluation of the current paradigm of coral carbonate change under future acidification and warming scenarios should include ecologically relevant timescales, species interactions, and community organization to more accurately predict ecosystem-level response to future conditions. © 2015 John Wiley & Sons Ltd. Citation statistics:
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/61712
Appears in Collections: 影响、适应和脆弱性
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作者单位: School of Marine and Atmospheric Sciences, Stony Brook University, Southampton, NY, United States
Recommended Citation:
Stubler A.D.,Furman B.T.,Peterson B.J.. Sponge erosion under acidification and warming scenarios: Differential impacts on living and dead coral[J]. Global Change Biology,2015-01-01,21(11)