GSTDTAP  > 气候变化
DOI10.1111/gcb.14379
Similar controls on calcification under ocean acidification across unrelated coral reef taxa
Comeau, Steeve1,2,3; Cornwall, Christopher E.1,2,5; DeCarlo, Thomas M.1,2; Krieger, Erik1,4,5; McCulloch, Malcolm T.1,2
2018-10-01
发表期刊GLOBAL CHANGE BIOLOGY
ISSN1354-1013
EISSN1365-2486
出版年2018
卷号24期号:10页码:4857-4868
文章类型Article
语种英语
国家Australia; France; Germany; New Zealand
英文摘要

Ocean acidification (OA) is a major threat to marine ecosystems, particularly coral reefs which are heavily reliant on calcareous species. OA decreases seawater pH and calcium carbonate saturation state (), and increases the concentration of dissolved inorganic carbon (DIC). Intense scientific effort has attempted to determine the mechanisms via which ocean acidification (OA) influences calcification, led by early hypotheses that calcium carbonate saturation state () is the main driver. We grew corals and coralline algae for 8-21weeks, under treatments where the seawater parameters , pH, and DIC were manipulated to examine their differential effects on calcification rates and calcifying fluid chemistry ((cf), pH(cf), and DICcf). Here, using long duration experiments, we provide geochemical evidence that differing physiological controls on carbonate chemistry at the site of calcification, rather than seawater , are the main determinants of calcification. We found that changes in seawater pH and DIC rather than had the greatest effects on calcification and calcifying fluid chemistry, though the effects of seawater carbonate chemistry were limited. Our results demonstrate the capacity of organisms from taxa with vastly different calcification mechanisms to regulate their internal chemistry under extreme chemical conditions. These findings provide an explanation for the resistance of some species to OA, while also demonstrating how changes in seawater DIC and pH under OA influence calcification of key coral reef taxa.


英文关键词calcifying fluid calcium coral coralline alga dissolved inorganic carbon pH physiology
领域气候变化 ; 资源环境
收录类别SCI-E
WOS记录号WOS:000445728800031
WOS关键词SEAWATER ACIDIFICATION ; RAMAN-SPECTROSCOPY ; CHANGING WORLD ; UP-REGULATION ; PH ; PHOTOSYNTHESIS ; MECHANISMS ; METAANALYSIS ; SENSITIVITY ; SATURATION
WOS类目Biodiversity Conservation ; Ecology ; Environmental Sciences
WOS研究方向Biodiversity & Conservation ; Environmental Sciences & Ecology
引用统计
文献类型期刊论文
条目标识符http://119.78.100.173/C666/handle/2XK7JSWQ/17340
专题气候变化
资源环境科学
作者单位1.Univ Western Australia, Oceans Grad Sch, 35 Stirling Highway, Crawley, WA 6009, Australia;
2.ARC Ctr Excellence Coral Reef Studies, Crawley, WA, Australia;
3.Sorbonne Univ, CNRS, INSU, Lab Oceanog Villefranche, Villefranche Sur Mer, France;
4.Univ Bremen, Fachbereich Biol Chem 2, Bremen, Germany;
5.Victoria Univ Wellington, Sch Biol Sci, Wellington, New Zealand
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GB/T 7714
Comeau, Steeve,Cornwall, Christopher E.,DeCarlo, Thomas M.,et al. Similar controls on calcification under ocean acidification across unrelated coral reef taxa[J]. GLOBAL CHANGE BIOLOGY,2018,24(10):4857-4868.
APA Comeau, Steeve,Cornwall, Christopher E.,DeCarlo, Thomas M.,Krieger, Erik,&McCulloch, Malcolm T..(2018).Similar controls on calcification under ocean acidification across unrelated coral reef taxa.GLOBAL CHANGE BIOLOGY,24(10),4857-4868.
MLA Comeau, Steeve,et al."Similar controls on calcification under ocean acidification across unrelated coral reef taxa".GLOBAL CHANGE BIOLOGY 24.10(2018):4857-4868.
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