Juvenile growth of the tropical sea urchin Lytechinus variegatus exposed to near-future ocean acidification scenarios

Rebecca Albright; Charnelle Bland; Phillip Gillette; Joseph E. Serafy; Chris Langdon; Thomas R. Capo

doi:10.1016/j.jembe.2012.05.017

Juvenile growth of the tropical sea urchin Lytechinus variegatus exposed to near-future ocean acidification scenarios

Rebecca Albright, Charnelle Bland, Phillip Gillette, Joseph E. Serafy, Chris Langdon, Thomas R. Capo

Research output: Contribution to journal › Article › peer-review

40 Scopus citations

Abstract

To evaluate the effect of elevated pCO ₂ exposure on the juvenile growth of the sea urchin Lytechinus variegatus, we reared individuals for 3months in one of three target pCO ₂ levels: ambient seawater (380μatm) and two scenarios that are projected to occur by the middle (560μatm) and end (800μatm) of this century. At the end of 89days, urchins reared at ambient pCO ₂ weighed 12% more than those reared at 560μatm and 28% more than those reared at 800μatm. Skeletons were analyzed using scanning electron microscopy, revealing degradation of spines in urchins reared at elevated pCO ₂ (800μatm). Our results indicate that elevated pCO ₂ levels projected to occur this century may adversely affect the development of juvenile sea urchins. Acidification-induced changes to juvenile urchin development would likely impair performance and functioning of juvenile stages with implications for adult populations.

Original language	English (US)
Pages (from-to)	12-17
Number of pages	6
Journal	Journal of Experimental Marine Biology and Ecology
Volume	426-427
DOIs	https://doi.org/10.1016/j.jembe.2012.05.017
State	Published - Sep 1 2012

Keywords

Carbon dioxide
CO
Development
Echinoderm
Invertebrate
PCO
PH

ASJC Scopus subject areas

Aquatic Science
Ecology, Evolution, Behavior and Systematics

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Juvenile growth of the tropical sea urchin Lytechinus variegatus exposed to near-future ocean acidification scenarios. / Albright, Rebecca; Bland, Charnelle; Gillette, Phillip; Serafy, Joseph E.; Langdon, Chris; Capo, Thomas R.

In: Journal of Experimental Marine Biology and Ecology, Vol. 426-427, 01.09.2012, p. 12-17.

Research output: Contribution to journal › Article › peer-review

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abstract = "To evaluate the effect of elevated pCO 2 exposure on the juvenile growth of the sea urchin Lytechinus variegatus, we reared individuals for 3months in one of three target pCO 2 levels: ambient seawater (380μatm) and two scenarios that are projected to occur by the middle (560μatm) and end (800μatm) of this century. At the end of 89days, urchins reared at ambient pCO 2 weighed 12% more than those reared at 560μatm and 28% more than those reared at 800μatm. Skeletons were analyzed using scanning electron microscopy, revealing degradation of spines in urchins reared at elevated pCO 2 (800μatm). Our results indicate that elevated pCO 2 levels projected to occur this century may adversely affect the development of juvenile sea urchins. Acidification-induced changes to juvenile urchin development would likely impair performance and functioning of juvenile stages with implications for adult populations.",

keywords = "Carbon dioxide, CO, Development, Echinoderm, Invertebrate, PCO, PH",

author = "Rebecca Albright and Charnelle Bland and Phillip Gillette and Serafy, {Joseph E.} and Chris Langdon and Capo, {Thomas R.}",

note = "Funding Information: We are grateful to P. Blackwelder and H. Al-Sayegh of the University of Miami's Center for Advanced Microscopy (UMCAM) for their assistance with SEM analyses and Dustin Stommes for laboratory assistance. Support for this project was provided by NIH-NCRR ( RR010294 , awarded to TC), and National Science Foundation Grant ( NSF OCE 0547169 ) and the Korein Foundation (awarded to CL). [ ST ] ",

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AU - Capo, Thomas R.

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