Sea urchin fertilization in a warm, acidified and high pCO ocean across a range of sperm densities
International audience Marine invertebrate gametes are being spawned into an ocean simultaneously warming, acidifying and increasing in pCO. Decreased pH/increased pCO narcotizes sperm indicating that acidification may impair fertilization, exacerbating problems of sperm limitation, with dire implic...
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ftccsdartic:oai:HAL:hal-00564780v1 2023-05-15T17:51:14+02:00 Sea urchin fertilization in a warm, acidified and high pCO ocean across a range of sperm densities Byrne, Maria Soars, Natalie Selvakumaraswamy, Paulina Dworjanyn, Symon A. Davis, Andrew R. The University of New England and Southern Cross University University of Wollongong Australia 2010-02-10 https://hal.archives-ouvertes.fr/hal-00564780 https://hal.archives-ouvertes.fr/hal-00564780/document https://hal.archives-ouvertes.fr/hal-00564780/file/PEER_stage2_10.1016%252Fj.marenvres.2009.10.014.pdf https://doi.org/10.1016/j.marenvres.2009.10.014 en eng HAL CCSD Elsevier science info:eu-repo/semantics/altIdentifier/doi/10.1016/j.marenvres.2009.10.014 hal-00564780 https://hal.archives-ouvertes.fr/hal-00564780 https://hal.archives-ouvertes.fr/hal-00564780/document https://hal.archives-ouvertes.fr/hal-00564780/file/PEER_stage2_10.1016%252Fj.marenvres.2009.10.014.pdf doi:10.1016/j.marenvres.2009.10.014 info:eu-repo/semantics/OpenAccess ISSN: 0141-1136 EISSN: 1879-0291 Marine Environmental Research https://hal.archives-ouvertes.fr/hal-00564780 Marine Environmental Research, Elsevier science, 2010, 69 (4), pp.234. ⟨10.1016/j.marenvres.2009.10.014⟩ Climate change Ocean warming Ocean acidification Sperm concentration Sea urchin Fertilization pH/pCO info:eu-repo/semantics/article Journal articles 2010 ftccsdartic https://doi.org/10.1016/j.marenvres.2009.10.014 2021-12-19T03:43:12Z International audience Marine invertebrate gametes are being spawned into an ocean simultaneously warming, acidifying and increasing in pCO. Decreased pH/increased pCO narcotizes sperm indicating that acidification may impair fertilization, exacerbating problems of sperm limitation, with dire implications for marine life. In contrast, increased temperature may have a stimulatory effect, enhancing fertilization. We investigated effects of ocean change on sea urchin fertilization across a range of sperm densities. We address two predictions: 1) low pH/increased pCO reduces fertilization at low sperm density and 2) increased temperature enhances fertilization, buffering negative effects of acidification and increased pCO. Neither prediction was supported. Fertilization was only affected by sperm density. Increased acidification and pCO did not reduce fertilization even at low sperm density and increased temperature did not enhance fertilization. It is important to identify where vulnerabilities lie across life histories and our results indicate that sea urchin fertilization is robust to climate change stressors. However, developmental stages may be vulnerable to ocean change. Article in Journal/Newspaper Ocean acidification Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe) Marine Environmental Research 69 4 234 239 |
institution |
Open Polar |
collection |
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe) |
op_collection_id |
ftccsdartic |
language |
English |
topic |
Climate change Ocean warming Ocean acidification Sperm concentration Sea urchin Fertilization pH/pCO |
spellingShingle |
Climate change Ocean warming Ocean acidification Sperm concentration Sea urchin Fertilization pH/pCO Byrne, Maria Soars, Natalie Selvakumaraswamy, Paulina Dworjanyn, Symon A. Davis, Andrew R. Sea urchin fertilization in a warm, acidified and high pCO ocean across a range of sperm densities |
topic_facet |
Climate change Ocean warming Ocean acidification Sperm concentration Sea urchin Fertilization pH/pCO |
description |
International audience Marine invertebrate gametes are being spawned into an ocean simultaneously warming, acidifying and increasing in pCO. Decreased pH/increased pCO narcotizes sperm indicating that acidification may impair fertilization, exacerbating problems of sperm limitation, with dire implications for marine life. In contrast, increased temperature may have a stimulatory effect, enhancing fertilization. We investigated effects of ocean change on sea urchin fertilization across a range of sperm densities. We address two predictions: 1) low pH/increased pCO reduces fertilization at low sperm density and 2) increased temperature enhances fertilization, buffering negative effects of acidification and increased pCO. Neither prediction was supported. Fertilization was only affected by sperm density. Increased acidification and pCO did not reduce fertilization even at low sperm density and increased temperature did not enhance fertilization. It is important to identify where vulnerabilities lie across life histories and our results indicate that sea urchin fertilization is robust to climate change stressors. However, developmental stages may be vulnerable to ocean change. |
author2 |
The University of New England and Southern Cross University University of Wollongong Australia |
format |
Article in Journal/Newspaper |
author |
Byrne, Maria Soars, Natalie Selvakumaraswamy, Paulina Dworjanyn, Symon A. Davis, Andrew R. |
author_facet |
Byrne, Maria Soars, Natalie Selvakumaraswamy, Paulina Dworjanyn, Symon A. Davis, Andrew R. |
author_sort |
Byrne, Maria |
title |
Sea urchin fertilization in a warm, acidified and high pCO ocean across a range of sperm densities |
title_short |
Sea urchin fertilization in a warm, acidified and high pCO ocean across a range of sperm densities |
title_full |
Sea urchin fertilization in a warm, acidified and high pCO ocean across a range of sperm densities |
title_fullStr |
Sea urchin fertilization in a warm, acidified and high pCO ocean across a range of sperm densities |
title_full_unstemmed |
Sea urchin fertilization in a warm, acidified and high pCO ocean across a range of sperm densities |
title_sort |
sea urchin fertilization in a warm, acidified and high pco ocean across a range of sperm densities |
publisher |
HAL CCSD |
publishDate |
2010 |
url |
https://hal.archives-ouvertes.fr/hal-00564780 https://hal.archives-ouvertes.fr/hal-00564780/document https://hal.archives-ouvertes.fr/hal-00564780/file/PEER_stage2_10.1016%252Fj.marenvres.2009.10.014.pdf https://doi.org/10.1016/j.marenvres.2009.10.014 |
genre |
Ocean acidification |
genre_facet |
Ocean acidification |
op_source |
ISSN: 0141-1136 EISSN: 1879-0291 Marine Environmental Research https://hal.archives-ouvertes.fr/hal-00564780 Marine Environmental Research, Elsevier science, 2010, 69 (4), pp.234. ⟨10.1016/j.marenvres.2009.10.014⟩ |
op_relation |
info:eu-repo/semantics/altIdentifier/doi/10.1016/j.marenvres.2009.10.014 hal-00564780 https://hal.archives-ouvertes.fr/hal-00564780 https://hal.archives-ouvertes.fr/hal-00564780/document https://hal.archives-ouvertes.fr/hal-00564780/file/PEER_stage2_10.1016%252Fj.marenvres.2009.10.014.pdf doi:10.1016/j.marenvres.2009.10.014 |
op_rights |
info:eu-repo/semantics/OpenAccess |
op_doi |
https://doi.org/10.1016/j.marenvres.2009.10.014 |
container_title |
Marine Environmental Research |
container_volume |
69 |
container_issue |
4 |
container_start_page |
234 |
op_container_end_page |
239 |
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1766158324571570176 |