gchange  > 影响、适应和脆弱性
DOI: 10.1111/gcb.14290
Scopus ID: 2-s2.0-85047546610
Title:
Ocean warming has a greater effect than acidification on the early life history development and swimming performance of a large circumglobal pelagic fish
Author: Watson S.-A.; Allan B.J.M.; McQueen D.E.; Nicol S.; Parsons D.M.; Pether S.M.J.; Pope S.; Setiawan A.N.; Smith N.; Wilson C.; Munday P.L.
Source Publication: Global Change Biology
ISSN: 13541013
Indexed By: SCI ; SCI-E
Publishing Year: 2018
Volume: 24, Issue:9
pages begin: 4368
pages end: 4385
Language: 英语
Keyword: carbon dioxide ; critical swimming speed ; early life history ; larval development ; morphology ; Seriola lalandi ; temperature ; yellowtail kingfish
Scopus Keyword: Pisces ; Seriola lalandi
English Abstract: Ocean warming and acidification are serious threats to marine life; however, their individual and combined effects on large pelagic and predatory fishes are poorly understood. We determined the effects of projected future temperature and carbon dioxide (CO2) levels on survival, growth, morphological development and swimming performance on the early life stages of a large circumglobal pelagic fish, the yellowtail kingfish Seriola lalandi. Eggs, larvae and juveniles were reared in cross-factored treatments of temperature (21 and 25°C) and pCO2 (500 and 985 μatm) from fertilisation to 25 days post hatching (dph). Temperature had the greatest effect on survival, growth and development. Survivorship was lower, but growth and morphological development were faster at 25°C, with surviving fish larger and more developed at 1, 11 and 21 dph. Elevated pCO2 affected size at 1 dph, but not at 11 or 21 dph, and did not affect survival or morphological development. Elevated temperature and pCO2 had opposing effects on swimming performance at 21 dph. Critical swimming speed (Ucrit) was increased by elevated temperature but reduced by elevated pCO2. Additionally, elevated temperature increased the proportion of individuals that responded to a startle stimulus, reduced latency to respond and increased maximum escape speed, potentially due to the more advanced developmental stage of juveniles at 25°C. By contrast, elevated pCO2 reduced the distance moved and average speed in response to a startle stimulus. Our results show that higher temperature is likely to be the primary driver of global change impacts on kingfish early life history; however, elevated pCO2 could affect critical aspects of swimming performance in this pelagic species. Our findings will help parameterise and structure fisheries population dynamics models and improve projections of impacts to large pelagic fishes under climate change scenarios to better inform adaptation and mitigation responses. © 2018 John Wiley & Sons Ltd
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被引频次[WOS]:6   [查看WOS记录]     [查看WOS中相关记录]
Document Type: 期刊论文
Identifier: http://119.78.100.177/globalchange/handle/2HF3EXSE/110244
Appears in Collections:影响、适应和脆弱性
气候变化事实与影响

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Affiliation: Australian Research Council Centre of Excellence for Coral Reef Studies, James Cook University, Townsville, QLD, Australia; National Institute of Water and Atmospheric Research, Northland Marine Research Centre, Ruakaka, New Zealand; Insitute for Applied Ecology, University of Canberra, Canberra, ACT, Australia; National Institute of Water and Atmospheric Research Ltd, Auckland, New Zealand; Institute of Marine Science, University of Auckland, Auckland, New Zealand; Oceanic Fisheries Programme, Pacific Community, Noumea, New Caledonia

Recommended Citation:
Watson S.-A.,Allan B.J.M.,McQueen D.E.,et al. Ocean warming has a greater effect than acidification on the early life history development and swimming performance of a large circumglobal pelagic fish[J]. Global Change Biology,2018-01-01,24(9)
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