Transgenerational plasticity and climate change experiments: Where do we go from here?

Global Change Biology, Journal Year: 2017, Volume and Issue: 24(1), P. 13 - 34

Published: Oct. 12, 2017

Abstract Phenotypic plasticity, both within and across generations, is an important mechanism that organisms use to cope with rapid climate change. While increasing number of studies show plasticity generations (transgenerational or TGP ) may occur, we have limited understanding key aspects , such as the environmental conditions promote it, its relationship within‐generation ( WGP role in evolutionary potential. In this review, consider how detection change experiments affected by predictability variation, well timing magnitude cues applied. We also discuss need design are able distinguish from selection multigenerational experiments. conclude suggesting future research directions build on knowledge date admit limitations exist, which will depend way simulated type experimental used. Such approach open up burgeoning area a wider variety allow better predictive capacity response

Language: Английский

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Animal behaviour shapes the ecological effects of ocean acidification and warming: moving from individual to community‐level responses

Global Change Biology, Journal Year: 2015, Volume and Issue: 22(3), P. 974 - 989

Published: Dec. 23, 2015

Abstract Biological communities are shaped by complex interactions between organisms and their environment as well with other species. Humans rapidly changing the marine through increasing greenhouse gas emissions, resulting in ocean warming acidification. The first response animals to environmental change is predominantly modification of behaviour, which turn affects species ecological processes. Yet, many climate studies ignore animal behaviour. Furthermore, our current knowledge how global alters behaviour mostly restricted single species, life phases stressors, leading an incomplete view coinciding stressors can affect that structure biological communities. Here, we review on effects acidification animals. We demonstrate pervasive a wide range critical behaviours determine persistence success then evaluate several approaches studying acidification, identify gaps need be filled, better understand will populations altered behaviours. Our provides synthesis far‐reaching consequences behavioural changes could have for ecosystems environment. Without considering limit ability forecast impacts provide insights aid management strategies.

Language: Английский

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Are global warming and ocean acidification conspiring against marine ectotherms? A meta-analysis of the respiratory effects of elevated temperature, high CO₂and their interaction

Conservation Physiology, Journal Year: 2016, Volume and Issue: 4(1), P. cow009 - cow009

Published: Jan. 1, 2016

With the occurrence of global change, research aimed at estimating performance marine ectotherms in a warmer and acidified future has intensified. The concept oxygen- capacity-limited thermal tolerance, which is inspired by Fry paradigm bell-shaped increase–optimum–decrease-type response aerobic scope to increasing temperature, but also includes proposed negative synergistic effects elevated CO2 levels, been suggested as unifying framework. objectives this meta-analysis were assess following: (i) generality relationship between absolute (AAS) temperature; (ii) what extent affects resting oxygen uptake MO2rest AAS; (iii) whether there an interaction temperature CO2. behavioural are briefly discussed. In 31 out 73 data sets (both acutely exposed acclimated), AAS increased remained above 90% maximum, whereas clear optimum was observed remaining 42 sets. Carbon dioxide caused significant rise only 18 125 sets, decrease 25, it four increase two. analysis did not reveal evidence for overall correlation with regime or duration treatment. When had effect, additive rather than interactions most common and, interestingly, they even interacted antagonistically on AAS. could complicate experimental determination respiratory performance. Overall, reveals heterogeneity responses that accordance idea single principle cannot be ignored attempts model predict impacts warming ocean acidification ectotherms.

Language: Английский

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Responses of pink salmon to CO2-induced aquatic acidification

Nature Climate Change, Journal Year: 2015, Volume and Issue: 5(10), P. 950 - 955

Published: June 26, 2015

Language: Английский

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Marine animal behaviour in a high CO2 ocean

Marine Ecology Progress Series, Journal Year: 2015, Volume and Issue: 536, P. 259 - 279

Published: July 20, 2015

MEPS Marine Ecology Progress Series Contact the journal Facebook Twitter RSS Mailing List Subscribe to our mailing list via Mailchimp HomeLatest VolumeAbout JournalEditorsTheme Sections 536:259-279 (2015) - DOI: https://doi.org/10.3354/meps11426 REVIEW animal behaviour in a high CO2 ocean Jeff C. Clements*, Heather L. Hunt Department of Biology, University New Brunswick Saint John Campus, 100 Tucker Park Road, E2L 4L5, NB, Canada *Corresponding author: [email protected] ABSTRACT: Recently, effects acidification (OA) on marine have garnered considerable attention, as they can impact biological interactions and, turn, ecosystem structure and functioning. We reviewed current published literature OA synthesize understanding how may behaviour, elucidate critical unknowns, provide suggestions for future research. Although studies focused equally vertebrates invertebrates, vertebrate primarily coral reef fishes, contrast broader diversity invertebrate taxa studied. A quantitative synthesis direction magnitude change behaviours from conditions under scenarios suggests negative impacts that vary depending species, ecosystem, behaviour. The interactive co-occurring environmental parameters with increasing elicit different those observed elevated alone. 12% incorporated multiple factors, only one study has examined carbonate system variability animal. Altered GABAA receptor functioning appears responsible many behavioural responses; however, this mechanism is unlikely be universal. recommend new focus determining context drivers variability, mechanisms governing association between acid-base regulation This knowledge could explain species-specificity responses lend unifying theory KEY WORDS: Animal · Carbon dioxide Climate ecology Ocean climate Full text pdf format PreviousCite article as: Clements JC, HL ocean. Mar Ecol Prog Ser 536:259-279. Export citation Tweet linkedIn Cited by Published Vol. 536. Online publication date: September 29, 2015 Print ISSN: 0171-8630; 1616-1599 Copyright © Inter-Research.

Language: Английский

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Living in a high CO₂ world: a global meta‐analysis shows multiple trait‐mediated fish responses to ocean acidification

Ecological Monographs, Journal Year: 2018, Volume and Issue: 88(3), P. 320 - 335

Published: Feb. 22, 2018

Abstract Understanding how marine organisms will be affected by global change is of primary importance to ensure ecosystem functioning and nature contributions people. This study meets the call for addressing life‐history traits mediate effects ocean acidification on fish. We built a database overall trait‐mediated responses teleost fish future CO 2 levels searching scientific literature. Using meta‐analytical approach, we investigated projected IPCC 2050–2070 2100 eco‐physiology behavior from 320 contrasts 42 species, stemming polar tropical regions. Moreover, since may experience mosaic carbonate chemistry in coastal environments (e.g., estuaries, upwelling zones intertidal habitats), which have higher p values than open waters, assessed additional 103 21 species using well above projections. Under mid‐century end‐of‐century emission scenarios, found multiple ‐dose‐dependent calcification, resting metabolic rate, yolk, behavioral performances, along with increased predation risk decreased foraging, particularly larvae. Importantly, many considered not confer tolerance elevated far‐reaching ecological consequences population replenishment community structure likely occur. Extreme projections showed mortality while growth, metabolism, yolk were unaffected. exposures short‐term experiments mortality, turn longer‐term exposures. Whatever considered, some key biological processes reproduction, development, habitat choice) critically understudied. Fish are an important resource livelihoods communities component stability ecosystems. Given evidenced here, stress need fill knowledge gap eco‐physiological expand number duration studies multi‐generational, stressor warming, hypoxia, fishing), interactions better elucidate complex ecosystem‐level changes these might alter provisioning services.

Language: Английский

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Persistence of Positive Carryover Effects in the Oyster, Saccostrea glomerata, following Transgenerational Exposure to Ocean Acidification

PLoS ONE, Journal Year: 2015, Volume and Issue: 10(7), P. e0132276 - e0132276

Published: July 6, 2015

Ocean acidification (OA) is predicted to have widespread implications for marine organisms, yet the capacity species acclimate or adapt over this century remains unknown. Recent transgenerational studies shown that some species, exposure of adults OA can facilitate positive carryover effects their larval and juvenile offspring help them survive in acidifying oceanic conditions. But whether these persist into adulthood next generation Here we tested found larvae oyster, Saccostrea glomerata following elevated CO2, could subsequent CO2 would similar adaptive responses juveniles. Following our previous parental first (F1) ambient (385 μatm) (856 newly settled F1 juveniles were transferred field at 14 months, until they reached reproductive maturity. At time, returned laboratory was repeated produce F2 offspring. We regulate extracellular pH improved if had a prior history CO2. In addition, led an increase resilience Offspring with lower percentage abnormality, faster development rate, shell growth increased heart rate compared no Our results suggest originating during will be important mediating impacts later life-history stages generations.

Language: Английский

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Transgenerational acclimation of fishes to climate change and ocean acidification

F1000Prime Reports, Journal Year: 2014, Volume and Issue: 6

Published: Nov. 4, 2014

There is growing concern about the impacts of climate change and ocean acidification on marine organisms ecosystems, yet potential for acclimation adaptation to these threats poorly understood. Whereas many short-term experiments report negative biological effects warming acidification, new studies show that some species have capacity acclimate warmer more acidic environments across generations. Consequently, transgenerational plasticity may be a powerful mechanism by which populations will able adjust projected change. Here, I review recent advances in understanding fishes. Research over past 2 3 years shows can partially or fully ameliorate warming, hypoxia range different species. The molecular cellular pathways underpinning are currently unknown, but modern genetic methods provide tools explore mechanisms. Despite benefits acclimation, there could limitations phenotypic traits respond transgenerationally, trade-offs between life stages, need investigated. Future should also test interactions evolution determine how two processes shape adaptive responses environmental coming decades.

Language: Английский

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Transgenerational responses of molluscs and echinoderms to changing ocean conditions

ICES Journal of Marine Science, Journal Year: 2016, Volume and Issue: 73(3), P. 537 - 549

Published: Jan. 13, 2016

Abstract We are beginning to understand how the larvae of molluscs and echinoderms with complex life cycles will be affected by climate change. Early experiments using short-term exposures suggested that in oceans predicted increase acidification temperature smaller size, take longer develop, have a greater incidence abnormal development. More realistic which factored found impacts not as severe predicted. This is because performance one history stage led significant carryover effect on subsequent stage. Carryover effects arise within generation, for example, embryonic larval stages, can influence juvenile adult success. also across known transgenerational plasticity (TGP). A response or TGP defined phenotypic change offspring environmental stress experienced parent before fertilization. In small number measured elevated CO2, has been observed offspring. If we safeguard ecological economically mollusc echinoderm species against then require more knowledge generations well an understanding underlying mechanisms responsible such adaptation.

Language: Английский

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Ocean acidification and marine aquaculture in North America: potential impacts and mitigation strategies

Reviews in Aquaculture, Journal Year: 2016, Volume and Issue: 9(4), P. 326 - 341

Published: Jan. 25, 2016

Abstract Shifting environmental conditions resulting from anthropogenic climate change have recently garnered much attention in the aquaculture industry; however, ocean acidification has received relatively little attention. Here, we provide an overview of context North American with respect to potential impacts and mitigation strategies. shellfish farms should make immediate priority, as other calcifying organisms are highest concern increasingly acidifying negative effects already been felt on Pacific coast. While implications for various finfish documented, our current understanding how will impact is limited requires more research. Although likely benefit increases seawater CO 2 , some seaweeds may also be at risk under acidic conditions, particularly species, well non‐calcifying ones residing areas where not primary driver acidification. Strategies mitigate adapt exist regional scale can aid identifying concern, detecting changes carbonate chemistry early enough avoid catastrophic outcomes, adapting long‐term shifts oceanic pH. Ultimately, imposed industry, but addressed sufficient monitoring establishment plans.

Language: Английский

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