Anti-predatory responses of the thick shell mussel Mytilus coruscus exposed to seawater acidification and hypoxia

Sui, Yanming; Hu, Menghong; Huang, Xizhi; Wang, Youji; Lu, Wei

doi:10.1016/j.marenvres.2015.07.008

Cited by 48 publications

(18 citation statements)

References 66 publications

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“…However, lack of a framework for identifying the underlying mechanisms makes it difficult to establish the generality of effects or their magnitude. Using a behavioral endpoint to examine stressor effects on predation (e.g., Li et al, 2015;Sui et al, 2015) often fails to identify whether effects stem from cue production, transmission, or reception (Figure 1) unless the study is properly constructed. Studies should examine stressor effects on predator and prey separately as well as together, as well as isolating the effect of differential transmission from changes to sender and receiver properties.…”

Section: Conclusion and Prospectusmentioning

confidence: 99%

Impacts of Global Warming and Elevated CO2 on Sensory Behavior in Predator-Prey Interactions: A Review and Synthesis

Draper

Weissburg

2019

Front. Ecol. Evol.

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Ecosystems are shaped by complex interactions between species and their environment. However, humans are rapidly changing the environment through increased carbon dioxide (CO 2) emissions, creating global warming and elevated CO 2 levels that affect ecological communities through multiple processes. Understanding community responses to climate change requires examining the consequences of changing behavioral interactions between species, such as those affecting predator and prey. Understanding the underlying sensory process that govern these interactions and how they may be affected by climate change provides a predictive framework, but many studies examine behavioral outcomes only. This review summarizes the current knowledge of global warming and elevated CO 2 impacts on predator-prey interactions with respect to the relevant aspects of sensory ecology, and we discuss the potential consequences of these effects. Our specific questions concern how climate change affects the ability of predators and prey to collect information and how this affects predator-prey interactions. We develop a framework for understanding how warming and elevated CO 2 can alter behavioral interactions by examining how the processes (steps) of sensory cue (or signal) production, transmission and reception may change. This includes both direct effects on cue production and reception resulting from changes in organismal physiology, but also effects on cue transmission resulting from modulation of the physical environment via physical and biotic changes. We suggest that some modalities may be particularly prone to disruption, and that aquatic environments may suffer more serious disruptions as a result of elevated CO 2 and warming that collectively affect all steps of the signaling process. Temperature by itself may primarily operate on aspects of cue generation and transmission, implying that sensory-mediated disruptions in terrestrial environments may be less severe. However, significant biases in the literature in terms of modalities (chemosensation), taxa (fish), and stressors (elevated CO 2) examined currently prevents accurate generalizations. Significant issues such as multimodal compensation and altered transmission or other environmental effects remain largely unaddressed. Future studies should strive to fill these knowledge gaps in order to better understand and predict shifts in predator-prey interactions in a changing climate.

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Section: Conclusion and Prospectusmentioning

confidence: 99%

Impacts of Global Warming and Elevated CO2 on Sensory Behavior in Predator-Prey Interactions: A Review and Synthesis

Draper

Weissburg

2019

Front. Ecol. Evol.

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“…7.3) negatively affected the number of byssal threads secreted, while the impact of more usual pH (i.e. 7.7) depended on O 2 concentration (Sui et al, 2015). Secretion of byssal threads by the internal secretory gland is also pH-dependent for a number of chemical functions involving histidine-metal crosslinks, which together with the high concentration of the modified amino acid 3,4-dihydroxyphenylalanine (Dopa) play an important role in adhesion to surfaces and self-healing after deformation (Harrington & Waite, 2007).…”

Section: Introductionmentioning

confidence: 95%

“…the byssal filaments that ensure a gregarious and sessile mode of life by enabling these organisms to attach to almost any surface (Waite, 2002). Recent studies of mytilids have revealed that this non-calcifying material may also be negatively affected by acidification (O'Donnell et al, 2013;Sui et al, 2015;Zhao et al, 2017). For example, the byssal threads of Mytilus trossulus exposed to high levels of CO 2 were weaker and less extensible than those of mussels exposed to control conditions (O'Donnell et al, 2013).…”

Section: Introductionmentioning

confidence: 99%

Susceptibility of two co-existing mytilid species to simulated predation under projected climate change conditions

Babarro

Abad

Gestoso³

et al. 2017

Hydrobiologia

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The properties of the shells and byssus filaments secreted by marine mussels are affected by environmental and biotic factors. In this study, we investigated the effects of pH and temperature on shell and byssus in artificially created monospecific and mixed aggregations of the indigenous mussel Mytilus galloprovincialis and the invasive mussel Xenostrobus securis. The variability in the response of the mussels was mainly explained by species-specific interactions derived from the type of aggregation. In the mixed groups, acidic conditions caused a decrease in byssus strength in M. galloprovincialis, but an increase in byssus strength in X. securis. Increased temperature positively affected shell strength in X. securis, but only in mixed aggregations. Interactive effects of acidification and warming were only detected in the organic matter of shells, the strength of which decreased in M. galloprovincialis in mixed aggregations. Although the invasive mussel may be able to take advantage of changed conditions by enhancing byssal attachment, the effects that acidification has on the shell may make this species more vulnerable to some predators. The study findings provide some insight into the responses of protective and attachment structures of mussels to biotic and abiotic stressors, highlighting how species-interactions may cause imbalances in future populations.

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“…Low pH treatment was achieved by aerating CO 2 into the seawater by this pCO 2 / pH system. Either N 2 or air was passed through the O 2 regulator (Loligo Systems Inc., Denmark) into the seawater to achieve the hypoxic conditions [41].…”

Section: Experimental Animalsmentioning

confidence: 99%

Combined effects of ocean acidification and hypoxia on the early development of the thick shell mussel Mytilus coruscus

et al. 2020

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Ocean acidification has become serious, and seawater hypoxia has become evident in acidified waters. The combination of such stressors may have interactive effects on the fitness of marine organisms. In order to investigate the interactive effects of seawater acidification and hypoxia on the early development of marine bivalves, the eggs and sperm of the thick shell mussel Mytilus coruscus were exposed to combined treatments of pH (8.1, 7.7, 7.3) and dissolved oxygen (2, 6 mg/L) for 96 h culture observation to investigate the interactive effects of seawater acidification and hypoxia on the early development of marine bivalves. Results showed that acidification and hypoxia had significant negative effects on various parameters of the early development of the thick shell mussel. However, hypoxia had no effect on fertilization rate. Significant interactions between acidification and hypoxia were observed during the experiment. Short-term exposure negatively influenced the early development of the thick shell mussel but did not affect its survival. The effects of long-term exposure to these two environmental stresses need further study.

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Anti-predatory responses of the thick shell mussel Mytilus coruscus exposed to seawater acidification and hypoxia

Cited by 48 publications

References 66 publications

Impacts of Global Warming and Elevated CO2 on Sensory Behavior in Predator-Prey Interactions: A Review and Synthesis

Impacts of Global Warming and Elevated CO2 on Sensory Behavior in Predator-Prey Interactions: A Review and Synthesis

Susceptibility of two co-existing mytilid species to simulated predation under projected climate change conditions

Combined effects of ocean acidification and hypoxia on the early development of the thick shell mussel Mytilus coruscus

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