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Seawater acidification and temperature modulate anti-predator defenses in two co-existing Mytilus species

Artikel i vetenskaplig tidskrift
Författare H. Kong
J. C. Clements
S. Dupont
T. Wang
X. Huang
Y. Shang
W. Huang
J. Chen
M. Hu
Youji Wang
Publicerad i Marine Pollution Bulletin
Volym 145
Nummer/häfte August
Sidor 118-125
ISSN 0025-326X
Publiceringsår 2019
Publicerad vid Sven Lovén centrum för marina vetenskaper
Institutionen för biologi och miljövetenskap
Sidor 118-125
Språk en
Länkar dx.doi.org/10.1016/j.marpolbul.2019...
Ämnesord Anti-predation behaviour, Cluster, Mussel, pH, Species-specific effect, Temperature, Ecology, Molluscs, pH effects, Ecological functioning, Ocean acidifications, Predator-prey interaction, Seawater acidifications, Species specifics, Acidification, dissolved oxygen, sea water, sodium chloride, antipredator defense, mollusc, ocean acidification, sea surface temperature, seawater, warming, Article, China, controlled study, defensive behavior, environmental temperature, Mytilus, Mytilus coruscus, Mytilus edulis, nonhuman, predation, predator prey interaction, salinity, sea, species difference, sympatry, water temperature
Ämneskategorier Annan geovetenskap och miljövetenskap, Oceanografi, hydrologi, vattenresurser

Sammanfattning

The effects of short-term (7 days) experimental ocean acidification (−0.4 pH units) and warming (+5 °C) on anti-predator defenses of two sympatric Mytilus species from China, M. coruscus and M. edulis, in the presence and absence of predator cues were investigated. Results suggested species-specific independent negative effects of acidification and warming on the number and weight of byssal threads, the force of thread attachment, and total thread plaque area. Similar negative effects were observed for clustering behaviour, with acidification and warming independently increasing the number of solitary individuals and decreasing the percentage of mussels in clusters. Acidification effects on byssus were strongly exacerbated when predators were present. Ultimately, this study suggests that short-term exposure to experimental warming and acidification can negatively impact anti-predator defense strategies in mussels with potential ramifications for predator-prey interactions and ecological functioning in systems where mussel beds play a key ecological role. © 2019

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