期刊
MARINE POLLUTION BULLETIN
卷 145, 期 -, 页码 118-125出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.marpolbul.2019.05.040
关键词
pH; Temperature; Anti-predation behaviour; Cluster; Mussel; Species-specific effect
资金
- Natural Science Foundation of China [31872587]
- Shanghai Pujiang Talent Program [18PJ1404000]
- Shanghai Municipal Natural Science Foundation [17ZR1412900]
- State Key Laboratory of Satellite Ocean Environment Dynamics [SOEDZZ1902]
- China-APEC Cooperation Fund [2029901]
- China-ASEAN Maritime Cooperation Fund project Monitoring and conservation of the coastal ecosystem in the South China Sea
- open fund of State Key Laboratory of Satellite Ocean Environment Dynamics, Second Institute of Oceanography, MNR of the Second Institute of Oceanography [QNHX1908]
The effects of short-term (7 days) experimental ocean acidification (-0.4 pH units) and warming (+ 5 degrees 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.
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