کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
6304365 1618427 2013 5 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Effects of injured conspecifics and predators on byssogenesis, attachment strength and movement in the blue mussel, Mytilus edulis
موضوعات مرتبط
علوم زیستی و بیوفناوری علوم کشاورزی و بیولوژیک علوم آبزیان
پیش نمایش صفحه اول مقاله
Effects of injured conspecifics and predators on byssogenesis, attachment strength and movement in the blue mussel, Mytilus edulis
چکیده انگلیسی
Mussels respond to threats from predators by increasing anti-predator traits, which include a suite of inducible defenses. Blue mussels (Mytilus edulis) can modify the strength, number and attachment site of byssal threads in response to water borne cues from predators and injured conspecifics. We quantified byssal thread production, attachment strength and movement in blue mussels of two size classes in response to effluent from the American lobster Homarus americanus, the rock crab Cancer irroratus, the sea star Asterias rubens, and injured conspecific mussels. In a factorial laboratory experiment, effluent from the predatory crab, C. irroratus, resulted in higher numbers of functional byssal threads compared only to exposure to injured conspecific mussels, and not to any other treatment group. Large mussels produced stronger byssal attachments than small mussels. Over 24 h, small mussels formed and released more byssus bundles than large mussels, an indication of increased movement. Small mussels started producing byssal threads sooner than large mussels. Mussels exposed to effluent from injured conspecific mussels began producing byssal threads earlier, compared to the control and not to any other treatment group. Our results show that byssogenesis was influenced by predator type and mussel size, whereas attachment strength and movement depended on mussel size. This study highlights the ability of two size classes of blue mussels to selectively alter byssal thread production and movement in the presence of injured conspecifics and potential predators.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Experimental Marine Biology and Ecology - Volume 448, October 2013, Pages 136-140
نویسندگان
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