NDLI: Effects of conspecifics on settling juveniles of the invasive golden mussel, Limnoperna fortunei

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Effects of conspecifics on settling juveniles of the invasive golden mussel, Limnoperna fortunei

Content Provider	Springer Nature Link
Author	Sardiña, Paula Cataldo, Daniel H. Boltovskoy, Demetrio
Copyright Year	2009
Abstract	We conducted a field experiment to assess the influence of conspecific adults on recruitment success of the golden mussel Limnoperna fortunei. Tiles, 225 cm2 surface area, were used as artificial substrates in four treatments: control (blank tiles), low (800 mussels m−2), medium (4,000 mussels m−2) and high (12,000 mussels m−2) density treatments. Results indicated that recruitment was strongly affected by the presence and density of conspecifics. After one and 3 months of exposure, numbers of recruits were significantly higher on tiles with conspecific adults than on blank tiles, and there was a positive and significant relationship between the number of recruits and the number of adults in the three treatments assayed. Also, after 3 months of exposure, recruits in all treatments with adults present were larger than recruits in the control treatment. Our results suggest that conspecific adults have a positive effect on recruitment success and growth of newly settled juveniles through factors that enhance larval settling or that contribute to the survival of settlers in areas colonized by adult conspecifics.
Starting Page	479
Ending Page	486
Page Count	8
File Format	PDF
ISSN	10151621
Journal	Aquatic Sciences
Volume Number	71
Issue Number	4
e-ISSN	14209055
Language	English
Publisher	SP Birkhäuser Verlag Basel
Publisher Date	2009-07-14
Publisher Place	Basel
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Limnoperna fortunei Golden mussel Settling Conspecifics Adults Juveniles Life Sciences Ecology Oceanography Marine & Freshwater Sciences Freshwater & Marine Ecology
Content Type	Text
Resource Type	Article
Subject	Ecology Aquatic Science Water Science and Technology Ecology, Evolution, Behavior and Systematics

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