NDLI: Influence of priority effects and pond location on invaded larval amphibian communities

Content Provider	Springer Nature Link
Author	Knight, C. Michael Parris, Matthew J. Gutzke, William H. N.
Copyright Year	2008
Abstract	In Florida, the Cuban Treefrog (Osteopilus septentrionalis) is a superb colonist and appears to be a significant driver of amphibian community dynamics. Decline of native anurans has been linked to possible competition with adult O. septentrionalis but interactions during the larval stage are largely unknown. Rearing O. septentrionalis tadpoles along with two native anurans, the Squirrel Treefrog (Hyla squirella) and the Southern Toad (Bufo terrestris) in both experimental artificial ponds and laboratory aquaria, the role of competition as the mechanism driving the dynamics of invaded amphibian communities in Florida was examined. Also examined was the role of priority effects and variation between pond locations in altering interactions between O. septentrionalis and native anuran larvae. Interspecific competition was strong during the larval stage; the presence of O. septentrionalis reduced larval performance and survival of native anurans. Pond location alone had little effect on interspecific interactions, but priority effects were strong. Pond location and priority effects acted together to influence species interactions. The selective influence of different interaction modifiers acted to increase or decrease the impacts of exotic species on native taxa.
Starting Page	1033
Ending Page	1044
Page Count	12
File Format	PDF
ISSN	13873547
Journal	Biological Invasions
Volume Number	11
Issue Number	4
e-ISSN	15731464
Language	English
Publisher	Springer Netherlands
Publisher Date	2008-07-01
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Biological invasions Colonization Community structure Competition Interaction modifier Priority effects Geographic variation Amphibian larvae Osteopilus septentrionalis Hyla squirella Bufo terrestris Developmental Biology Ecology Plant Sciences Freshwater & Marine Ecology
Content Type	Text
Resource Type	Article
Subject	Ecology Ecology, Evolution, Behavior and Systematics

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