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Chemical Ecology in Aquatic Systems$
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Christer Brönmark and Lars-Anders Hansson

Print publication date: 2012

Print ISBN-13: 9780199583096

Published to Oxford Scholarship Online: May 2015

DOI: 10.1093/acprof:osobl/9780199583096.001.0001

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The use of chemical cues in habitat recognition and settlement

The use of chemical cues in habitat recognition and settlement

(p.72) Chapter 5 The use of chemical cues in habitat recognition and settlement
Chemical Ecology in Aquatic Systems

Gabriele Gerlach

Jelle Atema

Oxford University Press

This chapter assesses how dispersed marine larvae search for their settlement habitat. It focuses on the active sensory and specifically the olfactory processes involved in larval recruitment in coral reef fishes and marine invertebrates generated by the current discovery of a non-random distribution of animals leading to population structure in situations where genetic mixing was expected. It shows evidence of the importance of chemical information in the settlement processes employed by pelagic larvae. It says that chemical signals are produced by nearly everything and every organism. It also states that unlimited amounts of different mixtures are generated constantly, providing an enormous variety of cues that organisms can use to identify important sources.

Keywords:   marine larvae, habitat, olfactory processes, coral reef fishes, marine invertebrates, pelagic larvae, chemical signals

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