Mate choice in a changing world

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http://hdl.handle.net/10138/308988

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Candolin , U 2019 , ' Mate choice in a changing world ' , Biological Reviews , vol. 94 , no. 4 , pp. 1246-1260 . https://doi.org/10.1111/brv.12501

Title: Mate choice in a changing world
Author: Candolin, Ulrika
Contributor: University of Helsinki, Organismal and Evolutionary Biology Research Programme
Date: 2019-08
Language: eng
Number of pages: 15
Belongs to series: Biological Reviews
ISSN: 1464-7931
URI: http://hdl.handle.net/10138/308988
Abstract: Human activities by altering environmental conditions are influencing the mate choice of animals. This is by impacts on: (i) the production and expression of traits evaluated by mate choosers; (ii) the transmission of information about potential mates to choosers; (iii) the reception and processing of the information by choosers; and (iv) the final mate choice. Here, I first discuss how these four stages of the mate-choice process can be altered by environmental change, and how these alterations, in turn, can influence individuals, populations, and communities. Much evidence exists for human-induced environmental changes influencing mate choice, but the consequences for the fitness of courters and choosers are less well known, and even less is known about the impact on population dynamics, species interactions and community composition. More evidence exists for altered mate-choice systems influencing interspecific matings and thereby community composition and biodiversity. I then consider whether plastic adjustments and evolutionary changes can rescue adaptive mate-choice systems, and reflect on the possibility of non-adaptive mate-choice systems becoming less maladaptive under environmental change. Much evidence exists for plastic adjustments of mate-choice systems, but whether these are adaptive is seldom known, as is the contribution of genetic changes. Finally, I contemplate the possibility of mate-choice systems rescuing populations from decline in changing environments. I explain how this is context dependent with both positive and negative outcomes possible. In summary, while much evidence exists for human-induced environmental changes influencing mate-choice systems, less is known about the consequences for ecological and evolutionary processes. Considering the importance that mate choice plays in determining individual fitness and population viability, the effects of environmental change on mate-choice systems should be considered in studies on the ecological and evolutionary consequences of human disturbances to habitats.
Subject: ACOUSTIC NICHE
ADAPTIVE PLASTICITY
BEHAVIORAL-RESPONSES
CLIMATE-CHANGE
EVOLUTIONARY CONSEQUENCES
MATING PREFERENCES
PHENOTYPIC PLASTICITY
REPRODUCTIVE INTERFERENCE
SEXUALLY SELECTED TRAITS
TRAFFIC NOISE
communication
courtship
environmental change
female choice
male-male competition
multimodal
multiple cues
ornamentation
sexual selection
signal interactions
1181 Ecology, evolutionary biology
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