Evolution

Read e-book online Behavioural Responses to a Changing World: Mechanisms and PDF

By Ulrika Candolin, Bob B.M. Wong

ISBN-10: 0199602565

ISBN-13: 9780199602568

Human-induced environmental switch presently represents the only maximum probability to worldwide biodiversity. Species are usually tailored to the neighborhood environmental stipulations during which they've got developed. alterations in environmental stipulations before everything impact behaviour, which in flip impacts species interactions, inhabitants dynamics, evolutionary procedures and, finally, biodiversity. How animals reply to replaced stipulations, and the way this impacts inhabitants viability, is a space of growing to be study curiosity. but, regardless of the very important hyperlinks among environmental switch, behaviour, and inhabitants dynamics, strangely little has been performed to bridge those parts of analysis.

Behavioural Responses to a altering global is the 1st e-book of its variety dedicated to figuring out behavioural responses to environmental switch. the quantity is finished in scope, discussing affects on either the mechanisms underlying behavioural approaches, in addition to the longer-term ecological and evolutionary outcomes. Drawing on foreign specialists from around the globe, the publication covers issues as various as endocrine disruption, studying, copy, migration, species interactions, and evolutionary rescue.

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Extra info for Behavioural Responses to a Changing World: Mechanisms and Consequences

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But if for any stochastic reason (say, a harsh winter) the population falls to low levels, then most survivors can follow their maladaptive preference for A and the entire population may become a sink—followed by extinction via an Allee effect (Kokko and Sutherland 2001). In this setting, there is clear scope for evolutionary rescue. Kokko and UN D E R STAN DI N G B E H AV I OU RA L RE S P ON S E S A N D T H E I R CON S E QU E N CE S Sutherland (2001) showed that either genetic adaptation or learning can rescue populations, but a very simple rule of phenotypic plasticity works much better than all alternatives.

They show what Gomulkiewicz and Holt (1995) in their Discussion already suspected: the density-independent scenario investigated by Gomulkiewicz and Holt (1995) is a best-case scenario, because density dependence tends to depress population growth. Chevin and Lande (2010) however also pointed out that if we include phenotypic plasticity, it keeps populations afloat much better than mere genetic evolution is able to. This can be exemplified with a specific scenario. In the context of habitat choice, it has long been known that environmental change can produce ‘ecological traps’ (Schlaepfer et al.

Kokko, H. J. (2001). Ecological traps in changing environments: ecological and evolutionary consequences of a behaviourally mediated Allee effect. Evolutionary Ecology Research, 3, 537–51. , and Foster, K. (2008). Cultural transmission can inhibit the evolution of altruistic helping. American Naturalist 172, 12–24. , and Kokko, H. (2009). Reproductive conflict delays the recovery of an endangered social species. Journal of Animal Ecology, 78, 219–25. , and Rossi, J. (2002). Condition-dependent dispersal and ontogeny of the dispersal behaviour: an experimental approach.

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Behavioural Responses to a Changing World: Mechanisms and Consequences by Ulrika Candolin, Bob B.M. Wong


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