Avian Invasions: The Ecology and Evolution of Exotic Birds by Tim M. Blackburn

By Tim M. Blackburn

Organic invaders characterize one of many basic threats to the upkeep of worldwide biodiversity, human future health, and the good fortune of human monetary organizations. the ongoing globalization of our society guarantees that the necessity to comprehend the method of organic invasion will simply raise sooner or later. there's additionally a starting to be reputation that the examine of organic invaders presents a different perception into easy questions in ecology and evolution.

The examine of unique birds has had a very lengthy historical past and has come to symbolize a desirable intersection among the research of organic invasions, avian conservation biology, and easy ideas of ecology and evolution. Avian Invasions summarizes and synthesizes this targeted historic list and unravels the insights that the learn of unique birds brings to all 3 of those learn strands. It comprises chapters at the famous contributions of unique fowl examine to ecological technology, and at the post-establishment evolution of brought chicken populations. the result's the main accomplished photograph but of the invasion process.

Avian Invasions is aimed toward specialist avian biologists and ornithologists in addition to graduate scholars of avian ecology, evolution and conservation. It additionally appeals to a extra common viewers of invasion ecologists.

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Additional info for Avian Invasions: The Ecology and Evolution of Exotic Birds (Oxford Avian Biology)

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In Chapter 4 we consider the role of species-level traits. Previous treatments of such traits have failed to find consistent associations between species traits and establishment success. However, we find that framing the issue in terms of the small population problem again provides useful insights into the role of specieslevel traits, and allows some general conclusions to be drawn about the roles of population growth rates, the predisposition to Allee effects, and the ability to cope with novelty, in aiding establishment.

6g (Cassey 2001a). Similar findings were reported by Jeschke and Strayer (2006) for introductions between Europe and North America, and by Blackburn and Cassey (2007) for bird introductions to Florida. The latter study also showed that selectivity by character is not only a consequence of the previously demonstrated selectivity by family, as exotic species tend to be large-bodied even accounting for the family membership of exotic species. In a related vein, wildfowl that have been introduced somewhere in the world have larger body masses than those that have never been introduced (Blackburn and Duncan 2001b).

4), which varies from 1885 for Galliformes to 1940 for Psittaciformes, with Passeriformes and Anseriformes between these extremes. f. 001). The temporal variation in the taxonomic composition of bird introductions between 1800 and 1950 seems likely to reflect changes in the reasons for the introductions. Introductions early in this period would have consisted more of attempts by acclimatization societies to naturalize species considered beneficial to the colonists in their new environment. The early predominance of galliform introductions probably reflects this predilection.

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