By George W. Cox
In Alien Species and Evolution, biologist George W. Cox reports and synthesizes rising info at the evolutionary adjustments that take place in crops, animals, and microbial organisms once they colonize new geographical parts, and at the evolutionary responses of the local species with which alien species interact.The ebook is huge in scope, exploring info throughout a large choice of taxonomic teams, trophic degrees, and geographic parts. It examines theoretical themes on the topic of fast evolutionary switch and helps the rising idea that species brought to new actual and biotic environments are relatively susceptible to speedy evolution. the writer attracts on examples from all elements of the realm and all significant environment forms, and the diversity of examples used offers huge perception into the styles of evolution which are prone to outcome from the large advent of species to new geographic areas that's presently happening round the globe.Alien Species and Evolution is the single cutting-edge evaluation and synthesis on hand of this seriously vital subject, and is a necessary paintings for someone curious about the hot technological know-how of invasion biology or the threats posed via invasive species.
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Extra info for Alien Species and Evolution: The Evolutionary Ecology of Exotic Plants, Animals, Microbes, and Interacting Native Species
The second species, Roesel’s bush cricket (Metrioptera roeselii), also has two forms, a flightless short-winged form and a long-winged form capable of flight. The long-winged form shows higher frequencies in more recently colonized localities. Similar observations exist for ground beetles expanding their ranges northward in southern Canada (Niemalä and Spence 1991). In these cases, it appears likely that under climatic conditions favoring range expansion, the more dispersive forms of these insects are favored.
For aquatic organisms, McMahon (2002) found that Eurasian zebra mussels (Dreissena polymorpha) and Asian clams (Corbicula fluminea) contrast sharply with native North American clams in having extremely high fecundity, rapid growth, early maturity, and short life span. Nonnative ants, particularly those with worker castes that fight in competition with other ants, tend to be smaller-bodied than congeneric native species (McGlynn 1999), although the benefit of small size is not certain. For introduced land bird species, Cassey (2002) found that habitat generalism tended to favor establishment success, together with nonmigratory behavior and lack of sexual dimorphism in plumage.
Nonnative ants, particularly those with worker castes that fight in competition with other ants, tend to be smaller-bodied than congeneric native species (McGlynn 1999), although the benefit of small size is not certain. For introduced land bird species, Cassey (2002) found that habitat generalism tended to favor establishment success, together with nonmigratory behavior and lack of sexual dimorphism in plumage. Dietary and nest site flexibility have also been related to establishment success of birds introduced to islands (McLain et al.