Alien species and evolution by George W. Cox

By George W. Cox

In Alien Species and Evolution, biologist George W. Cox reports and synthesizes rising details at the evolutionary alterations that ensue in vegetation, animals, and microbial organisms after they colonize new geographical parts, and at the evolutionary responses of the local species with which alien species interact.
The booklet is extensive in scope, exploring details throughout a large choice of taxonomic teams, trophic degrees, and geographic parts. It examines theoretical themes regarding fast evolutionary swap and helps the rising idea that species brought to new actual and biotic environments are rather vulnerable to fast evolution. the writer attracts on examples from all elements of the realm and all significant surroundings kinds, and the diversity of examples used supplies significant perception into the styles of evolution which are prone to end result from the big creation of species to new geographic areas that's at present happening round the globe.
Alien Species and Evolution is the one cutting-edge assessment and synthesis on hand of this severely very important subject, and is a necessary paintings for someone fascinated about the recent technology of invasion biology or the threats posed by way of invasive species.

Show description

Read or Download Alien species and evolution PDF

Similar evolution books

The Earth's Biosphere: Evolution, Dynamics, and Change

In his newest e-book, Vaclav Smil tells the tale of the Earth? s biosphere from its origins to its close to- and long term destiny. He explains the workings of its elements and what's recognized approximately their interactions. With essay-like aptitude, he examines the biosphere? s physics, chemistry, biology, geology, oceanography, power, climatology, and ecology, in addition to the alterations because of human job. He offers either the fundamentals of the tale and brilliant asides illustrating serious yet frequently missed facets of biospheric complexity. Smil starts with a heritage of the trendy notion of the biosphere, concentrating on the improvement of the idea that via Russian scientist Vladimir Vernadsky. He explores the chance of lifestyles in different places within the universe, lifestyles? s evolution and metabolism, and the biosphere? s quantity, mass, productiveness, and grand-scale association. Smil deals clean methods to such recognized phenomena as sunlight radiation and plate tectonics and introduces lesser-known themes resembling the quarter-power scaling of animal and plant metabolism throughout physique sizes and metabolic pathways. He additionally examines units of basic relationships that experience profoundly encouraged the evolution of lifestyles and the patience of the biosphere: symbiosis and the position of existence? s complexity as a determinant of biomass productiveness and resilience. And he voices drawback concerning the destiny process human-caused worldwide environmental swap, which can compromise the biosphere? s integrity and threaten the survival of contemporary civilization.

Animal Signals (Ecology and Evolution)

Why are animal indications trustworthy? this can be the primary challenge for evolutionary biologists attracted to signs. after all, now not all signs are trustworthy; yet so much are, in a different way receivers of indications may forget about them. a few theoretical solutions were proposed and empirical reports made, yet there nonetheless is still a large amount of confusion.

The Scars of Evolution: What our bodies tell us about human origins

During this energetic and arguable e-book Elaine Morgan provides a not easy interpretation to the query of human evolution. With superb common sense she argues that our hominid ancestors started to evolve according to an aquatic surroundings. thousands of years in the past whatever occurred that brought on our ancestors to stroll on legs, to lose their fur, to advance greater brains and find out how to converse.

Adaptation and Evolution in Marine Environments, Volume 1: The Impacts of Global Change on Biodiversity

The poles suffer weather adjustments exceeding these within the remainder of the area by way of their velocity and quantity, and feature a key position in modulating the weather of the Earth. Ecosystems tailored to polar environments tend to develop into prone to weather alterations. Their responses let us examine and foresee the influence of alterations at reduce latitudes.

Additional info for Alien species and evolution

Sample text

For organisms dispersed over long distances by vehicles of transport and commerce, strong selection exists for tolerance of the special conditions of these agents. For example, broad salinity tolerance should favor the survival of aquatic organisms during transoceanic voyages, during which ballast water exchanges may occur (Ricciardi and Rasmussen 1998). Broad salinity tolerance should also favor establishment in areas into which ballast water is ultimately discharged. Whether or not rapid evolutionary responses have occurred as a consequence of such selection is not yet known.

In North America, bulbous bluegrass (Poa bulbosa) presents an interesting example of high variability in spite of the fact that it reproduces almost entirely by the asexual production of bulblets (Novak and Welfley 1997). S. states. One would expect this reproductive strategy to be associated with low genetic diversity, especially if a genetic bottleneck occurred at the time of introduction. Allozyme analysis showed that bulbous bluegrass has an unexpectedly high level of variability, with about 47% of loci being polymorphic.

Allozyme analysis showed that bulbous bluegrass has an unexpectedly high level of variability, with about 47% of loci being polymorphic. Heterozygosity was also high, and many individuals showed three alleles at each locus, a consequence of the North American populations apparently being autopolyploids. Multiple introductions have probably contributed to the high genetic variation. Genetic Variability Among Alien Animals Analyses of the genetic variability of alien animals also reveal very diverse patterns.

Download PDF sample

Rated 4.53 of 5 – based on 13 votes