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This article about International Trade in Reptiles and Amphibians on the BBC Open University's 'Life in Cold Blood' web site makes interesting reading. It's by Tim Halliday a well known amphibian biologist in the UK.
"Many people bemoan the fact that globalisation tends to homogenize human culture around the world; most of the world's cities now contain the same chains of fast-food outlets and coffee shops. There has been a dramatic fall in the number of distinct languages spoken around the world, which parallels the decline that has occurred in the diversity of plant and animal species.
In the natural world, a similar kind of homogenization is occurring as, deliberately or accidentally, humans have moved plants and animals from places where they occur naturally to places where they do not belong. European starlings and sparrows, for example, are now common throughout the world while, paradoxically, they are becoming less common in Britain. [continued at http://www.open2.net/lifeincoldblood/reptiletrade.html]
"Many people bemoan the fact that globalisation tends to homogenize human culture around the world; most of the world's cities now contain the same chains of fast-food outlets and coffee shops. There has been a dramatic fall in the number of distinct languages spoken around the world, which parallels the decline that has occurred in the diversity of plant and animal species.
In the natural world, a similar kind of homogenization is occurring as, deliberately or accidentally, humans have moved plants and animals from places where they occur naturally to places where they do not belong. European starlings and sparrows, for example, are now common throughout the world while, paradoxically, they are becoming less common in Britain. [continued at http://www.open2.net/lifeincoldblood/reptiletrade.html]