Thoughts of a Travelling Ecologist,4The tale of the aphid predators:why can we expect transgenic crops to cause environmental effects?

摘要

First,let me state the obvious: ecologists have been too polite to tolerate intrusion by colleagues from other fields ( mostly from molecular biology ) who felt it necessary to pontificate about the ecological impacts of transgenic crops. Such pieces usually present,often in forceful language,the author' s belief that transgenic technology is beneficial,without negative effects,