Many reports have showed that the transgenic plants have some disadvantages and potential influences on the non-target species, even the higher trophic level organisms, e. g. predators and parasites.

现有一些资料表明：转基因植物对有益生物如天敌尤其是寄生性天敌将产生一些潜在的不利影响。

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The rat-removal operation would occur over the winter, from October to March, using 'bait stations' to prevent poisoning of non-target species.

BBC: Isles of Scilly in rat removal project