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首页> 美国卫生研究院文献>Philosophical Transactions of the Royal Society B: Biological Sciences >Invertebrate responses to the management of genetically modified herbicide-tolerant and conventional spring crops. II. Within-field epigeal and aerial arthropods.
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Invertebrate responses to the management of genetically modified herbicide-tolerant and conventional spring crops. II. Within-field epigeal and aerial arthropods.

机译：无脊椎动物对转基因耐除草剂和常规春季作物管理的反应。二。场内epi生和空中节肢动物。

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The effects of the management of genetically modified herbicide-tolerant (GMHT) crops on the abundances of aerial and epigeal arthropods were assessed in 66 beet, 68 maize and 67 spring oilseed rape sites as part of the Farm Scale Evaluations of GMHT crops. Most higher taxa were insensitive to differences between GMHT and conventional weed management, but significant effects were found on the abundance of at least one group within each taxon studied. Numbers of butterflies in beet and spring oilseed rape and of Heteroptera and bees in beet were smaller under the relevant GMHT crop management, whereas the abundance of Collembola was consistently greater in all GMHT crops. Generally, these effects were specific to each crop type, reflected the phenology and ecology of the arthropod taxa, were indirect and related to herbicide management. These results apply generally to agriculture across Britain, and could be used in mathematical models to predict the possible long-term effects of the widespread adoption of GMHT technology. The results for bees and butterflies relate to foraging preferences and might or might not translate into effects on population densities, depending on whether adoption leads to forage reductions over large areas. These species, and the detritivore Collembola, may be useful indicator species for future studies of GMHT management.
机译：在GMHT作物农场规模评估中，在66个甜菜，68个玉米和67个春季油菜田中，评估了转基因耐除草剂（GMHT）作物的管理对空中和ge节肢节肢动物数量的影响。大多数较高的分类单元对GMHT和常规杂草处理之间的差异不敏感，但是在每个研究的分类单元中，至少一组对丰度有显着影响。在相关的GMHT作物管理下，甜菜和春季油菜油菜中的蝴蝶数量和甜菜中的蝶翅类和蜜蜂数量均较小，而在所有GMHT作物中，Collembola的丰度始终较高。通常，这些影响是特定于每种作物类型的，反映了节肢动物类群的物候学和生态学，是间接的并且与除草剂管理有关。这些结果通常适用于整个英国的农业，并且可以用于数学模型中，以预测广泛采用GMHT技术可能产生的长期影响。蜜蜂和蝴蝶的结果与觅食的喜好有关，并且可能会或不会转变为对人口密度的影响，具体取决于收养是否会导致大面积地区减少牧草。这些物种以及破坏性的Collembola，可能是未来GMHT管理研究的有用指示物种。

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