کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
4387305 | 1304598 | 2007 | 6 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Indirect effects of grassland extensification schemes on pollinators in two contrasting European countries
دانلود مقاله + سفارش ترجمه
دانلود مقاله ISI انگلیسی
رایگان برای ایرانیان
کلمات کلیدی
موضوعات مرتبط
علوم زیستی و بیوفناوری
علوم کشاورزی و بیولوژیک
بوم شناسی، تکامل، رفتار و سامانه شناسی
پیش نمایش صفحه اول مقاله
![عکس صفحه اول مقاله: Indirect effects of grassland extensification schemes on pollinators in two contrasting European countries Indirect effects of grassland extensification schemes on pollinators in two contrasting European countries](/preview/png/4387305.png)
چکیده انگلیسی
Flower-visiting insects play a crucial role in ecosystem processes by providing essential services such as pollination. During the last decades, agricultural intensification has caused a widespread decline of insect diversity. Agri-environment schemes (AES) have been implemented in many European countries to counteract the loss of biodiversity. Here, we present results of a study evaluating effects of AES on pollinators and the insect-pollinated plants in grasslands of two contrasting European countries: Switzerland and The Netherlands. We compare species composition and abundance of bees and insect-pollinated plants in 37 field pairs, one with an AES, the other conventionally managed. AES significantly affected species-richness and abundance of non-Apis bees in Switzerland. Schemes did not have an effect in The Netherlands where bee species number and abundance was much lower than in Switzerland. The different effectiveness between countries can be explained by different contextual conditions and different effects of AES management prescriptions on the food resource of wild bees. We conclude that in order to stop the overall loss of agro-biodiversity, it can be recommended to include additional measures which focus specifically on the enhancement of bees or other arthropods.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Biological Conservation - Volume 135, Issue 2, March 2007, Pages 302-307
Journal: Biological Conservation - Volume 135, Issue 2, March 2007, Pages 302-307
نویسندگان
Florian Kohler, Jort Verhulst, Eva Knop, Felix Herzog, David Kleijn,