Quantifying and comparing bumblebee nest densities in gardens and countryside habitats

Quantifying and comparing bumblebee nest densities in gardens and countryside habitats
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量化和比较花园和乡村栖息地的大黄蜂巢密度

DOI:
10.1111/j.1365-2664.2007.01359.x
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发表时间:
2007
影响因子:
5.7
通讯作者:
Osborne J
Osborne J
中科院分区:
环境科学与生态学1区
文献类型:
--
作者:
Osborne J

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熊蜂为农作物和野生植物提供重要的授粉服务。在英国,许多物种已经减少,特别是在可耕地地区。虽然大黄蜂的饲料需求已被广泛研究,但很少考虑筑巢地点的可用性是否有限。重要的是要知道哪些生境包含最大的熊蜂巢每单位面积,以指导养护和管理的选择,特别是鉴于目前的重点是环境管理计划的农场景观。然而,这是非常困难的地图分布的大黄蜂巢。2我们描述的调查结果,国家大黄蜂巢调查,结构化的调查进行了719名志愿者在英国初夏2004年。调查员使用一个定义的协议来记录在花园、短草地、长草地和林地以及沿着林地边缘、树篱和围栏线的规定区域内有无大黄蜂巢穴。这些记录使我们能够第一次估计这些栖息地中每一个大黄蜂巢穴的密度。3花园中的巢穴密度很高(36个巢公顷-1),和线性农村栖息地(栅栏线,灌木树篱,林地边缘:20-37巢公顷-1),在非线性的农村栖息地较低(林地和草地:11-15个巢公顷-1)。4关于巢的位置特征的发现证实了早期在英国进行的调查(Fussell & Corbet 1992)。5综合和应用。在英国,花园为大黄蜂提供了重要的筑巢栖息地。在郊区,线性特征所占的面积与非线性特征相比较小。然而,由于线性特征包含高密度的巢,影响这些功能的管理选项可能会对大黄蜂筑巢机会产生不成比例的巨大影响。因此,目前在英国的农场管理计划可能会促进大黄蜂筑巢,因为他们提供了明确的指导和支持“同情”绿篱和外地利润管理。
1Bumblebees provide an important pollination service to both crops and wild plants. Many species have declined in the UK, particularly in arable regions. While bumblebee forage requirements have been widely studied, there has been less consideration of whether availability of nesting sites is limiting. It is important to know which habitats contain the most bumblebee nests per unit area in order to guide conservation and management options; particularly in the light of current emphasis on environmental stewardship schemes for farmed landscapes. However, it is extremely difficult to map the distribution of bumblebee nests.2We describe the findings of the National Bumblebee Nest Survey, a structured survey carried out by 719 volunteers in the UK during early summer 2004. The surveyors used a defined protocol to record the presence or absence of bumblebee nests in prescribed areas of gardens, short grassland, long grassland and woodland, and along woodland edge, hedgerows and fence lines. The records allowed us to estimate the density of bumblebee nests in each of these habitats for the first time.3Nest densities were high in gardens (36 nests ha−1), and linear countryside habitats (fence lines, hedgerows, woodland edge: 20–37 nests ha−1), and lower in non‐linear countryside habitats (woodland and grassland: 11–15 nests ha−1).4Findings on nest location characteristics corroborate those of an earlier survey carried out in the UK (Fussell & Corbet 1992).5Synthesis and applications. Gardens provide an important nesting habitat for bumblebees in the UK. In the countryside, the area occupied by linear features is small compared with that of non‐linear features. However, as linear features contain high densities of nests, management options affecting such features may have a disproportionately large effect on bumblebee nesting opportunities. Current farm stewardship schemes in the UK are therefore likely to facilitate bumblebee nesting, because they provide clear guidance and support for ‘sympathetic’ hedgerow and field margin management.
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发表时间: 2002
影响因子: 5.7
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影响因子: 5.9
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DOI: 10.5962/bhl.title.10354
发表时间: 2004
期刊: Apidologie
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