Quantifying and comparing bumblebee nest densities in gardens and countryside habitats
نویسندگان
چکیده
1 Plant & Invertebrate Ecology Department, and 2 Biomathematics & Bioinformatics Department, Rothamsted Research, Harpenden, Herts AL5 2JQ, UK; 3 School of Biological & Environmental Sciences, University of Stirling, Stirling FK9 4LA, UK; 4 School of Biological Sciences, University of Plymouth, Drake Circus, Plymouth PL4 8AA, UK; 5 Bio-protection & Ecology Division, PO Box 84, Lincoln University, Canterbury, New Zealand; 6 Institute for Research on Environment and Sustainability, Devonshire Building, University of Newcastle, Newcastle-upon-Tyne NE1 7RU, UK
منابع مشابه
Location of bumblebee nests is predicted by counts of nest-searching queens: Searching queens predict bumblebee nest locations
1. Bumblebee nests are difficult to find in sufficient numbers for well replicated studies. Counts of nest-searching queens in spring and early summer have been used as an indication of preferred nesting habitat, but this relationship has not yet been validated; high densities of nest-searching queens may indicate habitat with few nesting opportunities (meaning that queens have to spend longer ...
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0006-3207/$ see front matter 2009 Published by doi:10.1016/j.biocon.2009.03.032 * Corresponding author. Tel.: +44 1786 467831; fax E-mail addresses: [email protected] (G. Lye), k.j.par [email protected] (J. Osborne), [email protected] stir.ac.uk (D. Goulson). Bumblebees (Bombus spp.) play a key role within agricultural systems as pollinators of crops and wild flowers. However, this taxon has s...
متن کاملPreferred nesting sites of bumblebee queens (Hymenoptera: Apidae) in agroecosystems in the UK
Bumblebees (Bombus spp.) have undergone a documented Europe-wide decline in recent years, mostly attributable to destruction of forage and nest sites caused by agricultural intensification. This study was set up to quantify species-specific nest-site preferences of observed UK species for various types of field and forest boundary habitat. In total, 1287 observations were made of seven common b...
متن کاملSpatio-temporal dynamics of bumblebee nest parasites (Bombus subgenus Psythirus ssp.) and their hosts (Bombus spp.).
1. A 39-year bumblebee data base was used to study the codistribution of six cuckoo bumblebees in the subgenus Psythirus of Bombus (hereafter called Psythirus) and their free-living bumblebee hosts in the British Isles. 2. A model of nest parasitism predicted host threshold densities and stable deterministic dynamics, with fluctuations only emerging as a result of environmental or demographic s...
متن کاملTargeted agri-environment schemes significantly improve the population size of common farmland bumblebee species.
Changes in agricultural practice across Europe and North America have been associated with range contractions and local extinction of bumblebees (Bombus spp.). A number of agri-environment schemes have been implemented to halt and reverse these declines, predominantly revolving around the provision of additional forage plants. Although it has been demonstrated that these schemes can attract sub...
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تاریخ انتشار 2008