Habitat-dependency of transect walk and pan trap methods for bee sampling in farmlands

dc.contributor.authorTempl, Barbara
dc.contributor.authorMozes, Edina
dc.contributor.authorTempl, Matthias
dc.contributor.authorFöldesi, Rita
dc.contributor.authorSzirák, Ádám
dc.contributor.authorBáldi, András
dc.contributor.authorKovács-Hostyánszki, Anikó
dc.date.accessioned2025-01-15T12:18:12Z
dc.date.issued2019
dc.description.abstractBees are the most important group of flower visitors providing an essential ecosystem service, namely pollination. Due to the worldwide decline of bees, there should be standardized sampling methods in place to ensure consistent and comparable results between studies. We compared the two commonly used sampling methods of yellow pan traps and transect walk to determine (i) which habitat variables affect the species composition, abundance and species richness of sampled bee communities, (ii) which method potentially contains sampling bias towards some individuals or groups of bees and (iii) the efficiency of sampling in various habitats. We conducted fieldwork in different agricultural habitats distributed along landscape heterogeneity and topography gradients. Our results showed that the height of vegetation, the average number of flowers and the amount of woody vegetation had the greatest influence on the sampling efficiency. Our survey also demonstrated that sampling by transect walk captured less bees in general, especially in stubble, maize, and cereal fields. We found that Apis mellifera and Bombus spp. were well represented in samples collected by the transect walk method, while the abundance of other genera, especially Dasypoda, Hylaeus and Panurgus was higher in pan traps. Based on the results, we suggest (i) the transect walk method to compare samples of flower-visiting wild bee communities from various habitats of different vegetation and flower characteristics, (ii) application of the transect walk or pan traps to compare similar habitats and (iii) adoption of a comprehensive method which would incorporate both sampling techniques to gain a more complex insight into wild bee species composition.
dc.identifier.doi10.2478/jas-2019-0014
dc.identifier.issn2299-4831
dc.identifier.urihttps://irf.fhnw.ch/handle/11654/48341
dc.identifier.urihttps://doi.org/10.26041/fhnw-11056
dc.issue1
dc.language.isoen
dc.publisherApicultural Research Association
dc.relation.ispartofJournal of Apicultural Science
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/
dc.subject.ddc330 - Wirtschaft
dc.subject.ddc590 - Tiere (Zoologie)
dc.titleHabitat-dependency of transect walk and pan trap methods for bee sampling in farmlands
dc.type01A - Beitrag in wissenschaftlicher Zeitschrift
dc.volume63
dspace.entity.typePublication
fhnw.InventedHereNo
fhnw.ReviewTypeAnonymous ex ante peer review of a complete publication
fhnw.affiliation.hochschuleHochschule für Wirtschaft FHNWde_CH
fhnw.affiliation.institutInstitut für Unternehmensführungde_CH
fhnw.openAccessCategoryGold
fhnw.pagination93-115
fhnw.publicationStatePublished
relation.isAuthorOfPublication8b0a85e1-60d7-48f9-8551-419197a127e7
relation.isAuthorOfPublication.latestForDiscovery8b0a85e1-60d7-48f9-8551-419197a127e7
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