Competition between managed honeybees and wild bumblebees depends on landscape context

Forskningsoutput: TidskriftsbidragArtikel i vetenskaplig tidskrift

Abstract

Honeybees might outcompete wild bees by depleting common resources, possibly more so in simplified landscapes where flower-rich habitats have been lost. We tested this by experimentally adding honeybee hives to nine sites while ensuring that ten additional sites were free from hives. The landscape surrounding each geographically separated site either held low (homogeneous landscape) or high (heterogeneous landscape) proportions of semi-natural grassland. Adding honeybees suppressed bumblebee densities in field borders and road verges in homogeneous landscapes whereas no such effect was detected in heterogeneous landscapes. The proportional abundance of bumblebee species with small foraging ranges was lower at honeybee sites than at control sites in heterogeneous landscapes, whereas bumblebee communities in homogeneous landscapes were dominated by a single species with long foraging range irrespective of if honeybees were added or not. We conclude that honeybees can impact bumblebee densities, but that landscape heterogeneity modified this effect.

Detaljer

Författare
Enheter & grupper
Externa organisationer
  • Swedish University of Agricultural Sciences
  • Swedish Rural Economy and Agricultural Society
Forskningsområden

Ämnesklassifikation (UKÄ) – OBLIGATORISK

  • Ekologi
  • Miljö- och naturvårdsvetenskap

Nyckelord

Originalspråkengelska
Sidor (från-till)609-616
Antal sidor8
TidskriftBasic and Applied Ecology
Volym17
Utgivningsnummer7
StatusPublished - 2016 nov 1
PublikationskategoriForskning
Peer review utfördJa

Relaterad forskningsoutput

Lina Herbertsson, 2017 okt, Lund: Lund University, Faculty of Science, Centre for Environmental and Climate Research. 158 s.

Forskningsoutput: AvhandlingDoktorsavhandling (sammanläggning)

Visa alla (1)