Succession of bee communities on fallows

By I. Steffan‐Dewenter, T. Tscharntke. 2001

202 citations recorded by the source corpus.

Wild bee communities were studied on one- to five-year-old set-aside fields with naturally developed vegetation (n = 20), and old orchard meadows (n = 4) to analyse effects of secondary succession on species diversity, resource use and associated life history traits, General theory predicts a steady increase of species richness with age of succession. In contrast, we found a first maximum in species richness of bees on two-year-old set-aside fields and a second on old meadows. Successional changes of bee communities were related to changes of vegetation. The transition from pioneer successional stages, dominated by annuals, to early successional stages, dominated by perennials, resulted in the highest species richness of flowering plants in the second year within the first five years of succession. Species richness of flowering plants was the best predictor variable for species richness of bees, whereas the cover of flowering plants correlated with the abundance of bees. Annual plants were visited more often and perennials less often than expected from their flower cover, Halictidae tended to prefer flowers of annuals, whereas Megachilidae, Apidae and Anthophoridae significantly preferred perennials. In departure from successional theory, body size, proportion of specialised bees and proportion of parasitic bees did not significantly increase with successional age, but number of generations and the proportion of soil-nesting bees decreased with successional age. Comparison of different management types showed that set-aside fields with naturally developed vegetation supported much more specialised and endangered bee species than set-aside fields sown with Phacelia tanacetifolia.

Subfields: Ecology, Evolution, Behavior and Systematics, Nature and Landscape Conservation, Plant Science

View Paper: https://www.semanticscholar.org/paper/8f9531d8d7ada15fdf295225fc824acc338a6832

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Citations in the corpus

Diversity of flower-visiting bees in cereal fields: effects of farming system, landscape composition and regional context (2006, background): “Bee diversity often benefits from a high diversity of flowering plants, whereas abundance is correlated with flower cover (Steffan-Dewenter & Tscharntke 2001).”
Set-aside management: How do succession, sowing patterns and landscape context affect biodiversity? (2011, background): “…scales integrating local and landscape scale management: (1) From early to late succession, biodiversity displays a humpshaped pattern from early stages dominated by annual vegetation to perennial stages (e.g., Steffan-Dewenter and Tscharntke, 1997, 2001; Kovács et al., submitted for publication).”
Insect pollinated plants benefit from organic farming (2007, background): “Along the field edges, pollinators are more frequent, since field margins and other semi-natural habitats are important habitats for pollinators in agricultural landscapes (Lagerlöf et al., 1992; Steffan-Dewenter and Tscharntke, 2001; Bäckman and Tiainen, 2002).”
Differences of floral resource use between honey bees and wild bees in an intensive farming system (2013, background): “…in semiatural habitats because those habitats harbour more diversified ood resources combined with more nesting opportunities (Potts t al., 2003; Steffan-Dewenter and Tscharntke, 2001). able 2 actors associated with the occurrence frequency and abundance of bee groups, based on Model…”
Massively Introduced Managed Species and Their Consequences for Plant–Pollinator Interactions (2017, background): “…resources for pollinators are mainly provided by wild flowering plants in seminatural remnants (e.g. grasslands, field margins, hedgerows; Ricketts et al., 2008; Rollin et al., 2013; Steffan-Dewenter and Tscharntke, 2001) and MFC for a short duration (Herrmann et al., 2007; Westphal et al., 2009).”
Weeds for bees? A review (2015, background): “Honeybees mainly visit on oilseed crops, whereas most wild bees forage mainly on semi-natural features (Potts et al. 2003; Steffan-Dewenter and Tscharntke 2001; Rollin 2013).”
Solidago canadensis impacts on native plant and pollinator communities in different-aged old fields (2015, background): “Therefore, the bimodal species richness distribution of pollinators along secondary succession presented by Steffan-Dewenter and Tscharntke (2001) could not be replicated for bees or for hoverflies in our study.”
Weed-insect pollinator networks as bio-indicators of ecological sustainability in agriculture. A review (2016, background): “Yet, these areas are essential habitats for insect pollinators providing both appropriate foraging and nesting resources (Steffan-Dewenter and Tscharntke 2001; Potts et al. 2003; Vulliamy et al. 2006; Öckinger and Smith 2007; Goulson 2010; Rollin et al. 2013; Requier et al. 2014).”
Pollination and other ecosystem services produced by mobile organisms: a conceptual framework for the effects of land-use change. (2007, unknown): “The response of bee individuals, populations and communities to land-use change is largely driven by the spatial and temporal distribution of ﬂoral, nesting and over-wintering”