Pollinator community predicts trait-matching between oil-producing flowers and a guild of oil-collecting bees

2021 ◽  
Author(s):  
Hilke Hollens-Kuhr ◽  
Timotheüs van der Niet ◽  
Ruth Cozien ◽  
Michael Kuhlmann
Keyword(s):  
Pollinator Community

scholarly journals Landscape structure affects the sunflower visiting frequency of insect pollinators

2021 ◽  
Vol 11 (1) ◽  
Author(s):  
Károly Lajos ◽  
Ferenc Samu ◽  
Áron Domonkos Bihaly ◽  
Dávid Fülöp ◽  
Miklós Sárospataki
Keyword(s):  
Landscape Structure ◽  
Honey Bees ◽  
Agricultural Landscape ◽  
Edge Density ◽  
Wild Bees ◽  
Natural Habitats ◽  
Mass Flowering ◽  
Positive Effects ◽  
Pollinator Community ◽  
Foraging Ranges

AbstractMass-flowering crop monocultures, like sunflower, cannot harbour a permanent pollinator community. Their pollination is best secured if both managed honey bees and wild pollinators are present in the agricultural landscape. Semi-natural habitats are known to be the main foraging and nesting areas of wild pollinators, thus benefiting their populations, whereas crops flowering simultaneously may competitively dilute pollinator densities. In our study we asked how landscape structure affects major pollinator groups’ visiting frequency on 36 focal sunflower fields, hypothesising that herbaceous semi-natural (hSNH) and sunflower patches in the landscape neighbourhood will have a scale-dependent effect. We found that an increasing area and/or dispersion of hSNH areas enhanced the visitation of all pollinator groups. These positive effects were scale-dependent and corresponded well with the foraging ranges of the observed bee pollinators. In contrast, an increasing edge density of neighbouring sunflower fields resulted in considerably lower visiting frequencies of wild bees. Our results clearly indicate that the pollination of sunflower is dependent on the composition and configuration of the agricultural landscape. We conclude that an optimization of the pollination can be achieved if sufficient amount of hSNH areas with good dispersion are provided and mass flowering crops do not over-dominate the agricultural landscape.

scholarly journals Deconstructing pollinator community effectiveness

2017 ◽  
Vol 21 ◽  
pp. 98-104 ◽  
Author(s):  
Bryony K Willcox ◽  
Marcelo A Aizen ◽  
Saul A Cunningham ◽  
Margaret M Mayfield ◽  
Romina Rader
Keyword(s):  
Pollinator Community

scholarly journals Biotic and abiotic drivers of plant–pollinator community assembly across wildfire gradients

2020 ◽  
Author(s):  
Joseph A. LaManna ◽  
Laura A. Burkle ◽  
R. Travis Belote ◽  
Jonathan A. Myers
Keyword(s):  
Community Assembly ◽  
Pollinator Community ◽  
Plant Pollinator

Land-use history drives contemporary pollinator community similarity

2018 ◽  
Vol 33 (8) ◽  
pp. 1335-1351 ◽  
Author(s):  
Sarah Cusser ◽  
John L. Neff ◽  
Shalene Jha
Keyword(s):  
Land Use ◽  
Land Use History ◽  
Community Similarity ◽  
Pollinator Community

Changes in pollinator community of Scadoxus cinnabarinus (Amaryllidaceae) along its elevational range on Mount Cameroon

2020 ◽  
Vol 14 (2) ◽  
pp. 215-226 ◽  
Author(s):  
Jan E. J. Mertens ◽  
Štěpán Janeček ◽  
Fairo F. Dzekashu ◽  
Eliška Chmelová ◽  
Eric B. Fokam ◽  
...  
Keyword(s):  
Mount Cameroon ◽  
Pollinator Community ◽  
Elevational Range

scholarly journals Adding landscape genetics and individual traits to the ecosystem function paradigm reveals the importance of species functional breadth

2017 ◽  
Vol 114 (48) ◽  
pp. 12761-12766 ◽  
Author(s):  
Antonio R. Castilla ◽  
Nathaniel S. Pope ◽  
Megan O’Connell ◽  
María F. Rodriguez ◽  
Laurel Treviño ◽  
...  
Keyword(s):  
Gene Flow ◽  
Seed Production ◽  
Critical Role ◽  
Pollen Dispersal ◽  
Plant Size ◽  
Dispersal Ability ◽  
Floral Display ◽  
Long Distance ◽  
Pollinator Community ◽  
Local Plant

Animal pollination mediates both reproduction and gene flow for the majority of plant species across the globe. However, past functional studies have focused largely on seed production; although useful, this focus on seed set does not provide information regarding species-specific contributions to pollen-mediated gene flow. Here we quantify pollen dispersal for individual pollinator species across more than 690 ha of tropical forest. Specifically, we examine visitation, seed production, and pollen-dispersal ability for the entire pollinator community of a common tropical tree using a series of individual-based pollinator-exclusion experiments followed by molecular-based fractional paternity analyses. We investigate the effects of pollinator body size, plant size (as a proxy of floral display), local plant density, and local plant kinship on seed production and pollen-dispersal distance. Our results show that while large-bodied pollinators set more seeds per visit, small-bodied bees visited flowers more frequently and were responsible for more than 49% of all long-distance (beyond 1 km) pollen-dispersal events. Thus, despite their size, small-bodied bees play a critical role in facilitating long-distance pollen-mediated gene flow. We also found that both plant size and local plant kinship negatively impact pollen dispersal and seed production. By incorporating genetic and trait-based data into the quantification of pollination services, we highlight the diversity in ecological function mediated by pollinators, the influential role that plant and population attributes play in driving service provision, and the unexpected importance of small-bodied pollinators in the recruitment of plant genetic diversity.

Sign in / Sign up

Export Citation Format

Share Document