3 Works

Exploitative competition for floral resources reduces sugar intake but differently impacts the foraging behaviour of two non-bee flower visitors

Emma Jeavons, Ondine Chevrie, Cécile Le Lann, David Renault, Maëva Floch, Thomas Bourgeois, Rémi Bodiguel, Thierry Fontaine-Breton & Joan Van Baaren
Identifying which behavioural strategies maximize individual fitness is a key objective in ecology. Organisms are known to adapt their foraging behaviour to their environment in response to abiotic and biotic constraints, such as the distribution of resources or the presence of competitors. For instance, bees are known to avoid recently visited flowers and thus focus their foraging on more rewarding patches. Whether other flower-visiting insects adapt their foraging behaviour in response to exploitative competition for...

Configurational crop heterogeneity increases within-field plant diversity

Audrey Alignier, Xavier Solé-Senan, Irene Robleño, Barbara Baraibar, Fahrig Lenore, David Giralt, Nicolas Gross, Jean-Louis Martin, Jordi Recasens, Clelia Sirami, Gavin Siriwardena, Aliette Bosem Baillod, Colette Bertrand, Romain Carrie, Annika Hass, Laura Henckel, Paul Miguet, Isabelle Badenhausser, Jacques Baudry, Gerard Bota, Vincent Bretagnolle, Lluis Brotons, Francoise Burel, François Calatayud, Yann Clough … & Péter Batáry
1. Increasing landscape heterogeneity by restoring semi-natural elements to reverse farmland biodiversity declines is not always economically feasible or acceptable to farmers due to competition for land. We hypothesized that increasing the heterogeneity of the crop mosaic itself, hereafter referred to as crop heterogeneity, can have beneficial effects on within-field plant diversity. 2. Using a unique multi-country dataset from a cross-continent collaborative project covering 1451 agricultural fields within 432 landscapes in Europe and Canada, we...

Habitat filtering differentially modulates phylogenetic and functional diversity relationships between predatory arthropods

Aurélien Ridel, Denis Lafage, Pierre Devogel, Thomas Lacoue-Labarthe & Julien Pétillon
Mechanisms underlying biological diversities at different scales have received significant attention over the last decades. The hypothesis whether local abiotic factors, driving functional and phylogenetic diversities, can differ among taxa of arthropods remains under-investigated. In this study, we compared correlations and drivers of functional (FD) and phylogenetic (PD) diversities between spiders and carabids, two dominant taxa of ground-dwelling arthropods in salt marshes. Both taxa exhibited high correlation between FD and PD; the correlation was even...

Registration Year

  • 2021
    1
  • 2020
    2

Resource Types

  • Dataset
    3

Affiliations

  • Ecosystèmes, Biodiversité, Evolution
    3
  • Centre d'Ecologie Fonctionnelle et Evolutive
    1
  • Agroecology
    1
  • Centre d'Etudes Biologiques de Chizé
    1
  • Lund University
    1
  • Carleton University
    1
  • Centre Tecnològic Forestal de Catalunya
    1
  • British Trust for Ornithology
    1
  • MTA Centre for Ecological Research
    1
  • University of La Rochelle
    1