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142 results for “pollinator community”
Pollinator community and generalisation of pollinator spectra changes with plant niche width and local dominance
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Data from: Influence of plant-pollinator interactions on the assembly of plant and hummingbird communities
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Data and code from: Evaluating eDNA metabarcoding techniques for pollinator community assessment in a field and controlled experiment
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Data from: Low functional diversity promotes niche changes in natural island pollinator communities
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Are native and non-native pollinator friendly plants equally valuable for native wild bee communities?
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Data from: Trait patterns across space and time suggest an interplay of facilitation and competition acting on Neotropical hummingbird-pollinated plant communities
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Data from: Floral community predicts pollinators' color preference: implications for Batesian floral mimicry
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Flowering plant communities mediate the effects of habitat composition and configuration on wild pollinator communities
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Flower traits, habitat and phylogeny as predictors of pollinator service: a plant community perspective
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Biotic and abiotic drivers of plant-pollinator community assembly across wildfire gradients
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Data from: Dominant bee species and floral abundance drive parasite temporal dynamics in plant-pollinator communities
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Survey of the insect pollinator community at 15 sites in the French Broad River watershed, collected in 2011
We asked how pollinator abundance and community composition varied with distance from logging roads and elevation in old (logged > 90 years ago) and young (logged 20-40 years ago) southern Appalachian forests (USA). At 15 previously logged sites along an elevation gradient, insect pollinators were sampled at 5 distances from logging roads during summer 2010 and spring 2011 using pan traps.
Fig. 4 in Community Structure and Undescribed Species Diversity in Non-Pollinating Fig Wasps Associated with the Strangler Fig Ficus petiolaris
Fig. 4. Maximum-clade credibility tree representing the complete Idarnes data set.Tips of the tree are labeled with the host fig taxon name.The four Idarnes species associated with Ficus petiolaris do not form a monophyletic group, suggesting a history of host switching for the Idarnes species associated with F. petiolaris. Additionally, LO2 is not monophyletic but forms two distinct clades, with Idarnes sampled from other host fig trees interspersed between them.The two Idarnes samples collected from Ficus pertusa in sympatry with F. petiolaris cluster with one of the LO2 clades (denoted by a circle). Black squares represent posterior probabilities ≥0.95; gray squares represent posterior probabilities <0.95 and ≥0.5. All other nodes had support values below 0.5. Wasps that formed monophyletic groups and were associated with the same host fig species were collapsed for visual purposes.
Fig. 1. Sampling sites for Idarnes wasps associated with Ficus petiolaris. Idarnes wasps were collected from host F in Community Structure and Undescribed Species Diversity in Non-Pollinating Fig Wasps Associated with the Strangler Fig Ficus petiolaris
Fig. 1. Sampling sites for Idarnes wasps associated with Ficus petiolaris. Idarnes wasps were collected from host F. petiolaris localities distributed across Sonoran Desert habitats in Baja California (1–11) and Sonora (12–16), Mexico. Locales 1–13 are from F. petiolaris subspecies palmeri and locales 14–16 are from F. petiolaris subspecies petiolaris. See Table 1 for additional details.
Fig. 7 in Community Structure and Undescribed Species Diversity in Non-Pollinating Fig Wasps Associated with the Strangler Fig Ficus petiolaris
Fig. 7. Idarnes behavioral assays. (A) The proportion of the total number of Idarnes individuals of each species (N at top) observed ovipositing into syconia of each of four developmental stages, from early female phase to interphase (labeled on right). (B) The proportion of I. flavicollis (LO1) and I. carme (SO1+SO2) wasps developing in inner, middle, and outer ranks of ovules within syconia.
Crop diversity benefits carabid and pollinator communities in landscapes with semi-natural habitats
<p class="LO-Normal">1. In agricultural landscapes, arthropods provide essential ecosystem services such as biological pest control and pollination. Intensified crop management practices and homogenization of landscapes have led to declines among such organisms. Semi-natural habitats, associated with high numbers of these organisms, are increasingly lost from agricultural landscapes but diversification by increasing crop diversity has been proposed as a way to reverse observed arthropod declines and thus restore ecosystem services. However, whether or not an increase in the diversity of crop types within a landscape promotes diversity and abundances of pollinating and predaceous arthropods, and how semi-natural habitats might modify this relationship, is not well understood.</p> <p class="LO-Normal">2. To test how crop diversity and the proportion of semi-natural habitats within a landscape are related to the diversity and abundance of beneficial arthropod communities, we collected primary data from seven studies focusing on natural enemies (carabids and spiders) and pollinators (bees and hoverflies) from 154 crop fields in Southern Sweden between 2007 and 2017.</p> <p class="LO-Normal">3. Crop diversity within a 1-km radius around each field was positively related to the Shannon diversity index of carabid and pollinator communities in landscapes rich in semi-natural habitats. Abundances were mainly affected by the proportion of semi-natural habitats in the landscape, with decreasing carabid and increasing pollinator numbers as the proportion of this habitat type increased. Spiders showed no response to either crop diversity or the proportion of semi-natural habitats.</p> <p class="LO-Normal">4. <i>Synthesis and applications</i>. We show that the joint effort of preserving semi-natural habitats and promoting crop diversity in agricultural landscapes is necessary to enhance communities of natural enemies and pollinators. Our results suggest that increasing the diversity of crop types can contribute to the conservation of service-providing arthropod communities, particularly if the diversification of crops targets complex landscapes with a high proportion of semi-natural habitats.</p> <div> <div> <div class="msocomtxt"> </div> </div> </div> <p> </p>
Data from: Nested species interactions promote feasibility over stability during the assembly of a pollinator community
The foundational concepts behind the persistence of ecological communities have been based on two ecological properties: dynamical stability and feasibility. The former is typically regarded as the capacity of a community to return to an original equilibrium state after a perturbation in species abundances and is usually linked to the strength of interspecific interactions. The latter is the capacity to sustain positive abundances on all its constituent species and is linked to both interspecific interactions and species demographic characteristics. Over the last 40 years, theoretical research in ecology has emphasized the search for conditions leading to the dynamical stability of ecological communities, while the conditions leading to feasibility have been overlooked. However, thus far, we have no evidence of whether species interactions are more conditioned by the community's need to be stable or feasible. Here, we introduce novel quantitative methods and use empirical data to investigate the consequences of species interactions on the dynamical stability and feasibility of mutualistic communities. First, we demonstrate that the more nested the species interactions in a community are, the lower the mutualistic strength that the community can tolerate without losing dynamical stability. Second, we show that high feasibility in a community can be reached either with high mutualistic strength or with highly nested species interactions. Third, we find that during the assembly process of a seasonal pollinator community located at The Zackenberg Research Station (northeastern Greenland), a high feasibility is reached through the nested species interactions established between newcomer and resident species. Our findings imply that nested mutualistic communities promote feasibility over stability, which may suggest that the former can be key for community persistence.
Data from: Effects of plant and pollinator traits on the maintenance of a food deceptive species within a plant community
Model-mimic plant systems are well known. However, the conditions promoting the existence of such systems are still an enigma. We suggest that by focusing on floral similarity between model and mimic, reward levels offered by models, and pollinators' ability to adjust foraging accordingly, the conditions can be better understood. Using spatially-explicit modelling, we examined trait combinations that lead to the survival of deceptive species under a large range of mimic strategies, from Batesian mimicry to general food deception. Unlike previous models studying such systems, we examined model-mimic interactions in the presence of a third, dissimilar species, thus generating a more realistic scenario where pollinators may avoid the model-mimic system altogether. Results showed that overall survival and abundance of species in food deceptive systems depend on the relative reward provided by the participating species and the potential alternatives available. Specifically, the success of a mimic in a Batesian mimicry system depends on high levels of reward provided by its model species relative to potential alternatives in the flower community. On the other hand, the success of a mimic in a general food deception system was higher when the reward offered was lower. Our study suggests that the ability of pollinators to utilize their experience as part of decision-making is highly relevant in promoting mimic survival, thus shedding light on the conditions under which food deception is expected.
When cheating turns into a stabilizing mechanism of plant-pollinator communities
<p>This repository is a complete update to the one linked to our preprint (https://zenodo.org/records/8272889). It includes:</p><ul><li>R codes to reproduce simulations, empirical analyses and figures</li><li>results of theoretical simulations (data_for_analyses.txt in simulations_results)</li><li>empirical data to reproduce analyses (traits_data.csv<i> & </i>empirical_data.csv in empirical<i>_</i>data folder)</li><li>results of simulations calibrated by empirical networks (equilibriums_analyse_empir.txt in simulations_results)</li><li>results of simulations for randomized empirical cheating patterns (equilibriums_analyse_empir_null.txt in simulations_results)</li></ul><p>R (v. 4.3.0) codes are also available here: <a href="https://github.com/f-duchenne/Cheating_in_mutualistic_networks">https://github.com/f-duchenne/Cheating_in_mutualistic_networks</a></p>
Data from: Spatial variation in bidirectional pollinator-mediated interactions between two co-flowering species in serpentine plant communities
<p>Pollinator-mediated competition and facilitation are two important mechanisms mediating co-flowering community assembly. Experimental studies, however, have mostly focused on evaluating outcomes for a single interacting partner at a single location. Studies that evaluate spatial variation in the bidirectional effects between co-flowering species are necessary if we aim to advance our understanding of the processes that mediate species coexistence in diverse co-flowering communities. Here, we examine geographic variation (i.e., at landscape level) in bidirectional pollinator-mediated effects between co-flowering <em>Mimulus guttatus</em> and <em>Delphinium uliginosum</em>. We evaluated effects on pollen transfer dynamics (conspecific and heterospecific pollen deposition) and plant reproductive success. We found evidence of asymmetrical effects (one species is disrupted and the other one is facilitated) but the effects were highly dependent on geographical location. Furthermore, effects on pollen transfer dynamics did not always translate to effects on overall plant reproductive success (i.e., pollen tube growth) highlighting the importance of evaluating effects at multiple stages of the pollination process. Overall, our results provide evidence of a spatial mosaic of pollinator-mediated interactions between co-flowering species and suggest that community assembly processes could result from competition and facilitation acting simultaneously. Our study highlights the importance of experimental studies that evaluate the prevalence of competitive and facilitative interactions in the field, and that expand across a wide geographical context, in order to more fully understand the mechanisms that shape plant communities in nature.</p>
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Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
ABODe is a University of Edinburgh DataShare dataset for behavior classification in group-housed mice using home-cage video, identities, bounding boxes, ground-plate positions, and annotator labels.
DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.