https://ipt.gbif.fr/resource?r=perrinegauthier_poll Perrine Gauthier CEFE https://orcid.org/0000-0001-7926-4647 Théo Detambel CEFE Virginie Pons CEFE https://orcid.org/0009-0005-1437-0293 2026-02-11 eng

This dataset was produced as part of a research project investigating the influence of urbanization on the chemical diversity of Thyme populations and on the associated pollinator communities. The dataset includes only pollinator data: occurrences and abundances of flower-visiting insects recorded on 11 Thyme populations located within the municipality of Montpellier (France). Temperature measurements and analyses of Thyme chemical variability were conducted during the study, but these data are not included in the present dataset. License: CC BY 4.0 Contact: Perrine Gauthier (ORCID)

Occurrence Urban green spaces Targeted research study Pollinators Thymus vulgaris Community structure Sclerophyllous habitats Urban environments Urban biodiversity Insect communities Flower-visiting insects Floral visitors Species abundance Species occurrences Plant–pollinator interactions Pollination networks Urban ecology Urbanization gradient Plant chemical variability Functional diversity Community ecology Biodiversity conservation GBIF Dataset Type Vocabulary: http://rs.gbif.org/vocabulary/gbif/dataset_type_2015-07-10.xml Observation GBIF Dataset Subtype Vocabulary: http://rs.gbif.org/vocabulary/gbif/dataset_subtype.xml This work is licensed under a Creative Commons Attribution (CC-BY 4.0) License. Creative Commons Attribution 4.0 International https://spdx.org/licenses/CC-BY-4.0.html CC-BY-4.0 N/A 3.814187 3.883783 43.646522 43.597835 2024-04-03 2024-04-15 family Halictidae order Coleoptera family Calliphoridae family Andrenidae family Adelidae class Insecta order Diptera family Tachinidae family Bombyliidae family Syrphidae order Hymenoptera order Hemiptera family Megachilidae family Nabidae family Vespidae family Sarcophagidae family Apidae order Lepidoptera kingdom Animalia unknown Perrine Gauthier CEFE https://orcid.org/0000-0001-7926-4647 Field data were collected through direct visual surveys of insect visitors on flowering Thyme patches. Observers identified pollinators to the lowest possible taxonomic level and recorded abundance values for each taxon. Following field collection, data were digitized, standardized, and formatted for integration into biodiversity information systems. Taxonomic names were harmonized using the TAXREF reference taxonomy. Geographic coordinates and sampling dates were validated and formatted according to Darwin Core standards. Quality control procedures were applied to ensure data consistency prior to publication. The study was conducted in the municipality of Montpellier, southern France, within a Mediterranean urban landscape characterized by a mosaic of built areas, urban green spaces, and sclerophyllous habitats such as garrigue and shrublands. Sampling sites correspond to 11 populations of Thymus vulgaris distributed along an urbanization gradient, ranging from highly urbanized environments (parks, road verges, residential green areas) to more natural peri-urban habitats. This spatial design aimed to capture variability in environmental conditions and plant chemical diversity across contrasting urban contexts. Pollinator communities were surveyed through standardized visual observations conducted on flowering Thymus vulgaris populations. At each site, observers recorded all flower-visiting insects and estimated their abundance during sampling sessions. Surveys focused on key pollinator groups, including bees, hoverflies, beetles, and other floral visitors. The protocol allowed the characterization of species occurrences, relative abundances, and community composition associated with each Thyme population. Environmental and plant chemical data were collected as part of the broader research project but are not included in this published dataset. Perrine Gauthier https://orcid.org/0000-0001-7926-4647 author Virginie Pons https://orcid.org/0009-0005-1437-0293 author Théo Detambel author 2026-02-11T16:11:50.272+00:00 dataset Gauthier P, Detambel T, Pons V (2026). Effects of Urban Factors on the Chemical Variability of Thyme and the Diversity of Its Pollinators. Version 1.1. Centre d’Ecologie Fonctionnelle & Evolutive (CEFE). Occurrence dataset. https://ipt.gbif.fr/resource?r=perrinegauthier_poll&v=1.1 https://ipt.gbif.fr/resource?id=perrinegauthier_poll/v1.1.xml