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24, chemin de Borde Rouge –Auzeville – CS52627
31326 Castanet Tolosan CEDEX - France

Dernière mise à jour : Mai 2018

Menu Logo Principal Logo Biogeco Logo Université de Bordeaux

Home page

van Halder Inge

Ingénieur d'études

Equipe Biodiv



UMR Biodiversité Gènes et Ecosystèmes
69 route d'Arcachon
33612 CESTAS Cedex – France

Tel : 05 57 12 27 41
Fax : 05 57 12 28 81

Courriel :

My research activities focus on biodiversity conservation and the functioning of forest ecosystems.

Conservation of biodiversity at the plot and landscape scale, using butterflies as a model in the Landes de Gascogne forest

Studies carried out in the Landes de Gascogne forest have shown that semi-natural habitats such as firebreaks and isolated broadleaf woodlands situated in a matrix of pine plantations constitute butterfly-rich habitats compared to pine stands. The composition of these butterfly communities is not only influenced by the composition and size of the habitat patches but also by the composition and structure of the landscape. Surveys both at the edge and inside pine stands showed that butterflies are more numerous at the edge than inside, but that the pine plots are not "empty". It seems likely that there is frequent exchange between edge and interior and that landscape heterogeneity is a key factor for the conservation of this group.

My more recent studies on biodiversity focus on the effect of connectivity and landscape mosaic on the functional composition of butterflies (LEVANA project) and multi-taxonomic biodiversity in Bordeaux Métropole (Biodiver'Cité project).


Functional role of tree diversity on the functioning of the forest ecosystem

Study on the presence of mistletoe on Scots pine in pure and mixed stands with maritime pine.

I participated in various projects to evaluate the effect of forest species mixing on pest distribution patterns and natural enemies.


Nunes P., Branco M., van Halder I., Jactel H., 2021. Modelling Monochamus galloprovincialis dispersal trajectories across a heterogeneous landscape to optimize monitoring by trapping networks. Landscape Ecology.

Sahraouia Y., De Godoy Leski C., Benot M.L., Revers F., Salles D., van Halder I., Barneix M., Carassou L., 2021. Integrating ecological networks modelling in a participatory approach for assessing impacts of planning scenarios on landscape connectivity. Landscape and Urban Planning (in press).

Castagneyrol B., van Halder I., Kadiri Y., Schillé L., Jactel H. 2020. Host-mediated, cross-generational intraspecific competition in a herbivore species. BioRXiv.

Corcket E., Alard D., van Halder I., Jactel H., Garrido Diaz B., Reuzeau E., Castagneyrol B., 2020. Canopy composition and drought shape understorey plant assemblages in a young tree diversity experiment. Journal of Vegetation Science. Doi:10.1111/jvs.1290.

Jactel H., Poeydebat C., van Halder I., Castagneyrol B., 2019. Interactive Effects of Tree Mixing and Drought on a Primary Forest Pest. Front. For. Glob. Change. doi: 10.3389/ffgc.2019.00077.

Van Halder, I., Castagneyrol, B., Ordóñez, C., Bravo, del Río, M., Perrot, L., Jactel, H., 2019. Tree diversity reduces pine infestation by mistletoe. Forest Ecology and Management, 449: 1-8.

Valdés Correcher, E., Van Halder, I., Barbaro, L., Castagneyrol, B., Hampe, A., 2019. Insect herbivory and avian insectivory in novel native oak forests: Divergent effects of stand size and connectivity. Forest Ecology and Management, 445: 146-153.

Jactel, H., Bonifacio, L., Van Halder, I., Vetillard, F., Robinet, C., David, G., 2019. A novel, easy method for estimating pheromone trap attraction range: application to the pine sawyer beetle Monochamus galloprovincialis. Agricultural and Forest Entomology, 21 (1): 8-14.

Jouveau, S., Toïgo, M., Giffard, B., Castagneyrol, B., Van Halder, I., Vetillard, F., Jactel, H., 2019. Carabid activity‐density increases with forest vegetation diversity at different spatial scales, Insect Conservation and Diversity.

Djukic I. et al. 2018. Early stage litter decomposition across biomes. Science of the Total Environment, 628-629, 1369-1394.

Andrieu E., Cabanettes A., Alignier A., van Halder I., Alard D., Archaux F., Barbaro L., Bouget C., Bailey S., Corcket E., Deconchat M., Vigan M., Villemey A., Ouin A., 2018. Edge contrast does not modulate edge effect on plants and pollinators. Basic and Applied Ecology, 27: 83-95.

van Halder, I., Thierry, M., Villemey, A., Ouin, A., Archaux, F., Barbaro, L., Balent, G., Benot, M.-L., 2017. Trait-driven responses of grassland butterflies to habitat quality and matrix composition in mosaic agricultural landscapes. Insect Conserv. Divers. 10, 64–77.

Terraube J, Archaux F, Deconchat M, van Halder I, Jactel H, Barbaro L, 2016. Forest edges have high conservation value for bird communities in mosaic landscapes. Ecol Evol 6, 5178–5189.

Villemey, A., Peterman, W.E., Richard, M., Ouin, A., Halder, I. van, Stevens, V.M., Baguette, M., Roche, P., Archaux, F., 2016. Butterfly dispersal in farmland: a replicated landscape genetics study on the meadow brown butterfly (Maniola jurtina). Landsc. Ecol. 1–13. doi:10.1007/s10980-016-0348-z

Charbonnier, Y., Gaüzère, P., van Halder, I., Nezan, J., Barnagaud, J.-Y., Jactel, H., Barbaro, L., 2016. Deciduous trees increase bat diversity at stand and landscape scales in mosaic pine plantations. Landsc. Ecol. 31, 291–300. doi: 10.1007/s10980-015-0242-0

Villemey, A., van Halder, I., Ouin, A., Barbaro, L., Chenot, J., Tessier, P., Calatayud, F., Martin, H., Roche, P., Archaux, F., 2015. Mosaic of grasslands and woodlands is more effective than habitat connectivity to conserve butterflies in French farmland. Biol. Conserv. 191, 206–215. doi:10.1016/j.biocon.2015.06.030

van Halder, I., Barnagaud, J.-Y., Jactel, H., Barbaro, L., 2015. Woodland habitat quality prevails over fragmentation for shaping butterfly diversity in deciduous forest remnants. For. Ecol. Manag. 357, 171–180. doi:10.1016/j.foreco.2015.08.025.

David, G., Giffard, B., van Halder, I., Piou, D., Jactel, H., 2015. Energy allocation during the maturation of adults in a long-lived insect: implications for dispersal and reproduction. Bull. Entomol. Res. 105, 629–636. doi:10.1017/S0007485315000553

Tavares, C., Jactel H., van Halder I., & M. Branco, 2015. Reproductive requirements and life cycle of Iberorhyzobius rondensis (Coleoptera: Coccinellidae), potential biological control agent of Matsucoccus feytaudi (Hemiptera:Matsucoccidae). Environmental Entomology, April, 1-9. 2015; doi: 10.1093/ee/nvv042

Tavares, C., Jactel H.,van Halder I.,Mendel Z. & M. Branco, 2014.A case of ecological specialization in ladybirds:Iberorhyzobius rondensis(Coleoptera: Coccinellidae), potential biocontrol agent of Matsucoccus feytaudi(Hemiptera: Matsucoccidae), Bulletin of Entomological Research,

Rigot T.,van Halder, I. & Jactel, H.,2014.Landscape diversity slows the spread of an invasive forest pest species. Echography, 37.

Barbaro L., Giffard B., Charbonnier Y.,van Halder I., Jactel H.2014. Bird functional diversity enhances insectivory at forest edges: a transcontinental experiment.Diversity and Distributions, 20: 149-159. 

Barbaro, L., Brockerhoff E.G., Giffard, B. & van Halder, I., 2012. Edge and area effects on avian assemblages and insectivory in fragmented forests. Landscape Ecol 27, 1451-1463.

van Halder I., Barbaro, L. & Jactel, H., 2011. Conserving butterflies in fragmented plantation forests: are edge and interior habitats equally important? Journal of Insect Conservation 15, 591-601.

van Halder, I. & Jourdain, B., 2010. Les plantes-hôtes du Damier de la succise (Euphydryas aurinia) dans le Sud-Ouest de la France (Lepidoptera, Nymphalidae). Bull. Soc. Linn. Bordeaux, Tome 145 (N.S.) 38 (1) : 23-30.

Rossi, J.P. & van Halder, I., 2010. Towards indicators of butterfly biodiversity based on a multiscale landscape description. Ecological Indicators, 10 (2) : 452-458 (pdf)

Barbaro, L. & van Halder, I., 2009. Linking bird, carabid beetle and butterfly life-history traits to habitat fragmentation in mosaic landscapes. Ecography, 32:321-333.

Rossi, J.P., Samalens, J.C., Guyon, D., van Halder, I., Jactel, H., Menassieu, P., Piou, D., 2009. Multiscale spatial variation of the bark beetle Ips sexdentatus damage in a pine plantation forest (Landes de Gascogne, Southwestern France) Forest Ecology and Management, 257 (7) : 1551-1557.

van Halder, I., Barbaro, L., Corcket, E., Jactel, H., 2008. Importance of semi-natural habitats for the conservation of butterfly communities in landscapes dominated Biodiversity and Conservation. 2008, 17 (5) : 1149-1169 (pdf)

Settele J., Kudrna O., Harpke A., Kühn I., van Swaay C., Verovnik R., Warren M., Wiemers M., Hanspach, J., Hickler T., Kühn E., van Halder I., Veling K., Vliegenthart A., Wynhoff I., Schweiger O. 2008. Climatic risk atlas of European butterflies. Biorisk 1 (Special issue): 1-710.

Samalens, J.C., Rossi, J.P. ; Guyon, D., van Halder, I., Menassieu, P., Piou, D., Jactel, H. , 2007. Adaptive roadside sampling for bark beetle damage assessment. Forest Ecology and Management, 253 (1-3) : 177-187 (pdf)