Hansen, D. M. and Müller, C.B. (in press) Invasive ants disrupt gecko pollination and seed dispersal of the endangered plant Roussea simplex in Mauritius. Biotropica
Hansen, D. M. and Müller, C.B. (in press) The critically endangered enigmatic Mauritian endemic plant Roussea simplex (Rousseaceae): geckos as pollinators and seed dispersers. International Journal of Plant Sciences
Linnebjerg, J., Hansen, D. M. & Olesen, J. M. (in press) Gut-passage effect of the introduced Red-whiskered Bulbul (Pycnonotus jocosus) on germination of invasive plant species in Mauritius. Austral Ecology
Hansen, D. M., Kaiser, C. N. & Müller, C. B. (2008) Endangered endemic plants on oceanic islands: seed dispersal, seedling establishment, and the use of ecological analogues. PLoS ONE 3(5): e2111. doi:10.1371/journal.pone.0002111
Kaiser C. N., Hansen D. M. & Müller, C. B. (2008) Habitat structure affects reproductive success of the rare endemic tree Syzygium mamillatum (Myrtaceae) in restored and unrestored sites in Mauritius. Biotropica 40: 86-94
Kaiser, C.N., Hansen, D.M. & Müller, C.B. (2008) Exotic pest insects: another perspective on coffee and conservation. Oryx 42: 143-146
Olesen, J.M., Dupont, Y.L., Ehlers, B.K. & Hansen, D.M. (2007) The openness of a flower and its number of flower-visitor species. Taxon 56: 729-736
Hansen, D.M., Kiesbüy, H.C., Jones, C.G. & Müller, C.B. (2007) Positive indirect interactions between neighboring plant species via a lizard pollinator. American Naturalist 169: 534-54
Hansen, D. M., Olesen, J. M., Mione, T., Johnson, S. D. & Müller, C. B. (2007) Coloured nectar: distribution, ecology, and evolution of an enigmatic floral trait. Biological Reviews 82: 83-111
Hansen, D. M., Beer, K. & Müller, C. B. (2006) Mauritian coloured nectar no longer a mystery: a visual signal for lizard pollinators. Biology Letters 2: 165-168
Olesen, J. M., Dupont, Y. L., Ehlers, B. K., Valido, A. & Hansen, D. M. (2005). Heterostyly in the Canarian endemic Jasminum odoratissimum (Oleaceae). Nordic Journal of Botany 23: 537-539
Hansen, D. M. (2005). Phelsuma ornata (Ornate Day-gecko) Tail loss. Herpetological review 36: 453
Hansen, D.M. (2005). The enigmatic Mauritian endemic Roussea simplex (Rousseaceae): Bird or gecko pollination? Ecotropica 11: 69-72
Dupont Y.L., Hansen D.M., Rasmussen J.T. & Olesen J.M. (2004) Evolutionary changes in nectar sugar composition associated with switches between bird and insect pollination: the Canarian bird-flower element revisited. Functional Ecology 18: 670-676
Dupont Y.L., Hansen D.M., Valido A. & Olesen J.M. (2004) Impact of introduced honey bees on native pollination interactions of the endemic Echium wildpretii (Boraginaceae) on Tenerife, Canary Islands. Biological Conservation 118: 301-311
Dupont Y.L., Hansen D.M. & Olesen J.M. (2003) Structure of a plant flower-visitor network in the high-altitude sub-alpine desert of Tenerife, Canary Islands. Ecography 26: 301-310
Hansen, D. M., J. M. Olesen & C. G. Jones (2002) Trees, birds, and bees in Mauritius: exploitative competition between introduced honey bees and endemic nectarivorous birds? Journal of Biogeography 29: 721-734
Valido A., Dupont Y.L. & Hansen D.M. (2002) Native birds and insects, and introduced honey bees visiting Echium wildpretii (Boraginaceae) in the Canary Islands. Acta Oecologica 23: 413-419
