2018

First prize: Francesco Petruzellis (Italy): Make it simpler: alien species decrease functional diversity of coastal plant communities (Co-authors: Enrico Tordoni, Andrea Nardini, Tadeja Savi, Giovanni Bacaro)

Honorable Mentions (in alphabetical order, not by score):

Anina Coetzee (South Africa): Evolution of flower colour polymorphisms in sunbird-pollinated Erica (Ericaceae) (Co-authors: Colleen Seymour, Claire Spottiswoode)

Julian Schrader (Germany): Species area requirements shape species pool and richness on small islands (Co-authors: Christian König, Soetjipto Moeljono, Meelis Pärtel, Holger Kreft)

Sonya Geange (Australia): Phenotypic plasticity and plant water use in a changing climate: a multi-species, multi-site investigation (Co-authors: Fernando Valladares, Mark van Kleunen, Christina Richards, Silvia Matesanz, Nicola Aitken, Meisha-Marika Holloway-Phillips, Adrienne Nicotra)

2016

Joint First Prize: Anina Coetzee (South Africa). The importance of Proteaceae species richness in providing nectar resources. (Co-authors: Phoebe Barnard, Anthony G. Rebelo & Anton Pauw)

Joint First Prize: Michele Dechoum (Brazil). Factors controlling grassland occupancy by shrubs in montane systems in Southern Brazil (Co-authors: Pedro Cavalin, Nivaldo Peroni & Francisco I. Pugnaire)

Honorable Mention: Elizabeth Gorgone Barbosa (Brazil). Can fi re be used as a management tool to control invasive grasses in Cerrado. (Co-authors: Vânia Pivello, Lara Souza & Alessandra Fidelis)

2014

First prize: Angela Pannek. Comparing resource-based and co-occurrence based methods for estimating species niche breadth (Co-authors: Michael Manthey and Martin R. Diekmann)

Honorable mention: Christina Birnbaum. Do soil microbes drive Acacia species invasion in non-native ranges in Australia? (Co-authors: Michelle R. Leishman)

Honorable mention: Jessica Parker. Exploring the spatial and temporal dynamics of the relationship between precipitation and aboveground vegetation biomass (Co-authors: Charles G. Curtin and Craig F. Conley)

Honorable mention: Daniel Montesinos. The puna vegetation of Moquegua, South Peru: Chasmophytic communities and grasslands (Co-authors: Antoine M. Cleef and Karlè V. Sýkora)

2012

First prize: Ching-Feng Li. The pattern of neutral- and niche-based processes along the temperature gradient in Taiwan. (Co-authors: D. Zeleny, Tze-Ying Cheng, Chang-Fu Hsieh)

Honorable mention: Saerom Han. Effects of open-field experimental warming on leaf phenology of Quercus variabilis seedlings (Co-authors: Yowhan Son, Haegeun Chung, Nam Jin Noh, Sun Jeoung Lee, Wooyong Jo, Tae Kyung Yoon, Koong Yi, Chan-Woo Park, Suin Ko)

2010

First prize: S. Vanderplank. The perennial vegetation of greater San Quintin, Baja California, Mexico. (Co-authors: E. Ezcurra, J. Delgadillo)

Honorable mention: A. Fidelis. Short-term changes caused by fire and mowing in Brazilian Campos grasslands. (Co-authors: C. Blanco, S.C. Müller, V.D. Pillar, J. Pfadenhauer)

Honorable mention: A. Lumbreras. Ecology of aquatic Ranunculus communities in the west of the Iberian Peninsula: a center of water crowfoot biodiversity. (Co-author: J.A. Molina)

2008

First Prize: Gerald Jurasinski (Germany). Upward shift of alpine plants increases floristic similarity of mountain summits. (Co-authors: J. Kreyling, C. Beierkuhnlein)

Honorable mention: Marina Semchenko (Estonia). Foraging for space by plant roots: a comparative study of grasses from contrasting habitats. (Co-authors: K. Zobel, M.J. Hutchings)

Honorable mention: Kuo-Jung Chao (Taiwan). Vegetation of the lowland tropical rainforests in Taiwan. (Co-authors: W.-C. Chao, C.-F. Hsieh)

South African Development Community Prize: Peter le Roux (South Africa). Rapid altitudinal range expansion and the formation of no-analog communities in response to warming. (Co-author: M.A. McGeoch)

2006

Joint First Prize: Jonathon Lenoir (France). Western European forest plant species move up in response to climate change. (Co-authors: J.C. Gegout, P.A. Marquet, P. De Ruffray, H. Brisse)

Joint First Prize: Michael Forster (Australia). Sclerophyllous response to complex environments in the heterophyllous species Acacia implexa (Benth). (Co-author: S.P. Bonser)