1. Department of Life Sciences Natural History Museum London UK
2. Environmental Change Research Centre, Department of Geography University College London London UK
3. Grupo de Palinología y Paleoecología Tropical, Departamento de Ciencias Biológicas Universidad de los Andes Bogotá Colombia
4. Lake Group and Arctic Research Centre, Department of Bioscience Aarhus University Aarhus Denmark
5. Biological and Environmental Sciences University of Stirling Stirling UK