title: The fourth dimension of vegetation.
authors: Department of Biology, University of Bergen, Post Office Box 7803, N-5020 Bergen, Norway. Environmental Change Research Centre, University College, London WC1E 6BT, UK. john.birks@uib.no hilary.birks@uib.no brigitta.ammann@ips.unibe.ch.
authors: H John B
authors: HJ
authors: Birks
authors: Department of Biology, University of Bergen, Post Office Box 7803, N-5020 Bergen, Norway. john.birks@uib.no hilary.birks@uib.no brigitta.ammann@ips.unibe.ch.
authors: Hilary H
authors: HH
authors: Birks
authors: Oeschger Centre for Climate Change Research and Institute of Plant Sciences, University of Bern, CH-3013 Bern, Switzerland. john.birks@uib.no hilary.birks@uib.no brigitta.ammann@ips.unibe.ch.
authors: Brigitta
authors: B
authors: Ammann
mesh_terms: D002452:Cell Count; D057231:Climate Change / Q000266:history*; D017753:Ecosystem; D049690:History, Ancient; D010944:Plants; D011058:Pollen / Q000166:cytology*