CONTENTS	5
	Preface: Special issue – Plants and Climate Change	7
	Responses of terrestrial Antarctic ecosystems to climate change	9
	Vascular plant responses to elevated CO2 in a temperate lowland Sphagnum peatland	20
	Moss responses to elevated CO2 and variation in hydrology in a temperate lowland peatland	33
	From transient to steady-state response of ecosystems to atmospheric CO2- enrichment and global climate change: conceptual challenges and need for an integrated approach	48
	Plant performance in a warmer world: general responses of plants from cold, northern biomes and the importance of winter and spring events	69
	Stable isotope ratios as a tool for assessing changes in carbon and nutrient sources in Antarctic terrestrial ecosystems	83
	Upscaling regional emissions of greenhouse gases from rice cultivation: methods and sources of uncertainty	92
	Effects of enhanced UV-B radiation on nitrogen fixation in arctic ecosystems	111
	Stratospheric ozone depletion: high arctic tundra plant growth on Svalbard is not affected by enhanced UV- B after 7 years of UV- B supplementation in the field	122
	Outdoor studies on the effects of solar UV-B on bryophytes: overview and methodology	138
	A vegetation, climate and environment reconstruction based on palynological analyses of high arctic tundra peat cores ( 5000 – 6000 years BP) from Svalbard	155
	Physiognomic and chemical characters in wood as palaeoclimate proxies	175
	The occurrence of p-coumaric acid and ferulic acid in fossil plant materials and their use as UV- proxy	197
	Biomacromolecules of algae and plants and their fossil analogues	209
	SUBJECT INDEX VOLUME 182 2006	234
	SPECIES INDEX VOLUME 182 2006	253
	AUTHOR INDEX VOLUME 182 2006	258
	Tasks for vegetation science	259