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Title of Journal: Polar Biol

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Abbravation: Polar Biology

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Springer-Verlag

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DOI

10.1007/bf01501276

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1432-2056

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High Arctic vegetation after 70 years a repeated

Authors: Karel Prach Jiří Košnar Jitka Klimešová Martin Hais
Publish Date: 2009/11/10
Volume: 33, Issue: 5, Pages: 635-639
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Abstract

We asked whether vegetation mapping repeated after 70 years revealed vegetation changes in the high Arctic The study site is located at 78°38′N 16°45′E near Brucebyen at the Adolfbukta Bay head of Billjefjorden in central Spitsbergen Svalbard and encompasses an area of 2042 × 521 m The mapping carried out in 2008 did not reveal any changes in vegetation since a previous study in 1936–1937 that could be attributed to climate change We argue that our finding can be interpreted as evidence of a slow ecological response of constituent plants in such a harsh environment Moreover geographic isolation may limit establishment and expansion of new species Some successional changes were only due to erosion–accumulation processes connected especially to stream activityThis research was supported by the Ministry of Education of Czech Republic INGO LA 341 Grant AV0Z60050516 from the Academy of Sciences of the Czech Republic and by MSM6007665801 Identification of some vascular plants was checked by Milan Štech České Budějovice of Lophozia by Jiří Váňa Prague and of Campylium by Lars Hedenäs Stockholm We thank to referees and Dieter Piepenburg for their comments Brian Tlougan and Max Wade for English revision and Petra Konvalinková for drawing the maps

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