Varga, Sandra
Article History
Received: 29 November 2013
Accepted: 30 April 2014
First Online: 30 May 2014
Change Date: 7 April 2020
Change Type: Correction
Change Details: The Editor-in-Chief has retracted this article��[1]. According to the University of Jyv��skyl��, the author did not have permission to use the data for the research purposes described in this article. The University of Jyv��skyl�� has stated that the data collected from the Konnevesi long-term field experiment forms a database protected under the Finnish Copyright Act, Section��49. The producer, in this case the University of Jyv��skyl��, holds the exclusive rights over the database. The author agrees to this retraction.