Retraction Note: Latitude affects degree of advancement in laying by birds in response to food supplementation: a meta-analysis
Retraction Note: Oecologia (2008) 157:369–376 DOI 10.1007/s00442-008-1091-1
The Editors-in-Chief of Oecologia have been made aware that Schoech and Hahn (2008) was published in another journal while under review for Oecologia. Duplicate or redundant publication is a breach of scientific conduct leading to financial costs for the journal, lost time and effort by editors and reviewers, and inflation of productivity by authors. Authors are advised to review our instructions to authors and our publisher’s ethical expectations prior to submission. Thus, the Editors-in-Chief of Oecologia, in agreement with the publisher, hereby retract this article by Schoech and Hahn (2008).