Monitoring results of grey heron (Ardea cinerea) colony of Bavna forest, during 2007 – 2016

 

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Article Title: Monitoring results of grey heron (Ardea cinerea) colony of Bavna forest, during 2007 – 2016
Authors: Laposi A., Ardelean A., Ardelean G., Ardelean D.
Affiliation: Vasile Goldis” Western University of Arad, Romania
Abstract: This paper presents the results of 10 years of monitoring of grey heron (Ardea cinerea) colony of Bavna Forest, Maramureș county, Romania. The Bavna Forest Reserve grey heron colony, represents the main reproduction perimeter of this species in the lower Somes, only one in Baia Mare Depression. The census was conducted between 2007- 2016, by ground counting of all nests. The number of recorded nests was between 80 (2014) and 163 (2010) and the trees used for nesting between 17 (2014) and 40 (2010). During the monitoring period, the colony had a slightly downward trend. The continuation of the monitoring program is a necessity to supplement the information on the evolution of the gray heron breeding population in the area.
Keywords: Grey Heron, colony, Bavna Forest, monitoring, breeding population.
*Correspondence: Alexandru Laposi, Vasile Goldis” Western University of Arad, Romania, lxndrlaposi@yahoo.com