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Deprecated function: The each() function is deprecated. This message will be suppressed on further calls in _menu_load_objects() (line 579 of /var/www/vhosts/helecos-8.web.auth.gr/httpdocs/includes/menu.inc).Stephanos Sgardelis
Expertise: Population Ecology
TitleHow many species are there out there or where can I find five heron species?
Professor at the School of Biology, AUTH, Director of the Laboratory of Ecology and Coordinator of the Postgraduate Programme of Studies "Ecology and Conservation Biology". He has been Secretary of the European Ecological Federation (EEF) and co-organiser of the VIII European Ecological Congress.