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https://hdl.handle.net/123456789/686| Τύπος: | Ανακοίνωση σε συνέδριο |
| Τίτλος: | Design-based and model-based estimations of distribution and abundance of dolphin populations in Gulf of Corinth, Hellas |
| Συγγραφέας: | [EL] Καραμήτρος, Γρηγόριος[EN] Karamitros, Grigorios [EL] Γκάφας, Γεώργιος[EN] Gkafas, Georgios [EL] Γιαντσής, Ιωάννης[EN] Giantsis, Ioannis [EL] Μαρτσικάλης, Πέτρος[EN] Martsikalis Petros [EL] Κάβουρας, Μενέλαος[EN] Kavouras, Menelaos [EL] Εξαδάκτυλος, Αθανάσιος[EN] Exadactylos, Athanasios |
| Ημερομηνία: | 06/09/2019 |
| Περίληψη: | In recent years a major scientific effort has been focused on the protection of marine mammals. Gulf of Corinth is part of the Natura 2000 network (GR2530007) since 2016, with Special Areas of Conservation and constitutes an important habitat for striped dolphin (Stenella coeruleoalba), bottlenose dolphin (Tursiops truncatus) and short-beaked common dolphin (Delphinus delphis). Dedicated shipboard transect line surveys were designed and based in Conventional Distance Sampling and were implemented seasonally during 2018-2019, using passive acoustic and visual techniques, combined with related data derived from 2005-2006 field surveys. Estimation of distribution and abundance of dolphins’ population with a design-based approach using factors such as weather conditions and cluster sizes surprisingly revealed the total absence of Delphinus delphis from the studied area. Density Surface Models (DSM) were used to model these adjusted counts based on a formula involving environmental covariates (depth, surface temperature), in order to investigate the response of populations to biotic and abiotic covariates. Model-based approach for mapping the spatial distribution of animal species clusters can be a useful management tool in establishing protected areas, as well as in communicating monitoring data with non-experts. |
| Γλώσσα: | Αγγλικά |
| Τόπος δημοσίευσης: | Rhodes, Greece |
| Σελίδες: | 2 |
| Θεματική κατηγορία: | [EL] Θαλάσσια βιολογία και Βιολογία γλυκών υδάτων[EN] Marine and Freshwater Biology |
| Λέξεις-κλειδιά: | Delphinids; Gulf of Corinth; Distance Sampling; Density Surface Models |
| Κάτοχος πνευματικών δικαιωμάτων: | Πανεπιστήμιο Θεσσαλίας, Τμήμα Γεωπονίας Ιχθυολογίας & Υδάτινου Περιβάλλοντος |
| Όνομα εκδήλωσης: | 16th International Conference on Environmental Science and Technology CEST2019 |
| Τοποθεσία εκδήλωσης: | Rhodes, Greece |
| Ημ/νία έναρξης εκδήλωσης: | 04/09/2019 |
| Ημ/νία λήξης εκδήλωσης: | 07/09/2019 |
| Σημειώσεις: | This research is co-financed by Greece and the European Union (European Social Fund- ESF) through the Operational Program «Human Resources Development, Education and Lifelong Learning 2014-2020» in the context of the project “Biomonitoring of marine mammals in Eastern Mediterranean” (MIS 5005612). Conference programme ; https://cest2019.gnest.org/sites/default/files/CEST2019_PROGRAMME_FINAL_WEBSITE.pdf Oral presentation in Environmental data analysis and modelling [CEST2019_00604] Session: 30, Room: F, - Design-based and model-based estimations of distribution and abundance of dolphin populations in Gulf of Corinth, Hellas by Karamitros G., Gkafas G.A., Giantsis I.A., Martsikalis P., Kavouras M. and Exadactylos A. |
| Εμφανίζεται στις συλλογές: | Ερευνητικές ομάδες |
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| Ανακοίνωση_Συνεδρίου.pdf | 563.57 kB | Adobe PDF | - |  | Δείτε/ανοίξτε |