Are land based surveys a useful tool for managing marine species of coastal protected areas?
Giacoma, C.; Papale, E.; Azzolin, M. (2013). Are land based surveys a useful tool for managing marine species of coastal protected areas? Diversity 5(1): 15-25. https://dx.doi.org/10.3390/d5010015
In: Diversity. MDPI: Basel. ISSN 1424-2818; e-ISSN 1424-2818, meer
One goal of the LIFE project “Del.Ta.” (NAT/IT/000163) was the preparation of an Action Plan to protect the bottlenose dolphin community in the Pelagie Archipelago (Sicily, Italy). It stressed the importance of regular monitoring of the spatial and temporal distribution of dolphins in order to evaluate the impact of local activities. This study assesses whether land-based surveys could be an effective alternative to vessel-based surveys. During the summer of 2006, both surveys’ methodologies were used at Lampedusa, with 35 sightings recorded from land and 31 from a boat. Comparison was based on the assessment of the type of information they provided in relation to the presence of the animals and their behavior. Both methodologies were applicable, but there were differences in their requirements, potential information generated, costs, and sensitivity to weather conditions. Vessel-based surveys require well trained observers and enable photo-identification and observation of social interaction and morphology. Animal movements, interactions with anthropogenic elements and group dynamics are better collected from land but spatial data can be documented up to 1 nautical mile from the coast. Weather conditions have a significant platform specific effect on sighting frequencies. The high sighting frequency during land surveys provides support for the development of zero-impact land-based dolphins watching activity.
Dataset
LAMPEDUSA_2004-2006: Azzolin, M; Giacoma, C; Life and System Biology Department, University of Turin, Italy (2020): Dolphins and sea turtle monitoring in the Pelagie Archipelago (Italy) from 2004 to 2006, meer
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