Acquiring seabed, landform or other topographic data in the field of marine ecology has a pivotal role in defining and mapping key marine habitats. However, accessibility for this kind of data with a high level of detail for very shallow and inaccessible marine habitats has been often challenging, time consuming. Spatial and temporal coverage often has to be compromised to make more cost effective the monitoring routine. Nowadays, emerging technologies, can overcome many of these constraints. Here we describe a recent development in remote sensing based on a small unmanned drone (UAVs) that produce very fine scale maps of fish nursery areas. This technology is simple to use, inexpensive, and timely in producing aerial photographs of marine areas. Both technical details regarding aerial photos acquisition (drone and camera settings) and post processing workflow (3D model generation with Structure From Motion algorithm and photo-stitching) are given. Finally by applying modern algorithm of semi-automatic image analysis and classification (Maximum Likelihood, ECHO and Object-based Image Analysis) we compared the results of three thematic maps of nursery area for juvenile sparid fishes, highlighting the potential of this method in mapping and monitoring coastal marine habitats.

A low-cost drone based application for identifying and mapping of coastal fish nursery grounds / Ventura, Daniele; Bruno, Michele; JONA LASINIO, Giovanna; Belluscio, Andrea; Ardizzone, Domenico. - In: ESTUARINE, COASTAL AND SHELF SCIENCE. - ISSN 0272-7714. - ELETTRONICO. - 171:(2016), pp. 85-98. [10.1016/j.ecss.2016.01.030]

A low-cost drone based application for identifying and mapping of coastal fish nursery grounds

Daniele Ventura
;
Giovanna Jona Lasinio;Andrea Belluscio;Domenico Ardizzone
2016

Abstract

Acquiring seabed, landform or other topographic data in the field of marine ecology has a pivotal role in defining and mapping key marine habitats. However, accessibility for this kind of data with a high level of detail for very shallow and inaccessible marine habitats has been often challenging, time consuming. Spatial and temporal coverage often has to be compromised to make more cost effective the monitoring routine. Nowadays, emerging technologies, can overcome many of these constraints. Here we describe a recent development in remote sensing based on a small unmanned drone (UAVs) that produce very fine scale maps of fish nursery areas. This technology is simple to use, inexpensive, and timely in producing aerial photographs of marine areas. Both technical details regarding aerial photos acquisition (drone and camera settings) and post processing workflow (3D model generation with Structure From Motion algorithm and photo-stitching) are given. Finally by applying modern algorithm of semi-automatic image analysis and classification (Maximum Likelihood, ECHO and Object-based Image Analysis) we compared the results of three thematic maps of nursery area for juvenile sparid fishes, highlighting the potential of this method in mapping and monitoring coastal marine habitats.
2016
drone; nursery mapping; image classification; aerial imagery; mediterranean sea; central tyrrhenian sea; Giglio island
01 Pubblicazione su rivista::01a Articolo in rivista
A low-cost drone based application for identifying and mapping of coastal fish nursery grounds / Ventura, Daniele; Bruno, Michele; JONA LASINIO, Giovanna; Belluscio, Andrea; Ardizzone, Domenico. - In: ESTUARINE, COASTAL AND SHELF SCIENCE. - ISSN 0272-7714. - ELETTRONICO. - 171:(2016), pp. 85-98. [10.1016/j.ecss.2016.01.030]
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11573/849940
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