Abstract

Abstract. PErfECT "Photogrammetry, gEnetic, Ecology for red coral ConservaTion" is a project leaded by the Laboratoire des Sciences de lInformation et des Systmes (LSIS - UMR 7296 CNRS) from the Aix-Marseille University (France) in collaboration with the Spanish National Agency for Scientific Research (CSIC, Spain). The main objective of the project is to develop innovative Tools for the conservation of the Mediterranean red coral, Corallium rubrum. PErfECT was funded by the Total Fundation. The adaptation of digital photogrammetric techniques for use in submarine is rapidly increasing in recent years. In fact, these techniques are particularly well suited for use in underwater environments. PErfECT developed different photogrammetry tools to enhance the red coral population surveys based in: (i) automatic orientation on coded quadrats, (ii) use of NPR (Non Photo realistic Rendering) techniques, (iii) the calculation of distances between colonies within local populations and finally (iv) the use of plenoptic approaches in underwater conditions.

Highlights

  • 1.1 Project background and main goalsHuman activities are threatening the conservation of marine ecosystems worldwide

  • The communities dominated by red coral Corallium rubrum are included among the coralligenous assemblages one of the richest assemblages found in the Mediterranean (Ballesteros, 2006)

  • The project PErfECT (Photogrammetry, gEnetics, Ecology for red coral ConservaTion) 2015-2018, uses a novel multidisciplinary approach based on the latest developments of underwater photogrammetry to support population ecology and genetics study

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Summary

Project background and main goals

Human activities are threatening the conservation of marine ecosystems worldwide. The Mediterranean is considered a hot spot for marine biodiversity. The definition of conservation actions based on an accurate understanding of its functioning is essential to preserve it and ensure its persistence. The ultimate goal of PErfECT is to define new and more efficient conservation plans for the coralligenous community. Focused on the red coral, an emblematic species of the coralligenous, we will address two complementary objectives: 1) to define the conservation goals; 2) to characterize the functioning of the populations and its implication for restoration actions. Considering that the red coral is an engineer species, this project will benefit from the associated community.

The ecological context
Previous work
Surveys supported by photogrammetry tools
Characterization of red coral population
Inventorying natural heritage of red coral colonies
Origin
First results
Future work
Full Text
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