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Jean-Louis Ecochard

Jean-Louis Ecochard
NetHope

About

8
Publications
3,428
Reads
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199
Citations
Citations since 2016
0 Research Items
96 Citations
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Introduction
Transforming the world with technology
Skills and Expertise
Additional affiliations
May 2002 - present
The Nature Conservancy
Position
  • Chief Information Officer
Description
  • Accelerating conversation with technology

Publications

Publications (8)
Article
Full-text available
Within the marine conservation community there is considerable interest in combining local knowledge and science to achieve management objectives. Yet there remain few studies which have examined the merits and caveats of local knowledge, or shown how combining both knowledge systems has resulted in better management outcomes. This study outlines c...
Article
Marine conservation scientists and managers working in the tropics need bathymetric data, yet there exists no relatively simple and inexpensive system to derive them. We designed a system to produce bathymetric maps in 0–1,000 m water depth in less time, with less cost, and with less effort than any other system available. The system uses Landsat T...
Conference Paper
Recent degradation of coral reef habitats and the resulting loss in marine biodiversity has created an urgent need for improved characterization and monitoring including seafloor surveys. Most modern systems use sophisticated multibeam sonar and are prohibitively expensive to deploy. As part of a joint effort with The Nature Conservancy we have dev...
Conference Paper
An algorithm was developed that processes data from a single-beam echosounder and GPS system to detect and analyze fish shoals. The proposed algorithm provides the ability to identify regions within an echogram that contain fish and statistically analyze the shoals. The echosounder used is a 50 kHz/200 kHz dual-frequency unit manufactured by Lowran...
Article
Many conservation efforts require an inexpensive and easy‐to‐use method of mapping and monitoring coral reef structure. A desirable product is a 3D map that effectively portrays the reef relief (and potentially the sub‐structure) or features such as fish locations and fish spawning areas. Given field site limitations associated with the reefs, the...
Article
Full-text available
The Adaptive Bathymetric System (ABS) is designed easily, rapidly and at low cost to create a three-dimensional model of a coral reef. It is adaptive because the space between the lines of the survey grid varies based on a series of factors ranging from predicted shape of the reef to the equipment used to record its depth. This causes the survey gr...
Article
Full-text available
The Adaptive Bathymetric System (ABS) is designed to provide a simple, inexpensive system to map the small yet significant features of the ocean's bottom in three dimensions. With only a few days of fieldwork and limited investment of time, effort and post-processing, ABS offers the user an accurate 3-dimensional base map of reef areas. These maps...
Article
Full-text available
A detailed knowledge of seafloor topography is fundamental to understanding the biological systems associated with coral reefs. While surveying coral reefs has played a vital role in navigational safety for centuries, hydrographic surveys are usually coarse, missing smaller yet significant features and are limited to depths of less than 30 meters....

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