PROPOSALS FOR THE PROTECTION AND IMPROVEMENT OF THE LANDSCAPE OF NAVARROSSE VILLAGE AND ITS SURROUNDINGS

Presents Navarrosse village, its enironnment and the various protections that apply: registered site, coastal law, ZNIEFF, habitat directive…
Make an assessment of the management of the site over the years from 1960 to 1990 and presents suggestions for improvements for the different features of the site.

Full document: 48 pages – 1998

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KNOW, PROTECT AND ENHANCE NAVARROSSE VILLAGE SURROUNDINGS

Presents the most remarkable elements of the site of Navarrosse, issues, and regulatory constraints.
Try to make a balance between human activity and nature, especially for the village of Navarrosse, fishing and submits a set of proposals for the years to come.

Full document: 65 pages – 1999

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LAKE OF CAZAUX-SANGUINET, NAVIGATION PORT AND BEACHES

Describes the formation of the Lake and presents several reproductions of old maps.
Based on key components of the ecosystem, proposals of requalification of the ports, of the southern shore, of the insertion of beaches and villages into a coherent whole, are made.
The last chapter provides practical information about navigation on the lake.

Full document: 60 pages – 2000

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THE LAKE of CAZAUX-SANGUINET, WATER QUALITY

This document addresses the quality of the water of the Lake, in relation with its different uses: bathing, production of drinking water, fishing.
After presenting the process of eutrophication and other causes of pollution, quality standards and analysis data are indicated.
Finally, the preventative and curative remediations are exposed.

Full document: 106 pages – 2006

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POLLUTION OF SURFACE WATER, EUTROPHICATION AND CYANOBACTERIA

This document describes the main mechanisms of surface water pollution, especially eutrophication and the development of cyanobacteria.
Public health issues are addressed whether for drinking water, water for swimming or fishing.
Only the process in relation to eutrophication are described along with substances that cause or result of eutrophivation. This restriction does not assume, however, that other substances are less dangerous.
Full document: 41 pages – 2007.

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POLLUTION OF SURFACE WATER – CHEMICALS

Introduce the concepts of acute and chronic toxicity.
Effects still unknown a few years ago or underrated: bioconcentration, impurities, degradation products, synergistic action toxicity… are now common.
Although chemicals are used on a large scale only for half a century, the consequences are dramatic: proportion of polluted water masses, concentration of pollutants in fish, sometimes requiring a reduction in consumption, fishing and swimming prohibited…
Full document: 108 pages – 2006.
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STUDY OF CYANOBACTERIA DIVERSITY OF WATER BODIES OF BISCARROSSE

This study presents the different genera and species of cyanobacteria found in the water bodies of Biscarrosse: the Lake of Cazaux-Sanguinet, Parentis-Biscarrosse Lake and the small pond of Biscarrosse. It intends to identify quickly and easily from cyanobacteria sampled from these water bodies but also to highlight the microbial richness of these water bodies and thus the need to protect these ecosystems.

Full document: 61 pages – 2012

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SATELLITE REMOTE SENSING FOR WATER QUALITY

This document describes the satellite detection method based on spectral analysis of the light scattered by water and substances in suspension or dissolved.
The limits and difficulties are then presented as well as the results obtained and the possibilities for the Landes Lakes.

Full document: 30 pages – 2012

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