edoc

Etude écologique pour la gestion des mangroves à Madagascar : comparaison d'une mangrove littorale et d'estuaire à l'aide de la télédétection

Andriamalala, Clarah Arison Julie. Etude écologique pour la gestion des mangroves à Madagascar : comparaison d'une mangrove littorale et d'estuaire à l'aide de la télédétection. 2007, Doctoral Thesis, University of Basel, Faculty of Science.

[img]
Preview
PDF
8Mb

Official URL: http://edoc.unibas.ch/diss/DissB_7921

Downloads: Statistics Overview

Abstract

Like tropical rain forests, mangrove woodlands do not remain unaffected by a continuous surface loss, neither in Madagascar nor in other parts of the world. Mangroves contain a great richness. They support different economic activities, especially traditional subsistence fishery, but also a market-oriented extraction of timber and fuel wood, as well as the installation of modern shrimp farms.
In Madagascar, the activities of a multi-purpose mangrove wood market are threatening the sensitive mangrove ecosystems. Without an appropriate management, this involves the risk of its disappearance. Natural resources linked with the mangroves are a source of conflicts of interests between people promoting conservation or exploitation advantages.
Both study areas, Mariarano and Boanamary on the north-western coast of Madagascar, present different aspects. They were studied and compared in order to understand their ecology, as well as the use and exploitation of mangrove wood – aiming at an ecologically and socio-economically sustainable management. For that purpose, the present work used remote sensing techniques, biological inventories, standardized questionnaires, and socio-economical analyses. The results were integrated in a Geographical Information System. Synthetic thematic maps based on satellite detection analyses show the studied mangrove formations in their present-day distribution as well as the extend of exploitation by man.
Starting from these results, a planning concept was elaborated for the site of Mariarano, as a basis for a better protection and/ or a sustainable use of the mangroves.
Advisors:Nagel, Peter
Committee Members:Parlow, Eberhard and Peveling, Ralf
Faculties and Departments:05 Faculty of Science > Departement Umweltwissenschaften > Ehemalige Einheiten Umweltwissenschaften > Biogeographie (Nagel)
UniBasel Contributors:Nagel, Peter and Parlow, Eberhard and Peveling, Ralf
Item Type:Thesis
Thesis Subtype:Doctoral Thesis
Thesis no:7921
Thesis status:Complete
Bibsysno:Link to catalogue
Number of Pages:280
Language:French
Identification Number:
Last Modified:22 Jan 2018 15:50
Deposited On:13 Feb 2009 16:04

Repository Staff Only: item control page