Spatialisation de la biodiversité en Amazonie brésilienne pour appréhender l’influence de la colonisation des terres et des politiques publiques

This article proposes a method for monitoring spatial dynamics of biodiversity which have occurred along the past 40 years ago in a farming community, Benfica, State of Pará, Brazilian Amazon. It is designed to assess "where", “when”, “why” changes have occurred, and "how much" s...

Full description

Saved in:
Bibliographic Details
Main Authors: Anne-Elisabeth Laques, Danielle Mitja, Eric Delaître, Marcelo Cordeiro Thales, Izildinha de Souza Miranda, Roberta de Fátima Rodrigues Coelho, Sandra Maria Neiva Sampaio
Format: Article
Language:fra
Published: Éditions en environnement VertigO 2012-09-01
Series:VertigO
Subjects:
Online Access:https://journals.openedition.org/vertigo/12501
Tags: Add Tag
No Tags, Be the first to tag this record!
_version_ 1841552947623755776
author Anne-Elisabeth Laques
Danielle Mitja
Eric Delaître
Marcelo Cordeiro Thales
Izildinha de Souza Miranda
Roberta de Fátima Rodrigues Coelho
Sandra Maria Neiva Sampaio
author_facet Anne-Elisabeth Laques
Danielle Mitja
Eric Delaître
Marcelo Cordeiro Thales
Izildinha de Souza Miranda
Roberta de Fátima Rodrigues Coelho
Sandra Maria Neiva Sampaio
author_sort Anne-Elisabeth Laques
collection DOAJ
description This article proposes a method for monitoring spatial dynamics of biodiversity which have occurred along the past 40 years ago in a farming community, Benfica, State of Pará, Brazilian Amazon. It is designed to assess "where", “when”, “why” changes have occurred, and "how much" surface is impacted. ? The goal is to help assess the impact of settlement policies on these dynamics. Data collected on both spatial disparities and rhythms of transformation should enrich knowledge on biodiversity evolution. In the current approach biodiversity is assessed by a scale of values resulting from several indicators combined. Each one contributes to estimate changes which occur during the land use change from forest to cropping. Biodiversity is then evaluated at two levels : one encountering the various forms of resources exploitation and attributing the measure of biodiversity to a landscape component (forest, fallow and crop / pasture) ; and the other, the category of actors (smallholders vs farmers), and reporting the extent of biodiversity to territory units which is preferentially operated. This monitoring process of this territory is easily replicable in time. In fact, it only depends on the availability of satellite images. This approach is on the process of validation to be used in further works dealing with similar anthropic forest regions.
format Article
id doaj-art-371259e48404420e9dac7d0a47123861
institution Kabale University
issn 1492-8442
language fra
publishDate 2012-09-01
publisher Éditions en environnement VertigO
record_format Article
series VertigO
spelling doaj-art-371259e48404420e9dac7d0a471238612025-01-09T12:38:38ZfraÉditions en environnement VertigOVertigO1492-84422012-09-011410.4000/vertigo.12501Spatialisation de la biodiversité en Amazonie brésilienne pour appréhender l’influence de la colonisation des terres et des politiques publiquesAnne-Elisabeth LaquesDanielle MitjaEric DelaîtreMarcelo Cordeiro ThalesIzildinha de Souza MirandaRoberta de Fátima Rodrigues CoelhoSandra Maria Neiva SampaioThis article proposes a method for monitoring spatial dynamics of biodiversity which have occurred along the past 40 years ago in a farming community, Benfica, State of Pará, Brazilian Amazon. It is designed to assess "where", “when”, “why” changes have occurred, and "how much" surface is impacted. ? The goal is to help assess the impact of settlement policies on these dynamics. Data collected on both spatial disparities and rhythms of transformation should enrich knowledge on biodiversity evolution. In the current approach biodiversity is assessed by a scale of values resulting from several indicators combined. Each one contributes to estimate changes which occur during the land use change from forest to cropping. Biodiversity is then evaluated at two levels : one encountering the various forms of resources exploitation and attributing the measure of biodiversity to a landscape component (forest, fallow and crop / pasture) ; and the other, the category of actors (smallholders vs farmers), and reporting the extent of biodiversity to territory units which is preferentially operated. This monitoring process of this territory is easily replicable in time. In fact, it only depends on the availability of satellite images. This approach is on the process of validation to be used in further works dealing with similar anthropic forest regions.https://journals.openedition.org/vertigo/12501biodiversityBrazilindicatorspublic policyremote sensingspatialization
spellingShingle Anne-Elisabeth Laques
Danielle Mitja
Eric Delaître
Marcelo Cordeiro Thales
Izildinha de Souza Miranda
Roberta de Fátima Rodrigues Coelho
Sandra Maria Neiva Sampaio
Spatialisation de la biodiversité en Amazonie brésilienne pour appréhender l’influence de la colonisation des terres et des politiques publiques
VertigO
biodiversity
Brazil
indicators
public policy
remote sensing
spatialization
title Spatialisation de la biodiversité en Amazonie brésilienne pour appréhender l’influence de la colonisation des terres et des politiques publiques
title_full Spatialisation de la biodiversité en Amazonie brésilienne pour appréhender l’influence de la colonisation des terres et des politiques publiques
title_fullStr Spatialisation de la biodiversité en Amazonie brésilienne pour appréhender l’influence de la colonisation des terres et des politiques publiques
title_full_unstemmed Spatialisation de la biodiversité en Amazonie brésilienne pour appréhender l’influence de la colonisation des terres et des politiques publiques
title_short Spatialisation de la biodiversité en Amazonie brésilienne pour appréhender l’influence de la colonisation des terres et des politiques publiques
title_sort spatialisation de la biodiversite en amazonie bresilienne pour apprehender l influence de la colonisation des terres et des politiques publiques
topic biodiversity
Brazil
indicators
public policy
remote sensing
spatialization
url https://journals.openedition.org/vertigo/12501
work_keys_str_mv AT anneelisabethlaques spatialisationdelabiodiversiteenamazoniebresiliennepourapprehenderlinfluencedelacolonisationdesterresetdespolitiquespubliques
AT daniellemitja spatialisationdelabiodiversiteenamazoniebresiliennepourapprehenderlinfluencedelacolonisationdesterresetdespolitiquespubliques
AT ericdelaitre spatialisationdelabiodiversiteenamazoniebresiliennepourapprehenderlinfluencedelacolonisationdesterresetdespolitiquespubliques
AT marcelocordeirothales spatialisationdelabiodiversiteenamazoniebresiliennepourapprehenderlinfluencedelacolonisationdesterresetdespolitiquespubliques
AT izildinhadesouzamiranda spatialisationdelabiodiversiteenamazoniebresiliennepourapprehenderlinfluencedelacolonisationdesterresetdespolitiquespubliques
AT robertadefatimarodriguescoelho spatialisationdelabiodiversiteenamazoniebresiliennepourapprehenderlinfluencedelacolonisationdesterresetdespolitiquespubliques
AT sandramarianeivasampaio spatialisationdelabiodiversiteenamazoniebresiliennepourapprehenderlinfluencedelacolonisationdesterresetdespolitiquespubliques