an integrated analysis of ecology, land use and land cover dynamics in eastern amazonia ima célia...
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![Page 1: An Integrated Analysis of Ecology, Land use and Land Cover Dynamics in Eastern Amazonia Ima Célia Guimarães Vieira Museu Paraense Emilio Goeldi Ministério](https://reader035.vdocument.in/reader035/viewer/2022062619/5515517055034673228b64cc/html5/thumbnails/1.jpg)
An Integrated Analysis of Ecology, Land use
and Land Cover Dynamics in Eastern
Amazonia
Ima Célia Guimarães VieiraMuseu Paraense Emilio Goeldi
Ministério da Ciência e Tecnologia
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Analysis of land use/cover in old and recent agriculture
frontiersProposal of Integrative
Studies – Sustainable territory
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Macrozoneamento Ambiental do Estado do Pará (Sectam/PA, 2000).
Áreas protegidas Áreas de cobertura florestal intacta
Áreas de baixa antropização e uso recente
Áreas dealta antropização
e uso antigo
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Evolution of deforestation in Marabá-Pará
Projeto GEOMA:Modelagem de Uso da Terra e
Dinâmica Populacional
19751975
1991199120032003
19971997
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Evolution of Deforestation
Total Desflorestamento (103 ha) 1975 – 1978 (103 ha.Ano-1) 1978 – 1991 (103 ha.Ano-1) 1991 – 1994 (103 ha.Ano-1) 1994 – 1997 (103 ha.Ano-1) 1997 – 2000 (103 ha.Ano-1) 2000 – 2001 (103 ha.Ano-1) 2001 – 2002 (103 ha.Ano-1) 2002 – 2003 (103 ha.Ano-1)
19 39 327 378 464 562 599 626 673 6,4 22,2 17,1 28,5 32,9 36,5 27,4 46,2
1975 1978 1991 1994 1997 2000 2001 2002 2003
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Desflorestamento até 1997Incremento 1997 - 2000FlorestaNão-FlorestaNuvem
Desflorestamento 1997 : ~ 35.000 ha 2000 : ~ 57.000 ha
Prodes/Inpe 1997-2000Estimativa do desflorestamento: Área entre os rios Iriri e Xingú
e retas traçadas ortogonalmente
Frente do Iriri Frente do Iriri 1997 - 20001997 - 2000
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Rio Iriri Rio Xingú
Frente do Iriri Frente do Iriri 2000 - 20012000 - 2001
Desflorestamento 2000 : ~ 57.000 ha 2001 : ~ 115.000 ha
Prodes/INPE 2000-2001
Desflorestamento até 2000Incremento 2000 - 2001FlorestaNão-FlorestaNuvem
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Desflorestamento 2002 : ~ 185.000 ha 2003 : ~ 230.000 ha
Prodes/INPE 2002-2003
Desflorestamento até 2002Incremento 2002 - 2003FlorestaNão-FlorestaNuvem
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Model of Sustainable Use of
Amazonian Territory
Model of sustainable occupation that maintains ecological and biodiversity processes and also allows the economic and social development of the region.
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Which information are necessary ?
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Environmental data• Land use
• Biodiversity distribution
• Geology and Geomorphology
• Climate
• Vegetation, etc...
Socio-Economical Data• Population
• Offer and use of natural resources
• Patterns and economical trends
• Protected Areas
• Infrastructure and development plans
• Etc...
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What is the structure of a sustainable territory?
• Conservation units (UC’s) in strategic locations.
• Ecological Corridors connecting the UC’s by Permanent Preservation Areas (APPs) and Legal Reserves (RLs).
• Areas for economic ativities in appropriate and strategic locations.
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How to analyse and integrate these information?
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Geographical Information Systems• Overposing
• Simulation
• Construction of Scenaries
Critical Analysis by social actors • Group meetings (reuniões participativas)
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The structure of the territory determines
the actions to be taken
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Matrix Mancha
Corridor
NEW AGRICULTURE FRONTIER
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Matrix
Mancha
Corridor
OLD AGRICULTURE FRONTIER
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Differences in the landscape structure influences the strategies of development
and conservation planning
Structure Old frontier regions
Recent frontier regions
Matrix Change Mantain
Mancha IncreaseStabilize or
reduce
CorridorExpand/ Maximize
impactsReduce/
Minimize impacts
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A Science Plan for Sustainable
Territories in Amazonia
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Research Program and Public Policies – to establish sustainable
territories in Amazonia
There is a logical ccupation plan of the Amazon region and an enormous potential of reserach programs very well structured as LBA and GEOMA in the context of more “transversalidade” of the government actions, related to establish sustainable territories.
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Considerations
1. The regions subjected to greater impacts that needs PP in Amazon are those under strong and decisive pression of fronts of agricultural, logging and mining expansion.
2. In the case of Para, the west part is more critical (BR 163) but other areas less visible are also under great logging and mining pressure (Itaituba, Aveiro e Juruti).
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3. The investiments for Pará and region are centred in ZEE, BR-163, and deforestation control and monitoring. To consolidate these iniciatives these research programs have an importante role to demonstrate scientifically the modifications that occur related to land speculation, land use change, social and landscape changes in large scale.
4. In west Para there are local focus of great ecological and socioenvironmental importance that needs urgentt scientific knowledge to guide the territory planning (ordenamento territorial).
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Some of these focus are: - Terra do Meio;- Norte da Transamazônica e margem esquerda do Amazonas; - Calha Norte (Prainha, Monte Alegre, Alenquer, Oriximiná e Óbidos); Cabeceirasd do rio Arapiuns (Juruti because of soybean and mining by ALCOA that can reach half of the territory) connecting Aveiro and Itaituba; - BR-163 Apuí, and other areas in Amazonas state
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Challenges
How to articulate interdisciplinaries programs to be the most important “tool” for the government in the analysis of the ecological and socio economics dynamics of a region under the most critical and violent pression of occupation?
Can we provide tools (maps, sattelite images) using the best/modern technics for diagnostics that can be used by the government and society to urgent decision making?
WHAT WE NEED? Resources and mechanisms of elasticity of research teams and mainly a total envolvement of those teams with institutions that are discussing PP for the region.To establish credibility and legitimity and consolidate dialogues between researchers, decision makers and social actors.
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Ways of acting
Construct an institucional network and alocate a great effort in scientific knowledge generation;
Construct an agenda with the main government plans and actions, allocate researchers and collaborators to develop a good research plan.
Provide information and tools (maps, sattelite images) for discussing local and regional strategies for territory planning;
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The importance of this proposal• The strategy of the proposal is focused in territories;• Integrated approach that makes possible replicability;• A Science Plan based in the reality;• Allows to develop advanced instruments of analysis
and also reviews scientific theories;• Type of methodology is appropriate to develop and
predict scenaries; • Allows integration between research groups and
projects.