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Tropical forests: present status and future outlook.

N Myers

    Climatic Change
    |September 1, 1991
    PubMed
    Summary

    Tropical deforestation is accelerating, with shifted cultivators accounting for 60% of forest loss. Urgent policy attention is needed to address this critical environmental issue before forests disappear.

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    Overview: Securing the fabric of life.

    People & the planet·2002

    Area of Science:

    • Tropical Ecology
    • Environmental Science
    • Conservation Biology

    Background:

    • Tropical forests, covering 8 million km², face accelerating destruction.
    • Deforestation rates increased by 90% between 1979 and 1989.
    • Current trends project significant forest loss within decades.

    Purpose of the Study:

    • Analyze current deforestation patterns and rates in tropical forests.
    • Identify the primary drivers of tropical deforestation.
    • Evaluate the policy attention given to different deforestation agents.

    Main Methods:

    • Analysis of deforestation data from 1979 and 1989.
    • Geographical assessment of deforestation patterns across tropical regions.
    • Identification and quantification of key deforestation agents.
    Keywords:
    AfricaAfrica South Of The SaharaAgricultural DevelopmentAmericasAsiaBrazilData AnalysisDeforestationDemographic FactorsDeveloping CountriesDevelopment PlanningEconomic FactorsEnvironmentEnvironmental DegradationFrench Speaking AfricaIndonesiaLatin AmericaMiddle AfricaPopulationPopulation DynamicsPopulation GrowthResearch MethodologyRural DevelopmentSocioeconomic FactorsSouth AmericaSoutheastern AsiaZaire

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    Main Results:

    • Deforestation reached 142,200 km² in 1989, representing 1.8% of the biome.
    • Southeast/Southern Asia, East/West Africa, and Central America show high deforestation rates.
    • Shifted cultivators, or displaced peasants, are the primary agents, causing at least 60% of deforestation.

    Conclusions:

    • Tropical forest loss is escalating rapidly, threatening global ecosystems.
    • Shifted cultivators, driven by socio-economic factors, are the main drivers of deforestation.
    • Current policies disproportionately focus on commercial logging and ranching, neglecting the primary agent of forest destruction.