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Forests vanish as population expands

    Popline
    |May 1, 1992
    PubMed
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    Madagascar

    Area of Science:

    • Ecology
    • Environmental Science
    • Conservation Biology

    Background:

    • Madagascar's forests have experienced drastic reduction, losing half their cover since 1950.
    • Habitat for endemic wildlife has been halved due to deforestation, impacting biodiversity.
    • Annual forest clearing is driven by a 3.2% annual population growth rate.

    Purpose of the Study:

    • To illustrate the direct impact of population expansion on forest cover and land use.
    • To analyze the socio-economic consequences of shrinking landholdings in rural Madagascar.
    • To document the process of deforestation and its link to agricultural expansion.

    Main Methods:

    • Case study of Ambodiaviavy village near Ranomafana, Madagascar.
    • Historical analysis of land use and population changes over 50 years.
    Keywords:
    AfricaAfrica South Of The SaharaDeforestationDemographic FactorsDeveloping CountriesEastern AfricaEconomic FactorsEnvironmentEnvironmental DegradationFrench Speaking AfricaLand SupplyLand TenureMadagascarMigrationNatural ResourcesPopulationPopulation CharacteristicsPopulation DynamicsPopulation GrowthPovertyRural PopulationSocioeconomic Factors

    Related Experiment Videos

  • Observation of agricultural practices and land subdivision patterns.

    • Main Results:

    • Village population increased tenfold in 43 years, leading to forest clearing on valley slopes.
    • Original valley bottom farmlands became subdivided, diminishing family landholdings.
    • Generational land subdivision resulted in reduced agricultural productivity and increased poverty.

    Conclusions:

    • Population growth is the primary driver of deforestation and habitat loss in Madagascar.
    • Intensified land use and subdivision lead to decreased economic prosperity for farming families.
    • Sustainable land management and population strategies are crucial for Madagascar's unique ecosystems.