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Showing items 1 through 9 of 5.
  1. Library Resource
    Journal Articles & Books
    December, 2014
    United States of America

    National Agriculture Imagery Program (NAIP) orthophotography is a potentially useful data source for land cover classification in the United States due to its nationwide and generally cloud-free coverage, low cost to the public, frequent update interval, and high spatial resolution. Nevertheless, there are challenges when working with NAIP imagery, especially regarding varying viewing geometry, radiometric normalization, and calibration.

  2. Library Resource
    Journal Articles & Books
    December, 2012

    This paper traces a genealogy of land access and legitimization strategies culminating in the current convergence of mining and conservation in Southeast Madagascar, contributing to recent debates analyzing the commonalities and interdependencies between seemingly discrete types of land acquisitions.

  3. Library Resource
    Journal Articles & Books
    December, 2011
    Africa, Middle Africa

    The authors explore three problems confronting scientists working in the central African humid forest zone and show their interconnectedness in the context of the sociopolitical history of the area. These problems emerge from different domains at different spatial scales: agricultural development, natural resource management, and landscape scale conservation. Land and livelihoods are severely constrained in central Africa. Agriculture is rarely remunerative: prices are low, technology limited, land rights contested, and labor scarce.

  4. Library Resource
    Journal Articles & Books
    December, 2012

    The landscape surrounding Sudbury, Ontario, has been severely affected by 100 years of mining and forestry and a recent, large-scale ecological risk assessment found that terrestrial plant communities continue to be impaired by remnant metals and poor soil conditions. We investigated the risks of these adverse landscape conditions on a small headwater stream by digitizing land cover at a fine scale and relating it to benthic invertebrate diversity and metal concentrations at 13 sites in the system.

  5. Library Resource
    Journal Articles & Books
    December, 2011
    Nigeria

    Natural and anthropogenic processes and products of mining affect quality of life in highly mineralised areas, such as the derelict Enyigba-Abakaliki agriculture-oriented lead–zinc mining area, which has degradation of land and groundwater resources. This study establishes that Nigeria and other developing nations should maximise the benefits and mitigate the negative impacts of adverse natural and mining activities so as to achieve poverty alleviation.

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