Résultats de la recherche | Land Portal

Résultats de la recherche

Showing items 1 through 9 of 4.
  1. Library Resource

    Land Use Policy Volume 84

    Publication évaluée par des pairs
    mai, 2019
    Monaco, Portugal

    The present study describes a methodology to quantify the gross soil nitrogen balance (SNB) for agricultural land use in the Tagus Nitrate Vulnerable Zone (TVZ) between 1989 and 2016, including effects of implementation of the EC Nitrates Directive (ND, 91/676/EEC) since 2004. The study uses decadal information from National Agricultural Census at parish level and is supported by a Geographical Information System (GIS). The average SNB of the TVZ decreased significantly (p 

  2. Library Resource

    Land Use Policy Volume 84

    Publication évaluée par des pairs
    mai, 2019
    Aruba, Bolivie, Brésil, Costa Rica, Portugal, Trinité-et-Tobago, États-Unis d'Amérique, Venezuela

    In the face of increasing socio-economic and climatic pressures in growing cities, it is rational for managers to consider multiple approaches for securing water availability. One often disregarded option is the promotion of reforestation in source regions supplying important quantities of atmospheric moisture transported over long distances through aerial rivers, affecting water resources of a city via precipitation and runoff (‘smart reforestation’). Here we present a case demonstrating smart reforestation’s potential as a water management option.

  3. Library Resource

    Land Use Policy Volume 63

    Publication évaluée par des pairs
    avril, 2017
    Bulgarie, Royaume-Uni, Pologne, Portugal, États-Unis d'Amérique, Europe

    In this paper we assess the types of knowledge networks utilised by small-scale farmers in four case studies (located in Bulgaria, Poland, Portugal, and the United Kingdom). We focus on knowledge acquired to inform three new activities being undertaken by study participants: agricultural production, subsidy access and regulatory compliance, and farm diversification (specifically agritourism).

  4. Library Resource

    Land Use Policy Volume 92

    Publication évaluée par des pairs
    mars, 2020
    Portugal

    Over the past centuries, cities have undergone major transformations that led to global urbanization. One of the phenomena emerging from urbanization is urban sprawl, defined as the uncontrolled spread of cities into undeveloped areas. The decrease in housing prices and commuting costs as well as the failure to internalize the real costs associated with natural land, led to households moving-out into the urban fringe – resulting in fragmented, low-density residential development patterns that has multiple negative impacts.

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