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Mostrando ítems 1 a 9 de 37.
  1. Library Resource
    Artículos de revistas y libros
    Marzo, 2021

    Countries in Southeast Asia have been developing quickly from a predominantly rural to predominantly urban society, leading to a rapid increase in urban land. This increase in urban land has mainly occurred in river deltas and floodplains, exposing humans and human assets to flood hazard. Here we present an assessment of current and future flood risk in five countries of mainland Southeast Asia, using a new modeling approach that accounts for differences in urban land systems.

  2. Library Resource
    Artículos de revistas y libros
    Enero, 2019

    Land use and land cover change is a critical factor of ecosystem services, while water yield plays a vital role in sustainable development. The impact of urban expansion on water yield has long been discussed, but water yield change resulting from cropland protection is seldom concerned. Therefore, this paper aims to investigate the impacts of cropland protection on water yield by comparing the water yield in two cropland protection scenarios (i.e., Strict Cropland Protection scenario and No Cropland Protection scenario).

  3. Library Resource
    Artículos de revistas y libros
    Diciembre, 2019

    A wide variety of settlement systems exist, ranging from small villages to large metropolises. However, spatial analyses are typically confined to the mere presence or absence of built-up land and the changes therein, while more subtle differences between various settlement systems are ignored. In this paper we study the spatial distribution of Chinese settlements in terms of their built-up land, cluster density and cluster size, as well as their changes between 1990 and 2010.

  4. Library Resource
    Artículos de revistas y libros
    Diciembre, 2018

    In the effort to achieve the Sustainable Development Goals (SDGs) related to food, health, water, and climate, an increase in pressure on land is highly likely. To avoid further land degradation and promote land restoration, multifunctional use of land is needed within the boundaries of the soil-water system. In addition, awareness-raising, a change in stakeholders' attitudes, and a change in economics are essential. The attainment of a balance between the economy, society, and the biosphere calls for a holistic approach.

  5. Library Resource
    Artículos de revistas y libros
    Julio, 2020
    Benin, África

    Propelled by rapid urbanization, city administrations in low-and middle-income countries face a raft of challenges to secure food and nutrition for its poor urban dwellers. Urban agriculture (UA) seems a viable intervention to address urban food insecurity, however, experience has shown that urban gardens do not expand at the expected rate. Tackling this issue requires a deeper understanding of the main constraints that block UA expansion. Benin is not an exception; the country witnesses a breathtaking growth of its main cities that is in synchronization with a mounting food insecurity.

  6. Library Resource
    Documentos de conferencias e informes
    Diciembre, 2019

    This paper presents five design prototypes for cool urban water environments developed in the 'Really cooling water bodies in cities' (REALCOOL) project. The REALCOOL prototypes address an urgent need: urban water bodies, such as ponds or canals, are often assumed to cool down their surroundings during days with heat stress, whereas recent research shows that this is not always the case and that urban water bodies may actually have warming effects too. There are, however, indications that shading, vaporising water, and proper ventilation can keep water bodies and their surroundings cooler.

  7. Library Resource
    Artículos de revistas y libros
    Diciembre, 1986
    Senegal

    La majorité de la population de Ziguinchor (Sénégal) appartient au groupe diola. Ce sont des 'autochtones' vis-à-vis des gens du nord, en particulier des Wolof, dont la présence paraît liée à l'action de l'État sénégalais et de son administration territoriale. Les pratiques locales sont ainsi dominées par une opposition entre des représentations foncières quasi villageoises des premiers occupants et les conceptions bureaucratiques mises en ouvre par les fonctionnaires de l'État.

  8. Library Resource
    Informes e investigaciones
    Diciembre, 2006
    Países Bajos

    Voor de Natuurbalans 2005 heeft het Milieu- en Natuurplanbureau analyses verricht van veranderingen in het ruimtegebruik en het effect daarvan op de kwaliteit van het landschap. Verstedelijking speelt daar een belangrijke rol in. Tevens neemt men verstening waar in het landelijk gebied: landbouwbedrijven krijgen een meer industrieel karakter met grote schuren en silo's

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