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Elsevier Resources

Mostrando 81 - 90 de 1588
Library Resource
Artículos de revistas y libros
Diciembre, 2016
Alemania

Greenbelts are the best-known growth management policies in Germany. As part of its regional plans, they attempt to keep undeveloped areas permanently open, thus avoiding sprawling, i.e., land consumptive forms of urban development. However, the effectiveness of such land use designations in terms of guiding and limiting urban growth has rarely been the subject of in-depth research. This is the first study to present a GIS-based analysis of the restrictiveness of greenbelt designations in Germany and their impact on urban spatial structure and land use.

Library Resource
Artículos de revistas y libros
Diciembre, 2016
Nepal

Protected areas, a corestone of biodiversity conservation, provide a vast array of ecosystem services to support livelihoods of people. However, protected areas, especially freshwater, are under threat with overexploitation of resources changing the land covers and degrading their capacity to supply services. Information on land cover changes and its implications on ecosystems, its services and people, especially in developing countries at a local scale, is largely absent.

Library Resource
Artículos de revistas y libros
Diciembre, 2016
México

Relationships between seasonal climate, land cover and surface energy exchange in tropical montane cloud forest environments are poorly understood. The goal of this study was to investigate the seasonality of flux partitioning in lower montane cloud forest (LMCF), shaded coffee (CO) and sugarcane (SU) in central Veracruz, Mexico, as well as to evaluate the changes in surface energy exchange associated with the conversion of LMCF to CO or SU.

Library Resource
Artículos de revistas y libros
Diciembre, 2016

We develop a model to investigate how trees can invade the grass stratum in humid savannas despite repeated fires. In the literature, it is clear that fire reduces tree canopy in savannas. However, fire alone may not be sufficient to prevent tree invasion because there are ecological mechanisms that hamper fire spread by undermining the continuity and density of the grass stratum, which is the means of fire propagation in savannas.

Library Resource
Artículos de revistas y libros
Diciembre, 2016
Suriname

Large-scale development projects often overlap forest areas that support the livelihoods of indigenous peoples, threatening in situ conservation strategies for the protection of biological and cultural diversity. To address this problem, there is a need to integrate spatially-explicit information on ecosystem services into conservation planning. We present an approach for identifying conservation areas necessary to safeguard the provision of important ecosystem services for indigenous communities.

Library Resource
Artículos de revistas y libros
Diciembre, 2016

In this article, we reassess the role of marketing boards and similar arrangements that have played an important role in numerous agro‐food sectors of developed countries over almost a century. Referring to transaction cost economics and to more recent contributions on the allocation of decision and property rights, we interpret these arrangements as hybrid modes of governance. We hypothesize that uncertainty is the leading force pushing toward these organizational solutions and we explore forms of uncertainty at stake and their impact in shaping various types of hybrids.

Library Resource
Artículos de revistas y libros
Diciembre, 2016
Irlanda

This study focused on identifying the short-term effects of mechanical drainage on the structure and diversity of fungal and bacterial communities in soil. Mechanical drainage is a widely used agricultural practice which allows for the management of surface and sub-surface water. It is vital for improving land productivity and reclaiming marginal land. The use of mechanical drainage is known to have several impacts on the physico-chemical components of soil; however, little is known about its effect on the soil microbiome.

Library Resource
Artículos de revistas y libros
Diciembre, 2016

Land-use/land-cover (LU/LC) change is one of the main drivers of global biodiversity change. However, the lack of detailed data on species’ local distributions is frequently a major constraint to identify effective indicators of impact and to prescribe effective conservation and management measures. Here we aim to describe and demonstrate the applicability of a novel looping approach to predict spatially dynamic ecological responses to LU/LC changes.

Library Resource
Artículos de revistas y libros
Diciembre, 2016

The diurnal land surface temperature (LST) variation is a primary characteristic of the effects of urbanization. However, no study to date has focused on changes in diurnal LST variation in urban environments. This paper investigates the effects of urbanization on landscape pattern and diurnal LST variation of Taipei City, using MODIS thermal images and SPOT multispectral remote sensing images over the 1994–2010 period. Supervised land-cover classifications were conducted to investigate decadal land-cover changes within the study area.

Library Resource
Artículos de revistas y libros
Diciembre, 2016
Nueva Zelandia

In Aotearoa New Zealand Māori land is often owned by communities and managed by trusts. Under communal ownership, trust managers are expected to provide for their communities in culturally responsive ways, using alternative land-related paradigms. In the context of Māori trust rural land management, geographic information systems (GIS) are seen as a beneficial resource to plan and support important decisions that have community-wide implications.

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