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Displaying 1165 - 1176 of 2151

Analysis of the spatio-temporal and semantic aspects of land-cover/use change dynamics 1991-2001 in Albania at national and district levels

Journal Articles & Books
December, 2006
Albania

In the turmoil of a rapidly changing economy the Albanian government needs accurate and timely information for management of their natural resources and formulation of land-use policies. The transformation of the forestry sector has required major changes in the legal, regulatory and management framework.

Water Scarcity in the Andes: A Comparison of Local Perceptions and Observed Climate, Land Use and Socioeconomic Changes

Journal Articles & Books
December, 2013
Colombia
South America

In the Andean region of South America, understanding communities’ water perceptions is particularly important for water management as many rural communities must decide by themselves if and how they will protect their micro-watersheds and distribute their water. In this study we examine how Water User Associations in the Eastern Andes of Colombia perceive water scarcity and the relationship between this perception and observed climate, land use, and demographic changes. Results demonstrate a complex relationship between perceptions and observed changes.

Deforestation and the Environmental Kuznets Curve in Iran

Journal Articles & Books
December, 2014
Iran

Property rights, the agricultural price index, forest area, population, income and timber price are important factors in the deforestation process. The aim of this study was to test the impact of these factors on deforestation in Iran using an environmental Kuznets curve (EKC). The autoregressive distributed lag approach was also used to estimate the deforestation function. The existence of an inverted U-shaped EKC for deforestation in Iran was confirmed.

Changing Landscapes for Forest Commons: Linking Land Tenure with Forest Cover Change Following Mexico’s 1992 Agrarian Counter-Reforms

Journal Articles & Books
December, 2013
Mexico

Mexico’s 1992 agrarian counter-reforms opened up the country’s vast network of common property regimes, known as ejidos, to the possibility of privatization. This study investigates the relationship between dynamic common property regimes and deforestation in the wake of policy reform among eight ejidos in southeastern Mexico. Using institutional analyses, land use/land cover change (LULCC) analyses and a Forest Dependency Index, we examine how land tenure arrangements relate to land use and forest cover change patterns.

Land-use/land cover changes and their driving forces around wetlands in Shangri-La County, Yunnan Province, China

Journal Articles & Books
December, 2015
China

The Shangri-La County of the Yunnan Province, SW China, is an economically and ecologically important area. This is especially true for Jiantang that is famous for the Napahai, Bitahai and Shudu Lake wetlands. However, continuing development has threatened the wetland ecosystems and the associated biodiversity in these areas. To better document such changes in land use and their effect on the ecosystem, land use was mapped using a time series of satellite images acquired in 1974, 1993, 2000 and 2012. The results of this survey suggest that forest cover first decreased and then increased.

Genetic data suggest a natural prehuman origin of open habitats in northern Madagascar and question the deforestation narrative in this region

Journal Articles & Books
December, 2012
Madagascar

The impact of climate change and anthropogenic deforestation on biodiversity is of growing concern worldwide. Disentangling how past anthropogenic and natural factors contributed to current biome distribution is thus a crucial issue to understand their complex interactions on wider time scales and to improve predictions and conservation strategies. This is particularly important in biodiversity hotspots, such as Madagascar, dominated by large open habitats whose origins are increasingly debated.

22 year assessment of deforestation and restoration in riparian forests in the eastern Brazilian Amazon

Journal Articles & Books
December, 2015

Brazilian environmental law imposes more restrictions on land-use change by private landowners in riparian forests than in non-riparian forest areas, reflecting recognition of their importance for the conservation of biodiversity and key ecosystem services. A 22-year time series of classified Landsat images was used to evaluate deforestation and forest regeneration in riparian permanent preservation areas over the past two decades, focusing on the municipality of Paragominas in the state of Pará in eastern Amazonia.

Land use change and carbon fluxes in East Africa quantified using earth observation data and field measurements

Journal Articles & Books
December, 2013
Tanzania
Malawi
Eastern Africa

Carbon-based forest conservation requires the establishment of ‘reference emission levels’ against which to measure a country or region's progress in reducing their carbon emissions. In East Africa, landscape-scale estimates of carbon fluxes are uncertain and factors such as deforestation poorly resolved due to a lack of data. In this study, trends in vegetation cover and carbon for East Africa were quantified using moderate-resolution imaging spectroradiometer (MODIS) land cover grids from 2002 to 2008 (500-m spatial resolution), in combination with a regional carbon look-up table.

What Future For Reform?

Reports & Research
February, 2014
Global

Who owns the world’s forests, and who decides on their governance? The answers to these questions are still deeply contested. To many Indigenous Peoples and local communities who have lived in and around forests for generations, the forests belong to them, under locally defined systems of customary tenure. In most countries, however, governments have claimed ownership of much of the forest estate through historical processes of expropriation, and those claims have been formalized in statutory laws.

Addressing the impact of large-scale oil palm plantations on orangutan conservation in Borneo: A spatial, legal and political economy analysis

Journal Articles & Books
June, 2017
Global

Palm oil is one of the most controversial yet ubiquitous agricultural commodities in the world, used in everyday products ranging from cooking oil and chocolate to toothpaste and soap. Over the past few decades, the palm oil industry has contributed significantly to the economic development of Indonesia and Malaysia, which together produce an estimated 85 to 90 per cent of global supply.

ProSavana: discursos, práticas e realidades

Reports & Research
July, 2015
Mozambique

No mundo e em África, o agronegócio internacional assume novas dimensões nos últimos anos. A procura de extensas áreas no estrangeiro para a produção em grandes plantações de commodities, associada à crescente internacionalização do capital agrário e financeiro em programas bi ou multilaterais é uma das manifestações desse fenómeno.