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Displaying 1321 - 1325 of 1605Exploring land use changes and the role of palm oil production in Indonesia and Malaysia
This study compiles and analyses national-level data on land use change (LUC) and its causes in Indonesia and Malaysia over the past 30 years. The study also explores the role that palm oil has played in past LUC and that projected growth in palm oil production may play in LUC until 2020 and suggests strategies to minimize negative effects. Data collection for the study revealed that the quality and quantity of data on LUC on a national scale over time are low.
Fragmentation in the Legal Amazon, Brazil: Can landscape metrics indicate agricultural policy differences?
Large-scale land conversion for agriculture in Brazilian Amazonia is occurring at persistently high rates. Basin-wide net land use and land cover changes imply substantially different situations between distinct regions and states due to different agricultural policies. This research used eight landscape metrics to quantify and investigate the spatial patterns of cattle pasture and cropland throughout the states of Pará, Mato Grosso, Rondônia, and Amazonas.
impact of a growing bioethanol industry on food production in Brazil
The Brazilian production of major food commodities increased fivefold between 1961 and 2008. In the same time, the area cropped with sugar cane increased with high growth rates, currently covering 3% of the area dedicated to agricultural production in Brazil. In order to assess a possible competition between biofuel and food production, the development of agricultural productivity and area expansion in the past was analysed. Furthermore, the future situation of land resources for agricultural production was illustrated.
Dynamic land use and land cover changes and their effect on forest resources in a coastal village of Matemwe, Zanzibar, Tanzania
Recent land cover change estimates show overall decline of tropical forests at the regional and global scales caused by multiple social, cultural and economic factors. There is an overall concern on the prevailing land use practices, such as shifting cultivation and extraction of forest materials as agents of forests losses, but also new, emerging land uses are threatening tropical forests. Understanding of the long-term development and driving forces of forest changes are needed, especially at local levels where many decisions on forest policies and land uses are made.
Local residents’ perceptions of energy landscape: the case of transmission lines
Although the transmission line network is relatively comprehensive in many countries, there are new needs to develop the networks due to the increased consumption of energy and new decentralized energy sources. However, compared with other large-scale infrastructure in the landscape, there has been relatively little research on the perceptions of transmission lines. Consequently, the aim of this study was to analyse how transmission lines are perceived in comparison with other landscape elements and how the perceptions of existing transmission lines differ from those concerning new lines.