In collaboration with the University of Riau, the Center for International Forestry Research (CIFOR) has established permanent plots in Tanjung Leban village, Bengkalis regency, Riau province. The site, which is owned by the local community, is about 50 km east of the city of Dumai and easily accessed by car.
Agricultural landscapes presently cover about 46 % of earth terrestrial surface. This cultivated area is decreasing, whereas the global food demand is projected to increase up to 70 % in 2050. The intensification of agriculture is not a solution to this food issue because intensive agriculture has often resulted in pollution and loss of biodiversity. On the other hand, mechanistic models with optimization algorithms can be used to design alternative land uses for sustainable agriculture.
Desertification in arid and semiarid areas of Northwest China is a major current environmental issue for the country, caused by the interaction of a naturally dry climate, recurrent periods of prolonged droughts, anthropogenic factors over long periods of time, and specific topographic and geographic conditions. Among the anthropogenic factors are poor land management, inadequate farming techniques and over-cultivation, overgrazing and the removal of natural vegetation; misuse of water resources; and poor environmental and ecosystem management.
This book exposes the key land use and environmental problems facing Kenya today due to lack of an appropriate national land use policy. The publication details how the air is increasingly being polluted, the water systems are diminishing in quantity and deteriorating in quality. The desertification process threatens the land and its cover. The soils are being eroded leading to siltation of the ocean and lakes. The forests are being depleted with impunity thus destroying the water catchments.
As Unidades de Conservação cobrem 22% da Amazônia Legal e são uma estratégia eficaz para conservar animais, plantas e serviços ambientais, conter o desmatamento e manter o equilíbrio climático do Planeta. Contudo, as taxas de desmatamento em UCs vêm aumentando – em 2015 já superava a de 2012 em 79% –, assim como sua participação no desmatamento total da Amazônia, que passou de 6% em 2008 para 12% em 2015.
Las instituciones de acción colectiva y los sistemas de derechos de propiedad moldean la forma en que la gente usa los recursos naturales.A su vez, estos patrones de uso afectan los resultados de los sistemas de producción agrícola de la gente. Juntos, los mecanismos de acción colectiva y los sistemas de derechos de propiedad definen los incentivos a los que la gente accede por llevar a cabo estrategias de gestión sostenible y productiva, y afectan el nivel y distribución de los beneficios de los recursos naturales.
Institutions of collective action and systems of property rights shape how people use natural resources, and these patterns of use in turn affect the outcomes of people’s agricultural production systems. Together, mechanisms of collective action and property rights define the incentives people face for undertaking sustainable and productive management strategies, and they affect the level and distribution of benefits from natural resources.
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