Este documento contiene la identificación general de la frontera agrícola en Colombia, a escala 1:100.000. En éste se presenta el marco de referencia, la definición de frontera agrícola y el proceso metodológico para su identificación. La definición e identificación de la frontera agrícola se constituye en un referente, a escala nacional para orientar la formulación de política pública y focalizar la gestión e inversiones del sector agropecuario y de desarrollo rural.

Despite strong expectations regarding the role that forestry, with its multitude of potential benefits, could and should play in the ‘bio-economy’, little research has been done on the actual perceptions of influential actors on how to best address future forest land-use disputes. We want to shed light on whether and in which contexts expectations regarding the bio-economy, e.g., the strong role of markets, are likely.

Despite strong expectations regarding the role that forestry, with its multitude of potential benefits, could and should play in the ‘bio-economy’, little research has been done on the actual perceptions of influential actors on how to best address future forest land-use disputes. We want to shed light on whether and in which contexts expectations regarding the bio-economy, e.g., the strong role of markets, are likely.

In order to protect cultivated land and balance farmers’ needs and shortage of land, the Chinese government introduced policies to rearrange land use in rural areas. However, many problems, such as unused rural construction land and illegally occupied land, have occurred through implementing land use policies. Rural construction land transformation has been promoted to solve these problems. This transformation was designed to let farmers voluntarily transforming their idle rural construction land.

Farmland protection is the most important land science research issue in developing countries, especially in China, due to serious land degradation. This paper aimed to reveal the causal chain among driving factors, farmers’ land protection perceptions, behavioral responses, and land quality change by applying a structural equation model (SEM), based on a cross-sectional dataset of 238 households surveyed, and matched plot soil sample results in the Sujiatun District, in Liaoning province, China.

This article examines the role of legal actors in mediating urban land conflicts involving informal settlements and the social and environmental functions of private property. This problem reveals the challenges of conciliating two constitutional rights—the right to adequate housing and the right to a healthy environment. Methods include an analysis of the urban policy and legal framework regulating environmental protection, housing provision, property rights, and land use law.

Currently there exists a disturbing urban problem exemplified by the excessive luxury apartments and glamorous office towers being built in cities around the world in the face of the increasing unaffordability of housing and lowcost work trade or craft space Seeking to address this complex problem this paper proposes a theoretical framework that uniquely addresses both the capitalist economic structure that drives the development process and the Marxistbased urban theory by which the socioeconomic outcomes are currently evaluated This framework takes as its metatheory the approach of Thomas

Taking plants from their original habitat and keeping them in pots is an illustrative example of manmade poweroriented and unnatural habitation Naturally a plant cannot survive in a segregated environment of a pot For this reason diverse supportive activities such as watering feeding or protecting must be planned These supplying infrastructures create a great power for the caretaker over the life of the potted plant Using the example of potted plants this article tries to shed light on the social and ecological problems of urbanization