Colombia

Social Investment and Smallholder Coca Cultivation in Colombia

Colombia is the largest supplier of coca leaf in the world, and fields smaller than one-hectare account for more than 60 per cent of cultivation. Despite the obvious relevance of smallholding growers to the strategies to control illicit crops, there …

Fires in protected areas reveal unforseen costs of Colombian peace

Armed conflict, and its end, can have powerful effects on natural resources, but the influence of war and peace on highly biodiverse tropical forests remains disputed. We found a sixfold increase in fires in protected areas across biodiversity …

The Ghosts of Development Past: Deforestation and Coca in Western Amazonia

For decades coca cultivation has been proposed as a cause of deforestation and attractor of migration to the forest frontier of western Amazonia. Evaluating the effects of coca cultivation has become a priority because averting deforestation has …

The Origins of Cocaine: Colonization and Failed Development in the Amazon Andes

Opposition Support and the Experience of Violence Explain the Colombian Peace Referendum

What factors led to the surprise defeat of the Colombian peace referendum? Descriptive analyses suggested a link between support for peace and the experience of violence, but economic conditions and political support for incumbent parties also affect …

Identifying municipal risk factors for leftist guerrilla violence in Colombia

This study examines determinants of leftist violence at the municipal level in Colombia from 2000 through 2010. A multilevel GLMM model with a negative binomial distribution is used to take advantage of the information available at the municipal and …

Spatial autocorrelation reduces model precision and predictive power in deforestation analyses

Generalized linear models are often used to identify covariates of landscape processes and to model land‐use change. Generalized linear models however, overlook the spatial component of land‐use data, and its effects on statistical inference. Spatial …

The world drug problem and sustainable development

Illicit crop cultivation often occurs in forested areas and contributes to deforestation when it results in the clearing of woodland. Moreover, illicit crop cultivation frequently takes place in biodiversity hotspots hosting a large number of species …

Demand for beef is unrelated to pasture expansion in northwestern Amazonia

For decades, pastures have replaced Amazon forests, threatening biodiversity. Two dominant hypotheses explain this process. First, according to the hamburger connection beef markets promote conversion of forests into cattle ranches resulting in …

Forests and Drugs: Coca-Driven Deforestation in Tropical Biodiversity Hotspots

Identifying drivers of deforestation in tropical biodiversity hotspots is critical to assess threats to particular ecosystems and species and proactively plan for conservation. We analyzed land cover change between 2002 and 2007 in the northern …