Poor mental health is a leading contributor to the global burden of disease but there is poor understanding of how it is influenced by people's interactions with ecological systems. In a theory-generating case study we asked how interactions with ecosystems were perceived to influence stressors associated with psychological distress in a rural setting in Uganda. We conducted and thematically analysed 45 semi-structured interviews with residents of Nyabyeya Parish. Poverty and food insecurity were the primary reported causes of ‘thinking too much’ and related idioms suggesting psychological distress. Households bordering a conservation area reported that crop losses from wildlife contributed to food insecurity. However, forest resources represented important safety nets for those facing poverty and food insecurity. Commercial agricultural expansion also emerged as a salient theme in the lives of residents, reportedly exacerbating poverty and food insecurity amongst poorer households but contributing incomes to wealthier ones. Our exploratory study suggests how two globally prevalent land uses, nature conservation and commercial agriculture, may influence social determinants of psychological distress in the study area. We highlight co-benefits and trade-offs between global sustainability goals that could be managed to improve mental health.

While some authors defend the existence of a widespread economic crisis in Brazil during the 18th century, motivated by the fall in the extraction of precious metals, others suggest that the colonial economy maintained a positive performance thanks to the growth of its domestic market. The main goal of this article is to challenge these two explanations, showing that different rhythms of development characterised Brazil's economy in each of its regions. We show that between the 1750s and 1790s, the Amazon region (Maranhão and Pará) experienced uninterrupted growth. Despite some fluctuations, Bahia and Pernambuco showed a tendency towards growth while the centre-south (Rio de Janeiro and Minas Gerais) suffered an economic contraction. We conclude that there was a stagnation in the added value of exports from all regions, whilst simultaneous growth for all territories occurred only after 1790.

The emergence of medium-scale farms is having important consequences for agricultural commercialisation across Africa. This article examines the role of medium-scale A2 farms allocated following Zimbabwe's land reform after 2000. While the existing literature focuses on changing farm size distributions, this article investigates processes of social differentiation across medium-scale farms, based on qualitative-quantitative studies in two contrasting sites (Mvurwi and Masvingo-Gutu). Diverse processes of accumulation are identified across commercial, aspiring and struggling farmers, and linked to contrasting patterns of agricultural production and sale, asset ownership, employment and finance. The ability to mobilise finance, influenced by the state of the macro-economy, as well as forms of political patronage, is identified as a crucial driver. Contrary to assertions that A2 farms are largely occupied by ‘cronies’ and that they are unproductive and under-utilised, a more differentiated picture emerges, with important implications for policy and the wider politics of Zimbabwe's countryside following land reform.

By the late 1820s, Puerto Rico and Cuba had become Spain's only remaining colonies in the Americas and its major source of colonial returns. A decade later, however, the slave-based plantation system in Puerto Rico was beginning to show signs of stagnation due to the convergence of a number of domestic and international forces. In the late 1840s the Iberian colonial bureaucracy initiated a series of proposals to stimulate Puerto Rico's transformation into an agriculturally modern, diversified, free-labour economy. This initiative failed due to an adverse economic environment, administrative confusion and rivalries, and the failure of officials on the island to enlist the support either of local planters or those at the lower levels of society. This paper explores the reasons for this failure in detail.