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Land use is central to addressing sustainability issues, including biodiversity conservation, climate change, food security, poverty alleviation, and sustainable energy. In this paper, we synthesize knowledge accumulated in land system science, the integrated study of terrestrial social-ecological systems, into 10 hard truths that have strong, general, empirical support. These facts help to explain the challenges of achieving sustainability in land use and thus also point toward solutions. The 10 facts are as follows: 1) Meanings and values of land are socially constructed and contested; 2) land systems exhibit complex behaviors with abrupt, hard-to-predict changes; 3) irreversible changes and path dependence are common features of land systems; 4) some land uses have a small footprint but very large impacts; 5) drivers and impacts of land-use change are globally interconnected and spill over to distant locations; 6) humanity lives on a used planet where all land provides benefits to societies; 7) land-use change usually entails trade-offs between different benefits-"win-wins" are thus rare; 8) land tenure and land-use claims are often unclear, overlapping, and contested; 9) the benefits and burdens from land are unequally distributed; and 10) land users have multiple, sometimes conflicting, ideas of what social and environmental justice entails. The facts have implications for governance, but do not provide fixed answers. Instead they constitute a set of core principles which can guide scientists, policy makers, and practitioners toward meeting sustainability challenges in land use.
Assuntos
Agricultura , Conservação dos Recursos Naturais/métodos , Ecossistema , Humanos , Energia Renovável , Mudança SocialRESUMO
Ecosystems around the globe are enduring wildfires with greater frequency, intensity, and severity and this trend is projected to continue as a result of climate change. Climate-smart agriculture (CSA) has been proposed as a strategy to prevent wildfires and mitigate climate change impacts; however, it remains poorly understood as a strategy to prevent wildfires. Therefore, the authors propose a multimethod approach that combines mapping of wildfire susceptibility and social surveys to identify priority areas, main factors influencing the adoption of CSA practices, barriers to their implementation, and the best CSA practices that can be implemented to mitigate wildfires in Belize's Maya Golden Landscape (MGL). Farmers ranked slash and mulch, crop diversification, and agroforestry as the main CSA practices that can be implemented to address wildfires caused by agriculture in the MGL. In order to reduce wildfire risk, these practices should, be implemented in agricultural areas near wildlands with high wildfire susceptibility and during the fire season (February-May), in the case of slash and mulch. However, socio-demographic and economic characteristics, together with a lack of training and extension services support, inadequate consultation by agencies, and limited financial resources, hinder the broader adoption of CSA practices in the MGL. Our research produced actionable and valuable information that can be used to design policies and programs to mitigate the impacts of climate change and wildfire risk in the MGL. This approach can also be used in other regions where wildfires are caused by agricultural practices to identify priority areas, barriers and suitable CSA practices that can be implemented to mitigate wildfires.
Assuntos
Incêndios , Incêndios Florestais , Humanos , Ecossistema , Fazendeiros , Belize , Agricultura , Mudança ClimáticaRESUMO
Despite the popularity of integrated conservation and development approaches to protected area management, adjacent communities increasingly face livelihood dilemmas. Yet understanding of how market processes and conservation enforcement interact to influence livelihood responses remains limited. Targeting eight villages in Nam Et-Phou Louey (NEPL) National Park in northern Lao PDR, we draw on survey data with 255 households, 93 semi-structured interviews, and meso-level data on village conditions to examine how residents navigate associated livelihood dilemmas. A cluster analysis reveals five livelihood types with divergent capacities to engage in market development and cope with enforcement pressures. We show how market linkages, historical conservation interventions, and local access conditions shape livelihoods and differences between villages. Our approach yields a nuanced picture of how global conservation efforts result in an uneven distribution of costs and benefits at local scales. Conservation measures must account for highly divergent capacities to cope with access loss and diversify livelihoods. SUPPLEMENTARY INFORMATION: The online version contains supplementary material available at 10.1007/s10745-021-00267-4.
RESUMO
The literature on barriers to climate change adaptation has largely focused on non-climatic barriers and has provided less insight into climate-induced barriers. Responding to this lacuna, this paper examines the connections between climate change and agricultural adaptation strategies of smallholder farmers in northern Ghana. Results from the qualitative fieldwork show that climatic changes have been accompanied by increases in climate change extremes (CCEs) over the last three decades. In order to adapt, smallholder farmers use improved crop varieties and other support strategies. Paradoxically, however, CCEs have undermined these strategies in several instances, causing crop yields to fall short of their actual potential and leading to financial indebtedness. Therefore, the results showcase that overcoming non-climatic barriers to the uptake of agricultural adaptation strategies is a necessary but insufficient condition for achieving successful adaptation outcomes. This is the case since new barriers to the adaptation process are constantly emerging, and CCEs are an example of this.