Panarchy illustrates the dynamic nature of social-ecological systems and their nestedness and interconnectedness through time and space. Although there have been great advances in ecosystem service (ES) research, it has only rarely integrated dynamic interaction of components in social-ecological systems (SES). We explore how Panarchy theory, and especially its detailed reflections on change and system dynamics, could help ES research to better capture the dynamics of change into its fundamental assumptions. We do this by outlining four main conclusions of Panarchy theory: multiple states, the adaptive cycle, variances of the adaptive cycle, and change and persistence for sustainability. We illustrate how these aspects can be incorporated in ES research and conclude with recommendations for the field.
1. Mitigating climate change is an urgent challenge for society. Increasing carbon storage in forests, which cover more than 30% of the global land surface, presents a key opportunity to meet this challenge. Although the biophysical and ecological factors that affect carbon storage have been well studied, the relative importance of social factors in privately owned forests, such as people's goals and management actions, is less well understood.2. We examine how well typical biophysical and ecological variables can explain differences in above-ground carbon storage across 1,561 plots in temperate forests of southern Quebec, Canada. We then identify bright spots and dark spots of above-ground carbon storage, where forests are performing much better or worse than predicted based on biophysical and ecological conditions alone. We conducted surveys with forest owners to assess whether their individual goals, values and management actions explain the differences in carbon storage between bright and dark spots.3. Biophysical and ecological variables collectively explained a substantial fraction of the variation in carbon storage between forest plots (R 2 = 0.42). The ecological variables of stand age, species richness and functional diversity within the plots were the most important variables in explaining carbon storage.4. Surveys showed that bright spots (plots that stored more carbon than predicted) were often managed by forest owners who expressed a strong connection to, or dependence on, their forested property. Dark spots were often associated with forest harvesting and hunting.
Synthesis and applications.Ecologically based policies that aim to increase the average forest age, species richness and functional diversity-and socially based policies that incentivise long-term forest ownership, stronger connections between people and their properties, and maple syrup production-could help increase carbon storage over multidecadal time-scales and thereby reduce the harmful effects of climate change.
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