论文标题

社会生态反馈推动农业系统多元化的临界点

Social-ecological feedbacks drive tipping points in farming system diversification

论文作者

Chapman, Melissa, Wiltshire, Serge, Baur, Patrick, Bowles, Timothy, Carlisle, Liz, Castillo, Federico, Esquivel, Kenzo, Gennet, Sasha, Iles, Alastair, Karp, Daniel, Kremen, Claire, Liebert, Jeffrey, Olimpi, Elissa M., Ory, Joanna, Ryan, Matthew, Sciligo, Amber, Thompson, Jennifer, Waterhouse, Hannah, Boettiger, Carl

论文摘要

临界点的出现和影响引起了社会和自然科学的重大兴趣。尽管人们对人与自然系统之间反馈的重要性广泛认识,但通常假定这些耦合系统中观察到的非线性动力学仍在基本的人类或自然过程中,而不是它们相互作用的速率。使用采用农业多元化实践作为案例研究,我们展示了两个稳定的管理范式(一种以常规,同质实践为主导,另一种由多元化实践主导),才能源于人类决策和生态反应之间的时间反馈。我们探讨了这种临界点的时间机制如何为设计更有效的干预措施提供洞察力,从而促进农民向可持续农业过渡。此外,我们的灵活建模框架可以应用于其他情况,以洞悉社会生态系统研究和环境政策中的许多问题。

The emergence and impact of tipping points have garnered significant interest in both the social and natural sciences. Despite widespread recognition of the importance of feedbacks between human and natural systems, it is often assumed that the observed nonlinear dynamics in these coupled systems rests within either underlying human or natural processes, rather than the rates at which they interact. Using adoption of agricultural diversification practices as a case study, we show how two stable management paradigms (one dominated by conventional, homogeneous practices, the other by diversified practices) can emerge purely from temporal feedbacks between human decisions and ecological responses. We explore how this temporal mechanism of tipping points provides insight into designing more effective interventions that promote farmers transitions towards sustainable agriculture. Moreover, our flexible modeling framework could be applied to other cases to provide insight into numerous questions in social-ecological systems research and environmental policy.

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