Modeling post-Pleistocene megafauna extinctions as complex social-ecological systems
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ID: 288826
2024
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Abstract
The role of human hunting behavior versus climate change in the mass extinction of megafauna during the Late Quaternary is much debated. To move beyond monocausal arguments, we treat human–megafauna–environment relationships as social–ecological systems from a complex adaptive systems perspective, to create an agent-based model that tests how human hunting may interact with environmental stress and animal life history to affect the probability of extinction. Using the extinction of Syncerus antiquus in South Africa at 12–10 ka as a loose inspirational case study, we parameterized a set of experiments to identify cross-feedbacks among environmental dynamics, prey life history, and human hunting pressure that affect extinction probability in a non-linear way. An important anthropogenic boundary condition emerges when hunting strategies interrupt prey animal breeding cycles. This effect is amplified in patchy, highly seasonal environments to increase the chances of extinction. This modeling approach to human behavior and biodiversity loss helps us understand how these types of cross-feedback effects and boundary conditions emerge as system components interact and change. We argue that this approach can help translate archaeological data and insight about past extinction for use in understanding and combating the current mass extinction crisis.
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persistent_1761421829_68fd2a054f816
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| Authors | Isaac I. Ullah |
| Journal | ADVANCES IN ARCHAEOLOGICAL PRACTICE |
| Year | 2024 |
| DOI |
10.1017/qua.2024.6
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| URL | |
| Keywords | Keywords not found |
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