Setting the scene for dryland recovery: an overview and key findings from a workshop targeting seed-based restoration
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© 2016 Society for Ecological Restoration. With nearly a quarter of global dryland systems considered to be degraded, the level and scale of degradation often exceed the thresholds for autogenic recovery, requiring human intervention to ensure that ecosystem biodiversity, structure, and function can be improved. A “Think Tank” workshop focusing on advancing the ecological approaches to large-scale restoration in degraded environments was held at Kings Park and Botanic Garden, Western Australia. Acknowledging that adaptive and broadly multidisciplinary strategies are paramount to achieving restoration in a repeatable and cost-effective manner, the workshop served as a forum to bring together plant scientists, ecologists, engineers, and environmental managers involved in dryland restoration from around the globe. This introductory paper to this special issue summarizes important contemporary challenges facing dryland restoration worldwide, offers a synthesis of the fundamental workshop themes, and provides a contextual overview for the series of invited papers in this issue, comprising reviews and case studies in seed and restoration technologies.
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James, J.; Sheley, R.; Erickson, T.; Rollins, K.; Taylor, M.; Dixon, Kingsley (2013)Drylands support over 2 billion people and are major providers of critical ecosystem goods and services across the globe. Drylands, however, are one of the most susceptible biomes to degradation. International programmes ...
Edaphic constraints on seed germination and emergence of three Acacia species for dryland restoration in Saudi ArabiaMayence, C.; Stevens, J.; Courtney, P.; Dixon, Kingsley (2017)In situ edaphic factors affecting seed germination and seedling emergence of three framework species of Acacia were investigated with the intent of developing fundamental and scalable restoration capacity for Arabian ...
Do Abrasion- or Temperature-Based Techniques More Effectively Relieve Physical Dormancy in Seeds of Cold Desert Perennials?Kildisheva, O.; Erickson, T.; Merritt, David; Madsen, M.; Dixon, Kingsley; Vargas, J.; Amarteifio, R.; Kramer, A. (2018)© 2018 Elsevier Inc. Seed dormancy can present a significant barrier to restoration outcomes in dryland systems. Physical and combinational (physical + physiological) dormancy are prevalent among seeds of many herbaceous ...