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Un árbol de decisión para regenerar los bosques de Salicaceae del hemisferio norte

Abstract : Human activities on floodplains have severely disrupted the regeneration of foundation species of the Salicaceae family - cottonwoods/poplars (Populus spp.) and willows (Salix spp.), which play a critical role throughout the Northern Hemisphere. Restoration ecologists initially tackled this problem from a terrestrial perspective that emphasized planting. More recently, floodplain restoration activities have embraced an aquatic perspective, inspired by the expanding practice of managing river flows to improve river health (environmental flows). However, as riparian Salicaceae species occupy floodplain and riparian areas, which lie at the interface of both terrestrial and aquàtic ecosystems, their regeneration depends on a complex interaction of hydrologic and geomorphic processes that have shaped key life-cycle biophysical requirements for seedling establishment. Ultimately, restoration needs to integrate these concepts to succeed. While regeneration of Salicaceae is now reasonably well-understood, the literature reporting restoration actions on Salicaceae regeneration is sparse, and a specific theoretical framework is still missing. Here, we summarize the results of a recently published paper where 105 peer-reviewed published experiences in restoration of Salicaceae forests were reviewed, including 91 projects in 10 world regions, to construct a decision tree to inform restoration planning. This decision tree explicitly links the well-studied biophysical requirements of Salicaceae regeneration, such as seed production and dispersal, seedling survival and early growth, with 17 specific restoration actions, the most popular being planting (in 55% of the projects), land contouring (30%), removal of competint vegetation (30%), site selection (26%), and irrigation (24%).
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https://hal.archives-ouvertes.fr/hal-03168433
Contributor : Virginia Garófano Gómez <>
Submitted on : Friday, March 19, 2021 - 4:51:23 PM
Last modification on : Tuesday, March 23, 2021 - 3:22:43 AM

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Eduardo González, Vanesa Martínez-Fernández, Patrick Shafroth, Anna Sher, Annie Henry, et al.. Un árbol de decisión para regenerar los bosques de Salicaceae del hemisferio norte. III Congreso Ibérico de Restauración Fluvial, Jun 2019, Murcia, España. pp.152-159. ⟨hal-03168433⟩

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