Forest Landscape Restoration in Context

Dudley, Nigel; Mansourian, Stéphanie; Vallauri, Daniel

doi:10.1007/0-387-29112-1_1

Cited by 28 publications

(28 citation statements)

References 2 publications

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“…Furthermore, in this approach key ecological functions that operate at a landscape scale, and multiple objectives can be addressed (Lamb 2005;Sabogal et al 2015). In this regard, the forest landscape restoration concept which is defined as "a planned process that aims to regain ecological integrity and enhance human wellbeing in deforested or degraded landscapes" (Dudley et al 2005) can be applied as the overarching framework in the rehabilitation of degraded dry forests. The application of forest landscape restoration has to incorporate other commonly found land uses in dry forest landscapes, such as livestock husbandry, small scale farming, agroforestry, etc.…”

Section: Rehabilitation Of Degraded Dry Forest Landscapesmentioning

confidence: 99%

“…Thus, a landscape-level approach, which is an integrated and multidisciplinary approach, would be a promising tool to address the various and often contradictory environmental and societal needs. Addressing dryland rehabilitation at the landscape-level takes into considerations the biophysical and socioeconomic linkages and trade-offs existing between the different land uses and provides a comprehensive and long-lasting measures to reverse land degradation (Dudley et al 2005;Lamb et al 2005;Lamb 2014). With respect to dry forest restoration, the forest landscape restoration approach, which operates at a landscapelevel, can be used as the overarching framework.…”

Section: Conclusion and Recommendationsmentioning

confidence: 99%

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Rehabilitation of degraded dryland ecosystems – review

Yirdaw¹,

Tigabu²,

Monge³

2017

Silva Fenn.

114

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Highlights• The prospect of restoring degraded drylands is technically promising.• The forest landscape restoration concept can be used as the overarching rehabilitation framework.• Development of process-based models that forecast rehabilitation outcomes is needed.• Rehabilitation methodologies developed for moist areas are not necessarily suitable for drylands.• More data is needed on cost-benefit analysis of rehabilitation interventions. AbstractLand degradation is widespread and a serious threat affecting the livelihoods of 1.5 billion people worldwide of which one sixth or 250 million people reside in drylands. Globally, it is estimated that 10-20% of drylands are already degraded and about 12 million ha are degraded each year. Driven by unsustainable land use practices, adverse climatic conditions and population increase, land degradation has led to decline in provision of ecosystem services, food insecurity, social and political instability and reduction in the ecosystem's resilience to natural climate variability. Several global initiatives have been launched to combat land degradation, including rehabilitation of degraded drylands. This review aimed at collating the current state-of-knowledge about rehabilitation of degraded drylands. It was found that the prospect of restoring degraded drylands is technically promising using a suite of passive (e.g. area exclosure, assisted natural regeneration, rotational grazing) and active (e.g. mixed-species planting, framework species, maximum diversity, and use of nurse tree) rehabilitation measures. Advances in soil reclamation using biological, chemical and physical measures have been made. Despite technical advances, the scale of rehabilitation intervention is small and lacks holistic approach. Development of processbased models that forecast outcomes of the various rehabilitation activities will be useful tools for researchers and practitioners. The concept of forest landscape restoration approach, which operates at landscape-level, could also be adopted as the overarching framework for rehabilitation of degraded dryland ecosystems. The review identified a data gap in cost-benefit analysis of rehabilitation interventions. However, the cost of rehabilitation and sustainable management of drylands is opined to be lower than the losses that accrue from inaction, depending on the degree of degradation. Thus, local communities' participation, incorporation of traditional ecological knowledge, clear division of tasks and benefits, strengthening local institutions are crucial not only for cost-sharing, but also for the long-term success of rehabilitation activities.

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Section: Rehabilitation Of Degraded Dry Forest Landscapesmentioning

confidence: 99%

Section: Conclusion and Recommendationsmentioning

confidence: 99%

Rehabilitation of degraded dryland ecosystems – review

Yirdaw¹,

Tigabu²,

Monge³

2017

Silva Fenn.

114

View full text Add to dashboard Cite

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“…Various authors have suggested forest plantations, direct seeding, and natural succession as strategies to increase tree cover and ecoservice provision (Lamb et al 2005;Chazdon 2008;Rey Benayas et al 2009;Hall et al 2011). However, government sponsored schemes have achieved limited or mixed success (Dewees 1995;Nibbering 1999;Dudley et al 2005;van't Veld et al 2006;Wuethrich 2008;Le et al 2012), while private tree planting initiatives are constrained by insufficient access to resources such as labor, land, and finance (Arnold et al 2006;Gebreegziabher and van Kooten 2013). One novel solution may be the use of isolated trees as the foci of vegetation restoration, taking advantage of the natural process of seed dispersal (Toh et al 2002;Manning et al 2006).…”

Section: Introductionmentioning

confidence: 99%

Isolated Ficus trees deliver dual conservation and development benefits in a rural landscape

Cottee-Jones

Bajpai

Chaudhary

et al. 2015

Ambio

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Many of the world's rural populations are dependent on the local provision of economically and medicinally important plant resources. However, increasing land-use intensity is depleting these resources, reducing human welfare, and thereby constraining development. Here we investigate a low cost strategy to manage the availability of valuable plant resources, facilitated by the use of isolated Ficus trees as restoration nuclei. We surveyed the plants growing under 207 isolated trees in Assam, India, and categorized them according to their local human-uses. We found that Ficus trees were associated with double the density of important high-grade timber, firewood, human food, livestock fodder, and medicinal plants compared to non-Ficus trees. Management practices were also important in determining the density of valuable plants, with grazing pressure and land-use intensity significantly affecting densities in most categories. Community management practices that conserve isolated Ficus trees, and restrict livestock grazing and high-intensity land-use in their vicinity, can promote plant growth and the provision of important local resources.

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“…This concept emphasizes landscape heterogeneity and structural complexity in order to maintain biodiversity and ecosystem services in restoration projects (Dudley et al 2005, Newton et al 2012, Stanturf et al 2014. Fragmented landscapes should be considered as a network of interacting and heterogeneous patches; thus, global dynamics and properties cannot be inferred from the investigation of individual behaviors and characteristics of the patches.…”

Section: Ommunicationsmentioning

confidence: 99%

A conceptual framework to describe the ecology of fragmented landscapes and implications for conservation and management

Castillo

2015

Ecological Applications

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Abstract. The study of the ecology of fragmented landscapes has been dominated by two assumptions: the unique unidirectional path from larger to smaller fragments and the negligible role of fragment species on fragment properties. An accurate conceptualization of fragmented landscapes requires consideration of the age and origin of the fragments, i.e., direct fragmentation or reverse fragmentation (generation or increase of vegetated fragments by colonization), and the habitat modifications of fragment species (autogenic processes). Colonization and autogenic processes alter the fragments' composition and function. Fragment metrics affect colonization. Autogenic processes are antagonized by disturbances and modulated by abiotic inputs. Fragment alterations by autogenic processes may explain the continuous species substitution detected in some fragments or the species persistence in others. Reverse fragmentation, a natural process in commonly disturbed landscapes, challenges the avoidance-of-habitat disturbance as the ultimate strategy for biodiversity conservation and stresses the importance of pioneer species that promote succession as resilience elements in fragmented landscapes. Among-fragment diversity, generated by local disturbances, can be essential for the resilience of fragmented landscapes, suggesting that conservation and habitat utilization can be complementary processes. Traditional agroforestry systems that depend on disturbance, fragmentation, colonization, and autogenic processes may provide important insights into fragmentation ecology.

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Forest Landscape Restoration in Context

Cited by 28 publications

References 2 publications

Rehabilitation of degraded dryland ecosystems – review

Rehabilitation of degraded dryland ecosystems – review

Isolated Ficus trees deliver dual conservation and development benefits in a rural landscape

A conceptual framework to describe the ecology of fragmented landscapes and implications for conservation and management

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