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Restoration and Rehabilitation of Arid and Semiarid Mediterranean Ecosystems in North Africa and West Asia: A Review

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This study systematically analyzes extensive literature on exclosures, afforestation, reafforestation, rehabilitation and other regeneration operations over several million hectares. It also includes 50 years of the author’s personal field experience in 17 of the 20 Mediterranean bioclimatic areas from the Atlantic Ocean to the Aral Sea.

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Increasing Drought Sensitivity and Decline of Atlas Cedar (Cedrus atlantica) in the Moroccan Middle Atlas Forests

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Since the 1980s, severe droughts have influenced Atlas cedar mortality in Morocco. This study looked at relative contributions of tree characteristics and stand structure on the increment-growth and decline of Atlas cedar trees (Cedrus atlantica) in stands affected by past logging and heavy grazing.

Open access copy available

Les acacias: des plantes fixatrices d’azote prometteuses pour le développement durable des zones arides et semi-arides (Acacia: Promising Nitrogen fixing trees for sustainable development in arid and semi-arid areas)

The authors discuss the use of Acacia species for production purposes in arid and semi-arid zones.

 

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Evolution of wildfires, burned areas, and affected species in Middle Atlas forests (Morocco) from 2000 to 2020

Background

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Effect of Tree Shelters and Regeneration Method on Survival and Growth of Cork Oak Plantations in the Maamora Forest, Morocco

Background

Open access copy available

Indigenous Trees in West African Forest Plantations: The Need for Domestication by Clonal Techniques

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This study evaluates native species tree plantations across West Africa by summarizing existing information on the yield of those plantations, with particular focus on the Cameroon Forest Management and Regeneration Project. It considers the potential for vegetative propagation and clonal selection to increase growth rates and marketability of native species.

Open access copy available

Effect of Taungya on Regeneration of Endemic Forest Tree Species in Nigeria: Edo State Nigeria as a Case Study

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This study aims to investigate the number of native species that can regenerate under natural conditions in a 3-year Taungya system in Edo State, Nigeria. Taungya is an agroforestry system that combines forestry practices with agriculture and agriculture-related activities.

Open access copy available

18 Secondary Forests in West Africa: A Challenge and Opportunity for Management

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This chapter discusses the importance and threats to secondary forests in West Africa, and the description of the floristic diversity and forest succession in secondary forest ecosystems. In addition, silvicultural and complementary management systems and the opportunities and challenges related are also discussed.

Open access copy available

Experiences of a research institute in forest restoration practices in Nigeria

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This paper reports on the activities championed by the Forestry Research Institute of Nigeria within its mandates particularly in the area of forest conservation and management in six ecological zones of the country to recuperate the nations’ ecological integrity.

Open access copy available

Mangrove Ecosystem Recovery and Restoration from Oil Spill in the Niger Delta: The GIS Perspective

Background

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Explorer la banque de graines du sol pour mieuxcomprendre la dynamique de régénération des forêtstropicales africaines (synthèse bibliographique)

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Régénération naturelle assistée: Gestion des arbres champêtres au Sahel (Assisted natural regeneration: management of wild trees in the Sahel)

The authors outline threats to forest regeneration in the Sahel, particularly with regard to agroforestry systems. Better agroforestry practices that incorporate assisted natural regeneration would allow for more sustainable availability of firewood and productivity of agroforestry systems. The authors strongly advocate for major changes in behavior and politics, including decentralization of authority over forest resources.

 

Open access copy available

Economic and Social Significance of Forests for Africa’s Sustainable Development

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This magazine issue covers topics related to Africa's forests and sustainable development.

Conclusions & Takeaways

Topics include sustainable mangrove management in Nigeria, plantation forests in South Africa, natural resource management in Zambia, land governance by local communities, etc.

 

Open access copy available

Bioremediation of a crude-oil polluted agricultural-soil at Port Harcourt, Nigeria

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Since more than 98% of Nigeria’s current economic support is crude oil, and oil spills are in inevitable and frequent, six treatment sample-cell were tested on the soils of the Niger Delta of Nigeria for crude oil bioremediation. Oil spills cause nitrogen levels to decrease, while increasing carbon content. A decrease in nitrogen and the toxicity of crude oil reduces the growth of heterotrophic bacteria, which utilize petroleum carbon for cell synthesis.

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Plantation Forestry in Sub Saharan Africa: Silvicultural, Ecological and Economic Aspects

BACKGROUND

Open access copy available