Restoration and Management Strategies
La restauración de bosques andinos tropicales: Avances, desafíos y perspectivas del futuroEspañolAntecedentesLa degradación ambiental y la pérdida de biodiversidad ponen en riesgo los medios de vida de habitantes de países andinos tropicales. Respondiendo a esta amenaza, Colombia, Ecuador, Perú y Bolivia han definido metas cuantitativas de restauración ecológica y consecuentemente formulado programas para alcanzar estas metas. No obstante, esto ha presentado retos de distintas magnitudes variando de país en país. Open access copy available |
Plantation Forestry in Sub Saharan Africa: Silvicultural, Ecological and Economic AspectsBACKGROUNDPlantation forestry in Africa is practiced using exotic species to supply timber and non- timber forest products, which are for industrial and non- industrial purposes. Ownership of the plantations extends from governments and large industrial corporations to individual farmers. Private plantations are performing well, with a better supply compared to the public ones. Plantation programs in Africa have undergone various challenges leading to a decline in production in the past two decades. Open access copy available |
Management of non-timber forestry products extraction: Local institutions, ecological knowledge and market structure in South-Eastern ZimbabweBACKGROUNDSengwe communal lands, in South East Zimbabwe were used to examine how they manage non timber forest products (NTFPs) as a common pool resource in that area. The area consists of five wards, of which four are communally owned. The government has a protected area engulfed by the local communal property system; both communal and state property regimes are involved in the management of certain resources. Available with subscription or purchase |
Fires in exotic forest plantations of Zimbabwe: Causes and management strategiesBACKGROUNDOf the 201,704-ha allocated to plantation forestry in Zimbabwe, 95,754-ha is usable. Forest plantations are mainly composed of Eucalyptus, Wattle and Pine. The dominant species grown are Pinus patula, P. taeda, E. grandis and Acacia mearnsii. Revenue is generated from timber exports. Forest fires are the major contributors of significant financial losses in these commercial plantations. Hence this article examines the causes of these fires and possible strategies for mitigating these anthropogenic fires. Available with subscription or purchase |
Restauración ecológica en un clima cambiante: ¿Es imprescindible un cambio de modelo?EspañolAntecedentesOpen access copy available |
Insectos vs suelo: la importancia de elegir indicadores para el monitoreo de la restauración ecológica.EspañolAntecedentesAmenazados por la degradación de suelos y la sobreexplotación de recursos naturales, los bosques andinos han sido objetos de mutiples proyectos e iniciativas de restauración forestal. Para ser exitosos, los proyectos de restauración deben incluir un plan de monitoreo comprensivo que evalúe indicadores relevantes y sensibles a cambios en el ecosistema. La selección de estos indicadores de monitoreo debe ser juiciosa y hecha en función a los objetivos de la restauración. Open access copy available |
Leverage points for improving global food security and the environmentBACKGROUNDMeeting global food demands is still a challenge, yet agriculture has been one of the main driving forces of greenhouse gas emissions. Hence, this study focused on identifying small regions, actions that can be taken and crops with a potential of increasing global yields, with an efficient system of food delivery and reducing the negative impacts of agriculture on the environment. Open access copy available |
Growth of native tree species planted in montane reforestation projects in the Colombian and Ecuadorian Andes differs among site and speciesBACKGROUNDTropical Andes in Columbia and Ecuador have been affected by forest clearance and degradation for several centuries. Agriculture has been the primary driver of land use change as well as mining to a lesser extent. To restore the degraded sites, native species have been used in various projects, however with little information on growth performance of the planted tree species in relation to site and soil nutrient status. A greater part of the northern Andes has volcanic ash derived soils. Available with subscription or purchase |
Pest management through tropical tree conservationBackgroundDeforestation and crop monocultures in Veracruz, Mexico are leading to the disappearance of indigenous trees and the animal species that depend on them. This is particularly troubling to local agricultural workers who benefit from species like hymenopteran parasitoids that attack pest fruit flies. This research evaluates the relationship between hymenopteran parasitoids, pest fruit flies and their fruit hosts and proposes potential strategies for conservation and pest management. Open access copy available |
Climate Change and Variability in the Mixed Crop/Livestock Production Systems of Central Ethiopian HighlandBACKGROUNDUsing a 60-year weather data, this chapter establishes the realities of climate change impacts in the Central Ethiopian Highland. It also explores the adaptive responses of teff and wheat, the two major food crops in the said locality. With a population of 100 million (as of 2018), Ethiopia faces increased levels of food insecurity. The study measured farmers’ perception of climate change and more importantly, their adaptation measures, and proposes four mitigation options for Ethiopia to cope with climate change related shocks exacerbated by population pressure. Available with subscription or purchase |
