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Conserving and promoting evenness: organic farming and fire‐based wildland management as case studies

Journal Articles & Books
december, 2012

Healthy ecosystems include many species (high richness) with similar abundances (high evenness). Thus, both aspects of biodiversity are worthy of conservation. Simultaneously conserving richness and evenness might be difficult, however, if, for example, the restoration of previously absent species to low densities brings a cost in reduced evenness. Using meta‐analysis, we searched for benefits to biodiversity following adoption of two common land‐management schemes: the implementation of organic practices by farmers and of controlled burning by natural‐land managers.

Evaluation of field wetlands for mitigation of diffuse pollution from agriculture: Sediment retention, cost and effectiveness

Journal Articles & Books
december, 2012

Diffuse pollution, and the contribution from agriculture in particular, has become increasingly important as pollution from point sources has been addressed by wastewater treatment. Land management approaches, such as construction of field wetlands, provide one group of mitigation options available to farmers. Although field wetlands are widely used for diffuse pollution control in temperate environments worldwide, there is a shortage of evidence for the effectiveness and viability of these mitigation options in the UK.

role of social learning for soil conservation: the case of Amba Zuria land management, Ethiopia

Journal Articles & Books
december, 2012
Ethiopia

Social learning plays key roles in sustainable natural resource management; however, studies on its role show mixed results. Even though most current studies highlight positive outcomes, there are also negative effects of social learning with respect to natural resource management. This paper explores the influence of social learning outcomes on the adoption of soil conservation practices in Amba Zuria, Ethiopia. Data were collected through semi-structured interviews, group discussions and in workshops.

hybrid method combining SOM-based clustering and object-based analysis for identifying land in good agricultural condition

Journal Articles & Books
december, 2012
Europe

Remotely sensed imagery is currently used as an efficient tool for agricultural management and monitoring. In addition, the use of remotely sensed imagery in Europe has been extended towards determination of the areas potentially eligible for the farmer subsidies under the Common Agricultural Policy (CAP), through interactive or automatic land cover identification.

Implications of floodplain aquaculture enclosure

Journal Articles & Books
december, 2012
Bangladesh

In Bangladesh, extensive common pool fisheries exist in the wet season on private lands in the floodplains. This study investigated the trend in year-round enclosure of these seasonal commons for private aquaculture and the impacts of this practice. The floodplain area enclosed for aquaculture was found to be growing at 30–100% a year. Enclosures are organised by individual landowners, informal groups or companies that lease in land. Aquaculture in enclosures produces more fish than capture fisheries, but input costs are high.

Properties, best management practices and conservation of terraced soils in Southern Europe (from Mediterranean areas to the Alps): A review

Journal Articles & Books
december, 2012
Europe

Terrace soils are distinctive features of the agricultural landscape in Europe. Due to their historical and aesthetic significance, they are a resource for agriculture and tourism: however they are also a challenge for land conservation and management. Nevertheless, the fundamental role of terrace soils for agricultural quality and natural hazard prevention has not been fully investigated. In the past, terraced slopes became ideal sites for human settlement and agricultural activities.

Explaining productivity differences between beneficiaries of Zimbabwe's Fast Track Land Reform Programme and communal farmers

Journal Articles & Books
december, 2012
Zimbabwe

In the year 2000 the government of Zimbabwe launched the Fast Track Land Reform Programme (FTLRP) as part of its on-going land reform and resettlement programme. The main premise of the programme is to address the racially skewed land distribution pattern inherited at independence in 1980. While the programme has been accompanied by an overall reduction in agricultural production which has created widespread food insecurity throughout the country, empirical research on the impact of the programme on the agricultural productivity of its beneficiaries has been limited.

Payments for ecosystem services in Amazonia. The challenge of land use heterogeneity in agricultural frontiers near Cruzeiro do Sul (Acre,Brazil)

Journal Articles & Books
december, 2012
Brazil

Amazonia became a target area for Payment for Ecosystem Services (PES) initiatives in deforestation. We analysed the implementation of a PES scheme in Acre (Brazil) by taking into account land use heterogeneity in an agricultural frontier. Justified by the modernisation of deforestation control policies, the programme promotes agricultural intensification through fire-free practices. In this way, the PES tends to focus on long-established settlements, where farmers are wealthier and the landscape is dominated by pasture. Agricultural intensification may be adapted to foster reforestation.

Ecosystem-Based Agriculture Combining Production and Conservation—A Viable Way to Feed the World in the Long Term?

Journal Articles & Books
december, 2012
Ethiopia
Brazil
Philippines

This study analyzed examples of sustainable ecosystem-based agriculture where management methods supported livelihoods of smallholders while at the same time local ecosystem services were enhanced in Ethiopia, Brazil, and the Philippines. Participation by farmers and collective actions were found to be a crucial driving force, as local specific knowledge and “learning by doing” were main components of the development. Social cohesion, particularly through associations and cooperatives, and improved marketing opportunities were also important drivers.

Influence of tillage on maize yield in soil with shallow fragipan

Journal Articles & Books
december, 2012

A genuine concern for landowners and other stake holders is whether conservation tillage contaminates shallow groundwater even though it greatly reduces erosion. A six-year continuous maize (Zea mays L.) study that compared yields from no-tillage (NT), reduced-tillage (RT), and conventional-tillage (CT) was conducted in the upland hills of northern Mississippi on 4–6% sloping soils overlying a shallow fragipan.

Evaluation of bamboo as an alternative cropping strategy in the northern central upland of Vietnam: Above-ground carbon fixing capacity, accumulation of soil organic carbon, and socio-economic aspects

Journal Articles & Books
december, 2012
Vietnam

The mountains of northern Vietnam have lost significant forest cover during the last decades due to the conversion from natural vegetation to cultivated land, leading to the depletion of soil organic matter and land degradation. The study evaluated bamboo as an alternative cropping strategy in the northern central upland of Vietnam. We analyzed above-ground carbon fixing capacity of bamboo, accumulation of soil organic carbon, and socio-economic aspects as compared to other land use systems.

Agribusiness Indicators

Reports & Research
Training Resources & Tools
december, 2012
Zambia
Africa

Agriculture and agribusiness play an important role in the Zambian economy, contributing around 20 percent of gross domestic product (GDP) in recent years and about 12 percent of national export earnings. Agriculture employs nearly 70 percent of the labor force and remains the main source of income and employment for most of the people living in rural areas. The objective of the Zambia agribusiness indicators (ABI) country report is to examine factors that have affected agricultural productivity, market access, and the policy environment for agriculture in Zambia.