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Wednesday, 29 March 2017

Rural agricultural regions and sustainable development: a case study of the Allgäu region in Germany

Author
Alexander Wezel (awezel@isara.fr) and Sabine Weizenegger
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Abstract: Abstract Since the United Nations Conference on Environment and Development in 1992 in Rio de Janeiro, sustainable development became an important issue. Sustainable development often focuses on a single sector or parameter such as tourism, energy supply, water management, different aspects of nature conservation, or economy. In this paper, we provide a comprehensive picture of the development of a region since the Middle Ages and discuss whether this development can be evaluated as socially, economically and ecologically sustainable. We carried out a combined qualitative–quantitative assessment where we use quantitative data and indicators when available, as well as literature sources and expert knowledge from the region for a qualitative assessment. We judge that generally a sustainable development in the Allgäu region can be found, although also some critical points and contentious issues exist. An overall good economic and income situation for most people, the good ecological conditions and rich biodiversity, the relatively well-established social structure, as well as the identity of the people with the region and comparatively low social discrepancy, can be positively stated. In contrast, different actual and future threats exist such as new or planned infrastructure, increasing traffic or tourism activities in certain areas that degrade habitats and reduce species richness, intensification of agriculture in certain areas, but also abandonment of agriculture in other areas, loss of traditions and customs, and declining numbers of smallholders. The objective for the region would be to minimise these negative impacts and reinforce positive trends to assure the sustainable development of the Allgäu.
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Indigenous knowledge on use values of Karvan district plants, Iran

Author
Habib Yazdanshenas (habib_yazdan@ut.ac.ir), Elham Shafeian, Maliheh Nasiri and Seyed Alireza Mousavi
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Abstract: Abstract Traditional and indigenous knowledge on plants usage is a valuable source of information from cultural and natural perspectives, reflecting society’s complicated and close relationship with the environment. Communities have a valuable source of traditional knowledge on the utilization of natural resources, and it is worth to be documented and preserved for current and future applications. We conducted this research to collect and identify plant species of Karvan District and document the traditional knowledge on their use and consumption values. Regarding the results, 150 plant species are used by local communities, more than 30 % of which are directly consumed as food, 24 % (37 species) are used as medicinal plants, and 16.3 % are applied for decoration purposes; 58.6 % of the species are consumed in the raw form, and the remaining is processed before consumption. Leaves (35 %), seeds (21 %) and flowers (21 %) are the most frequent parts of the plants that are used. High number of young emigrants to industrialized areas in seek of job opportunities is threatening this precious source of indigenous knowledge. Attempts to preserve this empirical source of information by encouraging trans-generational knowledge transmission would help to maintain it for future applications.
Keywords: Plant species; Karvan; Indigenous knowledge; Use values (search for similar items in EconPapers)
Date: 2016
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Farming adaptation to environmental change in coastal Bangladesh: shrimp culture versus crop diversification

Author
Md. Jahangir Kabir (jahangir.kabir@uqconnect.edu.au), Rob Cramb(r.cramb@uq.edu.au), Mohammad Alauddin and Christian Roth (christian.roth@csiro.au)
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Abstract: Abstract Farming in coastal Bangladesh includes rice/shrimp and rice/non-rice cropping systems. The former has been highly profitable but has exacerbated salinization of soil and water. We evaluate the relative profitability, riskiness, and sustainability of the two cropping systems, using data from two coastal villages in Khulna District. Shrimp cultivation was initially very rewarding. However, over 12–15 years, the cropping system experienced declining profitability, increased salinity, and adverse impacts on rice cropping and the local environment. From 2009, farmers adapted the system by changing the pond (gher) infrastructure, adopting delayed planting of a saline-tolerant rice cultivar, flushing out accumulated salt with freshwater during rice cropping, and allowing the soil to dry out after harvesting rice. The budgeting results show that with current management practices, the rice/shrimp system is economically more viable (higher returns to land and labour and less risky) than the rice/non-rice system. Soil analyses showed that while salinity was higher in the gher during the dry season, it was significantly reduced in the wet season and was very similar between the two systems (1–2 dS/m). Hence, as well as being more profitable and less risky, the rice/shrimp system may well be more sustainable than previously observed.
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Farmers perception and awareness of climate change: a case study from Kanchandzonga Biosphere Reserve, India

Author
Gopal Shukla (gopalshukla12@gmail.com), Ashok Kumar (ashokhort@gmail.com), Nazir A. Pala and Sumit Chakravarty
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Abstract: Abstract This study was an attempt to document the indigenous Lepcha people’s perception on climate change-related issues in five villages of Dzongu Valley located in Kanchandzonga Biosphere Reserve, India. Personal structured questionnaire was used for interview of 300 households selected randomly. Results showed that 85 % of the households have perceived climate change, mainly in the form of increasing temperature and unpredictable pattern of rainfall. In terms of climate change-related events, 75 % of the households believed that wind is becoming warmer and stronger over the past years. Majority of the households have observed changes in crop phenology, while about 90 % agreed that the incidences of insect pest and diseases have increased over the years, especially in their large cardamom crop. A comparison of community perceptions, climatic observations and scientific literature shows that the community have correctly perceived temperature change, unpredictable occurrence of rainfall and increased incidence of insect pest and diseases, which have largely influenced the experiences and perceptions regarding climate-related events. Results reveal that households have adopted the use of locally available material as mulches against soil erosion, to conserve the soil moisture and manage soil temperature. Majority of the households have diversified their cropping system through traditional agroforestry systems and intercropping. Unfortunately, most of the households were unaware about the scientific sustainable approaches to combating impact of climate change. This documentation will aid in assessing the needs in terms of actions and information for facilitating climate change-related adaptation locally in Sikkim state of India.
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The impact of farmers’ participation in field trials in creating awareness and stimulating compliance with the World Health Organization’s farm-based multiple-barrier approach

Author
Owusu Amponsah (amponsah_owusu@yahoo.co.uk), Vigre Håkan, Torben Wilde Schou, Imoro Braimah and Robert Clement Abaidoo
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Abstract: Abstract The results of a study aimed as assessing the extent to which urban vegetable farmers’ participation in field trials can impact on their awareness and engender compliance with the World Health Organization’s farm-based multiple-barrier approach are presented in this paper. Both qualitative and quantitative approaches have been used in this paper. One hundred vegetable farmers and four vegetable farmers’ associations in the Kumasi Metropolis in Ghana were covered. The individual farmers were grouped into two, namely: (1) participants and (2) non-participants of the farm-based multiple-barrier approach field trials. The results of the study show that participation in the field trials has statistically significant effects on farmers’ awareness of the farm-based multiple-barrier approach. Compliance has, however, been undermined by the farmers’ perception that the cost of compliance is more that the benefits. Policy tools that can address these constraints have been recommended in the paper.
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Understanding determinants of farmers’ investments in sustainable land management practices in Ethiopia: review and synthesis

Author
Zenebe Adimassu (zenebeteferi@yahoo.com), Simon Langan and Robyn Johnston
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Abstract: Abstract Although there has been several efforts made to reduce land degradation and improve land productivity in Ethiopia, farmers’ investments in sustainable land management (SLM) remain limited. Nevertheless, the results regarding determinants of farmers’ investments in SLM have been inconsistent and scattered. Moreover, these factors have not been reviewed and synthesized. Hence this paper reviews and synthesizes past research in order to identify determinants that affect farmers’ investments in SLM practices and thereby facilitate policy prescriptions to enhance adoption in Ethiopia, East Africa and potentially wider afield. The review identifies several determinants that affect farmers’ investments in SLM practices. These determinants are generally categorized into three groups. The first group is those factors that are related to farmers’ capacity to invest in SLM practices. The results show that farmers’ investments in SLM practices are limited by their limited capacity to invest in SLM. The second groups of factors are related to farmers’ incentives for investments in SLM practices. Farmers’ investments in SLM are limited due to restricted incentives from their investments related to land improvement. The third groups of factors are external factors beyond the control of farmers. The review also shows that farmers’ capacities to invest in SLM and their incentives from investments have been influenced by external factors such as institutional support and policies. This suggests that creating enabling conditions for enhancing farmers’ investment capacities in SLM and increasing the range of incentives from their investment is crucial to encourage wide-scale adoption of SLM practices.
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Forestry activity in Portugal within the context of the European Union: a cluster in agricultural economics for sustainable development

Author
Vítor João Pereira Domingues Martinho (vdmartinho@esav.ipv.pt)
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Abstract: Abstract Forestry activities may be important complements to a farmer’s income within the context of agricultural economics, or autonomous production, with determining factors upon rural dynamics and sustainable development. Taking these ideas into account, the objective of this study was to analyze the importance of forestry for sustainability in Portugal, namely in rural regions, comparatively with the context verified across other countries in the European Union. For this, data from the Eurostat (Several statistics. European Union Statistics, Luxembourg, 2015) for the European countries were used, over the period 1990–2014, and for variables that allowed to capture the interrelationships among forest indicators and economic, social and environmental variables. This statistical information was analyzed from a descriptive perspective and using the pairwise correlation matrix (complemented with the Granger causality Wald tests), through the Stata (Statistics/data analysis. StataCorp, LP, College Station, TX, 2015) software, to understand the relationships between the different indicators. As a main finding, it is worth referring that Portugal has had, in this period, a small impact on the European Union forestry conjuncture, but with great potential, namely in terms of agricultural and rural economic sustainability.
Keywords: Forestry; Portugal; Descriptive analyzes; Agricultural economics sustainable(search for similar items in EconPapers)
JEL-codes: Q23 Y10 (search for similar items in EconPapers)
Date: 2016
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Using stated preference methods to assess environmental impacts of forest biomass power plants in Portugal

Author
Anabela Botelho, Lina Lourenço-Gomes, Ligia Pinto, Sara Sousa and Marieta Valente(mvalente@eeg.uminho.pt)
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Abstract: Abstract As a renewable energy source, the use of forest biomass for electricity generation is advantageous in comparison with fossil fuels; however, the activity of forest biomass power plants causes adverse impacts, affecting particularly neighbouring communities. The main objective of this study is to estimate the effects of the activity of forest biomass power plants on the welfare of two groups of stakeholders, namely local residents and the general population. To this end, we apply two stated preference methods: contingent valuation and discrete choice experiments, respectively. The former method was applied to estimate the minimum compensation residents of neighbouring communities of two forest biomass power plants in Portugal would be willing to accept. The latter method was applied among the general population to estimate their willingness to pay to avoid specific environmental impacts. The results show that the presence of the selected facilities affects individuals’ well-being. On the other hand, in the discrete choice experiments conducted among the general population all impacts considered were valued, in particular odour and fauna and flora impacts. The results of this study stress the importance of performing an equity analysis of the welfare effects on different groups of stakeholders from the installation of forest biomass power plants, as their effects on welfare are location and impact specific. Policy makers should take into account the views of all stakeholders either directly or indirectly involved when deciding crucial issues regarding the sitting of new forest biomass power plants, in order to achieve an efficient and equitable outcome.
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Conditions for the development of anaerobic digestion technologies using the organic fraction of municipal solid waste: perspectives for Poland

Author
Anna Rolewicz-Kalińska (anna_rolewicz-kalinska@is.pw.edu.pl), Anna Oniszk-Popławska, Judyta Wesołowska and Elżbieta D. Ryńska
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Abstract: Abstract This article outlines problems related to the location of facilities designed to treat the organic fraction of municipal solid waste (OFMSW). Anaerobic digestion (AD) facilities are investigated as a treatment option, while taking into account the aspects of renewable energy generation. This research has been spurred on by the relationship between waste management, energy generation issues and spatial planning procedures. The analysis is focused on urban and semi-urban areas of medium and large cities. One of the most difficult issues associated with siting of waste processing plants is its integration with local infrastructures, avoiding conflicts and negative environmental impacts at the same time. This research aims to analyse possible locations for AD plants fuelled by OFMSW in Poland. Based on the experience gained from other countries and lessons learnt from the analysis of existing facilities in Europe, conditions for the location of this type of waste treatment plants have been defined, with the focus on economic, environmental and social issues. Most likely, the results of the multicriteria decision analysis for siting of municipal solid waste AD plants (M-BIST tool) could be transferred to other countries, especially those with a comparable GDP level and a similar framework for a waste management system.
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Diversity of corals and benthic algae across the shallow-water reefs of Andaman Islands: managing the valuable ecosystems

Author
Suman Sarkar (suman763@gmail.com) and Samir Sarkar
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Abstract: Abstract The Andaman Islands characterize one of the relatively unexplored coral reef zones of the Indian subcontinent. A few benthic biodiversity studies have been carried out to date, but several coral and algal species still remain to be evaluated in terms of their abundance, vigour and conservation priority. In absence of a comprehensive, reliable dataset, inter-relationships between anthropogenic impacts and climate alterations with the coral reefs cannot be assessed authentically. This paper addresses the coupled themes of biodiversity and reef management in the Andaman Islands by examining the percentage cover of corals and benthic algae from shallow-water ecosystems across the coasts of Havelock, Neil, Ross, Jolly Buoy Islands and Chidiyatapu beach proximal to Port Blair. Four major reef types were observed: coral-dominated, algae-dominated, neutral setting and algae overgrowing dead reefs. Jolly Buoy Island had the highest percentage cover of scleractinian corals and crustose coralline algae. Turf algae were most abundant at the Ross Island, while other macroalgae showed highest abundance at Chidiyatapu. Overall species diversity values for corals and algae were highest at the Jolly Buoy and Chidiyatapu, respectively. Given that corals and algae are critical reef components, management paradigms must consider the abundance and frequency of both these biogenic entities in the seascape. The needs, expectations and objectives of the people dependent on coral reef ecosystems also need to be considered. Long-term monitoring is imperative in understanding the natural typology of reefs and managing the possible algal encroachments. Refined management efforts that include greater thrust on development of marine protected areas and reserves; establishment of connectivity between various coral ecosystems of the region; control of invasive algae; and increasing awareness among the local people as well as tourists will ensure continued support of ecosystem to maintain healthy reefs. Collectively, the results are used to promote some strategies to conserve the Andaman coral reefs and cope with the detrimental anthropogenic and climate changes in these coastal habitats.
Keywords: Coral reefs; Macroalgae; Biodiversity; Conservation; Andamans (search for similar items in EconPapers)
Date: 2016
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Community-based scenario planning: a process for vulnerability analysis and adaptation planning to social–ecological change in coastal communities

Author
Nathan James Bennett (nathan.bennett@ubc.ca), Alin Kadfak(alin.kadfak@globalstudies.gu.se) and Philip Dearden (pdearden@office.geog.uvic.ca)
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Abstract: Abstract The current and projected impacts of climate change make understanding the environmental and social vulnerability of coastal communities and the planning of adaptations important international goals and national policy initiatives. Yet, coastal communities are concurrently experiencing numerous other social, political, economic, demographic and environmental changes or stressors that also need to be considered and planned for simultaneously to maintain social and environmental sustainability. There are a number of methods and processes that have been used to study vulnerability and identify adaptive response strategies. This paper describes the stages, methods and results of a modified community-based scenario planning process that was used for vulnerability analysis and adaptation planning within the context of multiple interacting stressors in two coastal fishing communities in Thailand. The four stages of community-based scenario planning included: (1) identifying the problem and purpose of scenario planning; (2) exploring the system and types of change; (3) generating possible future scenarios; and (4) proposing and prioritizing adaptations. Results revealed local perspectives on social and environmental change, participant visions for their local community and the environment, and potential actions that will help communities to adapt to the changes that are occurring. Community-based scenario planning proved to have significant potential as an anticipatory action research process for incorporating multiple stressors into vulnerability analysis and adaptation planning. This paper reflects on the process and outcomes to provide insights and suggest changes for future applications of community-based scenario planning that will lead to more effective learning, innovation and action in communities and related social–ecological systems.
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Exploring factors that shape small-scale farmers’ opinions on the adoption of eco-friendly nets for vegetable production

Author
F. Assogba-Komlan, T. Martin, M. Ngouajio, S. Simon, L. Parrot, S. T. Garnett and K. K. Zander (kerstin.zander@cdu.edu.au)
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Abstract: Abstract If agro-ecological systems are to realize their potential as sustainable alternatives to conventional agricultural systems, innovation diffusion needs to be enhanced. We conducted surveys among 214 small-scale vegetable farmers in Benin, a food-deficit country in West Africa, on how they perceived the different attributes of eco-friendly nets (EFNs). The nets act as physical barriers against insects in vegetable production and so reduce pesticide use. Understanding farmer perceptions about new technologies helps reveal farmers’ propensity to adopt them. Intensity of attitude was measured on a Likert scale, and an ordered probit model was used to determine which characteristics of nets were most influential. Eighteen percent of farmers thought that EFNs would benefit them, but almost half preferred not to adopt this technology at all. The main reason for rejecting the nets was the perceived high labor requirement, particularly on larger plots of land. This largely negative perception was strongest among farmers with large areas cultivated with vegetables, farmers who had little or no experience in a trial, and those living far from extension services. We recommend expanded trials that engage a higher proportion of farmers, strengthening of external support for those wanting to use the nets and further technological development to reduce labor costs, improved access to finance and increased education about the negative impacts of insecticides abuse.
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