160,404 research outputs found

    Forest landscape restoration in the drylands of Latin America

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    Forest Landscape Restoration (FLR) involves the ecological restoration of degraded forest landscapes, with the aim of benefiting both biodiversity and human well-being. We first identify four fundamental principles of FLR, based on previous definitions. We then critically evaluate the application of these principles in practice, based on the experience gained during an international, collaborative research project conducted in six dry forest landscapes of Latin America. Research highlighted the potential for FLR; tree species of high socioeconomic value were identified in all study areas, and strong dependence of local communities on forest resources was widely encountered, particularly for fuelwood. We demonstrated that FLR can be achieved through both passive and active restoration approaches, and can be cost-effective if the increased provision of ecosystem services is taken into account. These results therefore highlight the potential for FLR, and the positive contribution that it could make to sustainable development. However, we also encountered a number of challenges to FLR implementation, including the difficulty of achieving strong engagement in FLR activities among local stakeholders, lack of capacity for community-led initiatives, and the lack of an appropriate institutional and regulatory environment to support restoration activities. Successful implementation of FLR will require new collaborative alliances among stakeholders, empowerment and capacity building of local communities to enable them to fully engage with restoration activities, and an enabling public policy context to enable local people to be active participants in the decision making process. © 2012 by the author(s). Published here under license by the Resilience Alliance

    Multi-stakeholder involvement and urban green space performance

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    This study aimed to identify the main factors influencing urban green space performance. Therefore, a conceptual framework on the relations of multi-stakeholder involvement (MSI) and the performance was conducted by a mixed-method approach. The study covered all urban green space projects (UGSPs) published in international journals as its population which were obtained from three main databases: ISI Web of Knowledge, Scopus and Picarta. Using a few combinations of keywords, 29 relevant journals were identified, which included 42 UGSPs as the main units of analysis in this study. A content analysis was used to determine the contribution of MSI to the performance of urban green space. The main internal (state, private, society, planning/design, implementation, maintenance, input for management, and financial support) and external (regulation, good leadership and financial support) MSI indicators were further identified. The findings showed that the main indicators that significantly influence urban green space performance are 'state, society, implementation and regulation'. The study concluded that the state plays a critical role in the UGSPs' performance although it is not the only actor. The influential role of the state and society should also be considered since most of green space projects are non-profit oriented. 'Society' involvement also contributes to the performance and 'regulation' is also needed as a legal basis for green space development and management. To validate the conceptual framework and mixed-method approach developed here, it is recommended that more studies should be conducted to compare the relationship of the MSI and the UGSPs' performance in different categories

    Profiling unauthorized natural resource users for better targeting of conservation interventions

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    Unauthorized use of natural resources is a key threat to many protected areas. Approaches to reducing this threat include law enforcement and integrated conservation and development (ICD) projects, but for such ICDs to be targeted effectively, it is important to understand who is illegally using which natural resources and why. The nature of unauthorized behavior makes it difficult to ascertain this information through direct questioning. Bwindi Impenetrable National Park, Uganda, has many ICD projects, including authorizing some local people to use certain nontimber forest resources from the park. However, despite over 25 years of ICD, unauthorized resource use continues. We used household surveys, indirect questioning (unmatched count technique), and focus group discussions to generate profiles of authorized and unauthorized resource users and to explore motivations for unauthorized activity. Overall, unauthorized resource use was most common among people from poor households who lived closest to the park boundary and farthest from roads and trading centers. Other motivations for unauthorized resource use included crop raiding by wild animals, inequity of revenue sharing, and lack of employment, factors that created resentment among the poorest communities. In some communities, benefits obtained from ICD were reported to be the greatest deterrents against unauthorized activity, although law enforcement ranked highest overall. Despite the sensitive nature of exploring unauthorized resource use, management‐relevant insights into the profiles and motivations of unauthorized resource users can be gained from a combination of survey techniques, as adopted here. To reduce unauthorized activity at Bwindi, we suggest ICD benefit the poorest people living in remote areas and near the park boundary by providing affordable alternative sources of forest products and addressing crop raiding. To prevent resentment from driving further unauthorized activity, ICDs should be managed transparently and equitably

    Achieving Gender Justice in Indonesia's Forest and Land Governance Sector: How Civil Society Organizations Can Respond to Mining and Plantation Industry Impacts

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    Land based industries, most significantly palm oil plantations, timber concessions and mining operations, are expanding quickly in Indonesia. With approximately 840,000 ha of forest loss per year (Margono et al 2014), Indonesia suffers the world's highest rate of deforestation. As civil society organizations (CSOs) implement forest conservation strategies and programs to respond to the issue of forest loss, there is a growing concern that they lack the ability to address gender justice, or more specifically, Gender, Environment and Development, one field of Gender and Development. 1 This weakness may undermine CSO's ability to ameliorate the gendered injustices that limit women and marginalized communities' participation in forest governance. It also limits CSO's ability to build grassroots constituencies, which are crucial for driving reform. Drawing on the Gender, Environment and Development literature, and a gender assessment of selected Indonesian environmental CSOs, this paper provides a brief overview of the major gender issues relevant to forest and land governance, and makes six recommendations to help CSOs develop more gender sensitive advocacy and programming. The paper aims to contribute to the overall objective of improving gender justice (including women's participation) in forest governance

    Poverty Induced Forest Degradation in JFM Regime: Evidence from India

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    Around 28% of the total forest area in India has been brought under Joint Forest Management (JFM) and rest 72% remains virtually open access to local communities. In such a scenario, communities actively participating in JFM are also engaged in degrading de facto open access forests to meet their basic livelihood necessities. This reveals that, the poverty induced forest degradation still continues in JFM regime. This paper theoretically and empirically explains the factors that determine the individual indulgence in forest degradation. Based on a survey of 140 households in three forest fringe villages of Chandaka Wildlife Division of Orissa Sate in India, the study shows that lack of education, landlessness and low environmental awareness significantly influence the individual involvement in forest degradation. The implementation of JFM merely transfers the dependence of local community from one patch to another. It shows that unless the source of livelihood is secured, forest degradation by rural poor households would persist. In order to halt this depressing scenario, it calls for raising the individual opportunity cost through employment generation, skill formation and land allocation to the landless.Poverty, Forest Degradation, JFM

    Increasing dominance of large lianas in Amazonian forests

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    Ecological orthodoxy suggests that old-growth forests should be close to dynamic equilibrium, but this view has been challenged by recent findings that neotropical forests are accumulating carbon and biomass, possibly in response to the increasing atmospheric concentrations of carbon dioxide. However, it is unclear whether the recent increase in tree biomass has been accompanied by a shift in community composition. Such changes could reduce or enhance the carbon storage potential of old-growth forests in the long term. Here we show that non-fragmented Amazon forests are experiencing a concerted increase in the density, basal area and mean size of woody climbing plants (lianas). Over the last two decades of the twentieth century the dominance of large lianas relative to trees has increased by 1.7–4.6% a year. Lianas enhance tree mortality and suppress tree growth, so their rapid increase implies that the tropical terrestrial carbon sink may shut down sooner than current models suggest. Predictions of future tropical carbon fluxes will need to account for the changing composition and dynamics of supposedly undisturbed forests

    Improvement of seed germination of Fagus orientalis Lipsky

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    This thesis was seeking two main approaches for improvement of seed germination of oriental beech, a timber producing species in Hyrcanian forests in northern Iran. Germination behavior of beechnuts was enhanced either by decreasing the dormancy breakage period, or by increasing seed lot quality. A simple grading based on the weight of beechnuts, before exposing the dormant nuts to dormancy breaking conditions, significantly increased germination capacity of heavy class beechnuts, and reduced the period of dormancy breakage. Almost the same results were obtained by removing the endocarp. Applying alternative chilling temperatures, during dormancy breakage had positive effects on speed of dormancy release. These simple methods can be used with little equipment in forest nurseries and are suggested to be accompanied with more advanced techniques, like restricting moisture content during moist cold stratification period to gain maximum benefit. Previous reports from European beech and the results from the effect of endocarp removal suggest a possible role of other agents in dormancy in oriental beechnuts. Water soluble phenolics extracts from the seed coats, significantly suppress the germination of radish seed. The endocarp may act as a barrier against exudation of these germination inhibitors. The deep embryo dormancy presents problems when assessing the viability of oriental beech nuts. It is therefore possible to test germination performance in semi-dormant nuts to predict the nut viability in this species. A dormant seedlot was stored in sub-chilling conditions for 15 months and a series of germination tests were conducted during the dormancy breakage period of stored and fresh nuts. The results showed that mean germination times for both nut groups were almost the same, but germination capacity was statistically different only for semi-dormant nuts. Non-dormant stored and fresh nuts showed no significant differences, which indicate the complexity of dormancy release in oriental beech nuts. Abscisic acid (ABA) contents of embryonic axes of stored and fresh nuts were measured during the dormancy breakage period, and results indicated a close correlation between ABA levels and increment in germination capacity as dormancy was released. Near infrared spectroscopy (NIRS) combined with partial least squares regression (PLS) were used as rapid and non-destructive methods for discrimination of sound and deteriorated single beechnuts. NIRS-PLS is a promising method for quality improvement of nearly all agricultural products and in this study showed 100% accuracy in separation of viable and non-viable nuts

    Social Dilemmas and Public Range Management: Results from the Nevada Ranch Survey

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    Since the late 1960s, the Nevada ranch community has come under increasing pressure from environmental groups regarding their use of public lands for livestock grazing, thus increasing tension between ranchers and public land managers and potentially reducing the social capital that facilitates action and cooperation in range management. In this paper, we use responses to a survey of all public grazing permit holders in Nevada to investigate the changing relationships between ranchers and the public land agencies, and its potential implications. In particular, we investigate factors that affect ranchers’ trust in the public land agencies, and then factors that influence the nature of the relationship between ranchers and the Bureau of Land Management and U.S. Forest Service. Low levels of trust between ranchers and public managers were most significantly related to previous disagreements and the belief in a poor future for ranching. The occurrence of wildfire on grazing land contributed most signifcantly to increased disagreement between ranchers and public agencies. Finally, as a response to conflict in the ranch community, community based initiatives, such as grass banking, are examined for their potential to bring stakeholders together to realize and address common goals. Community involvement in decision making may increase levels of social capital, reduce transaction costs, and thus allow for more effective and efficient use of the range resources.Institutions and social capital, effectiveness of range management policies
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