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Combination of Bonding, Bridging and Linking Social Capital in a Livelihood System: Nomadic Duck Herders Amid the Covid-19 Pandemic in South Sulawesi, Indonesia 生计系统中社会资本的纽带、桥梁和联系:印度尼西亚南苏拉威西州新冠肺炎大流行期间的游牧民
IF 1.7 Q2 FORESTRY Pub Date : 2021-03-26 DOI: 10.24259/FS.V5I1.11813
D. Salman, K. Kasim, A. Ahmad, Nurhady Sirimorok
Livelihood systems of nomadic duck herders make a unique study subject due to the livelihood assets, strategies, and outcomes they manage, which involve interactions with various actors that keep moving around. Social capital the duck herders build in their interaction with other actors, namely rice farmers, play an important role to face different vulnerability context, including those brought by the Covid-19 pandemic. This study aims to characterize components of bonding, bridging and linking social capital in the context of relationships between duck herders and other actors, and seeks to find the essential role of the combination of the three types of social capital for livelihood outcomes, particularly in facing vulnerabilities due to the pandemic. The method of grounded theory research was applied for its ability to allow researchers to reveal processual relationships between duck herders and other actors. Data were collected through semi structured interviews, analyzed by open, axial, and selective coding. The duck herders combine components of bonding, bridging, and linking social capital selectively depending on the interests behind each interaction with different actors. The bridging and linking role that social capital plays in herders’ interactions with farmers and irrigation officials is undertaken in order to gain access to natural capital (rice fields and irrigated water), while in their interaction with egg traders, they utilize bridging social capital to gain access to financial capital (in the form of cash and loans). The vulnerability context due to the pandemic has shaken the livelihood system of the duck herders by upsetting the egg supply chain due to social restriction policies. Social capital therefore plays an important role in facing vulnerability, in the context of forming good will among egg traders that continued to buy eggs from the duck herders, which served as a kind of pay back for the loyalty of the duck herders. We find that social capital plays a vital role in a livelihood system, within which the access to livelihood assets depend on social relations. This study also explored the impact of the Covid-19 pandemic as it resonates more on supply chains than production processes.
由于他们管理的生计资产、策略和结果,游牧鸭牧民的生计系统成为一个独特的研究课题,这涉及到与不断移动的各种行动者的相互作用。养鸭者在与其他行为者(即稻农)的互动中建立的社会资本在面对不同的脆弱性背景(包括Covid-19大流行带来的脆弱性背景)方面发挥着重要作用。本研究旨在描述在养鸭者与其他行为者之间关系的背景下,社会资本的纽带、桥梁和联系的组成部分,并寻求找到三类社会资本的结合对生计成果的重要作用,特别是在面对疫情造成的脆弱性时。扎根理论研究的方法被应用,因为它能够让研究人员揭示鸭子牧民和其他行为者之间的过程关系。通过半结构化访谈收集数据,采用开放编码、轴向编码和选择性编码进行分析。养鸭者根据与不同参与者的每次互动背后的利益,有选择地结合社会资本的纽带、桥梁和联系的组成部分。社会资本在牧民与农民和灌溉官员的互动中发挥桥梁和联系作用,是为了获得自然资本(稻田和灌溉水),而在他们与鸡蛋交易商的互动中,他们利用桥梁社会资本获得金融资本(以现金和贷款的形式)。由于新冠疫情的脆弱性,由于社会限制政策,鸡蛋供应链受到破坏,动摇了养鸭者的生计体系。因此,社会资本在面对脆弱性方面发挥了重要作用,在鸡蛋商人之间形成善意的背景下,他们继续从鸭牧民那里购买鸡蛋,这是对鸭牧民忠诚的一种回报。我们发现社会资本在生计系统中起着至关重要的作用,在生计系统中,生计资产的获取取决于社会关系。本研究还探讨了Covid-19大流行的影响,因为它对供应链的影响大于生产过程。
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引用次数: 10
Impacts of the COVID-19 pandemic on ginger production: Supply chains, labor, and food security in Northeast Thailand 2019冠状病毒病大流行对生姜生产的影响:泰国东北部的供应链、劳动力和粮食安全
IF 1.7 Q2 FORESTRY Pub Date : 2021-03-06 DOI: 10.24259/FS.V5I1.11897
Pakhuan Wannaprasert, Sukanlaya Choenkwan
This paper evaluates the impacts of the COVID-19 pandemic on ginger production and ginger farmer livelihoods in Loei province where ginger is an important commercial crop. The analysis also pays particular attention to the lockdown period (March – June 2020). Data for this study were obtained from several sources, including information from government records, onsite observation, and semi-structured interviews. Field research was conducted in August 2020 for 10 days in a village in Plaba sub-district. Data was obtained using an interview guide with 55 ginger farmers who have been growing ginger for at least 3 years. The results show that the lock down and transportation restrictions affected input supply chains, such as fertilizer and rhizome seeds. The flow of international labor was also constrained affecting skilled labor shortage in ginger production. However, COVID-19 shows positive impacts on ginger production systems. Ginger price is higher than the previous year because of world market demand and the belief that ginger can be used as an antioxidant to prevent COVID-19 infections. Moreover, the result also shows that these ginger farmers are somewhat resilient in the face of COVID-19 as they are not much dependent on markets for their own subsistence needs. Finally, this study recommends that promoting farmers to produce their own food and diversify commercial crops would be a good strategy for farmers to survive the crisis.
本文评估了2019冠状病毒病大流行对生姜生产和姜农生计的影响,在姜是重要经济作物的罗伊省。该分析还特别关注了封锁期(2020年3月至6月)。本研究的数据来自多个来源,包括政府记录、现场观察和半结构化访谈。2020年8月,在普拉巴街道的一个村庄进行了为期10天的实地调查。数据是通过对55名种植生姜至少3年的姜农的访谈指南获得的。结果表明,封锁和运输限制影响了化肥和根茎种子等投入物供应链。国际劳动力的流动也受到限制,影响了生姜生产中熟练劳动力的短缺。然而,2019冠状病毒病对生姜生产系统产生了积极影响。由于世界市场需求和生姜可以作为抗氧化剂预防COVID-19感染的信念,生姜的价格高于去年。此外,调查结果还表明,面对COVID-19,这些姜农具有一定的抗疫能力,因为他们的生存需求不太依赖市场。最后,本研究建议,促进农民生产自己的粮食和多样化的经济作物将是一个很好的策略,农民生存的危机。
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引用次数: 16
Identifying Climate Change Adaptation Efforts in the Batutegi Forest Management Unit, Indonesia 确定印尼巴图特吉森林管理部门适应气候变化的努力
IF 1.7 Q2 FORESTRY Pub Date : 2021-02-15 DOI: 10.24259/FS.V5I1.7389
C. Wulandari
The Batutegi Forest Management Unit (FMU) in Lampung Province, Indonesia is beginning to observe the consequences of climate change. Meanwhile, communities in Batutegi are also suggesting that effects of climate change are becoming more prominent in their region. Indicators include rising air temperature and the increasing regularity of extreme weather changes. Studies show that land cover has decreased by up to 95% in the region. As these trends intensify, predictions note that the Batutegi reservoir and the productivity of the surrounding protected forests will be affected. This research examines FMU efforts to adapt to vulnerabilities from environmental and climate change. The broader objective of this research is to determine the appropriate climate change adaptation efforts, specifically regarding the management of sustainable forest protection. The method is conducted through regression analysis to identify significant variables and applies the Analytic Hierarchy Process (AHP) to identify priorities for planned interventions for climate change adaptation by the FMU. Based on regression results there were four significant variables, i.e. appropriate agroforestry initiatives, non-timber forest products, community institutional support, and local policy engagement. This research also considers various kinds of technologies of adaptation applied by local communities. Examining community efforts also presents possibilities for improving FMU institutional planning that is locally responsive. This is done primarily through agroforestry techniques and other community conservation practices. Based on the result of the AHP analysis, the findings highlight various programs related to agroforestry technologies as the top priority. Thereafter, priorities point to institutional development policies. Together, these priorities can form the basic considerations for developing climate change adaptation policies in Batutegi. These policies can be applied with, and by communities in managing forests through agroforestry, beginning with support for high quality seed procurement that also supports all phases of cultivation and supply chain through final product marketing. As a result, forest productivity and support for local income can form a robust approach for fulfilling community needs despite the effects of environmental and climate change in Batutegi. 
印度尼西亚楠榜省的巴图特吉森林管理处(FMU)正开始观察气候变化的后果。与此同时,巴图特吉的社区也表明,气候变化的影响在他们的地区变得越来越突出。指标包括气温上升和极端天气变化日益频繁。研究表明,该地区的土地覆盖减少了高达95%。随着这些趋势的加剧,预测指出,Batutegi水库和周围受保护森林的生产力将受到影响。本研究考察了FMU在适应环境和气候变化脆弱性方面所做的努力。本研究的更广泛目标是确定适当的气候变化适应努力,特别是关于可持续森林保护的管理。该方法通过回归分析来确定重要变量,并应用层次分析法(AHP)来确定FMU计划的气候变化适应干预措施的优先级。根据回归结果,有四个显著变量,即适当的农林业举措、非木材林产品、社区机构支持和地方政策参与。本研究还考虑了当地社区应用的各种适应技术。审查社区的努力也提供了改进FMU机构规划的可能性,以便对地方作出反应。这主要是通过农林业技术和其他社区保护做法来实现的。基于AHP分析的结果,研究结果强调了与农林复合技术相关的各种方案是最优先的。此后,优先事项指向体制发展政策。总之,这些优先事项可以构成巴图特吉制定气候变化适应政策的基本考虑因素。这些政策可以应用于社区,也可以由社区通过农林业管理森林,首先是支持高质量种子采购,并通过最终产品营销支持种植和供应链的各个阶段。因此,尽管巴图特吉受到环境和气候变化的影响,森林生产力和对当地收入的支持可以成为满足社区需求的有力途径。
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引用次数: 6
Forest - Related Culture and Contribution to Sustainable Development in the Northern Mountain Region in Vietnam 越南北部山区森林文化及其对可持续发展的贡献
IF 1.7 Q2 FORESTRY Pub Date : 2021-02-07 DOI: 10.24259/FS.V5I1.9834
T. Ngo, Thi Mai Chi Nguyen, T. Duong, T. Ly
The culture of communities living near/in forests indelibly interacts with forest ecosystems, both shaping and adapting to the natural environment. Forest-related cultural dimensions also provide benefits for local economies and social welfare. This study analyses the relationship between local culture and forests of the Tay and the Dao minorities and their contribution to sustainable development in Vo Nhai, a mountainous district in northern Vietnam. The study uses methods of a literature review, participant observation and qualitative interviews with local people. The strong embedded culture with forests that developed over many generations of Tay and Dao people was expressed through their knowledge systems of understanding nature, skills for environmental adaption, health protection and spiritual and recreational activities. The potentials of forest - related culture as a feature of local sustainable development were analysed through contributions in natural resource conservation, economic development and social cohesion. To integrate forest - related culture in sustainable development, some issues need to be better focused on the locality.
生活在森林附近/森林中的社区文化与森林生态系统不可磨灭地相互作用,既塑造又适应自然环境。与森林有关的文化层面也为当地经济和社会福利带来好处。本研究分析了越南北部山区武奈的Tay族和Dao族当地文化与森林的关系,以及他们对可持续发展的贡献。本研究采用文献综述法、参与式观察法和对当地居民的定性访谈法。泰族和道族世代发展起来的深厚的森林文化通过他们理解自然的知识体系、适应环境的技能、健康保护以及精神和娱乐活动来表达。通过对自然资源保护、经济发展和社会凝聚力的贡献,分析了森林相关文化作为地方可持续发展特征的潜力。要将森林文化纳入可持续发展,需要更好地关注地方问题。
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引用次数: 6
Oil Palm Plantations, Forest Conservation and Indigenous Peoples in West Papua Province: What Lies Ahead? 西巴布亚省的油棕种植园、森林保护和土著人民:未来如何?
IF 1.7 Q2 FORESTRY Pub Date : 2020-12-25 DOI: 10.24259/fs.v5i1.11343
Y. Runtuboi, Dwiko B. Permadi, M. Sahide, A. Maryudi
Oil palm plantations are currently expanding to the eastern part of Indonesia, especially in West Papua province. Many oil palm permits issued in West Papua occupy intact biodiversity-rich forest areas which have essential value for indigenous Papuans' socio-cultural life. This article discusses expansion of oil palm plantations in West Papua province, and its impacts on forests and indigenous people. It also assesses whether the plantations fit the Special Autonomy Law and Sustainable Development Regulation goals of the province. In general, plantations are being established in forest areas, and further planned expansion threatens intact and biodiversity-rich forests. In addition, plantation development rarely considers the socio-cultural issues of indigenous Papuans. As a result, customary rights and institutions are commonly overlooked, undermined, or violated. Oil palm plantations are not necessarily compatible with sustainable development regulation goals, and need to reconcile its overall economic and conservation agenda. 
油棕种植园目前正在扩展到印度尼西亚东部,特别是在西巴布亚省。在西巴布亚颁发的许多油棕许可证占据了生物多样性丰富的完整森林地区,这些地区对土著巴布亚人的社会文化生活具有重要价值。本文讨论了西巴布亚省油棕种植园的扩张及其对森林和土著居民的影响。此外,还评估了人工林是否符合《特别自治法》和《可持续发展条例》的目标。一般来说,正在森林地区建立人工林,进一步计划的扩张威胁到完整和生物多样性丰富的森林。此外,种植园的发展很少考虑到土著巴布亚人的社会文化问题。因此,习惯权利和制度通常被忽视、破坏或侵犯。油棕种植园不一定符合可持续发展监管目标,需要协调其整体经济和保护议程。
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引用次数: 14
Reconciling community land and state forest claims in Indonesia: A case study of the Land Tenure Settlement Reconciliation Program in South Sumatra 印度尼西亚社区土地与国家森林权利的和解:南苏门答腊岛土地权属和解项目的案例研究
IF 1.7 Q2 FORESTRY Pub Date : 2020-12-22 DOI: 10.24259/fs.v5i1.10552
M. Salim, D. Wulan, Sukmo Pinuji
Longstanding land tenure claims in state forest by communities continues to pose a challenge to government institutions in Indonesia. Such conditions require institutions to develop mechanisms to assure communities of their rights in the state ideals of manifest justice and welfare. One government policy to reconcile these goals is the mechanism on Land Tenure Settlement Reconciliation in State Forests (Penyelesaian Penguasaan Tanah dalam Kawasan Hutan/PPTKH). This study aims to describe this policy in the context of fieldwork experience related to fundamental problems in the process of identification and settlement of land tenure claimed by communities in state forests. Data collection was obtained through participant observation conducted with communities in Ogan Kemoring Ulu Regency by identifying and verifying community lands in state forests. This method allowed for a more nuanced understanding of settlement challenges and afforded the opportunity to develop a formula for addressing conflicts. The results of the study show that the main problems are a lack of access to information related to the PPTKH policy emergent from ineffective dissemination of information combined with an underdeveloped capacity of processes that support the community to convene and discuss with government actors, academics/researchers, and activists/scholars. The participative learning process conducted by the authors helped the community effectively prepare documents to propose to an Inventory and Verification (Inver) team of Land Tenure in State Forests. Therefore, going forward more collaborative work is needed within the framework of community assistance and capacity building so that the communities have the means and resources to able to understand the challenges of land tenure recognition and be empowered to propose such mechanisms independently. Communities who claim land in state forests depend upon formalized legality, without which can potentially harm their access and assets.
社区对国有森林的长期土地所有权要求继续对印度尼西亚的政府机构构成挑战。这种情况要求机构发展机制,以确保社区在国家理想中享有明显的正义和福利。调和这些目标的一项政府政策是国家森林土地权属和解机制(Penyelesaian Penguasaan Tanah dalam Kawasan Hutan/PPTKH)。本研究的目的是在实地工作经验的背景下描述这一政策,这些实地工作经验与确定和解决社区在国家森林中主张的土地所有权过程中的基本问题有关。数据收集是通过在Ogan Kemoring Ulu县的社区进行参与性观察,通过确定和核实国家森林中的社区土地获得的。这种方法使人们能够更细致地了解解决问题的挑战,并为制定解决冲突的方案提供了机会。研究结果表明,主要问题是缺乏获得与PPTKH政策相关的信息的途径,这是由于信息传播无效以及支持社区与政府行为者、学者/研究人员和活动家/学者召集和讨论的过程能力不发达造成的。作者进行的参与式学习过程帮助社区有效地准备了向国家森林土地权属清查和核查(Inver)小组提出建议的文件。因此,今后需要在社区援助和能力建设的框架内开展更多的协作工作,以便社区有手段和资源能够了解承认土地所有权的挑战,并有能力独立提出这种机制。在国家森林中拥有土地的社区依赖于正式的合法性,没有正式的合法性可能会损害他们的使用权和资产。
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引用次数: 4
Homegarden Ethnobotany of Two Saibatin Villages in Lampung, Indonesia: Species Diversity, Uses, and Values 印度尼西亚南榜两个赛巴汀村的家庭花园民族植物学:物种多样性、用途和价值
IF 1.7 Q2 FORESTRY Pub Date : 2020-09-11 DOI: 10.24259/fs.v4i2.9720
Anisatu Z. Wakhidah, T. Chikmawati, Yudhi Purwanto
Since homegardens reflect a culture of a particular ethnic group, the study in homegardens provide unique insights into ethnobotany. The Saibatin sub-tribe in Lampung has extensive uses for plants, but an ethnobotanical study of their homegardens are still lacking. This study aimed to describe the structure and composition of the Saibatin community homegarden and to explain the diversity of plants and the usage patterns through an ethnobotany perspective. The study also aimed to elaborate species with social-economic and ecological functions and to describe the overall functions of homegardens. Ethnobotanical data were collected using participant observation methods, which were complemented by questionnaires. We determined the key respondents and common respondents using the purposive sampling and snowball sampling method, while homegarden plant species diversity was identified using vegetation analysis methods. The results showed that 3 size categories of homegardens are present in this area, including narrow, medium, and broad. The homegarden structure consisted of hadap/tangebah (front yard), gelekhan (side yard), and kudan (backyard). Six types of habitus composed the homegarden structure, namely herbaceous, epiphytes, shrubs, trees, succulents, and vines. The homegarden species richness index (DMg) in Way Jambu Village (WJA) (17.34) was higher than Labuhan Mandi Village (LMA) (16.87). Even so, the homegarden plant diversity (H’) and evenness (J ) in LMA was higher than WJA. There were 16 plant usage categories used by the Saibatin community (WJA 15; LMA14). Foodstuffs were the usage category of homegardens with the highest number of species in both villages. The species ICS value ranges between the two villages were relatively similar. The highest ICS species in WJA was Cocos nucifera while in LMA was Cymbopogon citratus. By studying ethnobotany of Saibatin sub-tribe homegarden we conclude that the three main roles of the homegardens are to provide social-economic impacts, ecological services, and representing the cultural value of Saibatin community identity
由于家庭花园反映了一个特定民族的文化,因此对家庭花园的研究为民族植物学提供了独特的见解。楠榜岛的Saibatin亚部落对植物有广泛的用途,但对他们的家庭花园的民族植物学研究仍然缺乏。本研究旨在从民族植物学的角度描述赛巴汀群落花园的结构和组成,并解释植物的多样性和利用模式。研究还旨在阐述具有社会经济和生态功能的物种,并描述家园花园的整体功能。采用参与式观察法收集民族植物学数据,并辅以问卷调查。采用目的抽样法和滚雪球抽样法确定了重点调查对象和普通调查对象,采用植被分析方法确定了园林植物物种多样性。结果表明,本区园林存在窄、中、宽3种大小类型。家庭花园结构由hadap/tangebah(前院),gelekhan(侧院)和kudan(后院)组成。六种生境构成了园林结构,即草本、附生、灌木、乔木、多肉植物和藤本植物。Way Jambu村(WJA)的物种丰富度指数(DMg)为17.34,高于Labuhan Mandi村(LMA)的16.87。尽管如此,LMA的植物多样性(H)和均匀度(J)高于WJA。赛巴汀群落利用的植物种类有16种(wja15;LMA14)。食品是两个村庄家庭菜园的使用类别,物种数量最多。两个村的物种ICS值范围比较接近。WJA中ICS最高的种是Cocos nucifera, LMA中ICS最高的种是Cymbopogon citratus。通过对赛巴族人家园园林的民族植物学研究,认为赛巴族人家园园林的主要功能是提供社会经济影响、提供生态服务和体现赛巴族人社区认同的文化价值
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引用次数: 17
Seedling Recruitment of Native Tree Species in Active Restoration Forest 主动恢复林中原生树种的补苗研究
IF 1.7 Q2 FORESTRY Pub Date : 2020-04-26 DOI: 10.24259/fs.v4i1.9421
Yingluck Ratanapongsai
Since 1970’s, large are of deforestation and forest conversion to agriculture in the northern mountains of Thailand grew concern of environmental impact. Forest restoration became an important strategy to rapidly increase forest habitat in a wide-scale in Thailand. The Framework Species (FWS) technique is an active forest restoration that has been developed to restored forest habitat and ecosystem on former-agriculture land in the northern Thailand. After planting 20-30 framework species, the method then relies on incoming native tree species to sustain forest succession. However, there has been little known about the recruitment of native tree species and factors limiting the recruitment in this area. The study compared recruit native tree species in the seedling community of the FWS restoration and nearby seed source to assess how many of those are recruit or absent from the community. The factor of seed-dispersed agents and seed sized was investigated as the possible limited factors of the recruitment and compared among 3 restoration periods (at age 6, 10, and 14 years). The result reveals half of native species were absent from the seedling community across all 3 restoration ages. Seed available was a major limitation for the recruitment of native tree species. Big-seeded species had higher chance to be limited than small-seeded species to recruit in the restoration site (p-value = 0.0249 by the Tukey test). whilst seed-dispersed agents were not limited (p-values=0.420 by Chi square). The FWS forests efficiently facilitated seedlings of native tree species to recruit at the similar recruitment rates across all 3 ages of restoration. However, the technique was still limited in regard of seed available. Species of less common or rarer might need to be included for the FWS plantation in the future to enhance species diversity and better outcome of the restoration.
自20世纪70年代以来,泰国北部山区大规模的森林砍伐和森林转为农业对环境的影响日益受到关注。森林恢复已成为泰国大规模快速增加森林生境的重要策略。框架物种(FWS)技术是一种主动森林恢复技术,用于恢复泰国北部前农业用地上的森林栖息地和生态系统。在种植了20-30种框架树种后,该方法依靠外来的本地树种来维持森林演替。然而,对本区原生树种的增收情况及限制增收的因素了解甚少。本研究比较了FWS恢复的幼苗群落和附近的种子源中招募的本地树种,以评估群落中有多少是招募的或缺失的。研究了种子分散剂和种子大小的影响因素,并比较了3个恢复时期(6岁、10岁和14岁)的影响因素。结果表明,在所有3个恢复时期,一半的本地物种都没有出现在幼苗群落中。种子可得性是制约本地树种补充的主要因素。大种子物种比小种子物种有更高的机会在恢复场地招募受限(Tukey检验p值= 0.0249)。而种子分散剂不受限制(卡方p值=0.420)。FWS森林有效地促进了本地树种幼苗在所有3个恢复阶段以相似的招募率进行招募。然而,该技术在种子可用性方面仍然受到限制。未来可能需要在FWS人工林中增加不常见或罕见的物种,以增加物种多样性和更好的恢复效果。
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引用次数: 5
Reducing Illegal Logging through a Chainsaw Buyback and Entrepreneurship Program at Gunung Palung National Park 通过古农帕隆国家公园的电锯回购和创业计划减少非法采伐
IF 1.7 Q2 FORESTRY Pub Date : 2020-04-26 DOI: 10.24259/fs.v4i1.7707
N. I. Fawzi, J. Helms, Agus Novianto, Agus Supianto, Angela Meike Indrayani, Nurfitriah Febriani
Gunung Palung National Park in Indonesian Borneo, home to 2,500 Bornean orangutans (Pongo pygmaeus ssp. wurmbii), suffers from severe deforestation that is caused by illegal logging. This article aims to analyze the success of an innovative entrepreneurship program in reducing illegal logging in Gunung Palung National Park. This program combines voluntary chainsaw buybacks with capital investment for former loggers to launch a business of their choice.  To analyze the success of this entrepreneurship program, we measured two parameters: (1) transitions of former loggers to sustainable alternative livelihoods and (2) reductions in the number of loggers who log actively inside the park. The average monthly income for participating business partners was 2,923,333 rupiah or $209 USD for new partners who had participated for less than one year and 3,357,778 rupiah or $240 for established partners who had participated for more than one year. This income is about the minimum wage for the local area. The failure rate of the program—defined as the partners that returned to logging—was only 6%, or 3 out of 50 partners. Successful forest conservation, however, requires addressing additional factors beyond reducing the access to logging equipment.
印尼婆罗洲的古农帕隆国家公园是2500只婆罗洲猩猩(Pongo pygmaeus ssp.)的家园。乌姆比伊(Wurmbii)遭受非法采伐造成的严重森林砍伐。本文旨在分析一项创新创业计划在减少古农帕隆国家公园非法采伐方面的成功。该计划将自愿回购链锯与资本投资相结合,让前伐木工人创办自己选择的企业。为了分析这一创业项目的成功,我们测量了两个参数:(1)前伐木工人向可持续替代生计的转变;(2)在公园内积极伐木的伐木工人数量的减少。参与不到一年的新合作伙伴的平均月收入为2,923,333印尼盾或209美元,参与一年以上的老合作伙伴的平均月收入为3,357,778印尼盾或240美元。这个收入大约是当地的最低工资。该程序的失败率(定义为返回日志记录的合作伙伴)仅为6%,即50个合作伙伴中的3个。然而,成功的森林保护需要解决除减少获得伐木设备之外的其他因素。
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引用次数: 1
Classification Methods for Mapping Mangrove Extents and Drivers of Change in Thanh Hoa Province, Vietnam during 2005-2018 2005-2018年越南清化省红树林面积划分方法及变化驱动因素
IF 1.7 Q2 FORESTRY Pub Date : 2020-04-26 DOI: 10.24259/fs.v4i1.9295
Hai H. Nguyen, Nghia Huu Nghia, Hien Thi Thu Nguyen, An Thanh Le, L. Tran, L. Duong, S. Bohm, M. Furniss
Mangrove forests have been globally recognised as their vital functions in preventing coastal erosion, mitigating effects of wave actions and protecting coastal habitats and adjacent shoreline land-uses from extreme coastal events. However, these functions are under severe threats due to the rapid growth of population, intensive shrimp farming and the increased intensity of severe storms in Hau Loc and Nga Son districts, Thanh Hoa province. This research was conducted to monitor spatial-temporal changes in mangrove extents using Landsat and Sentinel imageries from 2005 to 2018. Unsupervised and supervised classification methods and vegetation indices were tested to select the most suitable classification method for study sites, then to quantify mangrove extents and their changes in selected years. The findings show that supervised classification was the most suitable in study sites compared to vegetation indices and unsupervised classification. Mangrove forest extents increased by 7.5 %, 38.6 %, and 47.8 % during periods of 2005 - 2010, 2010 - 2015 and 2015 - 2018, respectively. An increase of mangrove extents resulted from national programs of mangrove rehabilitation and restoration during 2005- 2018, increased by 278.0 ha (123.0 %).
红树林在防止海岸侵蚀、减轻波浪作用的影响以及保护沿海栖息地和邻近的海岸线土地用途免受极端海岸事件的影响方面具有重要作用,已在全球得到认可。然而,由于人口的快速增长、集约化养殖以及清化省Hau Loc和Nga Son地区强风暴强度的增加,这些功能正受到严重威胁。本研究利用2005年至2018年的Landsat和Sentinel图像监测红树林面积的时空变化。通过对非监督和监督分类方法以及植被指数的测试,选择最适合研究点的分类方法,量化红树林范围及其在选定年份的变化。结果表明,与植被指数和非监督分类相比,监督分类最适合于研究点。2005 - 2010年、2010 - 2015年和2015 - 2018年期间,红树林面积分别增加了7.5%、38.6%和47.8%。2005年至2018年期间,由于国家红树林恢复和恢复计划,红树林面积增加了278.0公顷(123.0%)。
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引用次数: 13
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Forest and Society
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