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Stoichiometric Characteristics of Leaf Nutrients in Karst Plant Species During Natural Restoration in Maolan National Nature Reserve, Guizhou, China 贵州茂兰国家级自然保护区喀斯特植物自然恢复过程中叶片营养成分的化学计量特征
IF 1.6 4区 农林科学 Q3 FORESTRY Pub Date : 2021-07-14 DOI: 10.1080/10549811.2021.1948868
Peng-fei Wu, Hua Zhou, Yingxin Cui, Wen-Jun Zhao, Yi-Ju Hou, Jun-Qiu Zhu, Fang-jun Ding
ABSTRACT The cycling process of carbon (C), nitrogen (N), phosphorus (P), and potassium (K) elements plays a crucial role in ecosystem functions of karst forests. The leaf stoichiometry characteristics in four successional stages are studied in a karst area, southwest China. The N and P contents in each successional stage are generally higher in the growth phase (May–June 2016) than in the senescence phase (October–November 2015) but there are lower N: P ratios in the growth phase than in the senescence phase, showing a clear seasonal controls and coinciding with the Growth Rate Hypothesis. In the growth phase, the phytocommunity is mainly limited by the N content. In the senescence phase, all communities from the early successional stage to the mid successional stage are prone to N limitation but they are significantly affected by a combination of N, P, and K from the late successional stage to the climax successional stage and the P limitation are stronger in the climax successional stage. The specific leaf area is the most important impact factor to leaf stoichiometric characteristics at each successional stage. These results indicate that nitrogen addition in growth stage may promote vegetation restoration and karst forest ecosystem stability.
碳(C)、氮(N)、磷(P)和钾(K)元素的循环过程在喀斯特森林的生态系统功能中起着至关重要的作用。对西南岩溶地区4个演替阶段的叶片化学计量特征进行了研究。生长期(2016年5月至6月)各演替阶段的氮磷含量通常高于衰老期(2015年10月至11月),但生长期的氮磷比低于衰老期,显示出明显的季节控制,符合生长率假说。在生长阶段,植物群落主要受氮含量的限制。在衰老阶段,从演替早期到演替中期的所有群落都容易受到N、P和K组合的影响,但从演替后期到演替高潮阶段,它们受到N、P和K组合显著的影响,并且在演替高潮阶段P限制更强。在每个演替阶段,比叶面积是影响叶片化学计量特性的最重要因素。这些结果表明,在生长阶段添加氮可以促进植被恢复和喀斯特森林生态系统的稳定。
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引用次数: 5
Dual Governance and the Shadow of State Authority: Co-Management Realities in Rema-Kalenga Protected Area of Bangladesh 双重治理与国家权力的阴影:孟加拉国雷马-卡伦加保护区的共同管理现实
IF 1.6 4区 农林科学 Q3 FORESTRY Pub Date : 2021-07-05 DOI: 10.1080/10549811.2021.1941121
S. Subroto, Conny Davidsen, A. Rashid, M. Cuadra
ABSTRACT Forest co-management models between local communities and the state have gained considerable attention over the past two decades to reconcile ecological conservation with sustainable livelihoods of local communities. Grounded in an exploratory qualitative methodological focus, this study examines how forest co-management realities have fared vis-à-vis continued asymmetrical power relationships between communities and the state in Bangladesh’s top-down forest governance system, specifically de facto forest governance structures in the case of Rema-Kalenga Wildlife Sanctuary and its larger landscape zone. Rema-Kalenga’s regional forest actors have been struggling to develop a shared understanding regarding the goals and distribution of power in protected area co-management. The study points toward two developments: First, a low realized level of devolution as Rema-Kalenga’s co-management institutions operate as mere unpaid “helpers” under the shadow of the state’s centralized top-down governance in the Wildlife Sanctuary. Second, this study found signs of emerging dual governance in which local co-management institutions have created their own spaces of engagement and de facto influence in the larger Rema-Kalenga landscape zone, while significantly lacking active involvement in the core zone. Connections between these two spheres are sporadic, hampering ecosystem-approaches in Rema-Kalenga, and questioning the cohesiveness of co-management purposes in the studied area.
摘要在过去的二十年里,地方社区和国家之间的森林共同管理模式得到了相当大的关注,以协调生态保护和地方社区的可持续生计。本研究以探索性的定性方法论为重点,考察了在孟加拉国自上而下的森林治理体系中,社区和国家之间持续存在的不对称权力关系,特别是雷马卡伦加野生动物保护区及其更大景观区的事实上的森林治理结构,对森林共同管理现实的影响。Rema Kalenga的区域森林行为者一直在努力就保护区共同管理的目标和权力分配达成共识。该研究指出了两个方面的发展:首先,由于Rema Kalenga的共同管理机构在国家自上而下的野生动物保护区集中治理的阴影下,只是无偿的“帮手”,权力下放的实现水平很低。其次,这项研究发现了新出现的双重治理的迹象,即地方共同管理机构在更大的Rema Kalenga景观区创造了自己的参与空间和事实上的影响力,而在核心区明显缺乏积极参与。这两个领域之间的联系是零星的,阻碍了Rema Kalenga的生态系统方法,并质疑了研究区域共同管理目的的凝聚力。
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引用次数: 2
Research progress of forest ecological quality assessment methods 森林生态质量评价方法研究进展
IF 1.6 4区 农林科学 Q3 FORESTRY Pub Date : 2021-07-01 DOI: 10.24294/sf.v4i2.1606
Haoshuang Han, R. Wan
Forests have ecological functions in water conservation, climate regulation, environmental purification, soil and water conservation, biodiversity protection and so on. Carrying out forest ecological quality assessment is of great significance to understand the global carbon cycle, energy cycle and climate change. Based on the introduction of the concept and research methods of forest ecological quality, this paper analyzes and summarizes the evaluation of forest ecological quality from three comprehensive indicators: forest biomass, forest productivity and forest structure. This paper focuses on the construction of evaluation index system, the acquisition of evaluation data and the estimation of key ecological parameters, discusses the main problems existing in the current forest ecological quality evaluation, and looks forward to its development prospects, including the unified standardization of evaluation indexes, high-quality data, the impact of forest living environment, the acquisition of forest level from multi-source remote sensing data, the application of vertical structural parameters and the interaction between forest ecological quality and ecological function.
森林具有涵养水源、调节气候、净化环境、保持水土、保护生物多样性等生态功能。开展森林生态质量评价对了解全球碳循环、能源循环和气候变化具有重要意义。在介绍森林生态质量概念和研究方法的基础上,从森林生物量、森林生产力和森林结构三个综合指标对森林生态质量的评价进行了分析和总结。本文从评价指标体系的构建、评价数据的获取和关键生态参数的估算等方面入手,探讨了当前森林生态质量评价中存在的主要问题,并展望了其发展前景,包括评价指标的统一标准化、高质量的数据、森林生存环境的影响、多源遥感数据获取森林水平、垂直结构参数的应用及森林生态质量与生态功能的相互作用。
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引用次数: 0
Growth Assessment of Tree Species Growing in the Amhara Region in Ethiopia 埃塞俄比亚阿姆哈拉地区树种生长评价
IF 1.6 4区 农林科学 Q3 FORESTRY Pub Date : 2021-07-01 DOI: 10.1080/10549811.2021.1944880
B. Yosef, H. Hasenauer, E. Pötzelsberger
ABSTRACT Ethiopian mixed forests have multipurpose benefits and services. However, there is a gap of information in the entire Ethiopian highlands on forest growth needed for implementation of sustainable forest management and provision of ecosystem services. Therefore, main aim of this study was to identify main factors deriving tree growth in forest and woodland in Amhara Regional State of Ethiopia and to provide an individual tree basal area increment (BAI) model based on increment cores. The data came from 170 sampling plots in study area and cover 51 tree species. For each tree species, diameter at breast height (DBH), height, increment core measurement, tree location, and distance from subject tree measurements were recorded. Because of large number of trees species, it is difficult to develop growth functions for each individual tree species. Thus, classification of species groups provided a framework to organize information that differs between vegetation types. Our classification resulted in three groups. For each tree species group, an individual tree BAI model was calibrated. The tree species group of BAI differs by DBH class. The response to BAI depends on competitive condition of a tree. This growth model can be used to predict tree growth for Ethiopian mixed-species forests.
埃塞俄比亚混交林具有多种用途的效益和服务。但是,在整个埃塞俄比亚高地,关于实施可持续森林管理和提供生态系统服务所需的森林生长情况的资料还很缺乏。因此,本研究的主要目的是确定埃塞俄比亚阿姆哈拉地区森林和林地树木生长的主要影响因素,并提供基于增量核心的单株树木基础面积增量(BAI)模型。数据来自研究区170个样地,覆盖51个树种。记录每个树种胸径(DBH)、高度、增量核心测量值、树木位置以及与被测树木的距离。由于树种数量众多,很难确定每个树种的生长函数。因此,物种群的分类提供了一个框架来组织不同植被类型之间的信息。我们的分类结果是三组。对于每个树种组,校准了单个树的BAI模型。不同胸径级的BAI树种群不同。对BAI的响应取决于树的竞争条件。该生长模型可用于预测埃塞俄比亚混交林的树木生长。
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引用次数: 0
Forest-Based Ecotourism in Sri Lanka: A Review on State of Governance, Livelihoods, and Forest Conservation Outcomes 斯里兰卡的森林生态旅游:治理状况、生计和森林保护成果综述
IF 1.6 4区 农林科学 Q3 FORESTRY Pub Date : 2021-06-30 DOI: 10.1080/10549811.2021.1943450
M. Zoysa
ABSTRACT Forest-based ecotourism in global perspective is managed by various stakeholders while promoting sustainable forest management. This review article attempts to identify forest-based ecotourism destinations in Sri Lanka, analyze the experiences of good governance, and evaluate local livelihoods and forest conservation outcomes. Within the diverse landscapes, national park and sanctuaries, rain forest trails, conservation forest trials, wetland sanctuaries, and indigenous operated ecotourism ventures are identified as the appropriate destinations. The experiences of good governance are discussed in terms of structure and integration, involvement and management, accountability practices, and culture of transparency. The enrichment of the local livelihoods is evaluated based on natural, physical, social, financial, and human capital development. The natural resource conservation activities prevention of deforestation and forest degradation, preservation of biological diversity, improvement of long-term production capacity of ecosystems, and wise management of natural resources are elaborated through local community outcomes, visitor outcomes, natural biophysical environment outcomes, wildlife outcomes, and organizational outcomes. Resource exploitation, gene piracy, wildlife crimes, and trade of protected flora and fauna have been examined as the bad side of the ecotourism. The policies suggested for sustainable development are conceptualization of ecotourism, community-based ecotourism, scientific and systematic process, and appropriate code of ethics and conduct.
全球视野下的森林生态旅游是在促进森林可持续管理的同时,由各利益相关者共同管理的。这篇综述文章试图确定斯里兰卡以森林为基础的生态旅游目的地,分析良好治理的经验,并评估当地生计和森林保护成果。在不同的景观中,国家公园和保护区、雨林小径、保护森林试验、湿地保护区和土著经营的生态旅游企业被确定为适当的目的地。从结构和整合、参与和管理、问责做法和透明文化等方面讨论了善治的经验。当地生计的丰富性是根据自然、物质、社会、金融和人力资本发展来评估的。自然资源保护活动通过当地社区成果、游客成果、自然生物物理环境成果、野生动物成果和组织成果,阐述了防止森林砍伐和森林退化、保护生物多样性、提高生态系统长期生产能力和自然资源的明智管理。资源开发、基因盗版、野生动物犯罪和保护动植物贸易被认为是生态旅游的弊端。可持续发展的政策建议是生态旅游的概念化,社区生态旅游,科学和系统的过程,以及适当的道德和行为准则。
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引用次数: 15
Impact of Community Based Conservation Associations on Forest Ecosystem Services and Household Income: Evidence from Nzoia Basin in Kenya 基于社区的保护协会对森林生态系统服务和家庭收入的影响:来自肯尼亚Nzoia盆地的证据
IF 1.6 4区 农林科学 Q3 FORESTRY Pub Date : 2021-06-30 DOI: 10.1080/10549811.2021.1944877
C. Lambini, Trung-Thanh Nguyen
ABSTRACT Increasing the supply of forest ecosystem services in the tropics is on the agenda of most developing countries’ forest policies and most importantly in Kenya which is a low forest cover country. Evidence from past empirical impact assessments show numerous limitations in these assessments such as complexities within local forest communities and challenges in accessing relevant ecosystem services and household income data for impact assessments. This paper attempts to address some of these limitations by estimating joint ecosystem services and household livelihood outcomes at the same time. A survey protocol was designed, pre-tested and implemented with 370 households in two (2) out of the ten (10) forest ecological conservancies in Kenya and with secondary data on selected ecosystem services outcomes. Propensity score matching estimates of the treatment effects of the treated from participation in conservation association show a significant income loss (−57600.11) for households participating in a conservation association with a positive effect on erosion control (3.49) and biodiversity conservation outcomes (0.071) in the Nzoia catchment area. The paper concludes recommending the introduction of a payment scheme with CBCAs household members in reforestation and afforestation programs in the Basin.
增加热带地区森林生态系统服务的供应是大多数发展中国家森林政策的议程,尤其是在肯尼亚这个森林覆盖率低的国家。过去经验性影响评估的证据表明,这些评估存在许多局限性,例如当地森林群落内部的复杂性,以及在获取相关生态系统服务和家庭收入数据进行影响评估方面存在挑战。本文试图通过同时估算生态系统服务和家庭生计结果来解决其中的一些局限性。在肯尼亚十(10)个森林生态保护区内的两个(2)个的370个家庭中设计、预先测试和实施了一项调查方案,并提供了关于选定生态系统服务结果的次要数据。在Nzoia流域,参与保护协会所产生的处理效果的倾向得分匹配估计显示,参与保护协会的家庭在侵蚀控制(3.49)和生物多样性保护结果(0.071)方面具有显著的收入损失(- 57600.11)。论文最后建议在流域的再造林和造林项目中引入cbca家庭成员支付方案。
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引用次数: 1
Examining the Link between the Theory of Planned Behavior and Bushmeat Consumption in Ghana 考察计划行为理论与加纳丛林肉消费之间的联系
IF 1.6 4区 农林科学 Q3 FORESTRY Pub Date : 2021-06-28 DOI: 10.1080/10549811.2021.1944881
R. Bannor, H. Oppong-Kyeremeh, John K. M. Kuwornu
ABSTRACT The study explored consumer segments in the bushmeat market and examined the influence of the constructs of the Theory of Planned Behavior and demographic characteristics on the consumption of bushmeat in Ghana using data obtained from 400 respondents across the three main ecological zones of Ghana, namely, the High Forest Zone, the Transitional Zone and the Savannah Zone. The Cragg’s Double Hurdle model was used to examine the influence of the constructs of the Theory of Planned Behavior on bushmeat consumption, and cluster analysis was used to examine the consumer segments. The results revealed that various factors relating to the Theory of Planned Behavior influenced bushmeat consumption and the quantity consumed differently. Specifically, the fear of contracting diseases and poisoning, nutrition, taste, the type of job of an individual and the availability of bushmeat positively influenced the consumption of bushmeat. In contrast, religion and price influenced bushmeat consumption negatively. Whereas the fear of disease influences the quantity consumed negatively, the nutrition value of bushmeat and chop bar as the source ofbushmeat positively influenced the quantity consumed. Age negatively influenced the decision to consume bush meat, whereas household size influenced the decision positively.
摘要本研究探讨了丛林肉市场的消费者群体,并利用从加纳三个主要生态区(即高森林区、过渡区和萨凡纳区)的400名受访者中获得的数据,考察了计划行为理论和人口特征的构建对加纳丛林肉消费的影响。Cragg的双栏模型用于检验计划行为理论的结构对丛林肉消费的影响,聚类分析用于检验消费者细分。结果表明,与计划行为理论相关的各种因素对丛林肉的消费量和消费量的影响不同。具体而言,对感染疾病和中毒的恐惧、营养、口味、个人的工作类型以及丛林肉的供应对丛林肉的消费产生了积极影响。相比之下,宗教和价格对丛林肉的消费产生了负面影响。对疾病的恐惧对食用量有负面影响,而作为布什肉来源的布什肉和排骨的营养价值对食用量则有正面影响。年龄对食用灌木肉的决定有负面影响,而家庭规模对决定有正面影响。
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引用次数: 3
Institutional Pluralistic Governance: A Case Study of A Research–Action in the Context of the Redd+ 制度多元治理:雷德背景下的研究与行动个案研究+
IF 1.6 4区 农林科学 Q3 FORESTRY Pub Date : 2021-06-21 DOI: 10.1080/10549811.2021.1941122
Chtioui Rim Bouhafa, Bousnina Zohra
ABSTRACT REDD+ as a mitigation mechanism requires the engagement of various actors within a paradoxical institutional logic. Tunisia’s commitment to the UN-REDD Program represents an opportunity to reduce its GHG emissions, but also to ensure sustainable forest management, especially as the country is considered to be one of the most vulnerable to climate change in the Mediterranean. Tunisia mostly possesses dry forests, on which some 10% of the poor population in the country depends. Taking into account both the complexity/hybridity of REDD+, the purpose of this article is to explore co-creating social value practices in the case of REDD+ pluralistic governance from the point of view of 1) appropriation/engagement of the local population/stakeholders, and 2) adaptability. Based on a Research–Action (RA) for almost a year (from May 2015- to March 2016), the findings of this study highlight that REDD+ adaptability depends on the transformative activities and the engaging critical reflexive through a collective learning process. Our main contribution is to showcase the interest of the RA process in the conceptualization of REDD+ pluralistic governance such as a sense-making process, by offering new practices co-creators of social value, based on translation, negotiation, active engagement, and multi-actor appropriation.
REDD+作为一种缓解机制,需要在矛盾的制度逻辑中参与各种行动者。突尼斯对联合国redd计划的承诺是减少温室气体排放的机会,也是确保可持续森林管理的机会,特别是因为突尼斯被认为是地中海地区最容易受到气候变化影响的国家之一。突尼斯大部分地区拥有干燥的森林,该国约10%的贫困人口依靠干燥的森林为生。考虑到REDD+的复杂性/混合性,本文的目的是从1)当地居民/利益相关者的挪用/参与,以及2)适应性的角度,探讨REDD+多元治理下共同创造社会价值的实践。基于近一年(2015年5月至2016年3月)的研究行动(RA),本研究的结果强调了REDD+适应性取决于通过集体学习过程进行的变革活动和参与批判性反思。我们的主要贡献是展示RA过程对REDD+多元治理概念化的兴趣,比如一个意义制定过程,通过提供基于翻译、谈判、积极参与和多参与者挪用的社会价值的共同创造者的新实践。
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引用次数: 2
Local Level Forest Governance and Conservation Outcomes in a Co-managed Protected Area of Bangladesh 孟加拉国一个共同管理保护区的地方一级森林治理和保护成果
IF 1.6 4区 农林科学 Q3 FORESTRY Pub Date : 2021-06-17 DOI: 10.1080/10549811.2021.1933536
M. Jashimuddin, K. Islam, T. Nath
ABSTRACT Co-management of forest protected areas (PA) is considered as a viable option to improve the local-level forest governance. This study examined the state of local-level forest governance in Chunati wildlife sanctuary (CWS), a co-managed PA in south-eastern Bangladesh. Data on eight key principles of governance and forest conservation outcomes were collected by interviewing randomly selected non-state actors (n = 39) and state actors (n = 10) and four focus group discussions with the forest-dependent communities. We conducted a t-test to compare respondents’ perceptions regarding key governance principles and conservation outcomes. Results revealed that co-management governance in CWS assisted to improve the quality of forests in terms of tree and wildlife diversity, while illicit felling and land encroachment had reduced. Respondents’ overall perception on key governance principles showed a moderate-to-high score (mean 3.33 out of 5.00). Regarding forest conservation outcomes, the score was also moderate to high (mean 3.72 out of 5.00). Non-state actors showed fairly higher perception on overall key governance principles and conservation outcomes, while state actors (non-forestry officials) reported lower scores. Findings of this study would be useful to reshape the co-management policies that ensure good governance at local-level management of PA in Bangladesh and elsewhere.
摘要森林保护区共同管理被认为是改善地方森林治理的可行选择。本研究调查了孟加拉国东南部共同管理的保护区Chunati野生动物保护区(CWS)的地方一级森林治理状况。通过对随机选择的非国家行为者(n = 39)和国家行为者(n = 10)进行访谈,以及与依赖森林的社区进行四次焦点小组讨论,收集了关于八项关键治理原则和森林保护成果的数据。我们进行了t检验,以比较受访者对关键治理原则和保护结果的看法。结果表明,协同治理有助于提高CWS森林的树木和野生动物多样性质量,同时减少了非法砍伐和土地侵占。受访者对关键治理原则的总体看法显示出中高的得分(平均3.33分,满分5.00分)。在森林保护结果方面,得分也从中等到较高(平均3.72分,满分5.00分)。非国家行为体对整体关键治理原则和保护成果的感知程度较高,而国家行为体(非林业官员)的得分较低。这项研究的结果将有助于重塑共同管理政策,以确保孟加拉国和其他地方在地方一级的PA管理中实现良好治理。
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引用次数: 4
Rules-in-use and Actors’ Interaction in a Community-Based Peatland Restoration Program in Peninsular Malaysia 马来西亚半岛基于社区的泥炭地恢复项目中的使用规则和参与者互动
IF 1.6 4区 农林科学 Q3 FORESTRY Pub Date : 2021-06-16 DOI: 10.1080/10549811.2021.1941123
Md.Jahangir Alam, N. Rengasamy, Mohd Puat Bin Dahalan, Sharina Abdul Halim, Y. Istihat, T. Nath
ABSTRACT This study aimed to explore peoples’ perception on rules-in-use and interaction among actors in a community-based peatland restoration program (CBPRP) in Raja Muja Forest Reserve (RMFR) of peninsular Malaysia. We followed Ostrom’s institutional analysis and development framework, and collected both qualitative and quantitative data through organizing a stakeholders’ workshop, 200 structured interviews, four focus group discussions and five key informants’ interviews. Local people claimed that there was significant decline in their rights to access forests (χ2 = 49.42, p = .001), extraction of forest resources (χ2 = 53.02, p = .001), recreational (χ2 = 10.32, p = .001) and agricultural uses (χ2 = 4.35, p = .05) due to change in governance regimes from state forest management toward CBPRP. However, CBPRP introduced several social development programs for local community. This study identified 44 actors under seven categories, and only two actors (Selangor State Forestry Department and Global Environment Center, an NGO) played significant roles in decision-making process and interacted with other actors in peatland restoration actions. Community people had only participated in the implementation of rehabilitation actions. In order to sustain community development and sustainable management of RMFR, we suggest to reform multi-stakeholder governance structure that ensures active participation of local community people.
摘要本研究旨在探讨人们对马来西亚半岛Raja Muja森林保护区(RMFR)基于社区的泥炭地恢复计划(CBPRP)中参与者之间使用和互动规则的看法。我们遵循Ostrom的制度分析和发展框架,通过组织一次利益相关者研讨会、200次结构化访谈、四次焦点小组讨论和五次关键信息者访谈,收集了定性和定量数据。当地人声称,由于从国家森林管理向CBPRP转变的治理制度,他们获得森林的权利(χ2=49.42,p=0.001)、森林资源的开采权(χ2=53.02,p=0.001。然而,CBPRP为当地社区推出了几个社会发展项目。这项研究确定了七类44个参与者,只有两个参与者(雪兰莪州林业部和非政府组织全球环境中心)在决策过程中发挥了重要作用,并在泥炭地恢复行动中与其他参与者互动。社区人民只参与了康复行动的实施。为了维持社区发展和RMFR的可持续管理,我们建议改革多方利益相关者的治理结构,确保当地社区人民的积极参与。
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引用次数: 2
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Journal of Sustainable Forestry
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