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Modeling Soil Carbon Stocks in Morobe Province, PNG 巴布亚新几内亚莫罗贝省土壤碳储量建模
IF 0.8 Q3 EDUCATION & EDUCATIONAL RESEARCH Pub Date : 2021-02-05 DOI: 10.1525/cse.2021.1426687
L. Moripi
This study was done to develop a best fit model for soil carbon distribution to 1-m depth in Papua New Guinea’s Morobe Province using multiple linear regression (MLR) technique on environmental variables elevation, slope, aspect, normalized difference vegetative index, mean annual temperature (MAT) and mean annual precipitation (MAP) using SPSS and ArcGis 10 software. Descriptive, correlation and MLR analyses were performed, and the data revealed that elevation and MAT were skewed. Slope and elevation were significantly negatively correlated to soil carbon distribution (R = −.725 at p < .05; R = −.862 at p < .01), while MAT was significantly positively correlated to the soil carbon distribution (R = .906 at p < .01). Three models developed from MLR analysis revealed that Model 2 (adjusted R2 = .987 at p < .05) and Model 3 (adjusted R2 = .990 at p < .05) were both significant, hence Model 2 developed Equation (3), whereas Model 3 developed Equation (4). Prediction accuracy of the two equations revealed that Equation (3) (root mean square error [RMSE] = 2.597) performed better than Equation (4) (RMSE = 2.764), hence Equation (3) was the best fit model that developed the predicted map of soil carbon distribution (Model 1 predicted approximately 271 t/ha). This study shows that environmental variables can be used to predict soil carbon distribution. However, the limited number of sites (n = 8) could have greatly affected the model development exercise (e.g., the surprising positive correlation of soil carbon with MAT) and consequently the accuracy of the prediction map.
本研究利用SPSS和ArcGis 10软件,对海拔、坡度、坡向、归一化差异植被指数、年平均气温(MAT)和年平均降水量(MAP)等环境变量采用多元线性回归(MLR)技术,建立了巴布亚新几内亚莫罗贝省1m深度土壤碳分布的最佳拟合模型。进行了描述性、相关性和MLR分析,数据显示高程和MAT存在偏差。坡度和海拔与土壤碳分布呈显著负相关(R=−.725,p<.05;R=−.862,p<.01),而MAT与土壤碳分布显著正相关(R=.906,p<0.01)。MLR分析开发的三个模型显示,模型2(调整后的R2=.987,p<0.05)和模型3(调整后R2=.990,p<0.05)都很显著,因此模型2开发了方程(3),而模型3开发了公式(4)。两个方程的预测精度表明,方程(3)(均方根误差[RMSE]=2.597)比方程(4)(均方误差=2.764)表现更好,因此方程(3。这项研究表明,环境变量可以用来预测土壤碳分布。然而,有限的站点数量(n=8)可能会极大地影响模型开发工作(例如,土壤碳与MAT惊人的正相关性),从而影响预测图的准确性。
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引用次数: 0
Realizing the Opportunities of REDD+ 实现REDD+的机遇
IF 0.8 Q3 EDUCATION & EDUCATIONAL RESEARCH Pub Date : 2021-02-05 DOI: 10.1525/cse.2021.1448736
June Mandawali, D. Wadley, R. Turia
This article aims to identify and realize opportunities for Reducing Emissions from Deforestation and Forest Degradation (REDD) through consideration of gender issues during the development and implementation of Papua New Guinea’s first National Forest Inventory (NFI). To improve the planning and management of forests, the agenda is to achieve sustainability of ecosystem services, uncover economic and social values, and contribute to combating climate change and biodiversity loss at the global level. In the context of the NFI, we canvass three thematic areas of forest practice which, in assimilating women’s roles, knowledge, and interests, promise a positive impact on economic efficiency and development. They are (1) women fostering the reduction of emissions from deforestation, forest degradation, and other management objectives, which include conservation, sustainable management of forests, and enhancement of forest carbon stocks or REDD+; (2) women and sustainable forest management; and (3) women in community forestry. The conclusion gauges the general role of women in forestry and summarizes future research directions, through policy recommendations, and technological and institutional interventions.
本文旨在通过在巴布亚新几内亚第一个国家森林清单(NFI)的制定和实施过程中考虑性别问题,确定和实现减少毁林和森林退化排放(REDD)的机会。为了改善森林的规划和管理,议程是实现生态系统服务的可持续性,揭示经济和社会价值,并在全球一级为应对气候变化和生物多样性丧失作出贡献。在国家森林基金的背景下,我们考察了森林实践的三个主题领域,通过吸收妇女的角色、知识和利益,有望对经济效率和发展产生积极影响。她们是(1)促进减少毁林、森林退化造成的排放和实现其他管理目标的妇女,这些目标包括森林的养护、可持续管理和增加森林碳储量或REDD+;(2)妇女与可持续森林管理;(3)社区林业中的妇女。结论评估了妇女在林业中的一般作用,并通过政策建议以及技术和机构干预措施总结了今后的研究方向。
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引用次数: 1
From Global to Local 从全球到本地
IF 0.8 Q3 EDUCATION & EDUCATIONAL RESEARCH Pub Date : 2021-02-05 DOI: 10.1525/cse.2021.1434919
G. Hill
The Autonomous Region of Bougainville, Papua New Guinea, conducted an independence referendum in 2019, which resulted in the region seeking a pathway to complete independence. One of the requirements in establishing independence is ensuring “good governance,” an important facet of which is establishing a stable and adequate food supply. This is framed globally as achieving Sustainable Development Goal Two (SDG #2) to end hunger and malnutrition. This article seeks to assess the measures that government and major donors have taken to implement SDG #2 in Bougainville using a pressure-state-response framework and desktop-based risk assessment to identify areas for further work. The investigation aims to identify effective policy focus areas in order to better implement SDG #2, namely, prioritising civil conflict avoidance, facilitating adaptation planning for climate regime shifts, and ensuring sustainable agricultural intensity and fisheries extraction. Based on these, recommendations for good governance include sustainable and equitable long-term interventions that reduce the risk of political disturbance and environmental degradation. As a result of engaging in this case, readers will be able to apply similar methodologies to inform development decisions in postconflict contexts. Bougainville faces similar challenges to many Pacific islands, including the impacts from climate change, food insecurity, conflict, population growth, and changing land tenure. This case can be extrapolated to these greater contexts.
巴布亚新几内亚布干维尔自治区于2019年举行了独立公投,促使该地区寻求完全独立的途径。建立独立的要求之一是确保“善治”,其中一个重要方面是建立稳定和充足的粮食供应。在全球范围内,这被定义为实现消除饥饿和营养不良的可持续发展目标2 (sdg# 2)。本文旨在通过压力-状态-响应框架和基于桌面的风险评估,评估政府和主要捐助者为在布干维尔落实可持续发展目标#2所采取的措施,以确定进一步工作的领域。调查旨在确定有效的政策重点领域,以更好地实施可持续发展目标#2,即优先考虑避免国内冲突,促进气候制度变化的适应规划,并确保可持续的农业强度和渔业开采。在此基础上,善治建议包括可持续和公平的长期干预措施,以减少政治动乱和环境退化的风险。参与本案例的结果是,读者将能够应用类似的方法,为冲突后环境中的发展决策提供信息。布干维尔岛面临着与许多太平洋岛屿类似的挑战,包括气候变化、粮食不安全、冲突、人口增长和土地权属变化的影响。这种情况可以外推到这些更大的背景下。
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引用次数: 1
Our Wastewater Footprint 我们的废水足迹
IF 0.8 Q3 EDUCATION & EDUCATIONAL RESEARCH Pub Date : 2021-02-05 DOI: 10.1525/cse.2021.1425563
Toni M. Groet, Elizabeth E. Hieb, Elizabeth S. Darrow, R. Carmichael
Collaboration among scientists and stakeholders is increasingly valued in research to coproduce knowledge and research products that better inform decision making and enact meaningful change. We present an example of effective coproduction of knowledge to protect water quality along the Mississippi–Alabama coast using a comprehensive approach that tracked progress from initial research through product assessment. We coproduced an education and decision support tool known as “Our Wastewater Footprint” and engaged communities through a variety of public outreach efforts, adapting the product to meet the needs of individual end users. We assessed the effectiveness of our efforts by tracking attendance at outreach activities, measuring website traffic, and collecting survey data from end users after product use. Data from >9,900 users indicated that presentations at community events and print and social media posts most efficiently reached large audiences using limited resources, and social media posts were most effective in promoting changes in behavior and attitudes on a social level. This case study exemplifies how involving stakeholders in research and product development can increase community engagement in stewardship and prompt change to enhance water quality. Our results tangibly demonstrate that meaningful assessment of the administrative and social impacts of coproduced knowledge is feasible and can be accomplished in a short period of time.
科学家和利益相关者之间的合作在研究中越来越受到重视,以共同开发知识和研究产品,更好地为决策提供信息并实施有意义的变革。我们展示了一个有效合作生产知识的例子,以保护密西西比州-阿拉巴马州海岸的水质,使用一种全面的方法,跟踪从初始研究到产品评估的进展。我们共同制作了一个名为“我们的废水足迹”的教育和决策支持工具,并通过各种公共宣传活动让社区参与进来,调整产品以满足个人最终用户的需求。我们通过跟踪外展活动的参与情况、测量网站流量以及在产品使用后收集最终用户的调查数据来评估我们的努力的有效性。来自9900多名用户的数据表明,社区活动中的演示以及印刷品和社交媒体帖子使用有限的资源最有效地接触到大量受众,社交媒体帖子在促进社会层面行为和态度的改变方面最有效。本案例研究举例说明了利益相关者参与研究和产品开发如何提高社区对管理的参与度,并促使变革以提高水质。我们的研究结果有力地表明,对共同生产的知识的行政和社会影响进行有意义的评估是可行的,并且可以在短时间内完成。
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引用次数: 0
An Urban Drought Reserve Enabled by State Groundwater Recharge Legislation 国家地下水补给立法使城市干旱储备得以实现
IF 0.8 Q3 EDUCATION & EDUCATIONAL RESEARCH Pub Date : 2021-02-05 DOI: 10.1525/CSE.2021.1231702
K. Miller, M. Burson, M. Kiparsky
For decades, the city of Albuquerque, NM, relied solely on groundwater for its municipal water supply. However, concerns about long-term sustainability of its local groundwater resources spurred the Albuquerque Bernalillo County Water Utility Authority (the Water Authority) to pursue a groundwater recharge project which could serve as a drought reserve for future municipal use. Aided by new favorable state groundwater recharge legislation and funding, the Water Authority developed the Bear Canyon Recharge Project. The project utilizes portions of the Water Authority’s Colorado River water that is unused in a given year, delivering the water to an unlined arroyo channel where it infiltrates into local aquifers. As the first groundwater recharge project successfully implemented in New Mexico, the Bear Canyon Recharge Project required significant local effort to navigate the institutional and regulatory necessities that arose in implementing an onstream recharge project. The project illustrates that state support can be necessary but not sufficient for local implementation of groundwater recharge and points the way for other water utilities in the state who may be looking to implement groundwater recharge projects.
几十年来,新墨西哥州阿尔伯克基市的市政供水完全依赖地下水。然而,对当地地下水资源长期可持续性的担忧促使阿尔伯克基-贝纳利洛县水务局(水务局)寻求一个地下水补给项目,该项目可以作为未来市政使用的干旱保护区。在新的有利的州地下水补给立法和资金的帮助下,水务局开发了熊峡谷补给项目。该项目利用了水务局科罗拉多河在特定年份未使用的部分水,将水输送到一个无衬砌的arroyo通道,在那里渗入当地含水层。作为新墨西哥州成功实施的第一个地下水补给项目,Bear Canyon补给项目需要当地做出重大努力,以应对实施投产补给项目所产生的制度和监管需求。该项目表明,国家支持可能是必要的,但不足以在当地实施地下水补给,并为该州其他可能寻求实施地下水补给项目的供水公司指明了道路。
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引用次数: 3
Coastal Flood Responses in Manila Bay, the Philippines 菲律宾马尼拉湾的海岸洪水响应
IF 0.8 Q3 EDUCATION & EDUCATIONAL RESEARCH Pub Date : 2021-02-05 DOI: 10.1525/cse.2021.1438458
D. Fauzi
In 2011, Sitio Pariahan in the northern part of Metro Manila, the Philippines’ capital region, was submerged after Typhoon Nesat hit the country. In fact, Sitio Pariahan is not the only one. Many parts of Manila Bay have slowly been sinking, causing the populations to be prone to coastal floods. According to the existing studies, coastal floods in Manila Bay areas are caused by climate-induced sea-level rise and land subsidence due to the excessive groundwater extraction and rapid urban development. However, it appears that the policies implemented by the government tend to be infrastructural, for example, dike construction, which could provide immediate protection but do not really solve the problem. This case study, therefore, presents a detailed account of coastal flooding in Manila Bay, particularly on its causes and policy options to address it. More specifically, it introduces the application of social contract to understand how the terms and conditions governing the state-citizens relations in the Philippines affect government’s rationale in choosing policy options to solve the coastal flood problem.
2011年,台风“纳沙”袭击菲律宾后,菲律宾首都马尼拉大都会北部的Sitio Pariahan被淹没。事实上,帕里亚汉并不是唯一这样做的人。马尼拉湾的许多地方都在慢慢下沉,导致人们容易受到沿海洪水的影响。根据现有研究,马尼拉湾地区的沿海洪水是由于过度开采地下水和城市快速发展导致的气候引起的海平面上升和地面沉降造成的。然而,政府实施的政策似乎倾向于基础设施,例如筑堤,这可以提供立即的保护,但并不能真正解决问题。因此,本案例研究详细介绍了马尼拉湾沿海洪水,特别是其原因和解决这一问题的政策选择。更具体地说,它引入了社会契约的应用,以了解管理菲律宾国家-公民关系的条款和条件如何影响政府选择解决沿海洪水问题的政策选择的基本原理。
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引用次数: 0
Stakeholders and Invasive Asian Carp in the Great Lakes 利益相关者与五大湖入侵的亚洲鲤鱼
IF 0.8 Q3 EDUCATION & EDUCATIONAL RESEARCH Pub Date : 2021-02-05 DOI: 10.1525/CSE.2021.1422170
Shannon Orr
Asian carp were introduced in the 1970s as an environmentally friendly alternative to chemicals for cleaning aquaculture ponds. The carp escaped from their ponds and entered the Mississippi River system, leaving behind a path of destruction. Now, they are just a few miles away from the Great Lakes where they pose a threat to the billion-dollar fishing industry. One of the challenges in dealing with the problem is the diverse array of stakeholders involved who all have very different perspectives, concerns, and ideas about this policy problem. This case study demonstrates the challenges of stakeholder management in public policy and gives readers an analytical framework for thinking about stakeholder interests.
亚洲鲤鱼于20世纪70年代被引入,作为清洁水产养殖池塘的化学品的一种环保替代品。鲤鱼从池塘中逃脱,进入密西西比河水系,留下了一条毁灭之路。现在,它们距离五大湖只有几英里,在那里它们对价值数十亿美元的渔业构成了威胁。处理这一问题的挑战之一是涉及的利益相关者各不相同,他们对这一政策问题都有非常不同的看法、关切和想法。本案例研究展示了公共政策中利益相关者管理的挑战,并为读者提供了思考利益相关者利益的分析框架。
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引用次数: 0
Incentivizing Groundwater Recharge in the Pajaro Valley Through Recharge Net Metering (ReNeM) 通过补给净计量(ReNeM)激励帕加罗河谷地下水补给
IF 0.8 Q3 EDUCATION & EDUCATIONAL RESEARCH Pub Date : 2021-02-05 DOI: 10.1525/CSE.2021.1222393
K. Miller, A. Fisher, M. Kiparsky
Decades of groundwater overuse in the Pajaro Valley have contributed to an estimated groundwater overdraft of 12,100 acre-feet per year (AFY) in the basin. In response, the Pajaro Valley Water Management Agency adopted a pilot groundwater recharge program, called Recharge Net Metering (ReNeM). ReNeM encourages development of infiltration projects on private or public land by offering a rebate on groundwater pumping fees based on the net increase in infiltration. The rebate uses the following equation: Rebate = W50x (Inftot − Infinc), where Infinc is the incidental infiltration that would have occurred without the project, Inftot is total measured infiltration, and W50 represents the proportion (50%) of the pumping fee assessed to the landowner based on location. The goal of Pajaro Valley’s ReNeM pilot program is to infiltrate 1,000 AFY to the aquifer by creating and operating infiltration projects at multiple sites. This effort will help reduce groundwater overdraft and associated undesirable consequences (seawater intrusion, disconnection with surface water, and degradation to water quality). This case study analyzes the local conditions and institutions that make the ReNeM pilot program feasible, including previously established groundwater pumping fees, metered wells, and the existence of third-party certifiers able to verify the results of project sites. The ReNeM pilot has enabled increased recharge by creating new incentives that have drawn PV Water, landowners, and tenant farmers to develop recharge projects. The ReNeM pilot is the first and thus far only application of this approach, but the methods used by ReNeM may have potential applicability elsewhere. This potential will hinge on whether the pilot can prove the effectiveness of the rebate scheme and demonstrate measurable benefits in the Pajaro Valley.
帕贾罗河谷数十年的地下水过度使用导致该流域每年地下水超采12100英亩英尺(AFY)。作为回应,帕杰罗河谷水管理局通过了一项名为“补给网计量”(ReNeM)的地下水补给试点计划。ReNeM鼓励在私人或公共土地上开发渗透项目,根据渗透的净增加提供地下水抽水费回扣。回扣使用以下公式:回扣=W50x(Inftot−Infinc),其中Infinc是在没有项目的情况下可能发生的偶然渗透,Inftot是测量的总渗透,W50代表根据位置向土地所有者评估的抽水费的比例(50%)。Pajaro Valley ReNeM试点项目的目标是通过在多个地点创建和运行渗透项目,将1000 AFY渗透到含水层。这项工作将有助于减少地下水超采和相关的不良后果(海水入侵、与地表水断开连接和水质退化)。本案例研究分析了使ReNeM试点项目可行的当地条件和机构,包括之前确定的地下水抽水费、计量井,以及能够验证项目现场结果的第三方认证机构的存在。ReNeM试点通过创造新的激励措施,吸引了光伏水务、土地所有者和佃农来开发充电项目,从而增加了充电。ReNeM试点是该方法的第一个也是迄今为止唯一的应用,但ReNeM使用的方法可能在其他地方具有潜在的适用性。这一潜力将取决于试点项目能否证明退税计划的有效性,并在帕贾罗山谷证明可衡量的效益。
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引用次数: 5
The Tapash Sustainable Forestry Collaborative Tapash可持续林业合作组织
IF 0.8 Q3 EDUCATION & EDUCATIONAL RESEARCH Pub Date : 2021-02-05 DOI: 10.1525/cse.2021.1425584
M. Adams, Samuel Blake, Joseph Braun, Yazmina Cardona, Thomas Collins, Jacob Dubay, Alexandria Elliott, Alessandro Epifanio, Hiyab Haile, Robert Irving, Thian Misner, Michelle Nowak, Alex Price, Ian Richey, Inna Slager, Kimberly J. Coleman
Collaborative planning is increasingly common in the context of natural resource management in the United States. However, there is no universal way to organize collaborative groups, and, subsequently, collaborative structures vary from collaborative group to collaborative group. In order to contribute to the growing knowledge base about the implications of different collaborative structures, we conducted a case study of the Tapash Sustainable Forestry Collaborative, a group located in Washington State that is focused on forest restoration. By analyzing interviews and archival data, we documented the organizational structure of the collaborative group and explored the outcomes of that structure in terms of trust and relationship. We illustrate how the structure of the Tapash Sustainable Forestry Collaborative led to both positive and negative outcomes and additionally describe the steps the group took to address the negative outcomes. Our findings will be useful for anyone considering how to structure their own collaborative group. It can also serve to as an example for scholars interested in the characteristics that support successful collaborative natural resource planning and management. Additionally, the case study provides readers with a background information about several content areas including public participation in forest plan and management, national-level legislation related to forest planning and management, trust and trust repair, adaptive governance, and adaptive management.
在美国,合作规划在自然资源管理方面越来越普遍。然而,组织协作组并没有通用的方法,因此,协作组之间的协作结构各不相同。为了帮助不断增长的关于不同合作结构影响的知识库,我们对Tapash可持续林业合作组织进行了案例研究,该组织位于华盛顿州,专注于森林恢复。通过分析访谈和档案数据,我们记录了协作小组的组织结构,并探讨了该结构在信任和关系方面的结果。我们展示了Tapash可持续林业合作组织的结构如何导致积极和消极的结果,并进一步描述了该组织为解决消极结果所采取的步骤。我们的研究结果对任何考虑如何构建自己的合作团队的人都很有用。它还可以作为对支持成功的合作自然资源规划和管理的特征感兴趣的学者的榜样。此外,该案例研究为读者提供了有关几个内容领域的背景信息,包括公众参与森林规划和管理、与森林规划和经营有关的国家一级立法、信任和信任修复、适应性治理和适应性管理。
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引用次数: 0
Values, Knowledge, and Rights Shaping Land Use in the Peruvian Amazon 秘鲁亚马逊地区形成土地利用的价值观、知识和权利
IF 0.8 Q3 EDUCATION & EDUCATIONAL RESEARCH Pub Date : 2021-01-13 DOI: 10.1525/CSE.2020.1234945.1
Mariaelena Huambachano, Lauren Cooper
In the midst of climate change, population growth, and global food crisis scenarios, efforts to succeed in Sustainable Land Management (SLM) implementation are under enormous pressure. To contextualize Indigenous experiences on nature valuation in light of sustainable development efforts, we explored how the traditional ecological knowledge (TEK) of two Indigenous communities interacted with major land policies with sustainability implications through an ethnographic and community-based participatory research approach. Data collection tools included talking circles, storytelling, unstructured interviews, and participant observation with Indigenous community members of Shimaa and Diamante to understand how two major land management policies intersect in SLM, Indigenous values, TEK, and rights in the Peruvian Amazon. In complementation with secondary literature assessing the focal policies, the empirical data analysis, through a lens of TEK, provides a deeper examination of Indigenous peoples’ ways of knowing. Research findings show that TEK of Indigenous peoples can support values of nature and shape the design and implementation of SLM policies by incorporating Indigenous peoples’ holistic values of nature (e.g., relational and intrinsic values) and methods for sustainable and equitable land management, with improved outcomes for communities. However, the TEK of Indigenous peoples, values of nature, and rights can be at odds with the Eurocentric-oriented SLM in terms of values placed on nature, and results in a disconnection between international and national policy goals with realities at the local levels. This study concludes that to fully realize the objectives of SLM, it is imperative for decision makers to recognize the TEK of Indigenous peoples rooted in a holistic understanding of the multiple values attributed to nature, which resonates with the notion of a plural approach to valuing nature. Further, methods should include land management practices that are beneficial for such communities and not strictly for the production of goods for societal consumption, however long it may be sustained into the future. Such a management scheme would value ecologic stability, community resilience, and a wide range of human-nature values while still recognizing development needs.
在气候变化、人口增长和全球粮食危机的背景下,成功实施可持续土地管理(SLM)的努力面临巨大压力。为了在可持续发展的背景下分析土著在自然价值评估方面的经验,我们通过民族志和社区参与式研究方法,探讨了两个土著社区的传统生态知识如何与具有可持续性影响的主要土地政策相互作用。数据收集工具包括谈话圈、讲故事、非结构化访谈以及对Shimaa和Diamante土著社区成员的参与性观察,以了解两项主要土地管理政策在秘鲁亚马逊地区的土地资源管理、土著价值观、TEK和权利方面是如何交叉的。与评估重点政策的二手文献相辅相成,通过TEK的视角进行实证数据分析,对土著人民的认知方式进行了更深入的考察。研究结果表明,通过将土著人民的整体自然价值(如关系价值和内在价值)与可持续和公平的土地管理方法结合起来,土著人民的生态技术可以支持自然价值,并影响土地管理政策的设计和实施,从而改善社区的成果。然而,土著人民的价值观、自然价值观和权利在自然价值观方面可能与以欧洲为中心的SLM不一致,并导致国际和国家政策目标与地方层面的现实脱节。本研究的结论是,为了充分实现SLM的目标,决策者必须认识到土著人民的TEK根植于对归因于自然的多重价值的整体理解,这与重视自然的多元方法的概念产生共鸣。此外,方法应包括有利于这些社区的土地管理做法,而不是严格地生产供社会消费的商品,无论这种商品可以持续到未来多久。这样的管理方案将重视生态稳定性、社区恢复力和广泛的人类-自然价值,同时仍然认识到发展需要。
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引用次数: 5
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