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Sustainable natural resource management must recognise community diversity 可持续的自然资源管理必须承认社区多样性
IF 5.6 3区 环境科学与生态学 Q1 ECOLOGY Pub Date : 2023-03-19 DOI: 10.1080/13504509.2023.2192006
A. J. Hamza, L. Esteves, Marin Cvitanović, J. Kairo
ABSTRACT Deforestation and overexploitation of mangrove forests are affecting the livelihoods of millions of families that rely on their ecosystem services. Understanding local perceptions about the status and threats to mangroves is therefore crucial in addressing this issue. This research aims to enhance understanding of how sociodemographic factors influence resource use and perceptions of environmental changes through a questionnaire survey (n = 592 households) in five locations in Lamu County, home to 62% of Kenya’s mangroves. The results highlight the variability of mangrove use, ecosystem service recognition, and perceptions and drivers of change across locations, which are influenced by sociodemographic factors such as gender, education, and occupation. Although 89% of respondents reported using mangrove products, only 56% were able to identify mangrove ecosystem services, with those without formal education being less likely to recognize them. Interestingly, 50% of respondents perceived an increase in mangrove cover, contrary to research showing mangrove loss in the area over the last decade. Results show that communities are diverse and perceptions vary between groups, suggesting that implementing uniform management measures may be incomplete or ineffective. Awareness campaigns and capacity-building efforts must be tailored to reduce misperceptions about the state of local resources and to address the specific needs and challenges faced by different groups. Recommendations made here are widely applicable to promote more inclusive and sustainable community engagement in the management of natural resources in developing countries worldwide.
毁林和过度开发红树林正在影响数百万依赖其生态系统服务的家庭的生计。因此,了解当地对红树林现状和威胁的看法对于解决这一问题至关重要。本研究旨在通过问卷调查(n = 592户)在肯尼亚62%的红树林所在地拉穆县的五个地点加强对社会人口因素如何影响资源利用和对环境变化的看法的理解。研究结果强调了红树林利用的可变性、生态系统服务的认识、以及不同地点变化的感知和驱动因素,这些都受到性别、教育和职业等社会人口因素的影响。虽然89%的受访者表示使用红树林产品,但只有56%的人能够识别红树林生态系统的服务,而那些没有受过正规教育的人不太可能认识到它们。有趣的是,50%的受访者认为红树林覆盖面积增加了,这与过去十年该地区红树林减少的研究结果相反。结果表明,社区是多样化的,群体之间的看法也不同,这表明实施统一的管理措施可能是不完整或无效的。必须调整提高认识运动和能力建设工作,以减少对当地资源状况的误解,并解决不同群体面临的具体需求和挑战。这里提出的建议广泛适用于全球发展中国家促进社区更包容和可持续地参与自然资源管理。
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引用次数: 1
The sustainability of fertilizer usage in the rice production system and its influencers; evidence from Erode district of Tamil Nadu, India 水稻生产系统中肥料利用的可持续性及其影响因素证据来自印度泰米尔纳德邦的罗德地区
IF 5.6 3区 环境科学与生态学 Q1 ECOLOGY Pub Date : 2023-03-17 DOI: 10.1080/13504509.2023.2190178
L. Mohankumar, Muthuprasad Thiyaharajan, Kavi Sidharthan Venkidusamy
ABSTRACT The advent of the green revolution, besides increasing crop yields, has also substantially increased the use of synthetic fertilizers, posing adverse effects on the environment and human health. In the present study, we aimed to gain insights into the fertilizer usage patterns of paddy farmers of the Lower Bhavani Project canal region of Erode district, Tamil Nadu, through interviews, and also tried to map the individual’s source of information regarding fertilizer usage using Social Network Analysis (SNA). Results revealed that the farmers were excessively using an average of 21 kg of N, 28 kg of P2O5 and 16 kg of K2O per acre than the recommended level. By converting the excessive nitrogen usage by farmers into carbon dioxide equivalent, we found that the excess nitrogen use has resulted in around 2,552 kg of carbon dioxide emission, which would require a year by 122 trees for absorption. By mapping the individual’s source of information using SNA, we found that progressive farmers and relative farmers were the vital information sources for fertilizer usage than the agricultural officers. It is noteworthy that the awareness and adoption of biofertilizers among the surveyed farmers were very low as only 10.2% were aware of and 1.2% were adopting biofertilizers. These findings may help formulate suitable policies for rationalizing fertilizer usage by farmers to minimize fertilizer misuse, which, if left unchecked, may pose a serious concern to the environment and human health in the coming years.
绿色革命的到来,在提高作物产量的同时,也大大增加了合成肥料的使用,对环境和人类健康造成了不利影响。在本研究中,我们旨在通过访谈深入了解泰米尔纳德邦罗德县下巴瓦尼项目运河地区水田农民的肥料使用模式,并试图利用社会网络分析(SNA)绘制个人关于肥料使用的信息来源。结果表明,农民平均每英亩过量施用氮肥21 kg、P2O5 28 kg和K2O 16 kg,高于推荐水平。通过将农民过量使用的氮转化为二氧化碳当量,我们发现过量使用的氮已导致约2,552公斤的二氧化碳排放,这需要122棵树一年的吸收时间。通过使用SNA绘制个体的信息来源,我们发现进步农民和亲属农民是肥料使用的重要信息来源,而不是农业官员。值得注意的是,被调查农户对生物肥料的认知度和采用率很低,只有10.2%的农户了解生物肥料,1.2%的农户正在使用生物肥料。这些发现可能有助于制定适当的政策,使农民的肥料使用合理化,以尽量减少肥料滥用,如果不加以控制,可能在未来几年对环境和人类健康造成严重关切。
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引用次数: 0
Status of research on Sustainable Development Goal 11: a visual analysis using citespace and ArcGIS 可持续发展目标11的研究现状:基于citespace和ArcGIS的可视化分析
IF 5.6 3区 环境科学与生态学 Q1 ECOLOGY Pub Date : 2023-03-13 DOI: 10.1080/13504509.2023.2190177
Jing Guo, Xuhui Peng
ABSTRACT This study quantitatively reviewed the literature related to SDG 11 (Sustainable Development Goal 11) between 2015 and 2022 using bibliometric and spatial autocorrelation methods. The results showed that the amount of SDG 11-related literature increased annually since 2015, with an accelerated growth after 2018. The collaborations among countries, institutions, and authors of SDG 11-related literature were identified, with some major authors and institutions acting as links Keyword cluster and timeline analysis indicated that ‘Agenda 2030’, ‘appropriate technologies’, and ‘country’ were the main clusters of research, while ‘management,’ ‘climate change,’ and ‘impact’ were the most popular keywords, and ‘urban plan nexus,’ ‘social cooperation,’ and ‘renewable energy’ were the emerging keywords since 2021. Spatial autocorrelation analysis revealed that countries with more SDG 11-related literature were dispersed geographically. In the Getis-Ord G* analysis, China, the United States, and the United Kingdom were identified as hotspots; whereas Africa and Central Asia were identified as cold spots. To ensure timely implementation of the SDG 11, this study recommends helping less developed countries, resolving sustainable urbanization issues through innovative technology, and promoting more effective planning. It not only attempts a novel approach of using spatial statistics to analyze the bibliometric results but also provides valuable information for policymakers and scholars.
本研究运用文献计量学和空间自相关方法,对2015 - 2022年与可持续发展目标11相关的文献进行了定量分析。结果表明,自2015年以来,可持续发展目标11相关文献的数量每年都在增加,2018年之后增长加速。确定了可持续发展目标11相关文献的国家、机构和作者之间的合作,一些主要作者和机构作为链接,关键词集群和时间轴分析表明,“2030年议程”、“适当技术”和“国家”是主要的研究集群,而“管理”、“气候变化”和“影响”是最受欢迎的关键词。“城市规划联系”、“社会合作”和“可再生能源”是自2021年以来出现的关键词。空间自相关分析显示,与可持续发展目标11相关文献较多的国家在地理上较为分散。在Getis-Ord G*分析中,中国、美国和英国被确定为热点;而非洲和中亚则被认为是寒冷地区。为确保及时实施可持续发展目标11,本研究建议帮助欠发达国家,通过创新技术解决可持续城市化问题,并促进更有效的规划。它不仅尝试了一种利用空间统计分析文献计量结果的新方法,而且为政策制定者和学者提供了有价值的信息。
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引用次数: 1
How do environmental tax and renewable energy contribute to ecological sustainability? New evidence from top renewable energy countries 环境税和可再生能源如何促进生态可持续性?来自可再生能源大国的新证据
IF 5.6 3区 环境科学与生态学 Q1 ECOLOGY Pub Date : 2023-03-12 DOI: 10.1080/13504509.2023.2186961
Samira Shayanmehr, R. Radmehr, E. B. Ali, E. K. Ofori, T. Adebayo, B. Gyamfi
ABSTRACT The recent COP27 has propelled nations towards achieving reduced environmental degradation. Governments are, therefore, required to develop effective policy tools to improve their environmental sustainability plans. In line with this, an empirical study is required to explore the all-inclusive effect of ecological sustainability policy on ecological footprint (EFP) among the world’s top renewable energy consumption countries from 1994 to 2018. Recent studies on environmental degradation have focused on renewable energy while neglecting the role of environmental tax. Thus, the current study fills this gap by exploring the role of environmental tax on ecological footprint. Furthermore, the study evaluates the direct and indirect impact of environmental tax and renewable energy on different levels of EFP using the method of moment quantile regression (MMQR). The DOLS, FMOLS, and panel GMM techniques are also applied to check the robustness of the MMQR results. The empirical results indicate that environmental tax and renewable energy directly and significantly reduce the EFP; however, these impacts are insignificant in countries with lower levels of environmental pollution. Furthermore, the findings indicate that environmental tax plays a leading role in changing the energy structure towards environmentally friendly energies. The results also show that economic globalization and human capital impact ecological footprint negatively. Finally, the results suggest that GDP and nonrenewable energy aggravates ecological footprint. The study results propose insights for policymakers to mitigate environmental degradation by boosting environmental tax to deter polluters and investing more in renewable energy development.
最近的COP27推动了各国实现减少环境退化的目标。因此,各国政府必须制定有效的政策工具,改进其环境可持续性计划。基于此,需要对1994 - 2018年全球可再生能源消费大国生态可持续性政策对生态足迹(EFP)的全面影响进行实证研究。近年来对环境退化的研究主要集中在可再生能源上,而忽视了环境税的作用。因此,本研究通过探索环境税对生态足迹的作用来填补这一空白。利用矩分位回归(MMQR)方法,评价了环境税和可再生能源对不同水平EFP的直接和间接影响。DOLS、FMOLS和面板GMM技术也被用于检查MMQR结果的鲁棒性。实证结果表明,环境税和可再生能源直接且显著地降低了EFP;然而,这些影响在环境污染程度较低的国家微不足道。此外,研究结果表明,环境税在能源结构向环境友好型能源转变中起主导作用。经济全球化和人力资本对生态足迹具有负向影响。结果表明,GDP和不可再生能源加剧了生态足迹。研究结果为政策制定者提供了一些见解,可以通过提高环境税来阻止污染者,并加大对可再生能源开发的投资来缓解环境恶化。
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引用次数: 7
If tourism induces the EKC hypothesis, how does governance moderate its impact in the EU without the UK? 如果旅游业引发了EKC假设,那么在没有英国的情况下,治理如何缓和其对欧盟的影响?
IF 5.6 3区 环境科学与生态学 Q1 ECOLOGY Pub Date : 2023-03-12 DOI: 10.1080/13504509.2023.2189321
Cosimo Magazzino, F. Adedoyin, F. Bilgili, Umer Shahzad
ABSTRACT What happens to the impact of tourism on environmental degradation as the income level of the nations or regions increases? The Environmental Kuznets Curve (EKC) hypothesis asserts that the influence of tourism on CO2 emissions decreases with a rise in income levels. This study captures the role of governance in the tourism-induced EKC hypothesis in the European Union (EU), after Brexit. Given that the United Kingdom (UK) is the most visited country in the region, and tourism is a very vital instrument to economic stability and growth, it would be interesting to inspect the relationship among these variables without the UK. Auto-Regressive Distributed Lags (ARDL) estimates show that tourist arrivals decrease carbon emissions in the long-run, while per capita growth fosters carbon emissions in the long-run. In addition, Quantile Regressions (QR) reveal that, in general, the governance indicators have positive effects on emissions. Moreover, for the first quantile, the TEKC emerges. Finally, regarding the causality relationship, a unidirectional relationship from per capita growth to carbon emission, and from carbon emission to tourism arrivals emerge, while no causal link exists between energy consumption and carbon emissions. Moreover, a feedback mechanism (bidirectional causality) is discovered between per capita growth and tourism arrivals, and energy consumption as per capita growth.
随着国家或地区收入水平的提高,旅游业对环境退化的影响会发生什么变化?环境库兹涅茨曲线(EKC)假设认为,旅游对二氧化碳排放的影响随着收入水平的提高而降低。本研究抓住了英国脱欧后欧盟(EU)旅游业诱发的EKC假设中治理的作用。鉴于英国(UK)是该地区访问量最大的国家,旅游业是经济稳定和增长的一个非常重要的工具,如果没有英国,检查这些变量之间的关系将会很有趣。自回归分布滞后(ARDL)估计表明,从长期来看,游客人数减少了碳排放,而人均增长在长期内促进了碳排放。此外,分位数回归(QR)显示,总体而言,治理指标对排放有积极影响。此外,对于第一个分位数,TEKC出现了。最后,在因果关系上,人均增长与碳排放、碳排放与旅游人数呈现单向关系,而能源消费与碳排放之间不存在因果关系。此外,还发现人均增长与旅游人数、人均能源消耗之间存在反馈机制(双向因果关系)。
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引用次数: 8
Construction of ecological security patterns based on multi-scenario simulations in arid and semi-arid areas in Northwest China 基于多情景模拟的西北干旱半干旱区生态安全格局构建
IF 5.6 3区 环境科学与生态学 Q1 ECOLOGY Pub Date : 2023-03-03 DOI: 10.1080/13504509.2023.2185914
Yaoxin Zhang, Yonggang Ma, Zhonglin Xu
ABSTRACT Ecological security patterns (ESPs) have several implications for regional development planning and strategies. However, there have been few studies on potential ESP changes in future scenarios. Considering the various climatic and physical geographical conditions, more studies on the construction of ESPs are needed, particularly in high-altitude, arid, and semi-arid regions. This study fills a gap in the body of literature by simulating future land-use changes under multi-scenario and constructing historical and future ESPs for the Kuqa-Shaya-Xinhe region. This study integrated ecological connectivity and study area data, identified ecological sources, established ecological resistance surfaces, and identified ecological corridors and nodes by combining least-cost paths and circuit theory. Three development scenarios (inertial development scenario, ecological conservation scenario, and coordinated development scenario) were designed. The results showed that an integrated framework is ideal for investigating the spatial and temporal impacts of multi-scenario land-use change on ESPs. Furthermore, under the inertial development scenario, the area of ecological sources decreased significantly and the increased ecological corridor, pinch, and barrier points suggested that a large burden of ecological engineering construction is expected. By contrast, the coordinated development scenario should be preferred in the short and medium term as it can ensure economic growth and infrastructure construction while minimizing the burden of future ecological engineering construction. Our results provide a deeper understanding of the response of ESPs to land-use change and can provide references for the protection and restoration of arid and semi-arid areas.
生态安全模式对区域发展规划和战略具有重要意义。然而,关于未来情景下ESP潜在变化的研究很少。考虑到不同的气候和自然地理条件,需要对esp的建设进行更多的研究,特别是在高海拔、干旱和半干旱地区。本研究通过模拟库车-沙雅-新河地区未来多情景土地利用变化,构建库车-沙雅-新河地区历史和未来生态系统,填补了文献的空白。结合最小成本路径和电路理论,综合生态连通性和研究区域数据,识别生态源,建立生态阻力面,识别生态廊道和生态节点。设计了惯性发展、生态保护和协调发展三种发展情景。结果表明,综合框架是研究多情景土地利用变化对生态系统影响的理想框架。在惯性发展情景下,生态资源面积明显减少,生态廊道、夹缝点和屏障点增加,生态工程建设负担较大。中短期应优先考虑协调发展方案,既能保证经济增长和基础设施建设,又能最大限度地减少未来生态工程建设的负担。研究结果为深入了解土壤电通量对土地利用变化的响应提供了依据,可为干旱半干旱区的保护与恢复提供参考。
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引用次数: 0
Sustainable tourism in practice: synthesizing sustainability assessment of global tourism destinations 实践中的可持续旅游:综合评价全球旅游目的地的可持续性
IF 5.6 3区 环境科学与生态学 Q1 ECOLOGY Pub Date : 2023-03-02 DOI: 10.1080/13504509.2023.2183527
D. Bishwokarma, Jacqueline Harper, S. Nepal
ABSTRACT This paper examines the sustainability characteristics of 12 tourist destinations from around the world to determine whether these destinations have made concrete efforts in balancing the four pillars of sustainability: environmental, economic, social-cultural, and institutional. The paper identifies areas of improvement to abet these destinations facilitate their progress towards achieving sustainability. A three-step approach to destination sustainability assessment was employed: i) development of a sustainability assessment matrix; ii) selecting case studies to illustrate current on the ground sustainability practices; and iii) sustainability performance assessment of the selected destinations. Based on secondary information, the assessment developed and applied a six-scale sustainability performance rating, ranging between −1 to + 1 with − 0.75 to −1 indicating an unsatisfactory, and +0.75 to + 1 indicating a satisfactory performance. Results indicate to the presence of a broad range of sustainability characteristics across geographically diverse locations. Based on the results, six main implications are discussed: i) necessary trade-offs on sustainability considerations; ii) conditionality of sustainability; iii) importance of grassroots engagement and community-led tourism activities; iv) significance of participatory and effective policy preparation and implementation; v) insights on opportunities of active learning and sharing for meeting sustainability objectives; and vi) lessons for mass tourism experiences. We emphasize the need for strategic efforts in balancing sustainability approaches in tourism practices.
本文考察了世界各地12个旅游目的地的可持续性特征,以确定这些目的地是否在平衡可持续性的四大支柱方面做出了具体努力:环境、经济、社会文化和制度。该文件确定了改进的领域,以帮助这些目的地促进其实现可持续发展的进展。采用三步法进行目的地可持续性评估:1)建立可持续性评估矩阵;Ii)选择案例研究来说明当前的实地可持续实践;(三)选定目的地的可持续发展绩效评价。基于二手信息,评估制定并应用了一个六分制的可持续发展绩效评级,范围为- 1至+ 1,- 0.75至- 1表示不满意,+0.75至+ 1表示满意。结果表明,在不同的地理位置存在着广泛的可持续性特征。基于这些结果,本文讨论了六个主要影响:i)可持续性考虑的必要权衡;Ii)可持续性的条件;Iii)基层参与和社区主导的旅游活动的重要性;参与性和有效的政策制定和执行的重要性;V)对实现可持续发展目标的主动学习和分享机会的见解;(六)大众旅游的经验教训。我们强调需要在旅游实践中平衡可持续性方法的战略努力。
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引用次数: 2
Green finance, fintech, and environmental sustainability: fresh policy insights from the BRICS nations 绿色金融、金融科技和环境可持续性:来自金砖国家的新政策见解
IF 5.6 3区 环境科学与生态学 Q1 ECOLOGY Pub Date : 2023-02-27 DOI: 10.1080/13504509.2023.2183526
Maxwell Chukwudi Udeagha, E. Muchapondwa
ABSTRACT The BRICS region has considered achieving environmental sustainability a top priority in terms of policy. Environmental distress is mostly brought on by the region’s continued reliance on fossil fuels to supply local energy needs. Besides, the region has historically been a significant importer of fossil fuels, making it difficult to substantially reduce the region’s reliance on them. As a result, the BRICS nations’ greenhouse gas (GHG) emission rates have steadily increased over time. Moreover, the region offers vast untapped amounts of renewable energy sources that may be used to generate power without adversely harming the environment. In light of this, this paper examines the combined effects of green finance (GFN) and financial technology (fintech) in achieving the region’s carbon neutrality goals from 1990 to 2020, while controlling for energy innovation, economic growth and natural resources rent. The results for the BRICS economies, which are supported by the EKC hypothesis, suggest that GFN, fintech and energy innovation (ENI) promote environmental sustainability. However, natural resources rent (NRR) and economic growth (GDP) degrade environmental quality. Additionally, it has been shown that the bidirectional causality exists between CO2 emissions and GFN, fintech, and NRR. However, GDP and ENI have been shown to exhibit unidirectional causality with CO2 emissions. Based on the empirical findings, it is suggested that the BRICS countries should speed up the development of green financial products and expand the ability of banks and financial institutions to provide green credit facilities, and put into the research on the usage of GFN solutions.
金砖国家已将实现环境可持续性作为政策的重中之重。环境问题主要是由于该地区持续依赖化石燃料来满足当地的能源需求。此外,该地区历来是化石燃料的重要进口国,因此很难大幅减少该地区对化石燃料的依赖。因此,金砖国家的温室气体(GHG)排放量随着时间的推移稳步上升。此外,该地区拥有大量尚未开发的可再生能源,这些能源可以用来发电,而不会对环境造成不利影响。鉴于此,本文在控制能源创新、经济增长和自然资源租金的情况下,研究了绿色金融(GFN)和金融技术(fintech)在1990年至2020年实现该地区碳中和目标方面的综合效应。在EKC假设的支持下,金砖国家经济体的结果表明,GFN、金融科技和能源创新(ENI)促进了环境的可持续性。然而,自然资源租金(NRR)和经济增长(GDP)会使环境质量恶化。此外,研究表明,二氧化碳排放与GFN、金融科技和NRR之间存在双向因果关系。然而,GDP和ENI已被证明与二氧化碳排放呈单向因果关系。根据实证结果,建议金砖国家应加快绿色金融产品的开发,扩大银行和金融机构提供绿色信贷工具的能力,并投入研究GFN解决方案的使用。
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引用次数: 22
Examining the roles of labour standards, economic complexity, and globalization in the biocapacity deficiency of the ASEAN countries 考察劳动标准、经济复杂性和全球化在东盟国家生物承载力不足中的作用
IF 5.6 3区 环境科学与生态学 Q1 ECOLOGY Pub Date : 2023-02-13 DOI: 10.1080/13504509.2023.2172475
A. Celik, A. Alola
ABSTRACT With Singapore currently the world’s most natural capital (biocapacity) deficit alongside four other Association of Southeast Asian Nations (ASEAN) countries having varying degree of ecological deficit, i.e. Indonesia, Malaysia, the Philippines, and Thailand, it then offers a clear justification for a more scrutiny of the ASEAN states’ ecological footprint dynamics. To provide more insight on the drivers of ecological footprint in the overall panel and for each of the above-mentioned countries, the roles of economic complexity, average working hours, labour productivity, labour income share, and globalization were examined by employing the Dynamic Ordinary Least Squares Mean Group (DOLSMG) alongside the recently developed (non)time-variant Granger causality approaches. For the overall panel, the DOLSMG approach established that labour productivity, labour income share, and globalization reduce the biocapacity deficit by improving ecological quality while economic complexity worsen the region’s environmental quality. Additionally, in the overall panel, there is Granger causality evidence from the average working hour, labour income share, labour productivity, globalization, and economic complexity to ecological footprint. Moreover, the results of the two Granger causality approaches are unanimous in evidence. For instance, average working hours per year is a significant causal of ecological footprint in all the sampled countries at varying periods. Specifically, there are Granger causalities: from labour productivity to ecological footprint in Malaysia, the Philippines, Singapore and Thailand; from globalization to ecological footprint in Malaysia, the Philippines, Singapore, and Thailand; from economic complexity to ecological footprint in Indonesia, Malaysia, the Philippines, Singapore, and Thailand, all at varying times.
新加坡目前是世界上最严重的自然资本(生物承载力)赤字,而其他四个东南亚国家联盟(东盟)国家也有不同程度的生态赤字,即印度尼西亚、马来西亚、菲律宾和泰国,这为进一步审视东盟国家的生态足迹动态提供了明确的理由。为了更深入地了解整体面板和上述每个国家的生态足迹驱动因素,通过采用动态普通最小二乘平均群(DOLSMG)和最近发展的(非)时变格兰杰因果关系方法,研究了经济复杂性、平均工作时间、劳动生产率、劳动收入份额和全球化的作用。对于整个小组来说,DOLSMG方法确定了劳动生产率、劳动收入份额和全球化通过改善生态质量来减少生物承载力赤字,而经济复杂性使该地区的环境质量恶化。此外,在整体面板中,平均工作时间、劳动收入份额、劳动生产率、全球化和经济复杂性与生态足迹之间存在格兰杰因果关系证据。此外,两种格兰杰因果关系方法的结果是一致的。例如,在所有取样国家的不同时期,每年平均工作时间是生态足迹的重要原因。具体来说,存在格兰杰因果关系:从马来西亚、菲律宾、新加坡和泰国的劳动生产率到生态足迹;从全球化到马来西亚、菲律宾、新加坡和泰国的生态足迹;从印尼、马来西亚、菲律宾、新加坡和泰国的经济复杂性到生态足迹,所有这些都发生在不同的时期。
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引用次数: 2
Invasive plants and agri-food waste extracts as sustainable alternatives for the pre-emergence urban weed control in Portugal Central Region 入侵植物和农业食品废弃物提取物作为葡萄牙中部地区苗期前城市杂草控制的可持续替代品
IF 5.6 3区 环境科学与生态学 Q1 ECOLOGY Pub Date : 2023-02-07 DOI: 10.1080/13504509.2023.2175737
D. Duarte, C. Galhano, M. C. Dias, P. Castro, P. Lorenzo
ABSTRACT The continued use of synthetic herbicides to control weeds leads to environmental pollution and health issues. Consequently, chemical formulations have been increasingly banned. However, sustainable solutions are lacking in the market. Alternatively, valorisation of phytotoxic waste to reduce the herbicides use promotes sustainability, meeting circular economy. We aimed at assessing the herbicidal potential of aqueous extracts of waste from the management of invasive plants (Acacia dealbata bark, Oxalis pes-caprae biomass) and agri-food (spent coffee grounds) on common urban weeds (Achillea ageratum, Conyza canadensis and Dittrichia viscosa) in Portugal. In vitro (paper and soil) and pot assays (soil) were conducted to test the pre-emergence (germination and seedlings) and post-emergence (well-stablished plants) effect of waste extracts on these weeds. Extracts reduced pre-emergence performance of weeds, but marginally affected post-emergence parameters. Germination was inhibited up to 83% by O. pes-caprae in A. ageratum, up to 88% and 87% by A. dealbata and O. pes-caprae in C. canadensis, and up to 70% by concentration in D. viscosa. A. dealbata and O. pes-caprae extracts also drastically reduced radicle length (30% and 55% in A. ageratum, 77% and 81% in C. canadensis, 90% and 92% in D. viscosa, respectively). However, soil neutralized the inhibitory pre-emergence effect. The main findings highlight that the use of A. dealbata and O. pes-caprae extracts as bioherbicides may require an additional synthetic herbicides application, as extracts alone cannot fully control urban weeds in areas without soil. Combining bioherbicides and commercial formulations still reduces the application of toxic chemicals, promoting sustainability.
摘要:持续使用合成除草剂来控制杂草会导致环境污染和健康问题。因此,化学配方越来越被禁止。然而,市场上缺乏可持续的解决方案。另外,植物毒性废物的增值以减少除草剂的使用促进了可持续性,符合循环经济。本研究旨在评估葡萄牙外来入侵植物(Acacia dealbata bark, Oxalis pes-caprae生物质)和农业食品(废咖啡渣)废弃物水提取物对常见城市杂草(Achillea ageratum, Conyza canadensis和Dittrichia viscosa)的除草潜力。通过体外(纸和土壤)和盆栽(土壤)试验,测试了废提取物对这些杂草的出苗前(发芽和幼苗)和出苗后(成熟植株)的影响。提取物降低了杂草萌发前的性能,但对萌发后的参数影响不大。赤霉病菌对无梗草萌发的抑制率最高可达83%,赤霉病菌和赤霉病菌对加拿大青草萌发的抑制率分别为88%和87%,对粘草萌发的抑制率最高可达70%。青藤提取物和花楸提取物也能显著减少根长(青藤30%和55%,加拿大花77%和81%,粘草90%和92%)。然而,土壤中和了抑制萌芽的作用。主要研究结果表明,在没有土壤的地区,单靠草提取物不能完全控制城市杂草,因此使用草提取物作为生物除草剂可能需要额外使用合成除草剂。生物除草剂和商业配方的结合仍然减少了有毒化学品的使用,促进了可持续性。
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引用次数: 1
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International Journal of Sustainable Development and World Ecology
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