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The Status of Camel Feed Resources, and Its Management in Ethiopia Somali Region 埃塞俄比亚索马里地区骆驼饲料资源现状及管理
Pub Date : 2019-05-27 DOI: 10.4172/2157-7625.1000260
Bosenu Abera, A. Bajigo, Kefyalew Gebeyew
Camel production is the dominant livelihood option for pastoralist, and also very important livelihood option for agro-pastoralists in Somali region. This study was conducted in five administrative zones of Ethiopian Somali Regional State to assess the current status of camel feed resources, and its management practices. A key informant interview, focus group discussion (FGD), household survey (HH) with structured questionnaire, and field observation were employed as data collection tool. With purposive sampling design for this cross-sectional study, a total of 150 sample household heads were selected. The result indicated that there is variation in camel feed quality and rangeland conditions between the study districts. Despite of this, mismanagement of feed resources coupled with intrinsic camel feed resources shortage and quality deterioration at different seasons is putting the camel production vulnerable to changing climate throughout the region. Although it is not satisfactory to overcome the camel feed shortage in districts, traditional feed managements such as area enclosure (34%), camel migration during drought seasons (90%) browsing land resting (45.3%), and table salt provision to supplement the camel mineral deficiency are implemented but with different status between districts. However, the efforts made do not indicate as it ensures sustainability. Hence, awareness creation on rangeland management to integrate traditional with modern approaches, and capacity building on camel feed resource development, and conservation skills of the existing brows species in the rangelands of pastoral and agropastoral camel herders is highly required.
骆驼生产是牧民的主要生计选择,也是索马里地区农牧民非常重要的生计选择。本研究在埃塞俄比亚索马里区域国的五个行政区进行,以评估骆驼饲料资源的现状及其管理做法。采用关键信息者访谈、焦点小组讨论(FGD)、结构化问卷入户调查(HH)和实地观察等方法收集数据。本研究采用有目的抽样设计,共选取150名户主样本。结果表明,各研究区骆驼饲料质量和草场条件存在差异。尽管如此,饲料资源管理不善,加上骆驼饲料资源内在短缺和不同季节质量恶化,使骆驼生产容易受到整个地区气候变化的影响。虽然在解决地区骆驼饲料短缺问题方面效果不理想,但传统的饲料管理措施如圈地(34%)、旱季骆驼迁徙(90%)、放牧(45.3%)和提供食盐以补充骆驼矿物质缺乏,但在地区间的状况有所不同。然而,所作的努力并不表明它确保了可持续性。因此,迫切需要提高对牧场管理的认识,将传统方法与现代方法相结合,并在骆驼饲料资源开发方面进行能力建设,以及在牧区和农牧骆驼牧民的牧场中保护现有眉毛物种的技能。
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引用次数: 1
The Impact of Variant Local Involvement in Community Based Ecotourism: A Conceptual Framework Approach 基于社区的生态旅游中不同地方参与的影响:一个概念框架方法
Pub Date : 2019-05-20 DOI: 10.4172/2157-7625.1000261
Israel Petros Menbere, Kassahun Abie, Hadis Tadele, Getahun Gebru
This study was conducted to determine the impact of variant local involvement in ecotourism and associated strengths and weaknesses of the Adaba-Dodola community based ecotourism project, in South Ethiopia. Households from CBECT program and non-program communities, focus groups of CBECT participants and nonparticipants, and key-informants from culture and tourism office and from Oromia forest and wildlife enterprise were the target respondents. The primary data were collected through questionnaires, interviews and focused group discussions. Document reviews were also made to support the study. The quantitative data were analyzed through descriptive statistics while the qualitative data were analyzed in the form of narrations. The result of the study indicated that participants were highly benefited compared to nonparticipants due to the different level of participation and ways of involvement in ecotourism activities. Participants were benefited economically while nonparticipants enjoyed benefits associated with natural services. This led to positive perception to exist in participants than nonparticipants. As a result, the perception of communities towards ecotourism had been impacted by the difference of ecotourism support in the livelihood of participant and nonparticipant communities. In relation to this, working with community and promoting experience sharing for communities were the main strengths of ecotourism program according to participants while majority of nonparticipants stated as there were no major strengths to the ecotourism project. Subsequently, both groups identified insufficient implementation of the CBECT program as the main weakness of ecotourism in the area.
本研究旨在确定埃塞俄比亚南部以Adaba-Dodola社区为基础的生态旅游项目的不同地方参与对生态旅游的影响以及相关的优势和劣势。来自CBECT项目和非项目社区的家庭、CBECT参与者和非参与者的焦点小组、文化和旅游办公室和奥罗米亚森林和野生动物企业的关键线人是目标调查对象。主要数据通过问卷调查、访谈和焦点小组讨论收集。还进行了文件审查以支持这项研究。定量数据采用描述性统计进行分析,定性数据采用叙述形式进行分析。研究结果表明,由于参与程度和参与方式的不同,参与者比非参与者受益更大。参与者在经济上受益,而非参与者则享受与自然服务相关的利益。这导致参与者比非参与者存在积极的感知。结果表明,生态旅游参与社区和非生态旅游参与社区在生计方面的支持程度差异影响了社区对生态旅游的认知。与此相关,参与者认为与社区合作和促进社区经验分享是生态旅游项目的主要优势,而大多数非参与者认为生态旅游项目没有主要优势。随后,两个小组都认为CBECT计划的实施不足是该地区生态旅游的主要弱点。
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引用次数: 0
Physical Concepts and Ecosystem Ecology: A Revival? 物理概念与生态系统生态学:复兴?
Pub Date : 2018-09-21 DOI: 10.4172/2157-7625.1000259
C. Gaucherel
Ecology has probably borrowed tools and concepts from physics since its origins. Powerful physics approaches have particularly helped incorporate challenges related to ecosystems, including ecosystem functioning and scale issues. I conducted a survey of physical theories and concepts applied to ecosystem ecology to identify fruitful borrowings and past traps. I left aside differential equations and all mathematical tools developed in physics but also used in ecology. Building on information theory, thermodynamics and statistical physics on the one hand, and on dynamical systems, self-organisation, and complexity on the other, my first aim was to identify a trend in this long-lasting collaboration between physics and ecology. For example, some physical concepts are now widely recognised to have failed to help understand and/or to manage an ecosystem as a whole: information theory, thermodynamics and extremal principles belong to this category. More recent physical theories have emerged in ecology and not yet failed: dynamical systems and statistical physics, complexity and graph theories belong to this category. The second aim of the survey was to identify some of the reasons for the only partial success of otherwise powerful physical concepts in ecology. The ecosystem is a dual object composed of living (biotic) and inert (abiotic) components in close interaction. Although a basic tenet, an ecosystem cannot simply be understood, in practice, as a purely physical (or purely biological) system. Consequently, a difficult theoretical question needs to be addressed: could a revival of the interface between physics and ecology finally reveal how to understand and manage ecosystems? Or will we need radically new concepts (and more generic tools) to understand the ecological organisation of matter and energy in an ecosystem? Strategies for achieving this goal and for advancing theoretical ecosystem ecology are discussed
生态学可能从它的起源就借用了物理学的工具和概念。强大的物理方法特别有助于整合与生态系统相关的挑战,包括生态系统功能和规模问题。我对应用于生态系统生态学的物理理论和概念进行了调查,以确定有效的借鉴和过去的陷阱。我把微分方程和所有在物理学中发展起来但也在生态学中使用的数学工具放在一边。一方面是建立在信息论、热力学和统计物理学的基础上,另一方面是建立在动力系统、自组织和复杂性的基础上,我的第一个目标是确定物理学和生态学之间长期合作的趋势。例如,一些物理概念现在被广泛认为无法帮助理解和/或管理作为一个整体的生态系统:信息论、热力学和极限原理属于这一类。最近的一些物理理论也出现在生态学中,而且还没有失败:动力系统和统计物理学、复杂性理论和图论都属于这一类。调查的第二个目的是找出生态学中其他强大的物理概念只有部分成功的一些原因。生态系统是由有生命(生物)和无生命(非生物)成分密切相互作用组成的双重对象。虽然这是一个基本原则,但在实践中,生态系统不能简单地理解为一个纯粹的物理(或纯粹的生物)系统。因此,一个困难的理论问题需要解决:物理学和生态学之间的界面的复兴能否最终揭示如何理解和管理生态系统?还是我们需要全新的概念(和更通用的工具)来理解生态系统中物质和能量的生态组织?讨论了实现这一目标和推进理论生态系统生态学的策略
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引用次数: 11
Complete genome sequence of Alkalitalea saponilacus, an anaerobic haloalkaliphilic bacterium capable of secreting halostable xylanase 一种能够分泌耐盐木聚糖酶的厌氧嗜盐嗜碱细菌——碱菌的全基因组序列
Pub Date : 2018-07-27 DOI: 10.4172/2157-7625-c3-039
Baisuo Zhao, Yanchun Yan, Ziya Liao
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引用次数: 1
Critically Analyse the Different Approaches of Eco Health, One Health, Planetary Health and Political Economy and Political Ecology of Global Health to Analyse Current Challenges in the Anthropocene 批判性地分析生态健康,一个健康,行星健康和全球健康的政治经济学和政治生态学的不同方法,以分析人类世当前的挑战
Pub Date : 2018-03-31 DOI: 10.4172/2157-7625.1000252
I. Shaikh
Lack of address between human and animal health as well as various social, economic and ecosystem aspect negligence is the major reason due to which dealing with the threat of emerging infectious disease with current global health framework is becoming a huge problem.World Economic Forum has ranked the spread of infectious diseases second top serious global threat after water crisis due to the increasing people mobility, domestic animal as well as insect vector increase. It is noteworthy that recent advancement in global health promotion policies manifests few interdisciplinary approaches, which are remarkably successful in developing a strong collaboration and co-operation between the physician groups and veterinarian groups in order to enhance and upgrade their health standards ensuring the environmental safety, which is, appears to be the crux of “One Health” concept.This paper critically analyses the different approaches of Eco Health, One Health, Planetary Health and political economy and political ecology of global health with the focus on current challenges in the Anthropocene and give policy recommendation for environment friendly sustainable development.
人类和动物健康之间缺乏解决以及各种社会、经济和生态系统方面的疏忽是主要原因,因此,在当前的全球卫生框架下处理新发传染病的威胁正在成为一个巨大的问题。世界经济论坛将传染病的传播列为仅次于水危机的全球第二大严重威胁,原因是人口流动性增加、家畜和昆虫媒介的增加。值得注意的是,最近在全球健康促进政策方面取得的进展表明,很少有跨学科的办法,这些办法非常成功地发展了医师团体和兽医团体之间的强有力的协作与合作,以加强和提高其卫生标准,确保环境安全,这似乎是"同一个健康"概念的关键。本文批判性地分析了生态健康、一个健康、行星健康和全球健康的政治经济学和政治生态学的不同方法,重点分析了人类世当前面临的挑战,并提出了环境友好型可持续发展的政策建议。
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引用次数: 0
Recycled agricultural wastes: Biochars multifunctional role in agriculture and environment 再生农业废弃物:生物炭在农业和环境中的多功能作用
Pub Date : 2018-03-26 DOI: 10.4172/2157-7625-C1-031
G. Sigua
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引用次数: 0
Perception of Residents about Urban Vegetation: A Comparative Study of Planned Versus Semi-Planned Cities of Islamabad and Rawalpindi, Pakistan 居民对城市植被的感知:巴基斯坦伊斯兰堡和拉瓦尔品第规划与半规划城市的比较研究
Pub Date : 2018-02-28 DOI: 10.4172/2157-7625.1000251
S. A. Bokhari, Z. Saqib, Amjad Ali, M. Z. U. Haq
The present study compared opinions of south Asian planned (Islamabad) versus semi-planned (Rawalpindi) urban residents, regarding urban vegetation (ecological capital) and its usefulness. These urban areas known as twin cities lie in close vicinity but their contrasting contextual setting makes them a suitable case study. The locals were asked questions related to the importance of urban vegetation, changes in it over a period of time and resultant impacts (positive/negative). A majority (90%) of respondents opined that urban vegetation is beneficial while another big proportion (69.20%) believed vegetation cover changed over time and recent changes in urban vegetation were viewed negatively (55.80%). Statistical analysis revealed that respondents form both cities significantly differ in their point of view regarding ecological capital: usefulness of vegetation (p<0.02); urban vegetation cover changes (p<0.02) and its impacts (p<0.01). The study concluded that planning/contextual settings influence human perception about natural capital in urban settings. While, the people were equivocal in perceiving the vegetation change; the negative impacts were more felt by the people living in semi-planned area than the people living in the planned areas.
本研究比较了南亚已规划(伊斯兰堡)和半规划(拉瓦尔品第)城市居民对城市植被(生态资本)及其用途的看法。这些被称为“双城”的城市区域毗邻而居,但它们截然不同的背景环境使它们成为一个合适的案例研究。当地人被问及城市植被的重要性、一段时间内城市植被的变化以及由此产生的影响(积极/消极)。大部分受访者(90%)认为城市植被是有益的,而另一大部分受访者(69.20%)认为植被覆盖随着时间的推移而变化,对最近城市植被的变化持负面看法(55.80%)。统计分析表明,两市受访者对生态资本的看法存在显著差异:植被有用性(p<0.02);城市植被覆盖变化(p<0.02)及其影响(p<0.01)。该研究得出结论,规划/环境设置影响人们对城市环境中自然资本的看法。然而,人们对植被变化的认识是模棱两可的;居住在半规划区内的居民比居住在规划区内的居民更能感受到这种负面影响。
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引用次数: 21
Review the Significant of Non Timber Forest Product and Boswellia papyrifera Species in Ethiopia 埃塞俄比亚非木材林产品和纸莎草种的意义综述
Pub Date : 2018-02-08 DOI: 10.4172/2157-7625.1000248
Melese Worku, Abay Bantihun
Non-timber forest products (NTFPs) are organic income of deposit and living thing derivation, harvest beginning usual forest, artificial plantation, forested ground, farmlands and trees outer surface forest or domestic. These foodstuffs are very important source of profits, nourishment and nourishment for many forest based community approximately the earth. This revise try to evaluation accessible and easy to get to literatures on position of NTFPs in sustainable forest management including sociological approach, economic approach, ecosystem approach, technological move toward and its associated armed forces (biodiversity maintenance and carbon confiscation). The use of NTFPs has established attention in brightness of their perceived potential to address both poverty reduction and tropical forest conservation. It was not essential that superior management and use scheme has to be set for diversify foodstuffs advantage for the incomplete the people.
非木材林产品(nntfp)是存款和生物来源的有机收入,采收开始于通常的森林、人工林、林地、农田和树木的外表层森林或家庭。这些食物是地球上许多以森林为基础的社区非常重要的利润、营养和营养来源。本文试图从社会学方法、经济学方法、生态系统方法、技术举措及其相关武装力量(生物多样性维护和碳没收)等方面对非森林保护区在可持续森林管理中的地位进行评价。国家森林保护区的使用使人们注意到它们在减少贫困和保护热带森林方面的潜力。为了满足不完全人民的粮食多样化利益,没有必要制定优越的管理和使用方案。
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引用次数: 4
Soil Net Nitrogen Mineralization at Different Ecosystem Development Stages after the Year 2000 Eruption on Miyakejima Island 2000年火山喷发后不同生态系统发育阶段土壤净氮矿化特征
Pub Date : 2018-01-01 DOI: 10.4172/2157-7625.1000250
Jian Cui, M. Hirota, T. Kamijo, S. Yoshitake, Kazuhiro Katoh
Soil nitrogen (N) mineralization is a central process in the N cycle in terrestrial ecosystems. Previously many studies were conducted on soil N mineralization in terrestrial ecosystems, but those studies remain unclear due to large spatial and temporal variations. In present study soil N mineralization rates were measured in situ by using a resin core technique. The study reports the relationship of these rates with environmental factors at ten sites with various vegetation and soil properties which formed after the latest eruption in year 2000 on a volcanic island, Miyakejima. Miyakejima has diverse ecosystems, from grasslands with little soil organic matter to mature forests. With little damage from the year 2000 eruption, it is suitable for exploration of spatial and temporal variations in soil N mineralization. Annual soil N mineralization rates ranged from 0.9 to 52.5 kg N ha-1 yr-1 and were higher in the presence of the N-fixing vegetation Alnus sieboldiana. Present study data along with other data obtained from insitu observation suggested that soil C/N ratio can be a good indicator of annual soil N mineralization rate, like many previous studies pointed out; however, the relationship between the rate and soil C/N ratio was complicated due to some factors, such as existence of N-fixing vegetation and high sulfur dioxide gas exposure.
土壤氮矿化是陆地生态系统氮循环的核心过程。以往对陆地生态系统土壤氮矿化进行了大量研究,但由于时空差异较大,研究结果尚不明确。本研究采用树脂芯法原位测定土壤氮矿化率。该研究报告了这些比率与环境因素的关系,这些环境因素是在2000年火山岛Miyakejima最近一次喷发后形成的10个地点,这些地点具有不同的植被和土壤性质。Miyakejima拥有多样化的生态系统,从土壤有机质很少的草原到成熟的森林。由于2000年火山喷发对土壤氮矿化的破坏较小,适合探索土壤氮矿化的时空变化特征。年土壤氮矿化率为0.9 ~ 52.5 kg N / h -1年-1,在固氮植被桤木的存在下,土壤氮矿化率更高。本研究数据和其他原位观测数据表明,土壤碳氮比可以很好地反映土壤年氮矿化率,正如许多前人所指出的那样;然而,由于固氮植被的存在和高二氧化硫气体暴露等因素,速率与土壤C/N比的关系较为复杂。
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引用次数: 2
Development of Artificial Reefs Using Environmentally Safe Ceramic Material 利用环保陶瓷材料开发人工鱼礁
Pub Date : 2018-01-01 DOI: 10.4172/2157-7625.1000253
M. Kalam, T. Mieno, B. Casareto
To develop artificial reefs, that are environmentally friendly and inexpensive, prototype artificial reefs made of ceramic material have been studied. The properties of the reefs (chemical constituents, surface texture, water absorbability, mechanical strength, erosion rate, and sustainability) were examined. The reefs were compared with natural coral rubbles. The effects of the reefs on nutrient availability, toxic chemical diffusion, and the propagation of plankton (bacteria, diatom) and other benthic organisms were examined, for which the reefs were set in aquaria for a long time. It was shown that the reefs were nontoxic, pH-neutral, mechanically strong, and sustainable in a hostile shallow sea environment. This study suggests that artificial reefs made from the ceramic material are not hazardous to small fish.
为了开发既环保又廉价的人工鱼礁,研究了陶瓷材料的人工鱼礁原型。研究了珊瑚礁的化学成分、表面结构、吸水性、机械强度、侵蚀速率和可持续性。珊瑚礁被比作天然的珊瑚碎石。研究了长期在水族箱中设置的珊瑚礁对营养物有效性、有毒化学物质扩散、浮游生物(细菌、硅藻)和其他底栖生物繁殖的影响。研究表明,这些珊瑚礁无毒,ph中性,机械强度强,在恶劣的浅海环境中可持续发展。这项研究表明,由陶瓷材料制成的人工鱼礁对小鱼没有危害。
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引用次数: 2
期刊
Journal of Ecosystem & Ecography
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