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Caractérisation des exploitations agriculture-élevage et origine de l’innovation dans les principaux bassins laitiers de l’Algérie. 阿尔及利亚主要乳制品盆地农业和畜牧业的特点和创新起源。
IF 1 4区 经济学 Q2 Social Sciences Pub Date : 2022-09-16 DOI: 10.30682/nm2203d
Zakia Himeur, H. Ikhlef, Toufik Madani
The study focuses on dairy cattle farming systems and the sources of innovation for breeders in the Setif and Souk-Ahras dairy basins recognized by cereals, dairy cattle breeding and irrigated crops. A sample of 140 family farms was selected and surveyed between 2017 and 2018. A typology of livestock systems was constructed using of a PCA and AHC. The results show three groups. G1 retains 68% of breeders with small farms, combining polyculture with dairy cattle breeding; G2, 30% of breeders, the farm is medium-sized and the productive orientation is mixed farming and dairy cattle breeding; G3, made up of large grain farmers and mixed cattle breeders (milk/meat). The cattle breeds exploited are Red Holstein and Montbeliard, 74% dominant. The origin of innovation relating to breeding practices comes mainly from local socio_x0002_technical networks, whereas formal extension by public services is ineffective (0.64 %). It appears that group1 occupies the first position in terms of acquiring information on innovations, followed by G2 and 3. Socio-technical networks operate from 27 to 33% in the 3 groups. The veterinarian contributes 25% in G1 and 2; at 41% in G3.
这项研究的重点是奶牛养殖系统,以及谷物、奶牛养殖和灌溉作物认可的Setif和Souk Ahras奶牛流域的养殖者的创新来源。2017年至2018年间,对140个家庭农场进行了抽样调查。使用主成分分析和AHC构建了牲畜系统的类型。结果显示有三组。G1保留了68%的小型农场饲养者,将混养与奶牛养殖相结合;G2,30%的养殖户,养殖场为中型,生产方向为混合养殖和奶牛养殖;G3,由大农场主和混合养牛者(奶/肉)组成。开发的牛品种是红荷斯坦和蒙贝利亚,占74%的优势。与育种实践相关的创新主要来自当地的社会_x0002_技术网络,而公共服务的正式推广是无效的(0.64%)。在获取创新信息方面,第1组似乎占据了第一位,其次是G2和第3组。社会技术网络在这三个群体中占27%至33%。兽医在G1期和2期贡献了25%;G3为41%。
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引用次数: 0
The last chance of intermodal strategies for redistribution of vegetables from Southeast of Spain 西班牙东南部蔬菜再分配多式联运战略的最后机会
IF 1 4区 经济学 Q2 Social Sciences Pub Date : 2022-09-16 DOI: 10.30682/nm2203g
Juan Carlos Pérez Mesa
European Administration has spent years trying to shift traffic from the road to the sea, using intermodality in order to achieve a modal rebalancing. Meanwhile we keep waiting. This study analyses new approaches that strengthen the modal shift, rather than focusing simply on the reduction of externalities. A possible option is to redefine ports, conceptualising them as redistribution and coordination centers and not only as areas of cargo exchange. The present article analyses this problem by attempting to promote intermodality (truck and short sea shipping) for the transport of highly perishable products (vegetables) exported from southeast Spain, which is the leading supplier to Europe. It is analysed the location of coordination centers between customer-provider by applying a p-median multicriteria model, adapted to the transport of perishables. This scheme avoids bias in decision-making processes.
欧洲政府多年来一直试图将交通从公路转移到海上,使用多式联运来实现模式的再平衡。与此同时,我们继续等待。本研究分析了加强模式转变的新方法,而不是简单地关注外部性的减少。一个可能的选择是重新定义港口,将其概念化为再分配和协调中心,而不仅仅是货物交换的地区。本文通过尝试促进多式联运(卡车和短途海运)来分析这一问题,以运输从西班牙东南部出口的高度易腐产品(蔬菜),西班牙东南部是欧洲的主要供应商。应用适用于易腐品运输的p中值多标准模型,分析了客户-供应商之间协调中心的位置。这个方案避免了决策过程中的偏见。
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引用次数: 1
Local partnerships for the development of coastal regions: a review of Fisheries Local Action Groups with focus on the Mediterranean 促进沿海地区发展的地方伙伴关系:审查以地中海为重点的渔业地方行动小组
IF 1 4区 经济学 Q2 Social Sciences Pub Date : 2022-09-16 DOI: 10.30682/nm2203c
Alberto Ceccacci, L. Mulazzani, G. Malorgio
In the last programming period of the European Maritime Fisheries Fund, Fisheries Local Action Groups (FLAGs) have been in charge of meeting the objectives of Union Priority 4, aimed at boosting territorial cohesion and employment in European coastal areas. These local partnerships have hence received support for the elaboration of local development strategies that should promote both territorial and sectorial projects, balancing the interests of the different stakeholders involved. This article provides for a literature review of the scientific contributions on FLAGs, organizing the main findings according to the six dimensions of the Porter’s Diamond Model in the context of the cluster analysis on coastal communities’ competitiveness. Moreover, by focusing on FLAGs from Italy, Spain and France, the paper discusses the orientation towards sectoral and territorial interests in the Mediterranean. It emerges that while the literature has mostly emphasized their territorial functions, FLAGs- especially those in areas with relatively higher incidence of employment in fisheries-related sectors- have prioritized projects of sectorial scope.
在欧洲海洋渔业基金的上一个方案拟订期间,渔业地方行动小组负责实现旨在促进欧洲沿海地区领土凝聚力和就业的联盟优先事项4的目标。因此,这些地方伙伴关系在制定地方发展战略方面得到了支持,这些战略应促进领土和部门项目,平衡不同利益攸关方的利益。本文从波特钻石模型的六个维度对沿海社区竞争力聚类分析的主要研究成果进行了梳理。此外,通过关注意大利、西班牙和法国的国旗,本文讨论了地中海部门和领土利益的方向。结果是,虽然文献大多强调其领土职能,但旗国- -特别是在渔业相关部门就业相对较高的地区的旗国- -优先考虑部门范围的项目。
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引用次数: 1
Farmers’ perceptions of water management in Jemna oasis, Southern Tunisia 突尼斯南部杰姆纳绿洲农民对水资源管理的看法
IF 1 4区 经济学 Q2 Social Sciences Pub Date : 2022-07-08 DOI: 10.30682/nm2205d
S. Farolfi, E. Lavaine, S. Morardet, Oumaima Lfakir, F. Khamassi, M. Willinger
Groundwater resources are a crucial driver of development. Since the 1970s, the expansion of irrigated land on the margins of the existing ‘traditional’ oases has been encouraged by the Tunisian authorities to enhance local development. As a result, oases in Southern Tunisia are currently facing sustainability concerns. Thissituation requires alternative water management approaches, in which local actors collaborate and contribute to the design of new rules. To understand Tunisian oasis farmers’ perceptions of water rules and public organisations, in 2021, we conducted an online survey in Jemna, an oasis in the Kebili region in Southern Tunisia.The picture that emerged from the online survey is that farmers in extension areas have distinctive characteristics but also similarities with farmers in the traditional oasis. Both types of farmers mainly cultivate date palm (monoculture), and, like farmers in the extensions, many farmers in the traditional oasis have a private borehole.All farmers in the Jemna oasis clearly perceive the limited availability and poor quality of the groundwater resource. However, they do not believe these problems cause conflict among farmers. They consider that, to solve possible conflicts and to ensure better water management in the oasis, collaboration among farmers ismore effective than changes to rules issued by existing organisations. These preliminary results, if confirmed, can have important policy implications, as the farmers’ perceptions of water rules and organisations, as well asfarmers’ willingness to collaborate, are crucial for a possible new approach to water management in the oasis.
地下水资源是发展的重要驱动力。自20世纪70年代以来,突尼斯当局一直鼓励在现有“传统”绿洲边缘扩大灌溉土地,以促进当地发展。因此,突尼斯南部的绿洲目前正面临可持续性问题。这种情况需要替代性的水资源管理方法,在这种方法中,当地行为者进行合作,并为新规则的设计做出贡献。为了了解突尼斯绿洲农民对水规则和公共组织的看法,2021年,我们在突尼斯南部凯比利地区的绿洲杰姆纳进行了一项在线调查。在线调查显示,延伸地区的农民有着独特的特点,但也与传统绿洲的农民有相似之处。这两种类型的农民都主要种植椰枣(单一种植),而且,与扩建地区的农民一样,传统绿洲中的许多农民都有一个私人钻孔。杰姆纳绿洲的所有农民都清楚地意识到地下水资源的有限性和质量差。然而,他们不认为这些问题会引起农民之间的冲突。他们认为,为了解决可能的冲突并确保绿洲更好的水资源管理,农民之间的合作比改变现有组织发布的规则更有效。这些初步结果如果得到证实,可能会产生重要的政策影响,因为农民对水规则和组织的看法,以及农民合作的意愿,对于绿洲水管理的可能新方法至关重要。
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引用次数: 0
Comparing the uses of available laborand capital in diversified farming systemsin Drâa oases (Morocco) 比较<s:2>绿洲(摩洛哥)多样化农业系统中可用劳动力和资本的使用情况
IF 1 4区 经济学 Q2 Social Sciences Pub Date : 2022-07-08 DOI: 10.30682/nm2205b
Mohamed Taher Sraïri, Younes Naqach
In this study, uses of labor were characterized using the ‘Work Balance’ method in a sample of 17 oasis farms. The results showed that almost 44% of total uses of labor are devoted to livestock, while the remainders 56% are used for crops. The labor required to raise livestock was almost entirely (92%) provided by family member, whereas that required for crops was mostly provided by hired laborers. Date palms are the pillar of the oasis farming system and enable the positive synergies of this mixed crop/livestock system. Date wastes and cereal straw are used to feed the animals, while the livestock supplies the farmers with milk and meat, and their sale ensures the purchase of agricultural inputs in the period preceding date harvest. Our results show that labor is an essential component of oasis farming systems, as it provides opportunities to achieve a circular economy. Otherwise, on farms specialized in crops that have no livestock, the economic efficiency of labor is higher, thanks to higher investments. Taken together, these results suggest that there are ways to improve the efficiency of the uses of labor on oasis farms.
在这项研究中,使用“工作平衡”方法对17个绿洲农场的劳动力使用进行了表征。结果表明,近44%的劳动力用于畜牧业,其余56%用于农作物。饲养牲畜所需的劳动力几乎全部(92%)由家庭成员提供,而种植作物所需的大部分由雇佣的劳动力提供。椰枣是绿洲农业系统的支柱,使这种混合作物/牲畜系统能够发挥积极的协同作用。椰枣废料和谷物秸秆被用来喂养动物,而牲畜则为农民提供牛奶和肉,它们的出售确保了在收获日期之前购买农业投入。我们的研究结果表明,劳动力是绿洲农业系统的重要组成部分,因为它为实现循环经济提供了机会。否则,在专门种植没有牲畜的作物的农场,由于投资增加,劳动力的经济效率更高。总之,这些结果表明,有一些方法可以提高绿洲农场的劳动力使用效率。
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引用次数: 1
A field survey suggests changes in oasis characteristics in the Kebili region of southern Tunisia 一项实地调查表明,突尼斯南部Kebili地区的绿洲特征发生了变化
IF 1 4区 经济学 Q2 Social Sciences Pub Date : 2022-07-08 DOI: 10.30682/nm2205a
H. Benmoussa, N. El Kadri, N. Ben Aissa, M. Ben Mimoun
Since their establishment, “traditional” oases have been known to be three-layered, while modern oaseshave been organized from their outset with one layer only of ‘Deglet Nour’ date palm cultivars. However, these definitions may no longer apply for Kebilian oases. A survey was therefore carried out on a random sample of 52 plots in Kebilian oases (“traditional” n=26 and “modern” n=26) to investigate the current situation. The data collected were analysed by the Pivot Tables method and a Chi-2 test of independence, and by a Multiple Component Analysis completed by an Ascending Hierarchical Classification analysis to characterise and classify each oasis type. Our results showed that “modern” oases have greater crop diversity than expected and can be organized in two or three-layer oases. In contrast, high crop diversity and the three vertical layers were found to be less frequent than expected in “traditional” oases. Our investigation found water availability in the oases, and irrigation frequency, to be the key factors of Kebilian oasis layout and typology changes. Agro-biodiversity losses could jeopardize the sustainability of the oasis system in “traditional” oases.
自成立以来,“传统”绿洲被认为是三层的,而现代绿洲从一开始就只有一层“Deglet Nour”椰枣品种。然而,这些定义可能不再适用于Kebilian绿洲。因此,对Kebilian绿洲(“传统”n=26和“现代”n=26)的52个地块进行了随机抽样调查,以调查现状。通过数据透视表方法和Chi-2独立性测试,以及通过递增层次分类分析完成的多成分分析,对收集的数据进行分析,以表征和分类每种绿洲类型。我们的研究结果表明,“现代”绿洲的作物多样性比预期的要大,可以分为两个或三个绿洲。相比之下,在“传统”绿洲中,高作物多样性和三个垂直层的出现频率低于预期。我们的调查发现,绿洲的可用水量和灌溉频率是柯比连绿洲布局和类型变化的关键因素。农业生物多样性的丧失可能危及“传统”绿洲绿洲系统的可持续性。
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引用次数: 1
The outward journey of a local innovation: the dissemination of an artisanal irrigation pivot from Algeria’s Sahara 地方创新的对外之旅:阿尔及利亚撒哈拉地区手工灌溉枢纽的传播
IF 1 4区 经济学 Q2 Social Sciences Pub Date : 2022-07-08 DOI: 10.30682/nm2205e
Abdelkrim Ould Rebai, T. Hartani, M. Kuper
User-led innovation is increasingly happening in a globalized context, connecting local experience to outside ideas, knowledge, and technologies. Alternatively, local innovations designed, manufactured and marketed for a particular context travel to other settings. We analyze the diffusion of a low-cost artisanal irrigation pivotfrom the Suf Valley (Algeria) to other Saharan regions and even to Saudi Arabia and Sudan. We conducted 27 semi-structured interviews with manufacturers, farmers, government agents, and made field observations on 18 farms in 2020/2021. The diffusion of the pivot was enabled by extending the innovation system to trustedinnovation intermediaries in new settings, who played an active role in adapting the technology and support services to local agrarian systems. However, while the innovation homeland can be considered an open innovation environment, manufacturing and after-sales services in the new settings were tightly controlled bymanufacturers to secure intellectual property and maintain a monopoly. This study contributes to the debate on the creativity of local innovation actors and their involvement in (supra)national agricultural development.
用户主导的创新越来越多地发生在全球化的背景下,将本地体验与外部思想、知识和技术联系起来。或者,为特定环境设计、制造和营销的本地创新会传播到其他环境。我们分析了低成本手工灌溉从苏夫河谷(阿尔及利亚)到其他撒哈拉地区,甚至到沙特阿拉伯和苏丹的扩散情况。2020/2021年,我们对制造商、农民、政府机构进行了27次半结构化采访,并对18个农场进行了实地观察。通过将创新系统扩展到新环境中值得信赖的创新中介机构,这些中介机构在使技术和支持服务适应当地农业系统方面发挥了积极作用,从而实现了支点的扩散。然而,尽管创新家园可以被视为一个开放的创新环境,但新环境下的制造和售后服务受到制造商的严格控制,以确保知识产权并保持垄断。这项研究有助于讨论地方创新行为者的创造力及其参与(超)国家农业发展的问题。
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引用次数: 0
Reinventing the wheel: adapting a traditional circular irrigation system to ‘modern’ agricultural extensions in Algeria’s Sahara 改造轮子:使传统的循环灌溉系统适应阿尔及利亚撒哈拉的“现代”农业扩展
IF 1 4区 经济学 Q2 Social Sciences Pub Date : 2022-07-08 DOI: 10.30682/nm2205c
Amine Mohamed Saidani, M. Kuper, Farah Meriem Hamamouche, A. Benmihoub
One of the most elaborate community initiatives for the management of groundwater consists of managed aquifer recharge and use. In the oases in the M’zab valley in the Algerian Sahara, the collective action that upholds these initiatives has been challenged in past decades by the development of intensivegroundwater use with individual pumps in new agricultural areas. However, faced with water shortage and inspired by the more circular irrigation practices in oases, farmers are increasingly creating local use loops in these extension areas by installing recharge devices and using water more carefully. Thisstudy analyzes the functioning of the circular managed aquifer recharge and use system in Beni Isguen oasis, and how farmers have reinvented it in agricultural extensions, creatively combining it with modern technologies to engage in market-oriented agriculture. Reinventing circular practices in new agriculturalextensions can contribute to more environmentally sustainable forms of agriculture.
地下水管理方面最精细的社区举措之一是有管理的含水层补给和使用。在阿尔及利亚撒哈拉M'zab山谷的绿洲中,维护这些倡议的集体行动在过去几十年中受到了挑战,因为在新的农业地区开发了使用单独水泵的集约地下水。然而,面对缺水问题,受绿洲更为循环灌溉做法的启发,农民们越来越多地通过安装补给装置和更谨慎地用水,在这些延伸地区创建当地使用循环。本研究分析了Beni Isguen绿洲循环管理含水层补给和使用系统的功能,以及农民如何在农业推广中对其进行改造,创造性地将其与现代技术相结合,以从事市场化农业。在新的农业领域重新创新循环实践可以有助于更环保的农业形式。
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引用次数: 0
EFFICIENCY AND TECHNOLOGY OF DAIRY SHEEP PRODUCTION SYSTEMS IN CASTILLA-LA MANCHA, SPAIN. A METAFRONTIER APPROACH 西班牙卡斯蒂利亚-拉曼查奶羊生产系统的效率和技术。一种超前沿方法
IF 1 4区 经济学 Q2 Social Sciences Pub Date : 2022-03-31 DOI: 10.30682/nm2201c
M. Morantes, R. Dios-Palomares, David Alcaide López de Pablo, José Rivas
This paper deals with the efficiency level of cereal-dairy sheep production systems in the Mediterranean Basin. It studies them in the Protected Designation of Origin “Manchego Cheese”, located in Castilla-La Mancha (Spain). Previous studies have alerted to the low productivity levels in these farms, suggesting conducting an efficiency analysis. This work evaluates technological levels by means of synthetic indexes. Two different groups were defined. Technical efficiency was estimated using Data Envelopment Analysis with metafrontier models. The higher the technological level, the higher the efficiency level. Low technology farms could increase their production at least around 23% using the technologies of the high-technology group. Thus, it could be wise to apply new technologies, as new feeding techniques, and the use of troughs of cement, dungheaps, flushing and selective breeding. Increase farm size is a way to implement these technologies. Special attention to managerial functions, mainly organisation and planning, is also advisable. The government must improve the agricultural policies. These actions could increase efficiency, resiliency and sustainability of the farms. Keywords: dairy sheep production systems, data envelopment
本文研究了地中海盆地谷物-奶羊生产系统的效率水平。它在位于卡斯蒂利亚-拉曼查(西班牙)的受保护原产地名称“曼切戈奶酪”中研究它们。以前的研究已经提醒人们注意这些农场的低生产力水平,建议进行效率分析。本文采用综合指标评价技术水平。定义了两个不同的组。采用元前沿模型的数据包络分析估计技术效率。技术水平越高,效率水平越高。低技术农场使用高技术集团的技术至少可以增加23%左右的产量。因此,应用新技术,如新的饲养技术,使用水泥槽、粪堆、冲洗和选择性育种可能是明智的。扩大农场规模是实施这些技术的一种方式。特别注意管理职能,主要是组织和计划,也是可取的。政府必须改进农业政策。这些行动可以提高农场的效率、弹性和可持续性。关键词:奶羊生产系统;数据包络
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引用次数: 0
The Adoption of Water-Saving Irrigation Technologies in the Mitidja Plain, Algeria: An Econometric Analysis 阿尔及利亚米蒂贾平原节水灌溉技术的应用:经济计量分析
IF 1 4区 经济学 Q2 Social Sciences Pub Date : 2022-03-31 DOI: 10.30682/nm2201d
Samir Belaidi, Foued Chehat, M. Benmehaia
This study aims to identify and analyze the major determinants that affect the adoption choice, rate and intensity of water-saving irrigation technologies (sprinkler and drip irrigation techniques) available in the western part of the irrigated perimeter of Mitidja Plain, Algeria. A sample of 136 farmers (28.75%) was randomly selected and surveyed using a structured questionnaire. Three econometric models were used, namely the Logit, Tobit and Poisson regression models. The main findings of the resulted models indicated that capital constraints (credit access, investment costs and subsidies) along with some human capital aspects (age, educational level) and water extraction cost, are the main determinants expected to influence the WSIT adoption choice, rate and intensity in the study area. These results will help to prioritize the factors that affect adoption decisions and provide insights for improving the crop and water productivity.
本研究旨在确定和分析影响阿尔及利亚Mitidja平原西部灌溉周界节水灌溉技术(洒水和滴灌技术)采用选择、率和强度的主要决定因素。随机抽取136名农户(28.75%),采用结构化问卷进行调查。采用Logit、Tobit和Poisson三种计量经济模型。结果模型的主要发现表明,资本约束(信贷获取、投资成本和补贴)以及一些人力资本方面(年龄、教育水平)和取水成本,是影响研究区域采用WSIT的选择、比率和强度的主要决定因素。这些结果将有助于确定影响采用决定的因素的优先次序,并为提高作物和水生产力提供见解。
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引用次数: 1
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New Medit
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