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今年 10月将在我国北京召开"中非合作论坛--北京 2000年部长级会议"。这是中非关系和新中国 50年外交史上的创举,是中国政府巩固和加强中非友好关系的重要举措,必将产生深远的重大影响。为了配合这次会议的召开,本刊特邀请农业部刘坚副部长,非洲农业开发中心等单位的非洲问题专家撰文,介绍有关中非农业交流合作和非洲农业的情况。 相似文献
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正(2018年8月)农业是中非合作的重点领域和重要利益交汇点。自2006年中非合作论坛北京峰会以来,中国与非洲各国携手推进农业合作,迄今已走过12个年头。在中非国家领导人的关心支持和领导推动下,各方落实习近平主席打造中非休戚与共命运共同体的指示 相似文献
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中非合作是"一带一路"倡议的重要组成部分,在"一带一路"倡议下,中国对非洲农业合作进入了发展的新时期。本文梳理了新时期中国对非洲农业援助和投资政策及其所呈现的中非减贫合作政策的内容和特点,并根据中国对非洲农业政策分析了其中所蕴含的减贫路径,即注重中国农业发展和减贫经验的示范性和启示性,突出非洲国家减贫实践的主体性和参与性,促进对非洲减贫工作的多样性和可持续性以及坚持以"开发性扶贫"推动非洲减贫目标的实现4个方面。同时,根据本文的研究发现在推进中国对非洲减贫合作的制度化和机制化建设等方面提出了完善中国对非洲农业政策及其减贫路径的对策建议。 相似文献
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从中非木材贸易的产品结构特征与地域分布特征分析中非木材贸易现状;再分析了中非木材贸易环境的变化:非洲进口的原木量逐年上升、锯材贸易从单向进口逐渐发展为双向贸易。然后揭示了中非木材贸易环境变化的新特征。最后,提出应高度重视非洲森林资源潜力、鼓励国内有条件的企业加深对非洲的投资与合作,国家在政策与资金上予以必要扶持的政策建议。 相似文献
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本文针对我国目前正在流行的非洲猪瘟疫情,分析了疫病流行带给我们的启示,同时对如何防控非洲猪瘟及其它外来疫病提出了几点建议,以期为制定非洲猪瘟根除计划及采取有效的防控措施提供参考。 相似文献
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简述了非洲国家热带重要作物病虫害防治技术培训班的筹备工作、执行情况、突发事件及处理、开班与结业典礼等相关工作的管理措施,就如何加强培训班的管理提出了相关建议。 相似文献
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非洲猪瘟发生对我国生猪产业发展的影响 总被引:6,自引:0,他引:6
非洲猪瘟已在我国的多个省/区发生,对我国生猪产业发展造成较大冲击。概述了非洲猪瘟疫情发生情况,阐述了非洲猪瘟发生以来我国采取的防控措施以及存在的防控难点,在此基础上分析了非洲猪瘟发生对疫区的生猪产业和我国猪肉市场造成的影响。为防控非洲猪瘟以及其他类似重大疫病发生,需要从建立和完善监测预防系统和猪肉可追溯体系、提高消费者意识、保障养殖户利益、注重产业链整合与延伸、加强基层队伍建设等方面采取应对措施。 相似文献
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Drucilla Byars 《Agriculture and Human Values》1996,13(3):74-78
Traditional African American foods, also referred to as “soul food,” are often given a blanket label of “poor food choices.” The cultural value of these ethnic foods may be disregarded without sufficient study of their nutrient content. This study showed that of the various foods perceived as traditionally African American by the local sampled population, greens were the most often identified as such by 78% and the most frequently consumed (22%) by the subjects. 37% perceived chitterlings as a traditional food, yet only 30% consumed them, and only on an occasional basis. Okra, yams, and black-eyed peas had relatively high consumptions but were not often perceived as traditional African American foods. The latter may suggests a lack of historical food facts, relating to indigenous African foods or may indicate the mainstreaming of these foods. Cowpeas or black-eyed peas, okra, sesame seeds, and watermelon seeds were originally brought to North America from Africa. The literature contains scant information on this particular topic, which leaves unanswered: (1) the current consumption of traditional foods by African Americans, (2) certain availability of these foods; and (3) the positive contributions to the diet that these foods may contribute. The author recognizes that “African American” is the most appropriate and preferred term used widely today, to refer to African descendants in North America, however “Black” and “Black American” will be used interchangeably, to reflect consistency of literature cited herein. First, this article will define traditional African American foods and relate their historical significance. Secondly, it will present data on current food consumption from a sample population of African Americans surveyed in San Diego. Lastly, this article will explore possible applications of the research itself. 相似文献
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Richman LK Montali RJ Garber RL Kennedy MA Lehnhardt J Hildebrandt T Schmitt D Hardy D Alcendor DJ Hayward GS 《Science (New York, N.Y.)》1999,283(5405):1171-1176
A highly fatal hemorrhagic disease has been identified in 10 young Asian and African elephants at North American zoos. In the affected animals there was ultrastructural evidence for herpesvirus-like particles in endothelial cells of the heart, liver, and tongue. Consensus primer polymerase chain reaction combined with sequencing yielded molecular evidence that confirmed the presence of two novel but related herpesviruses associated with the disease, one in Asian elephants and another in African elephants. Otherwise healthy African elephants with external herpetic lesions yielded herpesvirus sequences identical to that found in Asian elephants with endothelial disease. This finding suggests that the Asian elephant deaths were caused by cross-species infection with a herpesvirus that is naturally latent in, but normally not lethal to, African elephants. A reciprocal relationship may exist for the African elephant disease. 相似文献
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非洲猪瘟疫情影响下我国畜禽产品价格波动的动态关系研究——基于舆情管理视角 总被引:3,自引:2,他引:1
本文通过构建非洲猪瘟舆情指数以作为疫情变动的测度指标,基于2018年8月—2019年6月的周度数据,运用矢量自回归模型(VAR),利用Granger因果检验、脉冲响应等计量方法,探讨非洲猪瘟舆情指数变动对于畜禽肉类产品价格波动的动态影响。分析结果表明,非洲猪瘟舆情会对不同的肉类产品价格造成影响,但不同的肉类产品所受到的冲击和影响不同,且这种影响具备一定的时变性;非洲猪瘟舆情对于猪肉价格和鸡肉价格冲击最大,其次是鸭肉,最后是牛肉和羊肉,羊肉所受到的影响最小;非洲猪瘟舆情对于肉类市场价格的冲击作用迅速,对除猪肉以外肉类价格影响的持续期不长;非洲猪瘟舆情指数变动对于各种肉类都存在着正向和负向相结合的影响,且这种影响在后期存在反转效应;非洲猪瘟疫情的信息在肉类产业的传导较为顺畅。基于此,政府应将非洲猪瘟舆情纳入畜禽市场价格预警系统,加强疫情监控力度;相关部门应积极协助相关企业,对疫情的网络舆情进行有序引导;相关企业应该严控禽肉产能,避免禽肉无序扩张生产、供求失衡。 相似文献
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African hot spot volcanism: small-scale convection in the upper mantle beneath cratons 总被引:2,自引:0,他引:2
Numerical models demonstrate that small-scale convection develops in the upper mantle beneath the transition of thick cratonic lithosphere and thin oceanic lithosphere. These models explain the location and geochemical characteristics of intraplate volcanos on the African and South American plates. They also explain the presence of relatively high seismic shear wave velocities (cold downwellings) in the mantle transition zone beneath the western margin of African cratons and the eastern margin of South American cratons. Small-scale, edge-driven convection is an alternative to plumes for explaining intraplate African and South American hot spot volcanism, and small-scale convection is consistent with mantle downwellings beneath the African and South American lithosphere. 相似文献
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通过对切花非洲菊不同基质组合随机区组设计,以常规土壤栽培为对照进行试验,分析比较不同基质对切花非洲菊生长及开花的影响,从中筛选比较适合切花非洲菊无土栽培的基质配方。试验结果表明,以煤渣 珍珠岩 草炭土(2:1:1)为最佳配方。 相似文献
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Elephants from the tropical forests of Africa are morphologically distinct from savannah or bush elephants. Dart-biopsy samples from 195 free-ranging African elephants in 21 populations were examined for DNA sequence variation in four nuclear genes (1732 base pairs). Phylogenetic distinctions between African forest elephant and savannah elephant populations corresponded to 58% of the difference in the same genes between elephant genera Loxodonta (African) and Elephas (Asian). Large genetic distance, multiple genetically fixed nucleotide site differences, morphological and habitat distinctions, and extremely limited hybridization of gene flow between forest and savannah elephants support the recognition and conservation management of two African species: Loxodonta africana and Loxodonta cyclotis. 相似文献