韩国经济地理学研究现状和趋势

至今在我国国内,有关评介韩国地理学研究状况的文章甚少。虽然韩国地理学研究历史较短,但有些领域的研究已走到了我们的前面。本文将系统地介绍韩国农业地理学、工业地理学、商业流通地理学、交通地理学的研究状况,并指出目前在经济地理学研究中所存在的一些问题和今后的发展趋势。     

清代陕西的农业开发与生态环境的破坏

清代陕西地区,在人口日益增长的压力之下,由于不顾后果的过度垦殖,森林、草原等天然植被遭到严重破坏,水土流失严重,并进而导致了干旱和水涝等自然灾害的日益频繁,耕地面积也随之减少。所以,尽管有广大农民的勤奋开发,农业生产也曾一度繁荣,但由于违反了自然规律,终难逃脱衰落的命运。     

Latitudinal variation in a photoperiod response gene in European barley: insight into the dynamics of agricultural spread from ‘historic’ specimens

Between ca. 6000 BC and ca. 500 BC, barley cultivation spread across the continent of Europe from the extreme south to the extreme north. Carbon-dating would suggest that this spread, and indeed the spread of crop cultivation generally, varied in its pace, with ‘delays’ at certain points along its route. Such delays in the spread of agriculture have been explained as resulting from the slow assimilation of agricultural practices by existing indigenous human populations or as the time taken for the crops to adapt to novel climatic conditions, such as altered temperature regimes and day-lengths. A mutant form of the photoperiod response gene, Ppd-H1, causes barley to be non-responsive to long days, while the wild-type responsive form allows plants to flower in response to long days. We sequenced this gene in 65 ‘historic’ barley accessions, from the late 19th and early 20th centuries, in order to explore the potential role of environmental adaptation in the spread of agriculture. We chose to use ‘historic’ material, to complement the richer patterns in extant genetic lines, by spreading the data range in both time and space. Our ‘historic’ barley data shows a latitudinal divide in the Ppd-H1 gene similar to that found in extant lines, but with clearer geographical resolution, and extending northwards into the Arctic Circle. We discuss the implications of our results in relation to the dynamics of agricultural spread across Europe.     

The origins of agriculture in North-West Africa: macro-botanical remains from Epipalaeolithic and Early Neolithic levels of Ifri Oudadane (Morocco)

This research aims to shed light on the early stages of agricultural development in Northern Africa through the analysis of the rich macro-botanical assemblages obtained from Ifri Oudadane, an Epipalaeolithic–Early Neolithic site from North-East Morocco. Results indicate the presence of domesticated plants, cereals (Hordeum vulgare, Triticum monococcum/dicoccum, Triticum durum and Triticum aestivum/durum) and pulses (Lens culinaris and Pisum sativum) in the Early Neolithic. One lentil has been dated to 7611 ± 37 cal BP representing the oldest direct date of a domesticated plant seed in Morocco and, by extension, in North Africa. Similarities in both radiocarbon dates and crop assemblages from Early Neolithic sites in Northern Morocco and the Iberian Peninsula suggest a simultaneous East to West maritime spread of agriculture along the shores of the Western Mediterranean. Wild plants were abundantly collected in both the Epipalaeolithic and the Early Neolithic periods pointing to the important role of these resources during the two periods. In addition to fruits and seeds that could have been consumed by both humans and domesticated animals, fragments of esparto grass (Stipa tenacissima) rhizomes have been identified. This is a western Mediterranean native plant that may have been used as a source of fibres for basketry.     

新形势下青海省农牧区改革发展的态势分析

积极推进农牧区改革发展,是全面建设小康社会和实现现代化的重大战略任务。本文围绕总体目标任务,应用态势分析方法,对新形势下青海省农牧区改革发展的内部条件和外部环境进行分析,提出了促进青海农牧区改革发展的策略。     

从出土东周带扣看其起源与传播

一、带扣的型式划分及用途分析以往的研究,对带扣进行分型定式主要是依据扣环来分,但是出土的带扣除了扣环有区别外,扣尾也有很大的区别。有的有扣尾,有的没有,有的则不分扣环和扣尾,整个为饰浮雕动物纹的牌状扣身,这就决定了它们的使用方法不     

对推行农业循环经济问题的探讨

农业循环经济的主要内容是发展生态农业。生态农业我国古已有之,如珠江三角洲的“桑基鱼塘”,是农业人工生态系统,在解放前就已出现。实现农业现代化,要把生态农业规模扩大。当前要推行生态农业村、生态农业户,这是切实可行的措施,有现实性和可操作性。     

史家王树枏及其《欧洲族类源流略》

王树枏是清末民初一位政治家、历史家,他的《欧洲族类源流略》是集中体现兵思想的历史著述。本书对欧洲历史夹叙夹议,并且时时对照中国,以种族考察为纲领而论述国家的兴衰,不同于一般外国历史地理之书,这是一个明显的特点。作者的撰著宗旨是要汲取欧洲各民族的历史鉴戒,探求中国保国、保种、保教的途径。但他主张君主政体优于民主制度,认为中国上古文化是西学之源,表现出比较保守的思想倾向,也有不少错误的臆测。王树枏在近代的思想、立场与个人经历,体现的是一大批具备爱国精神,却脱离不开传统思想体系束缚之士人的尴尬处境,然而,其社会群体的历史影响,则不可忽视。