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1.
This paper is the outcome of a lecture held at the Institute of Archaeology, University College London. It provides a summary in English of the archaeozoological research work which has been carried out in Central Europe during the last 30 years, with special reference to material from medieval times. It is shown that a thorough zoological analysis of bones from excavations provides much information for historical interpretation. Not only was the ratio of wild and domestic animals or of the different species of interest, but also the age and sex structure of the population by taking the function of the site into consideration. Some observations on animal teeth gave indications of distinctive handicrafts. Cut marks on cervical vertebrae of horse skeletons found as grave goods from early medieval times were considered in connection with beliefs and juridical conceptions of that time.  相似文献   
2.
One of the most important phases of case‐oriented research is identifying the relevant population of cases. The best practice scheme suggests first identifying the positive and then the negative cases, based on the assumption that the population is small and known. This scheme is inapplicable when the population is unknown, as is the case with many public administration and public policy outcomes, which are often less visible. However, most research either ignores this difficulty or recommends a single case study. This article suggests that when the population is unknown scholars can apply the possibility principle to identify the relevant population of cases. In order to do so, a large dataset is required. In policy studies, the Comparative Agendas Project (CAP) can serve this aim. This article highlights CAP's applicability for case selection based on the possibility principle in two less visible policy outcomes: conversion and drift. In that, it not only addresses an overlooked challenge but also promotes both CAP as a useful tool for qualitative researchers and the expansion of comparative work on conversion and drift.  相似文献   
3.
本文考证了渭南、华县之间的赤水河“桥上桥”的建造年代及形成原因。通过对有关历史资料深入研究,确证下桥始建于清初(1667年),上桥则建于清朝中叶(1832年)。赤水河中上游的过度垦殖和植被破坏带来的生态环境恶化造成了下游河床泥沙淤积,形成了地面悬河,原赤水桥为泥沙淹塞,失去功能,故不得不在桥上建桥。桥上桥的形成是当地生态环境变化的结果和标志。  相似文献   
4.
This paper examines recent trends in sex ratio at birth in all the major states of India, based on three rounds of the National Family Health Survey. It finds evidence of an increase in the ratio, particularly at the second-order birth among women having a first daughter in many states in the northwestern region of the country. Also, there are signs of daughter aversion emerging in Odisha, an eastern state. Based on parity progression ratios and the trend in sex selection, an attempt is made to estimate the peak of sex ratio at birth in India. With moderate intensification in sex selection in the northwestern region, sex ratio at birth is expected to reach a peak of 117–119 males per 100 females around the period 2021–2026. If, in addition, sex selection spreads further in the southeastern region, the sex ratio at birth in India could even increase to a level of 124.  相似文献   
5.
The preference for sons in China and discrimination against girls have resulted in a male marriage squeeze. This paper develops two new indices of the sex ratio among potential first marriage partners by normalising first marriage frequencies and by eliminating the tempo effect in first marriage. Using two newly developed indices and two existing ones, the authors predict China's marriage squeeze for the period 2000–2100. The authors find that the new indices produce almost the same results as the existing ones when measuring the sex ratios of marriageable males to females. For the years 2015 to 2050, the sex ratio of potential males to females is over 1.15, and then fluctuates around 1.1 after 2060. From 2015 to 2045, China will face an annual surplus of one million males. However, if the high sex ratio at birth cannot be controlled, the male marriage squeeze will be much more severe.  相似文献   
6.
Abstract.

Australian Bureau of Statistics Total Fertility Rate (TFR) statistics are available from 1921 for Australia, and for census years between 1947 and 1966 for the states, and then on an annual basis from 1971. Using historical, statistical publications, annual TFRs for Australia and the states dating back to federation in 1901 were calculated directly in years where data are available and estimated indirectly via the standardized fertility ratio in other years. For some periods where direct TFR estimation was applied, age-specific births used in the numerators of fertility rates must be estimated from partial data. Combined with Australian Bureau of Statistics data, the authors’ estimated TFRs contribute an uninterrupted time series of national and state TFRs for Australia from 1901 to 2011.  相似文献   
7.
Over a period of some 100 years it has gradually been accepted that the human skeletal remains found in the late nineteenth century in ancient gravels at Galley Hill, Kent are not those of early man, but are of much more recent date. This conclusion was finally verified by means of relative (N, F) and absolute (14C) dating. Here we present the results of further analysis of the remains from Galley Hill for their uranium content by a method having general application to the relative dating of fossil human and other mammalian bone.  相似文献   
8.
Tang sancai is one of the most important types of Chinese ceramics. To determine the provenance of Tang sancai is important to study ancient trade and other issues. In this paper we compare ICP-MS trace elements and TIMS Sr–Nd isotopes of visibly similar Tang sancai from two major production centres Gongxian and Yaozhou. The variation in contents/ratios of many of >40 trace elements is small for samples from Gongxian, yet is considerably bigger for that from Yaozhou. However, the variation in 87Sr/86Sr and 143Nd/144Nd isotopic ratios is very small for samples from both places. Gongxian and Yaozhou samples have distinctive Sr–Nd isotopic and trace element features despite their similarity in major elements, and these analysis data can be interpreted with geochemistry, indicating that Sr and Nd isotopes have great potential in ceramic provenance studies. The distinct characterisation of these samples provides valuable criteria for identifying provenance of Tang sancai of uncertain origin. Two modern fakes are also analysed, and they can as well be distinguished from antique Tang sancai using above criteria.  相似文献   
9.
Iron-57 Mössbauer absorption spectra have been measured for samples of obsidian from known geological flows and from archaeological site material from the western Mediterranean region. Of the four main sources available to prehistoric man it is possible to distinguish Sardinian (SA) and Pantellerian obsidian from Lipari obsidian on the basis of differences in the local atomic surroundings of iron atoms, as determined from the Mössbauer spectra. There is, however, some overlap between Lipari and Pontine Island obsidians. The Gabellotto flow on Lipari is readily identified through the presence of magnetite inclusions. The ratio of ferric to ferrous ions is found to be much higher in the surface layers (< 60 μm) than in the bulk obsidian as detected using Mössbauer backscattering.  相似文献   
10.
The transition from hunter-gathering to agriculture (Neolithic) spread gradually across Europe from the Southeast. A reduction in cultural diversity of crop farming practices has been previously observed by comparing pre-LBK Neolithic sites in Greece and the Balkans (dated about 8500 yr BP) to LBK Neolithic sites in Central Europe (dated about 7000 yr BP). The decrease in crop diversity is statistically significant even when considering only the species less likely to have been subject to smaller productivity due to climatic factors (reductions in growing season, temperature, daylight, etc.). This reduction in cultural diversity has not been explained previously. In this paper we show that spatial drift, which occurred on the front of the advancing wave of pioneer settlements, can explain the observed loss of diversity during the LBK range expansion. Our results suggest that spatial dimensions can have a relevant effect also in other case studies in which cultural drift is important.  相似文献   
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