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21.
22.
Effects of population fluctuation of the gray-sided vole(Clethrionomys rufocanus) on the prevalence (infection rates) of the parasiteEchinococcus multilocularis in red fox(Vulpes vulpes) populations was investigated from 1985 to 1992 in eastern Hokkaido (Abashiri, Nemuro, and Kushiro area), Japan. This parasite
needs two hosts to complete its life cycle; the gray-sided vole as its intermediate host and the red fox as its final host.
We found that: (1) Infection rates in foxes depended on the current-year abundance of voles in all three study areas, particularly
in Abashiri. (2) In addition to this direct density-dependence, delayed density-dependence between the infection rate and
the prior-year abundance of voles was detected in Nemuro and in Kushiro. (3) The regional differences in density-dependence
pattern were related to regional differences in the winter food habits of red foxes: in Abashiri the proportion of voles in
the fox’s diet greatly decreases in winter, while the proportion remains high in winter in Nemuro and in Kushiro, probably
because of shallower snowpack. These results suggest that infection rates in foxes in Abashiri were less influenced by the
prior-year prevalence, since the infection cycle might be interrupted in winter, when voles became less important in fox’s
diet. In contrast, the state of the prevalence may carry over from year to year in Nemuro and in Kushiro, because red foxes
continue to eat a considerable amount of voles throughout year. The regionally contrasted results for the relationship between
infection rate in foxes and vole abundance were parallel to the regional difference in fluctuation pattern of vole populations,
which are highly variable in Abashiri area, but less variable in Kushiro-Nemuro area. Drastic change in vole populations appears
to affect the host-parasite system. 相似文献
23.
Mutsuko Takahashi 《Gender Issues》1994,14(1):37-55
The aim of this article is to analyze how the gender division of labour has been embodied in the social expectation of women’s roles in urban settings, mainly with respect to married people in contemporary Japan. Especially among Japanese feminist researchers it is much discussed how gender role consciousness and the traditional division of labour have fettered the behaviour of the Japanese—both men and women. I start my discussion by examining the distinction between public and private spheres that seems to be used in different ways by researchers. The gender division of labour functions as a “vicious circle” in hindering possibilities for change, making it more difficult for women to obtain the same primary positions in working life as men and, at the same time, preventing men from enjoying family life as much as women. 相似文献
24.
Data from interviews with 973 Taiwan women between the ages of 15 and 44 having at least one child and living with husbands are used to study the effects of modernity and social status on fertility preferences. The modernity attitude contributes significantly to the explanation of fertility preferences independent of social status variables. Social status variables also contribute directly to the explanation of fertility preferences. But there is little evidence to support theories that modernity acts as an intervening variable between social status and fertility preference. 相似文献
25.
Melissa Lemons Olga A. Vásquez Kathryn Au Keiko Takahashi Bonnie A. Nardi 《思想、文化和活动》2013,20(2):143-156
Review Symposium: Cross‐Cultural Roots of Minority Child Development. P.M. Greenfield & R. R. Cocking (Eds.). Hillsdale, NJ: Lawrence Erlbaum, 1994. 431 pp. $89.95, $39.95 (paper). Understanding Practice. S. Chaiklin and J. Lave (Eds.). Cambridge: Cambridge University Press, 1993. 414 pp. $59.95. 相似文献
26.
Miharu Nakanishi PhD Taeko Nakashima PhD Yukako Yamaoka MPH Keiko Hada LLB Hideaki Tanaka MPE 《Journal of elder abuse & neglect》2013,25(1):31-43
The present study examines differences in systems development and difficulties in implementing procedures for elder abuse prevention in 1,119 private and 606 public community general support centers under the public long-term care insurance program in Japan. The private community general support centers showed more difficulty implementing procedures than the public community general support centers. Controlling for the type of municipality, progress in systems development did not differ between the private and public community general support centers. Further research should examine how the characteristics of municipal governments are related to systems development in community general support centers. 相似文献
27.
In this article, we consider testing independence among components of random vector in multivariate normal population. For testing independence, we use the modified likelihood ratio test statistic which is improved an approximation to χ2 distribution of the likelihood ratio test statistic. In order to perform simultaneous tests for independence among components of random vector, we use the step-down multiple comparison procedure based on the closed testing procedure proposed by Marcus et al. (1976). Finally, we perform Monte Carlo simulations and present numerical results. 相似文献
28.
Using dictator game experiments, the authors investigate the effect on donation of the dictator and/or recipient working prior to the dictator donating. We focus on two issues that previous studies have not considered. First, we examine the impact on donating behavior of a difference in endowment caused by the dictator's work performance. Second, we explore donation behavior when the recipient's work does not yield income or affect the dictator's endowment, but the recipient's work performance is made known to the dictator. Experimental results indicate that donating behavior is affected not only by the dictator working, but also by the recipient working. In addition, donating behavior is affected by income level, as determined by the dictator's work performance, and is influenced by the recipient's work performance, two findings not previously reported. 相似文献
29.
This paper examines how firms' decision to start exporting is affected by the availability of information on export markets. Unlike existing studies that focus on information sharing among firms, we are interested in the information provided by firms' main bank. Specifically, using a unique data set containing information on both Japanese firms' export activities and the experience of their main bank (i.e., their top lender bank) in transacting with other exporting firms, we examine whether main banks act as a conduit of information on export markets. We find that information spillovers through main banks positively affect client firms' decision to start exporting (extensive margin), implying that information on foreign markets provided by banks substantially reduces the fixed entry cost of exporting. On the other hand, we do not find any evidence that information provided by banks has an effect on the export volume or on the growth rate of exports (intensive margin). Our results highlight that channels of information spillovers other than those examined in the literature so far may be of considerable importance. (JEL F10, F14, G21) 相似文献
30.
Keiko Doering Jean Patterson Christine R. Griffiths 《Women and birth : journal of the Australian College of Midwives》2014,27(2):121-125
BackgroundIn Japan, most women manage labour pain without pharmacological interventions. However, New Zealand statistics show a high percentage of epidural use amongst Asian women. Entonox (a gas mixture of nitrous oxide and oxygen) and pethidine are also available to women in New Zealand. This article investigates how Japanese women in New Zealand respond to the use of pharmacological pain relief in labour.QuestionsThe study was guided by two research questions: (1) How do Japanese women experience and manage labour pain in New Zealand? (2) How do they feel about the use of pharmacological pain relief?MethodsThirteen Japanese women who had given birth in New Zealand were interviewed individually or in a focus group. The conversations were analysed using thematic analysis.FindingsAlthough in Japan very few women use pain relief, nine women received epidural and/or Entonox out of 11 women who experienced labour pain. The contrast between their Japanese cultural expectations and their birth experiences caused some of the women subsequent personal conflict.ConclusionJapanese women's cultural perspectives and passive attitudes were demonstrated to influence the decision-making process concerning pain relief. It was concluded that understanding Japanese cultural worldviews and approaches to the role of pain in labour would help maternity providers in their provision of appropriate care for Japanese women. 相似文献