Studies on seasonal change in habitat use by African great apes and conservation of tropical rain forest

非洲类人猿栖息地季节变化与热带雨林保护研究

基本信息

批准号：
12575017
负责人：
FURUICHI Takeshi
金额：
$ 7.87万
依托单位：
MEIJI-GAKUIN UNIVERSITY
依托单位国家：
日本
项目类别：
Grant-in-Aid for Scientific Research (B)
财政年份：
2000
资助国家：
日本
起止时间：
2000 至 2002
项目状态：
已结题

项目摘要

This study examined how chimpanzees and bonobos of genus Pan adapt to the seasonal change in environment, by comparison of the ecological researches in various types of the tropical forest in Africa.In the Kalinzu Forest, Uganda, which situates in a marginal area of the rain forest, we studied the variation of food productivity in different vegetation types in different seasons. We revealed that the density of chimpanzees depends largely on the tree species composition of each vegetation type, rather than whether it is primary or secondary vegetation. We also revealed that chimpanzees shift the use of various types of vegetation in different seasons, and that chimpanzees depend on the fruit of Musanga trees that are widely found in the secondary vegetation, in the season when the fruit productivity is low in the primary vegetation.In Ugala area, Tanzania, which situates in the dry open forest, chimpanzees used a much larger home range than chimpanzees in the wet forest. As we know more … More about their habitat use, chance of direct observation of chimpanzees in this area increased dramatically. Though not sufficient yet, we can expect further results of future studies.In the Wamba area, Democratic Republic of Congo, which situates in the central part of the rain forest, study of bonobos had been long interrupted by civil war since 1996. However, in 2002, we could resume the research with the support of Congolese research cooperators. We could rehabituate the study groups of bonobos, and now we could establish a setup to start detailed ecological surveys.As for the study for conservation of tropical forest, we made a monitoring of the effect of logging activities and process of recovery after the harvest in the Kalinzu Forest. We found that even a selective logging gives a considerable damage on the forest floor, and therefore it takes much longer time for recovery than expected. According to our report, the Forest Department of Uganda made a research for sustainable use of the forest, and decided to realize the sustainable use of this forest by introducing ecotourism. Less

这项研究研究了泛属的黑猩猩和bo骨如何适应环境的季节变化，通过比较非洲的各种热带森林的生态研究。我们揭示了黑猩猩的密度在很大程度上取决于每种植被类型的树种成分，而不是主要植被还是次要植被。我们还透露，黑猩猩在不同季节转移了各种植被的使用，而黑猩猩依赖于次生植被中广泛发现的穆甘达树的果实，当时在tanzania的Ugala地区的水果生产低。了解更多……更多有关其栖息地的使用，直接观察这一领域黑猩猩的机会急剧增加。尽管还不够，但我们可以期望未来的研究进一步的结果。在刚果民主共和国的Wamba地区，在雨林中部的情况下，对Bonobos的研究一直被内战自1996年以来一直被内战中断。但是，在2002年，我们可以在2002年恢复该研究，并支持刚果研究合作者的支持。我们可以修复BONOBOS的研究组，现在我们可以建立一个设置以开始详细的生态调查。作为保护热带森林的研究，我们对Kalinzu森林收获后的伐木活动和恢复过程进行了监测。我们发现，即使是选择性的伐木也会在森林地面造成了考虑的损害，因此，恢复时间比预期的时间更长。根据我们的报告，乌干达森林部对森林的可持续使用进行了研究，并决定通过引入生态旅游来实现这种森林的可持续使用。较少的