Perspectives for Fish Protection in Japanese Paddy Field Irrigation Systems
Perspectives for Fish Protection in Japanese Paddy Field Irrigation Systems
复制标题
日本稻田灌溉系统中鱼类保护的前景
DOI：
10.6090/jarq.36.211
复制
发表时间：
2002
影响因子：
0.4
通讯作者：
K. Hata
中科院分区：
文献类型：
--
作者：
K. Hata
近年来，世界范围内与保护生物(生物多样性)有关的活动越来越多。显然，促成这一运动的长期趋势包括农村自然环境的恶化，这是由于自第二次世界大战以来农业生产技术取得显著进步而导致的仅旨在提高产量的技术的引进以及日常生活的城市化。本报告首先描述了稻田地区与天然河流相比作为鱼类栖息地的作用，其次从迁徙的角度将鱼类分类为几个类别。描述了现有稻田灌溉系统对鱼类栖息地的影响，并对未来发展趋势进行了预测。
In recent years there has been an increasing activity related to the preservation of living organisms (biological diversity) worldwide. It is obvious that the long-term trends contributing to this movement include the deterioration of the natural environment in rural villages associated with the introduction of technology solely intended to boost yields along with the urbanization of daily life as a consequence of the remarkable progress in agricultural production technology achieved since World War II. This report describes, firstly the role of paddy field areas as fish habitats compared with natural rivers, secondly the classification of fishes into several groups from the viewpoint of migration. And also it describes the influences of the present paddy field irrigation systems on fish habitat and forecasts future trends in this area.