This work is intended to assess the integrity of rivers in Nepal by some fish community base parameters such as the number of species, composition and the abundance. The classifications of river systems were also tried by using both fish base variables and abiotic factors using cluster analysis and discriminant analysis respectively and the results for these were remarkable. Four disturbances, agriculture, urbanization, dams and weir, and industries were studied here to assess if there were any impairments on the integrity of the rivers by them. However, the variety of other information regarding fish resource and river morphology such as spatial and temporal distribution and density of fish species, size structure of a species, and substrate and physico-chemical parameters of the river are also well documented. This work comprised nine rivers of Nepal in Central and Western Development Region facing those disturbances. Finally, it was seen that the fish population dynamics was sensitive to varieties of disturbances the rivers are facing indicating that the fish base methods of assessing water quality and river integrity could be developed for Nepalese rivers as well.
Fish Ecological Studies in Assessing Ecological Integrity of Rivers. Application in Rivers of Nepal
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Книга по Требованию
Современные медицинские технологии, их роль и возможности...
Телемедицина находит также общественное признание как одно из направлений современной медицины и все чаще упоминается в средствах массовой информации, на страницах научных и популярных журналов, в интернетовских сайтах. ВыводыТелемедицинские системы и комплексы развиваются во всем мире интенсивно, обеспечивая эффективную медицинскую помощь практически в любой точке Земли. Телемедицинские сети разделяются на общедоступные и профессиональные. Первые опираются на сеть Интернет, вторые - на выделенные каналы связи или каналы сетей общего пользования. Системы становятся международными и общедоступными. Основными протоколами в телемедицинских сетях являются ISD , CP/IP, A M. Основными каналами связи являются спутниковые и оптоволоконные. Интенсивно развиваются телемедицинские услуги с использованием спутниковых транспортабельных комплексов. Существенное влияние на развитие телемедицины и ее комплексов оказывает решение задач стандартизации информационных систем, систем хранения и обработки информации. В телемедицинских сетях обеспечивается интегральность услуг, включающих медицинские и образовательные вопросы. Список литературы Macedo ia C. R., Collea J. V., Sa ders J. H. elemedici e comes o obs e ric a d gy ecology. OB/Gy ecology oday. 1999,vol.3, # 1,pp.22-30. Григсби Д., Сандерс Д.Х. Телемедицина: уровень развития и перспективы.
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