Hydrogeological Features of Ryomo Area in Tochigi Prefecture

[Epidemiological study on alcohol drinking patterns in Tochigi Prefecture].

Examining the Optimal Bucking Method to Maximize Profits in Commercial Thinning Operations in Nasunogahara Area, Tochigi Prefecture, Japan

Optimal bucking methods were applied to two operational sites of the Nasu-machi Forest Owners’ Co-operative to maximize profits, with and without taking log size into consideration, and to maximize revenues considering a new subsidy system and higher unit prices of smallsized logs. Corresponding optimum extraction rates and small-sized log prices were examined. Extraction rates from stands usin...

Hydrogeological and hydrochemical features of an area polluted by heavy metals in central Nicaragua

Geophysical and hydrochemical surveys were used to investigate the hydrogeological conditions in one of the Rı́o Sucio microbasins, in central Nicaragua. Zones of vertical structures (i.e. fractures and quartz veins) and weathering were mapped using Continuous Vertical Electrical Soundings (CVES), as such zones are of major importance for groundwater transport. Water from the springs was analyse...

Influence of climate, elevation, and land use in regional herpetofaunal distribution in Tochigi Prefecture, Japan

Understanding the relationship between the distribution of organisms and their environment is important for regional conservation planning. While most herpetofaunal community studies address environmental influence on species richness, few studies describe environmental influence on species composition at geographic scales. Field surveys of herpetofauna were conducted during 1994-2000 in Tochig...

Features and coverages in hydrogeological information

MICHALAK, J. & LEÊNIAK, P.M. 2003. Features and coverages in hydrogeological information. Acta Geologica Polonica, 53 (3), 247-255. Warszawa. In recording hydrogeological information in computer systems (databases, GIS), it became necessary to manipulate them in a consistent and efficient way. The correct functioning of these systems depends principally on the applied data models, which should ...