Protected areas in Spain

Among the wide range of scientific meetings, seminars, conferences and congresses that are held under the common denominator of Geography, it is not very usual to encounter the issue of nature protection.It is therefore very satisfying to see that the UGI had paid special attention mcclelland reclining sofa to this issue at its 1994 Regional Gonfer

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Comprehensive Ahead Prospecting of Tunnels in Severely Weathered Rock Mass Environments with High Water Inrush Risk: A Case Study in Shaanxi Province

The ahead geological prospecting of severely weathered surrounding rock in a tunnel is challenging due to complex geological conditions.Hence, the best approach is to use a variety of geophysical exploration methods.In this study, we have applied seismic, electrical resistivity (ER), and transient electromagnetic (TEM) methodologies for ahead prosp

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The strength and timing of the mitochondrial bottleneck in salmon suggests a conserved mechanism in vertebrates.

In most species mitochondrial DNA (mtDNA) is inherited maternally in an apparently clonal fashion, although how this is achieved remains uncertain.Population genetic studies show not only that individuals can harbor more than one type of mtDNA (heteroplasmy) but that heteroplasmy is common and widespread across a diversity of taxa.Females harboring

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