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2 In China, there are more than 2,759 lakes with surface area greater than 1km , and 2 the total lake area is 91,019km . One-third of these lakes are freshwater lakes, and the …
High altitude research is comparatively a recent development. With the notable exceptions of entomology, botany and perhaps some aspects of human acclimatization, our knowledge of …
The book includes 22 chapters by 28 authors united by the single theme: biogeography and ecology of Bulgaria. From the single-celled organisms in the Black Sea sand to the endemic …
357 Temperature . . . . . . . . . 358 Transparency and light penetration. 360 Salinity and conductivity 363 Major ions . . . . . 365 Dissolved gases and pH 371 Plant nutrients. 375 …
Scope and limitations of this book I am trying here to present the natural history of a land largely created and dominated by two great rivers, the Euphrates and Tigris. All rivers …
The Amazon -that name was given to the biggest river on earth and is often used for the whole area of its basin too. This geographical region is currently referred to as Amazonia, …
The spathidiids belong to the ciliate subclass Haptoria (Protozoa, Ciliophora), that is, they are predators using toxicysts to overwhelm the prey. Over 200 nominal spathidiid …
Scotland is fortunate in being very richly endowed with natural fresh waters in the form of numerous lochs and rivers. These constitute on the one hand an attractive feature of the …
In spite of its proximity to Africa (the distance between Cap Saint- Andre and the African coast is only 300 km. ) Madagascar cannot be considered as adependent part of that …