3 Books found
Covering an area of over 130 million km2 spanning the Mediterranean, equator and tropics, the African continent features a spectacular geographic diversity. Consequently, it is characterised by extremely variable climatic, edaphic and ecological conditions, associated with a wide range of natural vegetation and wildlife, as well as human population density, crops and livestock.In this book, Henry Le Houérou presents his bioclimatic and biogeogra
This book deals with arid and semi-arid environments and their classification, and the physiological restraints and adaptations of plants to the environment. Further, it discusses economic botany and the needs and methods of conserving economic plants. A broad view is taken regarding the definition of economic plants, taking into account their value to the environment as well as to man and to livestock. The individual deserts and associated ...
The history of life is illustrated by fossils which give crucial information on the plants and animals of the past. Fossil Record 2 is a compilation of this mass of data. All families of protists, plants and animals and their ranges in geological time are documented, with full details of first and last species for each family.