Genetic plant improvement aims to unite in a same genotype the variety and the maximum number of favourable genes for the traits to be improved. But which tools are used to achieve this? This book answers this question and shows that, since domestication, plant breeding has always been governed by genetic engineering.
Partly instrumentalised by the policies, the nature conservation movements and the economists, ecology is the vector for many perceived ideas. The ecologists themselves fuel the debate dramatising the future of the planet, in the belief that they are giving legitimacy to their discipline. But are the resources used for ecological research in line with the anxieties and appeals from society and managers? This work is the testimony of an ecologist at the heart of this multi-discipline research.
Is salt required to make soap?Is salt need to mummify?Is the Dead Sea really lifeless?Why does water dissolve salt?Why do you put salt in a champagne bucket?The author answers original, concise and highly-educational questions lightheartedly and with plenty of humour.The book provides the basics of everything you need to know about salt and what makes it so culturally rich.
December 2004, tsunami in Sumatra, January 2010, earthquake in Haiti, March 2011, earthquake in Tohoku and tsunami in Fukushima - all human dramas that remind us constantly that forecasting earthquakes and tsunamis is still a complex and difficult science.This simple, concise book is an introduction to the broad elementary notions of earthquakes and an inventory on their forecasting.
Can plants ingested by animals be identified? What can be done when the morphological properties of the plant can no longer be used as dried plants in hay, seed fragments for example?
Making up of 60% of vertebrate species, the fish is a target of economic interest causing dramatic overexploitation and intensive fish farming. This guide is responding to a need for in-depth knowledge of its biology and histology.
This book lays out the physicochemical and biochemical mechanisms of photosynthesis.
How can we prevent biological invasions? How can we assess the risk they represent? What can be done to control current invasions? Questions deciphered here under biological, sociological and economic approaches.