M Gilbertson: 2 books

Our aim in writing this book is to provide students and teachers with a simple introductory text which deals with practical aspects of ecology, environmen­ tal biology and biogeography, emphasizing actual field and classroom investigations. Basic concepts and methods of survey, mapping and aerial...

Tomatoes are the second most important vegetable crop in the world after potatoes. Originating in South America, they are now grown widely around the world. As the population continues to grow, there is a need to increase yields in the face of such challenges as climate change, threats from pests...