Surveying an area dense with conflicting observations and ideas, this volume vividly depicts the current state of knowledge as well as the great diversity of opinion in the field of population ecology. Ten papers by outstanding authorities focus on three main issues-the effects of environment and population density on population dynamics, the influence of animal behavior on population growth, and the possibilities of genetic feedback or short-term evolutionary change on control of animal populations. An incisive introduction by the editor establishes a frame of reference and supplies succinct resolutions of some of the important controversies dealt with in these pages.

Natural Regulation of Animal Populations

Politics & Social Sciences

Ian McLaren

Anthropology

Atherton Press

Navigation: An RYA manual

This practical manual is based on the graphical approach which encourages the solution of navigational problems by drawing lines on a chart - the method which is considered best suited to yachts because, unlike the alternative mathematical method, most of the errors that can be made are apparent to anyone with common sense. The book is published primarily in response to a demand from people studying the Yachtmaster Offshore Certificate syllabus, for a manual that eliminates all traces of excessive theory which can be confusing to beginners.

Bill Anderson

Bernard Hayman

Mike Lynskey

Royal Yachting Association in association with David & Charles

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Books by Ian McLaren