Available for the first time with Macmillan's new online learning tool, Achieve, Ecology: The Economy of Nature takes students through all of the key concepts of an ecology course.

The Ninth Edition of Ecology: The Economy of Nature continues its mission of teaching students the concepts and skills they need for success in their ecology course. Powerful pedagogical features frame a narrative packed with the most recent research. As ever, this textbook brings a greater emphasis on quantitative problem solving and skill building both in the text and now for the first time, in Achieve.

Ecology: The Economy of Nature includes important learning tools designed to help students understand the important concepts in each chapter and encourages:

• A learning-by-doing approach for understanding data and mastering quantitative skills
• Ecological literacy through engaging and relevant applications
• Scientific discovery presented through a global lens