Networks of invasion: a synthesis of concepts
In: Advances in Ecological Research Volume 56
In: Issn Ser. v.Volume 56
Front Cover -- Networks of Invasion: A Synthesis of Concepts -- Copyright -- Contents -- Contributors -- Preface -- Acknowledgements -- References -- Chapter One: Impacts of Invasive Species on Food Webs: A Review of Empirical Data -- 1. Introduction -- 2. Definitions and Limits -- 2.1. Invasive Species: An ``Anthropocentric Concept´´ -- 2.2. Measuring Impacts on Food Webs: Objects of Study and Methodology -- 3. Local Effects: Effect of Invaders at One or Two Steps of Distance -- 3.1. Top-Down Effects -- 3.1.1. Invasive Predators May Have Large Impacts on Resident Species -- 3.1.2. Ecological and Evolutionary Naïveté Exacerbate the Impact of Invasive Predators -- 3.1.3. Top-Down Effect of Invasions May Result in Trophic Cascades -- 3.2. Lateral Effects of Invaders: Exploitative Competition -- 3.2.1. Exploitative Competition is Expressed as a Two-Step Path in a Food Web -- 3.2.2. Extinctions by Competition Between Introduced and Native Species Are Relatively Rare -- 3.2.3. Asymmetry in Competition Impacts, Lack of Coevolutionary History, and Invasion Filter -- 3.2.4. Exploitative Competition May Be Mixed With Other Interactions -- 3.2.5. The Case of Invasive Fruit Flies Illustrates Asymmetric Competitive Interactions Between Invaders and Residents -- 3.3. Bottom-Up Effects of Invaders -- 3.3.1. Invaders Provide Direct Benefits but Indirect Costs to Local Predators -- 3.3.2. Coevolutionary History and Invasion Filter Underlie Enemy Release -- 3.4. Apparent Competition Between Invaders and Residents -- 3.5. Facilitation, Mutualisms, and Engineering: Nontrophic Indirect Interactions -- 4. Global Effects: Invasions at Food Web Scale -- 4.1. Food Web Structure as a Biotic Filter -- 4.1.1. Species Diversity Might Increase Food Web Resistance to Invasion -- 4.1.2. Effects of Food Web Structure on Invasion: Beyond Diversity.