View - ResearchGate

Contents
Section III
Patterns of Invasion and Invasibility
XI
Short Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 145
Wolfgang Nentwig
9 Effects of Land Management Practices on Plant Invasions
in Wildland Areas . . . . . . . . . . . . . . . . . . . . . . . . 147
Matthew L. Brooks
9.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . 147
9.2 Factors that Affect Plant Invasions . . . . . . . . . . . . . . . 148
9.3 Linking Land Management Practices with Invasion Potential 151
9.3.1 Vehicular Route Management . . . . . . . . . . . . . . . . . 151
9.3.1.1 Vehicles . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 153
9.3.1.2 Vehicular Routes . . . . . . . . . . . . . . . . . . . . . . . . 153
9.4 Managing Established Populations of Invasive Plants . . . . 155
9.4.1 Effects of Vegetation Management on Resource Availability 155
9.4.2 Effects of Vegetation Management on Propagule Pressure
of Invaders . . . . . . . . . . . . . . . . . . . . . . . . . . . . 158
9.4.3 Predicting the Effects of Vegetation Management
Treatments . . . . . . . . . . . . . . . . . . . . . . . . . . . . 158
9.5 Conclusions . . . . . . . . . . . . . . . . . . . . . . . . . . . 159
References . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 160
10 Nitrogen Enrichment and Plant Invasions: the Importance of
Nitrogen-Fixing Plants and Anthropogenic Eutrophication 163
Michael Scherer-Lorenzen, Harry Olde Venterink,
and Holger Buschmann
10.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . 163
10.2 Alterations of the N-Cycle by Exotic Invaders . . . . . . . . 164
10.2.1 Nitrogen-Fixing Species Among Invasives and Natives . . . 164
10.2.2 Nitrogen Input by N 2 -Fixing Invasive Species . . . . . . . . 165
10.2.3 Major Invasive Nitrogen-Fixing Species . . . . . . . . . . . . 166
10.2.4 Facilitated Secondary Invasion . . . . . . . . . . . . . . . . . 168
10.2.5 Nitrogen Fixation Suppressed by Invasion . . . . . . . . . . 169
10.3 Nitrogen Deposition and Exotic Invasions . . . . . . . . . . 169
10.3.1 N Deposition and Eutrophication in Natural Ecosystems . . 169
10.3.2 A Short Note on Mechanisms . . . . . . . . . . . . . . . . . 170
10.3.3 Evidence for Effects of N Deposition on Plant Invasions? . . 171