Publication Details

Category Text Publication
Reference Category Book chapters
DOI 10.1016/B978-0-443-26538-9.00008-8
Document author version
Title (Primary) Chapter 8 - Impact of invasive species on aquatic food webs
Title (Secondary) Aquatic Food Webs in the Anthropocene - Impact of Stressors of Emerging Concern
Author Sahm, R.; Koester, M.; Brauns, M.
Publisher Bundschuh, M.
Year 2026
Department FLOEK
Page From 271
Page To 302
Language englisch
Topic T5 Future Landscapes
Keywords Invasion; fish; crayfish; amphipod; mussel; ecosystem level responses; food webs
Abstract The spread of invasive species is still facilitated by increased global trade and is considered a growing threat to native biodiversity on a global scale, particularly in aquatic systems. While dispersal and establishment of invasion processes are well investigated in many cases, understanding the ecological impacts of invasive species is not as advanced. Species invasion can cause complex interactions that modify the effects of environmental factors and habitat complexity on the abundance and diversity levels of the resident benthic community. Although mechanistic knowledge about the field situation, such as changes in food web structure, is essential for understanding the impact of an invasion, knowledge of species interactions is often derived from laboratory experiments. Moreover, understanding the ecological impacts of invasive species — especially with regard to relevant food web interactions modified by invasive species — is not as advanced, likely due to the variety of taxonomic groups and invaded aquatic systems on a global scale. Here, we focus on selected species of four important groups of invasive vertebrate and invertebrate species (i.e., fish, crayfish, mussels, and amphipods), providing insight into potential changes in invasive species on the food web level. In our view, it is essential to thoroughly consider the relevance of food web interactions under field conditions to comprehend the mechanistic effects of invasive species in a changing aquatic environment.
Sahm, R., Koester, M., Brauns, M. (2026):
Chapter 8 - Impact of invasive species on aquatic food webs
In: Bundschuh, M. (ed.)
Aquatic Food Webs in the Anthropocene - Impact of Stressors of Emerging Concern
Academic Press / Elsevier, London, p. 271 - 302
10.1016/B978-0-443-26538-9.00008-8