Related Experiment Video
Updated: May 31, 2026
06:48
Assessing Intertidal Populations of the Invasive European Green Crab
Published on: September 16, 2020
A broad framework to organize and compare ecological invasion impacts
Mads S Thomsen1, Julian D Olden, Thomas Wernberg
1Marine Department, National Environmental Research Institute, University of Aarhus, Roskilde, Denmark. mads.solgaard.thomsen@gmail.com
Environmental Research
|June 24, 2011
Summary
Understanding invasive species impacts requires separating universal and unique attributes. Abundance and taxonomic identity significantly influence invasion outcomes across aquatic ecosystems.
Area of Science:
- Ecology
- Invasion Biology
Background:
- Invasive species significantly alter ecosystems globally, but general mechanisms driving their impacts remain unclear.
- Existing research often yields varied results, hindering the development of a unified framework for invasion impacts.
Purpose of the Study:
- To propose a framework distinguishing universal and unique attributes of invasive species and habitats to explain impact variation.
- To test the utility of this framework using meta-analyses of aquatic invasion experiments.
Main Methods:
- Conducted meta-analyses of published aquatic field experiments on invasive species.
- Categorized drivers of invasion impacts into universal (e.g., abundance) and unique (e.g., specific toxins) attributes.
Main Results:
- Both invader abundance and taxonomic identity significantly impact invasion outcomes in marine and freshwater environments.
- The proposed framework helps explain variation in invasion impacts across different studies.
Conclusions:
- The framework provides a valuable approach for experimental invasion ecology.
- Further research is needed to test universal attributes like priority effects and habitat modification impacts.
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