Table 1.

Glossary of research topics and definitions employed in our classification of publications

Topic	Definition
Ballast water contents	Surveys of zooplankton found in ballast water
Ballast water treatment	Evaluation of ballast water treatment methods including ballast water exchange
Behavior	Predator escape responses, diel vertical migration, etc
Climate change	Studies which explicitly test climate change related hypotheses or demonstrate a climate–invader relationship
Community impacts	Impacts of invader on native members of community
Detection	Methods or statistical probabilities of invader detection
Disease	Agents of disease that infect or are transported by the invader, including parasites
Dispersal	Transport vectors, biological adaptations, and routes of dispersal. Does not include papers on general aspects of dispersal
Distribution and range	Reports on the geographic extent of invasion or detection in new locales
Ecosystem impacts	Changes to nutrient cycling, clarity, etc
Feeding	Estimates of feeding rates, prey selection experiments and/or grazing by the invader
General/review	Reviews or summaries of the extant literature
Genetics	Any study employing genetic methodologies, ranging from community metabarcoding to whole genome sequencing
Invasion theory	Traits associated with invasion success, conditions promoting invasion, or requirements for population establishment
Physiology/biology	Biological functions of the organism (e.g. growth, reproduction) and physiological tolerances to the environment
Population dynamics	Population phenology, demography, or dynamics
Predation	Predation upon the invader by other native or invasive taxa