Statutory Documents - IMO Publications and Documents - Resolutions - Marine Environment Protection Committee - Resolution MEPC.162(56) - Guidelines for Risk Assessment Under Regulation A-4 of the BWM Convention (G7) - (Adopted on 13 July 2007) - Annex - Guidelines for Risk Assessment Under Regulation A-4 of the BWM Convention (G7) - 4 Definitions
4 Definitions
4.1 For the purposes of these Guidelines, the definitions in the Convention apply.
4.2 "Anadromous": species that spawn/reproduce in freshwater environments, but spend at least part of their adult life in a marine environment.
4.3 "Biogeographic region": a large natural region defined by physiographic and biologic characteristics within which the animal and plant species show a high degree of similarity. There are no sharp and absolute boundaries but rather more or less clearly expressed transition zones.
4.4 "Catadromous": species that spawn/reproduce in marine environments, but spend at least part of their adult life in a freshwater environment.
4.5 "Cryptogenic": species that are of unknown origin, i.e. species that are not demonstrably native or introduced to a region.
4.6 "Donor Port": port or location where the ballast water is taken onboard.
4.7 "Euryhaline": species able to tolerate a wide range of salinities.
4.8 "Eurythermal": species able to tolerate a wide range of temperatures.
4.9 "Freshwater": water with salinity lower than 0.5 psu (practical salinity units).
4.10 "Marine water": Water with salinity higher than 30 psu.
4.11 "Non-indigenous species": any species outside its native range, whether transported intentionally or accidentally by humans or transported through natural processes.
4.12 "Recipient port": port or location where the ballast water is discharged.
4.13 "Target species": species identified by a Party that meet specific criteria indicating that they may impair or damage the environment, human health, property or resources and are defined for a specific port, State or biogeographic region.
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