Invasive Species Flashcards
(2 cards)
1
Q
Using examples from marine invertebrates, outline the mechanisms that result in invasive species colonising new areas.
A
Shipping - 69% (Ballast water transport of larvae)
Aquaculture - 41%
Aquarium Trade - 6%
2
Q
Describe characteristics of certain marine invertebrates that allow them to become established in exotic habitats as invasive species.
A
- Tolerate a range of conditions such as temp, salinity, competitors, and predators
- Life history characteristics
- Fast growing
- Small in size
- Short reproductive time to maturity
- High fecundity
- Dispersed larvae
- Most fouling species are SESSILE
- Possible sporadic swimming ability
- Have planktonic larvae
