EASIN - European Alien Species Information Network

Thread Discussion: Aplysia dactylomela: pathways [thread closed]

Author: Stelios Katsanevakis
Created On: 4/2/2014 12:13 PM

Closed On: 4/2/2014 1:01 PM
Closing User: Stelios Katsanevakis

Responsible Member(s):
Kostas Tsiamis

Closed On: 4/2/2014 1:01 PM
Closing User: Stelios Katsanevakis

Stelios Katsanevakis
4/2/2014 12:13 PM

In the MedPAN factsheet (PDF provided by EASIN), three hypotheses are made for the introduction of the species in the Mediterranean: 1) it arrived in ballast water; 2) it spread through the Suez Canal; 3) it spread naturally through the Gibraltar Strait (if this is the case it should not be considered an alien species as such, but a tropical Atlantic species colonizing the Mediterranean through natural range expansion). In EASIN, the species is regarded as alien introduced by shipping. Is there enough evidence to disqualify the other two hypotheses?

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Stelios Katsanevakis
[Closing post]
4/2/2014 - 1:01 PM

closing

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