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Identifier

000401794

Title

Η μελέτη των λειτουργικών χαρακτηριστικών των βενθικών ειδών εισβολέων της Μεσογείου

Alternative Title

The study of functional traits of benthic Mediteranean alien species

Author

Γερόπουλος, Αντώνιος Δ.

Thesis advisor

Καρακάσης, Ιωάννης

Reviewer

Αρβανιτίδης, Χρήστος
Λαδουκάκης, Εμμανουήλ

Abstract

The position of the Mediterranean basin favors the invasion of new species, as it is located between the Atlantic Ocean, the Black Sea and the Eritrean region. The susceptibility to new species favored by high water circulation and the existence of closed bays and coves, with fish and shellfish farming. The rate of colonization of invasive species increased with the opening of the Suez Canal in 1869 and so far recorded more than 1000 species belonging to different taxonomic groups. Most of the alien species are benthic and established mainly in disturbed environments, such as harbors, lagoons, bays and aquaculture facilities. In this study, the biological characteristics were collected from 980 literature sources and 25 databases. , regarding 489 benthic invasive species, distributed in 195 families. The traits collected, covered various aspects of biology (morphological, behavioural, reproductive and larval traits) of the benthic invasive species in the Mediterranean. A total of 52 traits where collected, subdivided into 278 sub-categories, called modalities. The species were classified further according to their tolerance to ecological disturbance in opportunistic, tolerant and sensitive. Emphasis was given to the characteristics of the life history and traits affecting dispersion, spreading and establishment of benthic species. The results show that the available characteristics of life history of the invaders are limited. Invaders are characterized by mixed biological characteristics according to the published literature. Also there are common traits between alien and native species. The native Mediterranean species, characterized as susceptible to ecological disturbances. Conversely, invasive species are tolerant or opportunistic. Although aggregating the biological characteristics of so different taxa with a high phenotypic plasticity is risky, it could be a useful approach to detect patterns related to different life strategies of benthic invasive species.

Language

Greek

Subject

Biological characteristics

Fauna

Invasive

Αλλοχθόνα

Βενθικά

Εισβολείς

Εξωτικά

Λειτουργικά χαρακτηριστικά

Μεσόγειος