http://www.cnr.it/ontology/cnr/individuo/prodotto/ID52890
Role of diapause in dispersal and invasion success by aquatic invertebrates (Articolo in rivista)
- Type
- Label
- Role of diapause in dispersal and invasion success by aquatic invertebrates (Articolo in rivista) (literal)
- Anno
- 2004-01-01T00:00:00+01:00 (literal)
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- Panov V.E., Krylov P.I., Riccardi N. (literal)
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- Vadim E. PANOV, Piotr I. KRYLOV Zoological Institute of the Russian Academy of Sciences, University emb., 1, 199034, St. Petersburg (Russia)
Nicoletta RICCARDI CNR Institute of Ecosystem Study, L.go V. Tonolli 50, 28922 Verbania Pallanza, Italy (literal)
- Titolo
- Role of diapause in dispersal and invasion success by aquatic invertebrates (literal)
- Abstract
- Review of existing literature shows an important role of diapause in dispersal of aquatic invertebrates. There is evidence that
among aquatic invertebrates, the role of diapause in dispersal can be important in crustaceans, specifically for species that produce
resting eggs. Analysis of dispersal vectors of diapausing species revealed the increasing role of human-mediated vectors of species
dispersal during last century (intentional and unintentional introductions, specifically associated with shipping) in comparison with
natural vectors (currents, wind, birds). Generally, the role of human-mediated vectors is most important for species dispersal across
geographical barriers and into large aquatic ecosystems affected by shipping. Current human-mediated transport vectors increase
rates of aquatic species introductions in many orders of magnitude in comparison with historical nature-driven species dispersal
rates. Ability to develop diapausing resting stages facilitates species survival during movement across geographical barriers under
extreme conditions, such as in ballast tanks of ships. Case studies for invasive species of Cladocera show that some invaders may
possess adaptive life cycles, switching to the early prolonged gamogenetic reproduction, which facilitates their invasion success into
novel ecosystems and further dispersal by both natural and human-mediated vectors. (literal)
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