Aquatic invasive species: challenges for the future

Havel, John and Kovalenko, Katya E. and Thomaz, Sidinei Magela and Amalfitano, Stefano and Kats, Lee B. (2015) Aquatic invasive species: challenges for the future. Hydrobiologia, 750 (1). pp. 147-170. ISSN 1573-5117

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Abstract

Humans have effectively transported thousands of species around the globe and, with accelerated trade; the rate of introductions has increased over time. Aquatic ecosystems seem at particular risk from invasive species because of threats to biodiversity and human needs for water resources. Here, we review some known aspects of aquatic invasive species (AIS) and explore several new questions. We describe impacts of AIS, factors limiting their dispersal, and the role that humans play in transporting AIS. We also review the characteristics of species that should be the greatest threat for future invasions, including those that pave the way for invasions by other species (“invasional meltdown”). Susceptible aquatic communities, such as reservoirs, may serve as stepping stones for invasions of new landscapes. Some microbes disperse long distance, infect new hosts and grow in the external aquatic medium, a process that has consequences for human health. We also discuss the interaction between species invasions and other human impacts (climate change, landscape conversion), as well as the possible connection of invasions with regime shifts in lakes. Since many invaders become permanent features of the environment, we discuss how humans live with invasive species, and conclude with questions for future research.

Item Type:	Article
Additional Information:	cited By 8
Uncontrolled Keywords:	Climate change; Dispersal barriers; Functional homogenization; Invasibility; Invasional meltdown; Invasiveness; Propagule pressure; Regime shiftsReservoirs
Subjects:	500 Scienze naturali e Matematica > 570 Scienze della vita; Biologia > 577 Ecologia
Depositing User:	Dr. Stefano Amalfitano
Date Deposited:	21 Dec 2016 13:07
Last Modified:	21 Dec 2016 13:07
URI:	http://eprints.bice.rm.cnr.it/id/eprint/15380

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