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CR 42:13-26 (2010)  -  DOI:

Effect of global change on bivalve rearing activity and the need for adaptive management

Donata Melaku Canu1, Cosimo Solidoro1,*, Gianpiero Cossarini1, Filippo Giorgi2

1Istituto Nazionale di Oceanografia e di Geofisica Sperimentale – OGS, Borgo Grotta Gigante, Brisciki 42/c, 34010 Sgonico-Zgonik (Trieste), Italy
2International Centre for Theoretical Physics, Strada Costiera, Trieste, Italy
*Corresponding author. Email:

ABSTRACT: A downscaling experiment linking a regional atmospheric model to local ecosystem and target species population dynamics models was conducted to evaluate the effects of IPCC climate change scenarios on a temperate coastal lagoon ecosystem, the lagoon of Venice (Italy), along with goods and services provided by this ecosystem. Our results indicate that the changes in water temperature and reduction in plankton productivity caused by the modification of seasonal precipitation patterns will affect habitat suitability for clam growth and aquaculture. Simulations show that aquaculture, which has substantial economic value, will suffer, and they highlight the need for management policies to mitigate the adverse effects of climate change. Extrapolation of these conclusions to other coastal systems might be particularly relevant for socio-economic systems in which clam farming is crucial for a self-sustaining economy.

KEY WORDS: Downscaling · Clam aquaculture · Venice · Global change · Ruditapes philippinarum · Adaptive management · Socio-ecological system ·  Thermal adaptation

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Cite this article as: Melaku Canu D, Solidoro C, Cossarini G, Giorgi F (2010) Effect of global change on bivalve rearing activity and the need for adaptive management. Clim Res 42:13-26.

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