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Ecological and economic considerations on fishing and rearing of Tapes phillipinarum in the lagoon of Venice Solidoro, C.; Melaku Canu, D.; Rossi, R. (2003). Ecological and economic considerations on fishing and rearing of Tapes phillipinarum in the lagoon of Venice. Ecol. Model. 170(2-3): 303-318. https://dx.doi.org/10.1016/s0304-3800(03)00235-7 In: Ecological Modelling. Elsevier: Amsterdam; Lausanne; New York; Oxford; Shannon; Tokyo. ISSN 0304-3800; e-ISSN 1872-7026

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Beschikbaar in	Auteurs
VLIZ: Non-open access 315171 [ aanvragen ]

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Trefwoorden

Fishing MED, Italy, Veneto, Venice Lagoon Products > Food > Foods > Products > Seafoods > Bivalvia > Shellfish > Clams Rearing Tapes (Ruditapes) philippinarum (A. Adams & Reeve, 1850) [WoRMS] Venice Lagoon [Marine Regions] Marien/Kust

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Auteurs		Top
Solidoro, C. Melaku Canu, D. Rossi, R.

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Abstract

A population dynamic model for Tapes philippinarum has been developed, using experimental data for the estimation of mortality, and literature information for recruitment. The population dynamic model has been coupled to a eco-physiological model of T. philippinarum previously developed, in order to simulate the evolution of individual size and number of individuals in each age class. The resulting age-size class model has been used to analyse the implication of different scenarios of fishing/harvesting of thebivalve in the lagoons of the Northern Adriatic Sea, where fishery and aquaculture represent important economic activities. Ten years long simulations have been performed, in which initial density, harvesting efficiency, minimum harvested size, were varied. Comparisons between the different strategies are made in term of total yields and bio-economic income. The model gives suggestions on the optimal fishing effort, in case of fishery, and on optimal seeding size and seeding moment, in case of aquaculture. A discussion of model results provides indications on harvesting policies which are appropriate from ecological-economical point of view. The final result is that economically more profitable strategies coincide with ecologically more conservative policies.

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