Dataset and species aggregation method applied to food-web models in the Northern Ionian Sea (Central Mediterranean Sea)
2021
Ricci, P. | Sion, L. | Capezzuto, F. | Cipriano, G. | D'Onghia, G. | Libralato, S. | Maiorano, P. | Tursi, A. | Carlucci, R.
The ecological roles of the species in the food web are studied through the Ecopath with Ecosim modelling approach. In this modelling approach, the food web is described by means of functional groups, each representing a species, a life stage of a species, or a group of species with similar trophic, ecological and physiological features. Links between the groups are formally described by a set of linear equations, informed with ecological and fishing data. Here, the data input collected to implement 3 Ecopath models in the Northern Ionian Sea (Central Mediterranean Sea) from 1995 to 2015 are reported. This dataset applied to study the ecological roles of the demersal Chondrichthyes in the study area could be useful to explore different fishing management scenarios. A large dataset of over 300 taxa is shown detailing the ecological inputs, such as Biomass (kg km⁻²), Production and Consumption rates (y⁻¹), Diet information (weight in %), and fishing data represented by Landings and Discards (t km⁻² y⁻¹). In particular, the fishery data described the catches of trawls, longlines, passive nets, other gears and purse seine. In addition, a description of the aggregation method of the species is shown.
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