Trends in Effort and Yield of Trawl Fisheries: A Case Study From the Mediterranean Sea
| Autor: | Lorenzo D'Andrea, Lucio Labanchi, Antonio Parisi, Paola De Angelis, Michele Scardi, Paolo Carpentieri, Stefano Cataudella, Simone Franceschini, Tommaso Russo, Germana Garofalo, Fabio Fiorentino |
|---|---|
| Jazyk: | angličtina |
| Rok vydání: | 2019 |
| Předmět: |
0106 biological sciences
lcsh:QH1-199.5 010504 meteorology & atmospheric sciences Settore BIO/07 Yield (finance) Fishing Ocean Engineering spatial management lcsh:General. Including nature conservation geographical distribution Aquatic Science effort Oceanography 01 natural sciences stocks Demersal zone fisheries spatial management effort VMS primary production mortality sustainability stocks lcsh:Science Productivity 0105 earth and related environmental sciences Water Science and Technology Global and Planetary Change Trawling 010604 marine biology & hydrobiology Primary production sustainability mortality Fishery Overexploitation fisheries Settore SECS-S/03 - Statistica Economica Spatial ecology VMS Environmental science lcsh:Q primary production |
| Zdroj: | Frontiers in Marine Science 6 (2019). doi:10.3389/fmars.2019.00153 info:cnr-pdr/source/autori:Russo, Tommaso; Carpentieri, Paolo; D'Andrea, Lorenzo; De Angelis, Paola; Fiorentino, Fabio; Franceschini, Simone; Garofalo, Germana; Labanchi, Lucio; Parisi, Antonio; Scardi, Michele; Cataudella, Stefano/titolo:Trends in Effort and Yield of Trawl Fisheries: A Case Study From the Mediterranean Sea/doi:10.3389%2Ffmars.2019.00153/rivista:Frontiers in Marine Science/anno:2019/pagina_da:/pagina_a:/intervallo_pagine:/volume:6 Frontiers in Marine Science, Vol 6 (2019) |
| DOI: | 10.3389/fmars.2019.00153 |
| Popis: | The rationale applied for monitoring and managing fisheries is based on the implicit assumption that yield and stocks status is essentially determined by fisheries. Moreover, the fisheries yield is quantified and analyzed in terms of landings with respect to official management area of registration of vessels. In this way, the real area of activity of each fleet is not considered and this prevent an effective spatial analysis of the factors affecting fisheries yield and stocks status. This paper firstly presents a VMS-based reconstruction of the fishing effort and of the area of activity of the Italian trawlers in the Mediterranean Sea. The fishing area of each fleet is then used as a spatial reference to estimate primary productivity rate and gross primary production and to investigate, by using General Additive Models, the effects of trawling effort, primary production and time on fisheries yield, fisheries productivity and overexploitation rate for some key demersal species. The results evidence that the usage of satellite-based information of fishing activities and of primary production, when combined at the real spatial scale of fishing activities, could effectively improve our ability to analyze the response of the ecosystems to these driving forces and allow capturing the main trends of yield, productivity and overexploitation rate of demersal stocks. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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