- Title
- Solea solea (Common sole) spawners
- Abstract
The map shows the area where adults of Solea solea concentrate (potential spawning areas) in GSA 17. In the framework of MAREA-MEDISEH Project it was agreed to restrict modeling to the adult females fraction of the populations using the length-at-maturity calculated from MEDITS or landing data (DCF) as threshold length. Aggregation areas for adults have been assessed through habitat suitability modeling, relating abundance information from surveys with environmental variables.
- Publication Date
- Sept. 1, 2014, 3:09 p.m.
- Type
- Vector Data
- Category
- Environment and Ecosystems
- Data related to environment and ecosystems
- Owner
- MEDISEH
- Maintenance Frequency
- There Are No Plans To Update The Data
- Restrictions
- This shapefile was provided by MAREA Consortium (framework contract MARE/2009/05 - Lot 2 (MEDISEH)) to be used inside ADRIPLAN Project. The geographical information is provided "as it is", and no warranty of any kind (express, implicit) is offered as to the information's accuracy. The information provided does not imply any opinion of the developers concerning the legal status of any country, territory or area, or concerning the delimitation of its frontiers or boundaries. The data cannot be used for legal, commercial (e.g. exploration of natural resources, consultancy work) or for navigational purposes. It is clarified that the raw data collected or provided to the consortium for the purposes of MEDISEH, are not allowed to be redistributed or provided to third parties (under any format e.g. GIS Shape files) for any reason, without the permission of the original data provider. Fisheries data collected within the Data Collection Framework cannot be redistributed for any reason. To access project's meta-analysis data (i.e. model output), please send a request to MEDISEH scientific coordinator and to the MAREA scientific coordinator (request form: http://mareaproject.net/medviewer/registration/register/). Please note that the request will also be forwarded to DG-MARE, for final approval by the European Commission Services. It has also to be recalled the provisions of Article II.10.3 of the Framework Contract: "Any distribution or publication of information relating to the Contract by the Contractor shall require prior written authorization from the Commission and shall mention the amount paid by the Union. It shall state that the opinions expressed are those of the Contractor only and do not represent the Commission's official position". The project's final report can be found at http://mareaproject.net/contracts/5/reporting/ (Mediterranean Sensitive Habitats (MEDISEH) (2013). Final report. Edited by M. Giannoulaki, A. Belluscio, P. Panayotidis, S. Fraschetti, M. Scardi, F. Colloca, C. Smith, V. Valavanis, M.T. Spedicato. DG MARE Specific Contract SI2.600741, Final Report, 557 p. Heraklion (Greece): Hellenic Centre for Marine Research.)
- Purpose
Objectives:
- Review and map all existing information on historical and current data of nurseries and spawning grounds of certain small pelagic (i.e., Engraulis encrasicolus, Sardina pilchardus, Scomber spp., Trachurus spp) that are included in the Data Collection Framework for the Mediterranean and subjected to minimum landing size based on Council Regulation No 1967/2006-Annex II
- Analyze existing survey data and apply spatial analysis techniques in order to identify locations that are more likely to be density hot spot areas or are being more suitable for fish nurseries and spawning grounds for Engraulis encrasicolus, Sardina pilchardus, Scomber spp., Trachurus trachurus, Trachurus mediterraneus. These areas will also be characterized from an environmental and ecological perspective upon data availability.
- Integrate and present the aforementioned information through a web based GIS viewerwith an associated geo-referenced database that will operate as a consulting tool for spatial management and conservation planning.- Language
- English
- Supplemental Information
Spawning
Adults aggregated in a wider and different area in respect to recruits. The extension of the spawning ground represented from 31% (2010) to 56% (2009) of the GSA17. Size at first sexual maturity for females estimated from the Solemon project was 25.82 cm TL. This length was calculated on the basis of the relative frequency of mature females (stage 4 and 5 of the Holden and Raitt, 1974, classification).Modeling approaches employed to identify spawning and nursery grounds of common sole in GSA 17 were respectively the zero-Inflated Generalized Additive Model (Liu and Chan, 2010) and Ordinary Kriging.
- Spatial Representation Type
- vector data is used to represent geographic data
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