Abstract

An international bottom trawl survey was designed from a European Commission´s initiative to produce biological data on the demersal resources in the Mediterranean Sea. Nine Mediterranean countries are associated in the programme, which covers all the trawlable areas along their coasts from 10 to 800 m depth. From 1994 to 2000, one survey was carried out each year, applying common standardized protocols. Seven yearly surveys have therefore been done, with a total of 7,500 stations prospected. This paper presents the methods adopted to carry out the surveys.

Highlights

  • Nine Mediterranean countries are associated in the programme, which covers all the trawlable areas along their coasts from 10 to 800 m depth

  • From 1994 to 2000, one survey was carried out each year, applying common standardized protocols

  • The Mediterranean Sea is a complex biogeographic system including a large variety of specific areas

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Summary

The general specifications of the MEDITS surveys*

BERTRAND1, LUIS GIL DE SOLA2, COSTAS PAPACONSTANTINOU3, GIULIO RELINI4 and ARNAULD SOUPLET5. SUMMARY: An international bottom trawl survey was designed from a European Commission’s initiative to produce biological data on the demersal resources in the Mediterranean Sea. Nine Mediterranean countries are associated in the programme, which covers all the trawlable areas along their coasts from 10 to 800 m depth. From 1994 to 2000, one survey was carried out each year, applying common standardized protocols. Seven yearly surveys have been done, with a total of 7,500 stations prospected. This paper presents the methods adopted to carry out the surveys

INTRODUCTION
Trawl technology
Study area
ER RANEAN
Sampling gear
Common cuttlefish
Target species and data collected
Recording system
Access to the MEDITS data
Data analysis
CONCLUSION
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