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MedOBIS: Mediterranean Ocean Biogeographic Information System
Hellenic Centre For Marine Research, MedOBIS - Mediterranean Ocean Biogeographic Information System. Hellenic Centre for Marine Research; Institute of Marine Biology and Genetics; Biodiversity and Ecosystem Management Department, Heraklion, Greece. Http://

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Availability: Creative Commons License This dataset is licensed under a Creative Commons Attribution 4.0 International License.

The Mediterranean Ocean Biogeographic Information System (MedOBIS) is a distributed system that allows you to search multiple datasets simultaneously for biogeographic information on marine organisms. more

An attempt to collect, format, analyse and disseminate surveyed marine biological data deriving from the Eastern Mediterranean and Black Sea region is currently under development at the Hellenic Center for Marine Research (HCMR, Greece). The effort has been supported by the MedOBIS project (Mediterranean Ocean Biogeographic Information System) and has been carried out in cooperation with the Aristotelian University of Thessaloniki (Greece), the National Institute of Oceanography (Israel) and the Institute of Biology of the Southern Seas (Ukraine). The aim is to develop a taxon-based biogeography database and online data server with a link to survey and provide satellite environmental data. In its completion, the MedOBIS online marine biological data system ( will be a single source of biological and environmental data (raw and analysed) as well as an online GIS tool for access of historical and current data by marine researchers. It will function as the Eastern Mediterranean and Black Sea node of EurOBIS (the European node of the International OBIS initiative, part of the Census of Marine Life). The spatial component of data has led to the integration of datasets by means of the Geographic Information System (GIS) technology. The latter is widely used as the natural framework for spatial data handling. GIS serves as the basic technological infrastructure for several online marine biodiversity databases available on the Internet today. Developments like OBIS (Ocean Biogeographic Information System,, OBIS-SEAMAP (Spatial Ecological Analysis of Megavertebrate Populations, and FIGIS (FAO Fisheries Global Information System, facilitate the study of anthropogenic impacts on threatened species, enhance our ability to test biogeographic and biodiversity models, support modeling efforts to predict distribution changes in response to environmental change and develop a strong potential for the public outreach component. In addition, such online database systems provide a broader view of marine biodiversity problems and allow the development of management practices that are based on synthetic analysis of interdisciplinary data. Towards this end, a new online marine biological information system is developed. MedOBIS (Mediterranean Ocean Biogeographic Information System) intends to assemble, formulate and disseminate marine biological data for the Eastern Mediterranean and Black Sea regions focusing on the assurance and longevity of historical surveyed data, the assembly of current and new information and the dissemination of raw and integrated biological and environmental data and future products through the Internet. To provide a taxon-based search capability to the MedOBIS development, the sampling data as well as the relevant spatial data are stored in the database, so taxonomic data can be linked with the geographical data by queries. To reference each species to its location on the map, the database queries are stored and added to the applet as individual layers. A search function written in JavaScript searches the attribute data of that layer, displays the results in a separate window and marks the matching stations on the map. Finally, selecting several stations by drawing a zooming rectangle on the map provides a list with predefined themes from which the user may select more information. As more data will be assembled in time-series databases, an additional future work will include the development of MedOBIS data analysis phase, which is planned to include GIS modeling/mapping of species-environment interactions.

Biology, Biology > Benthos
Marine, Benthic fauna, Benthos, Biogeography, Data analysis, Data transmission, MED, Aegean, MED, Black Sea, MED, Ionian Sea, Animalia, Protozoa

Geographical coverage
MED, Aegean [Marine Regions]
MED, Black Sea [Marine Regions]
MED, Ionian Sea [Marine Regions]

Temporal coverage
From 1937 on [In Progress]

Taxonomic coverage
Animalia [WoRMS]
Protozoa [WoRMS]

Biomass, Density

Hellenic Centre for Marine Research (HCMR), moredata ownerdatabase developer

Related datasets
Published in:
EurOBIS: European Ocean Biogeographic Information System, more
Published datasets:
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Aegean Polychaetes, more
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Benthic data from Sevastopol (Black Sea), more
Benthos Cretan Continental Shelf, more
Benthos from Karkinitsky Gulf (Black Sea), more
Bionomy of macrobenthic amphipods, molluscs and polychaetes in the Evros Delta, September 1981, more
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Diatoms of Laspi Bay (Black Sea), more
Eastern Mediterranean Syllidae from three locations in Crete and Israel, more
Environmental impact assessment of oil pollution accident in Gialova lagoon and Navarino Bay, more
Fauna Bentonica, more
Jalta-Black Sea, more
Kalamitsi, more
Karakassis dataset (Cretan shelf), more
Kerkyra, more
Kyklades, more
Laspibay-Black Sea, more
Levantive Palmachim Trawl nets Benthos, more
Macrofauna Bahia de Blanes, more
MegFeod-Black Sea, more
MidMedPol: Polychaetes from midlittoral rocky shores in Greece and Italy (Mediterranean Sea), more
Monthly variation in the macrozoobenthic community structure in Laki Lagoon (Evros Delta, N. Aegean Sea), more
Monthly variation in the macrozoobenthic community structure in Monolimni Lagoon (Evros Delta, N. Aegean Sea), more
Mytilini, more
New Records of Polychaetes from the South Part of Suez Canal, Egypt, more
Phytoplankton of Lebanon, more
Polychaeta from the Eastern Harbour of Alexandria, more
Polychaete Study in Northeastern Mediterranean Coast of Egypt, more
Polychaetes from two subtidal rocky shores of the North coast of Crete, collected for the NaGISA project 2007-2008, more
Records of fish species in coastal lagoons and sea shore that belong to Municipality of Preveza, for the period 2002-2011, more
Records of fish species in coastal lagoons that belong to Municipality of Arta, for the period 1999-2011, more
Sediment microbial diversity (16S) of the Mazoma, Tsopeli,Tsoukalio, Rodia and Logarou lagoons (February 2011), more
SNU-FF Crustacea (2004-2005), more
SNU-FF Macrobenthos (1999), more
SNU-FF Meiobenthos (2009-2010), more
SNU-FF Mollusca (2001-2002), more
SNU-FF Phytoplankton and zooplankton (1999-2010), more
Spatial distribution of the macrobenthic fauna in Laki Lagoon (Evros Delta, N. Aegean Sea), more
Strelbay, more
Syllidae (Polychaeta) from the North Mediterranean Coast of Egypt, more
Syllidae, Magelonidae and Maldanidae from the Northwestern Coast of Egypt, more
Zooplankton of Lebanon, more

Describing this dataset:
Arvanitidis, C.; Valavanis, V.D.; Eleftheriou, A.; Costello, M.J.; Faulwetter, S.; Gotsis, P.; Kitsos, M.S.; Kirmtzoglou, I.; Zenetos, A.; Petrov, A.; Galil, B.; Papageorgiou, N. (2006). MedOBIS: biogeographic information system for the eastern Mediterranean and Black Sea. Mar. Ecol. Prog. Ser. 316: 225-230, more
Arvanitidis, C.; Valavanis, V.D. (2004). MedOBIS: biogeographic information system for the Mediterranean and Black Sea, in: Ocean Biodiversity Informatics, Hamburg, Germany: 29 November to 1 December 2004: book of abstracts. pp. 30, more

Dataset status: In Progress
Data type: Data
Data origin: Data collection
Release date: 2004-12-17
Metadatarecord created: 2004-12-07
Information last updated: 2013-12-02
All data in IMIS is subject to the VLIZ privacy policy