Seagrass Meadows in The Greek Seas
Combined use of optical (satellite imagery), and acoustic (sidescan sonar) remote sensing techniques, as well as in situ methodologies (visual census; SCUBA diving, Towed Underwater Cameras, and Remotely Operated Vehicles) was employed to map the spatial distribution of seagrass habitats in the coastal waters of the Hellenic territory. Seagrass meadows were recorded at approximately 70% of the Hellenic coastline (Eastern Ionian, Aegean and Levantine Seas), and their surface area exceeded 2,673.1 km2. Posidonia oceanica is -by far- the dominant seagrass species of the Hellenic seas, covering the vast majority of seabed at depths between the shoreline and 25 ÔÇô 30 m (or deeper in insular areas), followed by the species Cymodocea nodosa, Zostera noltei, and Halophila stipulacea, which, however, presenting local presence and limited areal extent. Habitat suitability in terms of the seabed spatial extent that is available for the growth of seagrass meadows (i.e., the spatial extent of coastal areas between the shoreline and the isobath of 20m) and the seawater clarity conditions are highlighted as the critical factors for the formation of well-structured and extensive meadows. The results of this study are of great importance and usefulness for the effective management and conservation of valuable marine ecosystems.
Report: Panayotidis Panayiotis, Papathanasiou Vasillis, Gerakaris Vasilis, Fakiris Elias, Orfanidis Sotiris, Papatheodorou Georgios, Kosmidou Maria, Georgiou Nikos, Drakopoulou Paraskevi, Loukaidi Vasiliki (2022). Seagrass Meadows in The Greek Seas. SEANOE. https://doi.org/10.17882/87740
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Date | 2022-04-19 |
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Date type | Creation: Date identifies when the resource was brought into existence |
Unique resource identifier | 5877d808-3fd7-11eb-b378-0242ac130002 |
Point of contact
Organisation name | EMODnet Seabed Habitats |
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Electronic mail address | EMODnetSeabedHabitats@jncc.gov.uk |
Role | Point of contact: Party who can be contacted for acquiring knowledge about or acquisition of the resource |
Descriptive keywords
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habitat
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biotope
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Spatial representation type | Vector: Vector data is used to represent geographic data |
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Denominator | 50000 |
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Language | English |
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Reference System Information
Unique resource identifier | http://www.opengis.net/def/crs/EPSG/0/3857 |
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Hierarchy level | Dataset: Information applies to the dataset |
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Lineage
Statement | The seagrass meadows data was created using data from the Hellenic Centre for Marine Research, Institute of Oceanography. The organisation used optical (satellite imagery), and acoustic (sidescan sonar) remote sensing techniques, as well as in situ methodologies (visual census; SCUBA diving, Towed Underwater Cameras, and Remotely Operated Vehicles) to map the spatial distribution of seagrass habitats in the coastal waters of the Hellenic territory. This map was initially submitted to SEA scieNtific Open data Edition (SEANOE) publication service and received the recorded DOI (https://doi.org/10.17882/87740). The metadata elements have been further processed (refined) in EMODnet Ingestion Service in order to conform with the Data Submission Service specifications. This map was then submitted through EMODnet Ingestion, refined and uploaded to EMODnet by JNCC. |
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Distribution format | ESRI Shapefile (Version: 1.0) GML (Version: 3.2.1) | ||||||||||||||||||||||||||
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File identifier | 90adc1cd-2fc3-4698-bcae-b51bc035010f | ||||||||||||||||||
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Metadata language | English | ||||||||||||||||||
Character set | UTF8: 8-bit variable size UCS Transfer Format, based on ISO/IEC 10646 | ||||||||||||||||||
Hierarchy level | Dataset: Information applies to the dataset | ||||||||||||||||||
Date stamp | 2024-03-21T08:17:48.593Z | ||||||||||||||||||
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