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External Data Spec

Hellenic Centre for Marine Research DataBase (dataset URL is not available)

External Data Spec Published 07 May 2012
1 min read
HCMR DataBase
information.png Provider:
Hellenic Centre for Marine Research (HCMR)
information.png Dataset URL:
http://www.hcmr.gr
information.png Dataset path:

The direct link that point to the underpinning data is not available. Please contact the organisation for further clarification.

Related content

Interactive charts

Data Visualization Temporal variability of NIS introductions associated with each pathway into Europe's regional seas, since 1949
Data Visualization Pathways of non-indigenous species introductions in European Seas after 1949
Data Visualization Temporal variability of NIS introductions associated with each pathway at marine sub-region level
Data Visualization Cumulative number of non-indigenous species recorded in Europe’s regional seas, 1949-2017
Data Visualization Temporal variability in numbers of new marine non-indigenous species per functional group, recorded in Europe's Seas
Data Visualization Temporal variability in numbers of new marine non-indigenous species per functional group, recorded in each of Europe's regional seas
Data Visualization Cumulative numbers of non-indigenous species in European Seas

Produced figures

Used in indicators

Indicator Specification Pathways of introduction of marine non-indigenous species to European seas This indicator describes the processes (pathways) that result in the transfer of alien species from one location to another. The identification and categorisation of pathways follows the Convention on Biological Diversity (CBD) classification as interpreted by the IUCN (2017). A hierarchical approach has been adopted to describe the pathways, based on the framework developed by Hulme et al. (2008). The main pathways shown above, in which a NIS arrive, can be subdivided into the following categories: importation of a commodity; arrival of a transport vector; or spread from a neighbouring region. The principal pathways were identified under the CBD process (UNEP, 2014) as quoted below. Pathways: 'Transport–Stowaway' refers to the moving of live organisms attached to shipping - transporting vessels and associated equipment and media. This pathway is further subdivided (in Figure 2 and Figure 3) into  three sub-groups. The physical means of transport-stowaway include various conveyances, ballast water and sediments (short: T-S/BALLAST WATER), bio-fouling of ships, boats, offshore oil and gas platforms and other water vessels (short: T-S/HULL FOULING), dredging, angling or fishing equipment (short: T-S/OTHER). Recreational boating is also included under this pathway. 'Release in nature' refers to the intentional introduction of live alien organisms for the purpose of human use in the natural environment. Examples include for biological control; erosion control (and dune stabilisation); fishing or hunting in the wild; landscape 'improvement'; and the introduction of threatened organisms for conservation purposes. 'Escape from confinement’; refers to the movement of (potentially) invasive alien species from confinement (e.g. aquaria; aquaculture and mariculture facilities; scientific research or breeding programmes). Through this pathway, the organisms were initially purposefully imported or otherwise transported to the confined conditions, but then escaped from such confinement, unintentionally. This may include the accidental or irresponsible release of live organisms from confinement, including cases such as the disposal of live food into the environment or the use of live baits in an unconfined water system. 'Transport–Contaminant' refers to the unintentional movement of live organisms as contaminants of a commodity that is intentionally transferred through international trade, development assistance, or emergency relief. This includes pests and fisheries as well as contaminants of other products. ‘Corridor’ refers to the movement of alien organisms into a new region following the construction of transport infrastructures, in whose absence the spread would not have been possible. Such trans-bio-geographical corridors include international canals (connecting river catchments and seas). The secondary natural dispersal of invasive alien species that have been introduced by various  pathways is unaided. Information on the mechanisms of the secondary spread of invasive alien species, after their introduction is not considered in this analysis. Trends in primary pathways over 6 year periods should tell a story when combined with management policies applied/implemented over the last decades. In reality, there could be other factors involved, for example: the decrease could be partly explained by the decreasing pool of potential NIS species not yet arrived in Europe; another factor could be variations in sampling effort, available expertise; the decrease may also be a temporal phenomenon etc.. These aspects are no yet considered in this analysis.
Indicator Specification Trends in marine non-indigenous species This indicator shows the cumulative number and trends in the introduction and recording of marine NIS in the regional seas of Europe since 1949.
Indicator Specification
Archived
Pathways of introduction of marine non-indigenous species This indicator shows trends of marine non-indigenous species per pathway of introduction recorded in European seas since 1950. Analysis is shown at both European and regional sea level.
Indicator Specification
Archived
Trends in marine non-indigenous species This indicator shows the cumulative number and rate of introductions of marine Non-Indigenous Species (NIS) recorded in the regional seas of Europe since 1950. 
Indicator Specification
Archived
Trends in Marine Alien Species (MAS) The indicator for the marine and estuarine species represents the cumulative number (i.e. the sum) of primary producers (plants), invertebrate and vertebrate alien species that have been recorded in European waters since 1950

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