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Policy Document

Our life insurance, our natural capital: an EU biodiversity strategy to 2020

Policy Document
1 min read
European Commission (2011)

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Related indicators

Indicator Specification Vegetation response to water deficit in Europe The indicator addresses anomalies and long term trends of vegetation productivity derived from remote sensing observed time series of vegetation indices in areas that are pressured by drought. Drought pressure is computed as the combination of significant Pearson correlation coefficients (r) derived between time series anomalies of yearly vegetation productivity and the anomalies of various drought hazards (dH) during the growing season. Drought impact is indicated as the most sever negative productivity anomaly under drought pressured areas as well as long term decreasing linear trends of annual vegetation productivity for areas that are pressured by drought hazards. Detailed indicators’ specifications are presented under Methodology.
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 Oxygen concentrations in European coastal and marine waters The indicator illustrates the geographical distribution and trends in summer/autumn concentrations of oxygen in the near-bottom waters of the regional seas of Europe. It uses oxygen concentrations in the near-bottom layer during the period July-October. The following marine regions and subregions are covered, in line with the Marine Strategy Framework Directive (MSFD) (sub)regions: Baltic Sea, North-East Atlantic Ocean, Mediterranean Sea and Black Sea (see 'Regional seas surrounding Europe' map: Regional Seas ).

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