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Fisheries: European commercial fish stocks (SEBI 021) - Assessment published May 2010
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Of the assessed European commercial stocks, about 45 % are outside safe biological limits (1) . (1) A stock is considered to be outside 'Safe Biological Limits' (SBL) when the Spawning Stock Biomass (SSB) (the mature part of a stock) is below a biomass precautionary approach reference point (Bpa), or when fishing mortality (F) (an expression of the proportion of a stock that is removed by fishing activities in a year) exceeds a fishing mortality precautionary approach reference point (Fpa), or when both conditions exist.
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Fisheries: European commercial fish stocks
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Forest: deadwood (SEBI 018) - Assessment published May 2010
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The quantity of deadwood in Europe's forests, which is an important indicator for forest biodiversity, has strongly decreased since the middle of the nineteenth century due to intense forest exploitation and widespread burning of small wood and other debris. Since 1990, however, an overall increase in this indicator by about 4.3 % has been observed and this may be due to increased compliance with sustainable forest management principles. These principles should be considered in view of increasing wood demand, e.g. for renewable energy production.
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Forest: deadwood
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Forest: growing stock, increment and fellings (SEBI 017) - Assessment published May 2010
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The ratio of felling to increment is relatively stable at around 60 %. This favourable utilization rate prevails across Europe, with the exception of Albania and the Former Yugoslav Republic of Macedonia, and has allowed growing stock to increase.
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Forest: growing stock, increment and fellings
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Fragmentation of natural and semi-natural areas (SEBI 013) - Assessment published May 2010
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European ecosystems are literally cut to pieces by urban sprawl together with a rapidly expanding transport network. The increase of mixed natural landscape patterns due to the spread of artificial and agricultural areas into what used to be core natural and semi-natural landscapes is more significant in south-western Europe. Fragmentation is in many places caused by forest harvesting and has a dynamic and cyclic nature but in south-western Europe, losses towards agricultural and artificial surfaces are more frequent. In the period 1990 - 2000 the connectivity for forest species was stable in approximately half of Europe's territory and increasing or decreasing slightly for another 40 %. The decrease was significant in about 5% of provinces spread in Denmark, France, the Iberian Peninsula, Ireland and Lithuania.
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Fragmentation of natural and semi-natural areas
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Freshwater quality (SEBI 016) - Assessment published May 2010
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Pollution of rivers with organic matter and ammonium is decreasing as are the levels of other anthropogenic nutrients in freshwater generally (rivers, lakes and groundwater). This reduces stress on freshwater biodiversity and improves ecological status.
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Freshwater quality
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Habitats of European interest (SEBI 005) - Assessment published May 2010
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 Conservation status (1) is quite variable across the regions. A relatively large proportion of habitats (35 %) have a favourable status in the Alpine region but the situation is much worse in the Atlantic region where more than 70 % have an unfavourable status.That means their range and quality are in decline or do not meet the specified quality criteria. There are still significant gaps in knowledge on marine areas, except for the Baltic. (1) The reporting format uses three classes of conservation status. 'Good' (green) indicates that the species or habitat is at Favourable Conservation Status as defined in the Directive and the habitat or species can be expected to prosper without any change to existing management or policies. Two classes of 'Unfavourable' are also recognised. 'Unfavourable-Bad' (red) signifies that a habitat or species is in serious danger of becoming extinct (at least locally) and 'Unfavourable-Inadequate' (amber) is used for situations where a change in management or policy is required but the danger of extinction is not so high. The unfavourable category has been split into two classes to allow improvements or deterioration to be reported. (Assessment, monitoring and reporting under Article 17 of the Habitats Directive: Explanatory Notes & Guidelines DRAFT 2 January 2006).
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Habitats of European interest
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Impact of climate change on bird populations (SEBI 011) - Assessment published May 2010
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Climate change is having a detectable effect on bird populations at a European scale, including both negative and positive effects. The number of bird species whose populations are observed to be negatively impacted by climatic change is three times larger than those observed to be positively affected by climate warming in this set of widespread European land birds. The Climatic Impact Indicator, which illustrates the impact of climate change on bird populations, has increased strongly in the past twenty years, coinciding with a period of rapid climatic warming in Europe. Potential links between changes in bird populations and ecosystem functioning and resilience are not well understood.
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Impact of climate change on bird populations
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Invasive alien species in Europe (SEBI 010) - Assessment published May 2010
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The cumulative number of alien species introduced has been constantly increasing since the 1900s . While the increase may be slowing down or levelling off for terrestrial and freshwater species, this is certainly not the case for marine and estuarine species. A relatively constant proportion of the alien species establishedcause significant damage to native biodiversity, i.e. can be classified as invasive alien species according to the Convention on Biological Diversity. This increase in the number of alien species established thus implies a growing potential risk of damage to native biodiversity caused by invasive alien species. While the majority of the approximately 10 000 alien species recorded in Europe (DAISIE project) have not (yet) been found to have major impacts, some are highly invasive. To identify the most problematic species to help prioritise monitoring, research and management actions, a list of 'Worst invasive alien species threatening biodiversity in Europe' (15) , presently comprising 163 species/species groups, has been established. While invasive alien species are recognised as a major driver of biodiversity loss, the issue of 'alien species' may in the future need to be considered in the context of climate change and particularly adaptation. For example, as agricultural food production adapts to a changing climate, farmers may welcome the arrival of pollinator species that match the new plant varieties that are used. Indeed, the movement of plant and animal species together may be necessary to facilitate adaptation. (5) A species, subspecies or lower taxon, introduced outside its natural past or present distribution; includes any part, gametes, seeds, eggs or propagules of such species that might survive and subsequently reproduce. An invasive alien species is an alien species whose introduction and/or spread threaten biological diversity www.cbd.int/invasive/terms.shtml, accessed on 2 December 2008). (15) Based on expert opinion in the SEBI 2010 expert group on invasive alien species.
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Invasive alien species in Europe
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Livestock genetic diversity (SEBI 006) - Assessment published May 2010
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In several countries, populations of native breeds, although generally well adapted to local circumstances and resources, remain in critically low numbers, being replaced by a few and widespread highly productive breeds, introduced for this purpose. The fact that native breeds make up only a small part of the total population, and that a high percentage of native breeds are endangered (1) indicates a risk of loss of biodiversity. Although data are available for only a few countries, these indicate that many native cattle breeds are endangered. The situation for sheep is also problematic. Overall, the situation is stable but negative. (1) According to FAO, an endangered breed is assessed on quantitative criteria as the total number of breeding females or the overall population size and the percentage of purebred females. Here, however, each country has its own interpretation.
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Livestock genetic diversity
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Marine trophic index of European seas (SEBI 012) - Assessment published May 2010
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In the majority of European seas, the Marine Trophic Index (MTI) has been declining since the mid - 1950s, which means that populations of predatory fishes decline to the benefit of smaller fish and invertebrates.
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Marine trophic index of European seas
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