Article 17 web tool

Scientific name used in original MS report if different than recommended: "Limoniscus violaceus"
Information provided in the field 2.8.2: Reported additionnal information: ||
->Range: There is no recent occurence in the alpine region. ||
->Population: N/A ||
->HabInfo: N/A ||
->Future: N/A ||
->Conclusion: N/A ||
->JustificationThreshold: N/A ||
->Other: N/A

Open Original Report  

Scientific name used in original MS report if different than recommended: "Limoniscus violaceus"
Information provided in the field 2.8.2: Reported additionnal information: ||
->Range: N/A ||
->Population: N/A ||
->HabInfo: N/A ||
->Future: N/A ||
->Conclusion: N/A ||
->JustificationThreshold: N/A ||
->Other: N/A

Open Original Report  

Scientific name used in original MS report if different than recommended: "Limoniscus violaceus"
Information provided in the field 2.8.2: Reported additionnal information: ||
->Range: N/A ||
->Population: No hay datos precisos que permitan extraer la tendencia poblacional a corto y a largo plazo de esta especie, por lo que con respecto al sexenio anterior (2007-2012), no se ha producido cambio alguno. ||
->HabInfo: N/A ||
->Future: N/A ||
->Conclusion: N/A ||
->JustificationThreshold: N/A ||
->Other: N/A

Open Original Report  

Scientific name used in original MS report if different than recommended: "Limoniscus violaceus"
Information provided in the field 2.8.2: Reported additionnal information: ||
->Range: L’aire de répartition s’est légèrement agrandie par rapport au rapportage précèdent avec la découverte de l’espèce en Mayenne et en Astarac. Si de nouvelles observations n’ont pas eu lieu sur l’ensemble des localités énoncées, il semble toutefois qu’elles hébergent toujours l’espèce. Il semble donc que la tendance d’évolution par rapport à 2007 soit stable. Toutefois, la plupart des localités hébergent une population en raison d’un ou deux arbres remarquables induisant de grosses interrogations sur le maintien à long terme d’une population dans ces lieux. La disparition généralisée des pratiques liées à l’entretien des arbres champêtres va conduire à une régression en termes de disponibilité d’habitats sans processus de recrutement pour assurer le maintien à long terme des populations de l’espèce dans les milieux agro-pastoraux. Pour les quelques forêts où l’espèce est présente, toutes domaniales, des mesures ont été énoncées pour la préservation de l’espèce. Actuellement, seules la Grésigne, Compiègne et Fontainebleau offrent des perspectives pour l’espèce. En forêt de Loche, l’espèce n’a pas été revue et les conditions d’exploitation sylvicole n’a pas permis le maintien d’une densité de cavités favorable à l’espèce satisfaisante. ||
->Population: N/A ||
->HabInfo: N/A ||
->Future: N/A ||
->Conclusion: N/A ||
->JustificationThreshold: N/A ||
->Other: N/A

Open Original Report  

Scientific name used in original MS report if different than recommended: "Limoniscus violaceus"
Information provided in the field 2.8.2: Reported additionnal information: ||
->Range: The current surface area is equal to the FRR and the trend is stable. ||
->Population: The apparent increase in population since 2013 is the result of using a different method – from assessing occupied trees to non-invasive probability mapping, which establishes a statistical probability of use, but not of occupation. This method indicates the size of the resource, not certainty of occupation. Based on knowledge of the species' ecology and the likely distribution of veteran trees over the last 100 years, expert opinion is that the species was more numerous than present figures suggest. The population is now considered insufficient to support a viable UK population and is more than 25% below the FRP. ||
->HabInfo: The area and quality of habitat are not sufficiently large to ensure the long-term survival of the species. The number of veteran ash and beech trees remains a limiting factor for this species. Understanding of the age class gaps across the three sites is improving. ||
->Future: Future trend of Range is Overall stable; Future trend of Population is Negative - decreasing <=1% (one percent or less) per year on average; and Future trend of Habitat for the species is Negative - slight/moderate deterioration. For further information on how future trends inform the Future Prospects conclusion see the 2019 Article 17 UK Approach document. ||
->Conclusion: Conclusion on Range reached because: (i) the short-term trend direction in Range surface area is stable; and (ii) the current Range surface area is not less than the Favourable Reference Range.

Conclusion on Population reached because: (i) the short-term trend direction in Population size is stable; and (ii) the current Population size is more than 25% below the Favourable Reference Population.

Conclusion on Habitat for the species reached because: (i) the area of occupied and unoccupied habitat is not sufficiently large and (ii) the habitat quality is not adequate for the long-term survival of the species; and (iii) the short-term trend in area of habitat is decreasing.

Conclusion on Future prospects reached because: (i) the Future prospects for Range are good; (ii) the Future prospects for Population are poor; and (iii) the Future prospects for Habitat for the species are bad.

Overall assessment of Conservation Status is Unfavourable-bad because one or more of the conclusions is Unfavourable-bad.

Overall trend in Conservation Status is based on the combination of the short-term trends for Range – stable, Population – stable, and Habitat for the species – decreasing.

Overall assessment of conservation status has not changed since 2013.

Overall trend in conservation status has not changed since 2013. ||
->JustificationThreshold: N/A ||
->Other: This species is victim to the age class gap present in UK parklands and woods, where its veteran tree resource, though relatively long-lived, is finite and will suffer a resource bottleneck in the future as the wood mould will probably not be in sufficient volumes to sustain the species at its three UK sites. Climate change effects, either from drought, excessive wet, or increased storm events, all threaten the small resource of veteran trees, whilst the rise of tree pathogens, such as sudden oak death pose extra problems.

Open Original Report  

Scientific name used in original MS report if different than recommended: "Limoniscus violaceus"
Information provided in the field 2.8.2: Reported additionnal information: ||
->Range: N/A ||
->Population: New sampling techniques added more records (Straka 2015), but the overall picture remains unchanged. Data are unsuitable to infer any genuine change of the population status. ||
->HabInfo: The habitat requirements are highly specific and unlikely to be met over large unfragmented areas. ||
->Future: N/A ||
->Conclusion: N/A ||
->JustificationThreshold: N/A ||
->Other: N/A

Open Original Report  

Scientific name used in original MS report if different than recommended: "Limoniscus violaceus"
Information provided in the field 2.8.2: Reported additionnal information: ||
->Range: N/A ||
->Population: N/A ||
->HabInfo: N/A ||
->Future: N/A ||
->Conclusion: N/A ||
->JustificationThreshold: N/A ||
->Other: N/A

Open Original Report  

Scientific name used in original MS report if different than recommended: "Limoniscus violaceus"
Information provided in the field 2.8.2: Reported additionnal information: ||
->Range: N/A ||
->Population: N/A ||
->HabInfo: N/A ||
->Future: N/A ||
->Conclusion: N/A ||
->JustificationThreshold: N/A ||
->Other: N/A

Open Original Report  

Scientific name used in original MS report if different than recommended: "Limoniscus violaceus"
Information provided in the field 2.8.2: Reported additionnal information: ||
->Range: N/A ||
->Population: Methodik zur Ermittlung der Populationsgröße in EU-Einheit: 1. Pufferung der GIS-Koordinaten anhand der Vorkommensdefinitionen (100 m)
2. Verschneidung mit dem 1x1km-Raster
3. Ermittlung der besetzten grids1x1 (Min: Anzahl durch Koordinaten getroffene grids1x1) ||
->HabInfo: N/A ||
->Future: N/A ||
->Conclusion: N/A ||
->JustificationThreshold: N/A ||
->Other: N/A

Open Original Report  

Scientific name used in original MS report if different than recommended: "Limoniscus violaceus"
Information provided in the field 2.8.2: Reported additionnal information: ||
->Range: N/A ||
->Population: N/A ||
->HabInfo: N/A ||
->Future: N/A ||
->Conclusion: N/A ||
->JustificationThreshold: N/A ||
->Other: N/A

Open Original Report  

Scientific name used in original MS report if different than recommended: "Limoniscus violaceus"
Information provided in the field 2.8.2: Reported additionnal information: ||
->Range: N/A ||
->Population: No hay datos precisos que permitan extraer la tendencia poblacional a corto y a largo plazo de esta especie, por lo con respecto al sexenio anterior (2007-2012), no se ha producido cambio alguno. ||
->HabInfo: N/A ||
->Future: N/A ||
->Conclusion: N/A ||
->JustificationThreshold: N/A ||
->Other: N/A

Open Original Report  

Scientific name used in original MS report if different than recommended: "Limoniscus violaceus"
Information provided in the field 2.8.2: Reported additionnal information: ||
->Range: N/A ||
->Population: N/A ||
->HabInfo: N/A ||
->Future: Plusieurs aspects pour les perspectives futures (avec le problème de connaissance à résoudre) : Les populations sont fragiles mais les sites sont en RBI ou avec une gestion intégrant le Limoniscus. Donc une stabilité ou amélioration à long terme est possible. ||
->Conclusion: N/A ||
->JustificationThreshold: N/A ||
->Other: N/A

Open Original Report  

Scientific name used in original MS report if different than recommended: "Limoniscus violaceus"
Information provided in the field 2.8.2: Reported additionnal information: ||
->Range: N/A ||
->Population: N/A ||
->HabInfo: N/A ||
->Future: N/A ||
->Conclusion: N/A ||
->JustificationThreshold: N/A ||
->Other: N/A

Open Original Report  

Scientific name used in original MS report if different than recommended: "Limoniscus violaceus"
Information provided in the field 2.8.2: Reported additionnal information: ||
->Range: N/A ||
->Population: N/A ||
->HabInfo: N/A ||
->Future: N/A ||
->Conclusion: N/A ||
->JustificationThreshold: N/A ||
->Other: N/A

Open Original Report  

Scientific name used in original MS report if different than recommended: "Limoniscus violaceus"
Information provided in the field 2.8.2: Reported additionnal information: ||
->Range: N/A ||
->Population: N/A ||
->HabInfo: N/A ||
->Future: N/A ||
->Conclusion: N/A ||
->JustificationThreshold: N/A ||
->Other: N/A

Open Original Report