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Federal Agency for Nature Conservation

Assessment of the conservation status for species and habitat types

The assessment of the conservation status of the species is based on the merging of individual assessments of the four parameters "Current distribution area" and "Population", "Habitat of the species" and "Future prospects ". In the case of Appendix V species, additional information on the extraction or use of the respective species is required. The criteria for evaluating the parameters are specified in Appendix B of the report format.

For the habitat types, the parameters "Current range", "Current area", "Specific structures and functions" and "Future prospects" are to be assessed according to the criteria defined in Appendix D and are then aggregated to assess the conservation status.

The EU reporting format provides a general matrix for the assessment of the parameters for the species (Appendix C) and the habitat types (Appendix E). Here, the parameters are assigned to the three assessment levels "favorable [green]", "unfavorable-inadequate [yellow]" and "unfavorable-bad [red]" according to a few main criteria (so-called traffic light scheme).

If the data situation does not allow an exact evaluation of the parameters, they are classified as "unknown [gray]". The member states specify the general evaluation matrix by means of detailed species or habitat-related evaluation schemes with limit and threshold values ​​for each criterion, on the basis of which they classify the parameters according to the traffic light scheme. The overall assessment of the conservation status, i.e. the aggregation of the four individual parameter assessments, follows fixed rules:

Basically, the worst individual value is decisive. The conservation status is only favorable if all four parameters are rated "green" or three parameters are rated "green" and one is "unknown".