2008 - Crayfish of Romania

Attribute Acceptable limits FC MP Comments on attribute assessment
DIRECT
Quantity
• Population present
in the site
• Minimum viable
population size
Population
dynamics
• Evidence of
reproduction /
recruitment
INDIRECT
Habitat extent
• Area of habitat(s)
containing species
Habitat condition
• Structure of
associated
vegetation layers
• Species
composition of
associated plant
community
• Maintenance of
specific habitat
features supporting
the species
Maintenance
requirements
• Presence of other
required organisms
Alte surse de
informare
>50% of the area with at least
1 specimen
at least 1 specimen observed
in the area every 3 years
> 1 tree with hollows containing
dark decaying wood dust, with
larvae in
no decline in habitat area
containing species (larval &
adult stages)
sparse trees or woodland
edges
deciduous forests (Quercus,
Fagus, Tilia, Carpinus, Salix)
* *
dead wood with hollows *
broadleaved species such as
Quercus, Fagus, Tilia,
Carpinus, Salix
Fisa completata de: Adrian Ruicanescu
Contributie asigurate
de:
Ultima updatare: 13.08.07
*
Panin S. 1957. Fam Scarabaeidae II, în Fauna R.P.R., Insecta, vol. X, fasc. 4. Ed.
Acad. Rom., pp: 262-264
Ranius T. (Ed.) 2005. Osmoderma eremita (Coleoptera, Scarabaeidae, Cetoniinae) in
Europe. Animal Biodiv. And Conserv, 28(1): 1-44.
P. J. van Helsdingen (Ed.) Background information on invertebrates of the Habitats
Directive and the Bern Convention. Part I - Crustacea, Coleoptera and Lepidoptera: 64-
69.