Norsk svarteliste 2007

Norsk svarteliste 2007
Risikovurdering Risk Analysis
(Global Invasive Species Database, http://www.issg.
org/database), iii) kriterier for kategoristatus 2007, iv)
en grov klassifisering av vektor (se boks 14), v) en grov
klassifisering av spredningsvei (se boks 15) og vi) en
grov klassifisering av livsmiljø som arten forekommer i
Norge (se boks 16).
Presentation of the risk analyses
The results of the risk analyses are presented in a simplified
form in this book. More detailed information on
each risk-analysed species is available by performing a
search in the Alien Species Database on the Norwegian
Biodiversity Information Centre web site (www.Artsdatabanken.no).
In addition to the scientific name of the species, the
table of the risk-analysed alien species in Norway in
2007 contains: i) the Norwegian names of those species
for which a reasonably unambiguous name exists, ii)
whether the species is listed on the World Conservation
Union (IUCN) list of the 100 worst invasive species in the
world (Global Invasive Species Database, http://www.issg.
org/database), iii) criteria for the category status in 2007,
Box 16. Broad classification of type of environment used in the table of riskanalysed
alien species in Norway in 2007. The classification follows Ødegaard et
al. (2005):
Fe Open fresh water – comprises habitats that are permanently, or for long periods, submerged, or where the actual water
bodies form the habitat. It includes everything from large lakes to small tarns, as well as all types of running water.
Fj Alpine and tundra – comprises mineral soil above the treeline, i.e. alpine ridges, early snow patch vegetation, late
snow patch vegetation, tundra and patterned ground. Alpine mires are included in V and tarns are included in Fe.
I Indoors – comprises all types of man-made constructions and natural caves.
J Agricultural landscape – in addition to the pure agricultural landscape, this comprises cultural landscape with trees,
anthropogenous grassland above and below the treeline, coastal heath, wasteland and sand and gravel pits. Farm
ponds are included in Fe.
K Coast and seashore – includes coastal habitats from the lower tidal limit to the salt-influenced area above the
spring-tide level, inclusive. It also includes sand dunes close to the sea and sea cliffs (e.g. bird cliffs). Sublittoral
vegetation that is permanently or almost permanently submerged is included in M.
M Marine environment – comprises the littoral zone, sublittoral habitats, deep-sea habitats and pelagic environments.
Ice-associated types of habitat and brackish water are also included.
P Parasites and diseases – comprises host species for parasites and diseases.
R Scree and rock vegetation, and gullies with streams – comprises dry, open grassland which is not, or is only slightly,
anthropogenously disturbed, unstable unconsolidated deposits lacking closed vegetation, stable types of habitat above
and below the treeline with a poorly developed vegetation cover and gullies with streams. Salt-influenced rocky
shores are included in Coast and seashore.
S Forest and woodland – comprises types of habitat where trees predominate, i.e. all types of woodland and forest,
including clear-felled areas, afforested areas, upland birch woodland and wasteland with trees. Pastures with scattered
trees, woodland border scrub, isolated trees, parks and avenues are included in J, alluvial scrub and woodland
is included in V and early snow patch vegetation with shrubs and trees in the mountains is placed in Fj.
V Wetland, freshwater shore vegetation and mire – comprises mire, spring and flush vegetation and habitats which
partly or periodically are inundated, such as swamps, rush belts, freshwater shores alongside running water and
freshwater shore vegetation.
For detailed information on the habitat attachment of each species, please use the search option in the Alien Species
Database on the Norwegian Biodiversity Information Centre web site (www.Artsdatabanken.no).
57