Bilag 4 Priority flowchart of Invasive Alien species in the Wadden Sea area Priority flowchartPriority of Invasive Alien of species in the Wadden areaWadden Sea area flowchart Invasive Alien speciesSea in the
Species of the IASSpecies EU-list of arethe highighted in are boldhighighted in bold IAS EU-list Species of the Wadden highligted in Bold Speciessea of list theare Wadden sea list are highligted in Bold
I:Is there a population present in I:Is there a population present in the Wadden Sea area? the Wadden Sea area?
Yes
Yes
No
No
No
No
Has the species an ISEIAHas the species an ISEIAscore of 9 or higher? score of 9 or higher?
Yes
Yes
Locally or wide spread the Locallyinor wide spread in the Wadden sea areaWadden sea area Locally spread
Locally spread
Wide spread
Is it feasible to eliminate the present population Is it feasible to eliminate the present population On the AS in the Wadden Sea area? in the Wadden Sea area? EU-list?
Yes
Yes
High priority species High priority species - Surveillance - Surveillance - eradication plan- iseradication required plan is required - execute the eradication - execute the eradication
No
No
Wide spread
On the AS EU-list?
Yes
Yes
Medium priority Medium species priority species - Surveillance required for - Surveillance required for controlling the population controlling(ifthe population (if feasible) feasible) - Develop management & action - Develop management & action plan for controlling plan for controlling
Low priority species. Low priority species. No further actionNo required, further action required, till further noticetill further notice
- New-Zealand Austrominius modestusbarnacle - New-Zealand barnacle scripta elegans - scripta Red eared slider- Red eared sliderAustrominius modestus Trachemys elegans Eriocheir sinensisEriocheir - Chinesesinensis mitten crab[ Ilses]mitten crab[ Trachemys - Chinese Ilses] Mnemiopsis leidyi - Americanleidyi comb-jelly Mnemiopsis American comb jelly Didemnum vexillum - Dripping sea squirt Didemnum vexillum - Dripping sea squirt Crassostrea gigasCrassostrea - Pacific oyster gigas - Pacific oyster Eriocheir sinensisEriocheir - Chinesesinensis mitten crab [not on ilses]crab [not on ilses] - Chinese mitten Gammarus tigrinus - "tijgervlokreeftje" Gammarus tigrinus - "tijgervlokreeftje" Ensis directus - American jack knife clam jack knife clam Ensis directus - American Alexandrium tamarense Alexandrium tamarense Coscinodiscus wailesii Coscinodiscus wailesii Gracilaria vermiculophylla Gracilaria vermiculophylla Alitta virens - king ragworm Alitta virens - king ragworm Aphelochaeta marioni - bristleworm Aphelochaeta marioni - bristleworm Ficopomatus enigmaticus - Australian tubeworm Ficopomatus enigmaticus - Australian tubeworm H Marenzelleria viridis Marenzelleria viridis -S Chattonella marina var. antiqua - var. antiqua Chattonella marina e Dasysiphonia japonica Dasysiphonia japonica -e Fibrocapsa japonica Fibrocapsa japonica po Odontella sinensis Odontella sinensis Sargassum muticum - wireweed Sargassum muticum - wireweed Marenzelleria neglecta Marenzelleria neglecta Streblospio benedicti Streblospio benedicti Diplosoma listerianum - "Krusten-Seescheide" (?) Diplosoma listerianum - "Krusten-Seescheide" (?) Styela clava - rough seaclava squirt- rough sea squirt Styela Tricellaria inopinata Tricellaria inopinata Cordylophora caspia - freshwater hydroid Chelicorophium Cordylophora caspia - freshwater hydroid Chelicorophium curvispinum - Caspian mud shrimp Hemigrapsus curvispinum - Caspian mud shrimp Hemigrapsus sanguineus - Asian shore crab Hemigrapsus takanoi sanguineus - Asian shore crab Hemigrapsus takanoi - Lag brush clawed shore crabclawed Crepidula - American brush shorefornicata crab Crepidula fornicata - AmericanHyd slipper limpet slipper limpet Mytilopsis leucophaeata - dark false mussel Mytilopsis leucophaeata - dark false mussel Spartina townsendii var. anglica - Townsend's grass Spartina townsendii var. anglica - Townsend's grass
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Rapport »Invasive arter i Nationalpark Vadehavet«
