Information

Ecological parameter:  catchment region

Parameter group: occurrence

Explanation:
This parameter shows the occurrences of species in certain European catchment regions including the information whether a species is native (n) or alien (a).

Classification system: presence/absence assignment system

Abbreviations:
Category nameAbbreviationExplanation
nnative
aalien
Aegean SeaAeSe
English Channel ER 18EC18
English Channel ER 13EC13
GaronneGaro
Great OuseGrOu
GuadianaGuad
Gulf of RigaGuRi
Ionian SeaIoSe
Irish SeaIrSe
Kattegatt SoundKaSo
LoireLoir
Anglian CoastAnCo
Mediterranean Sea WBMeSe
Mediterranean Sea WB North PyreneesMSNP
MedwayMedw
MerseyMers
MeuseMeus
NE Atlantic OceanNEAO
NemunasNemu
North Atlantic OceanNoAO
North SeaNoSe
OdraOdra
Baltic SeaBaSe
RhineRhin
RhoneRhon
SeineSein
SevernSeve
SkagerrakSkag
TagusTagu
TeesTees
ThamesTham
TrentTren
WislaWisl
Black SeaBlSe
Yorkshire OuseYoOu
Bay of BiscayBaBi
Strait of GibraltarStGi
GuadalquivirGuqu
Tyrrhennian SeaTySe
Adriatic SeaAdSe
Bristol ChannelBrCh
DanubeDanu
DouroDour
EbroEbro
ElbeElbe
Assigned taxa for each higher systematic unit
TaxagroupNumber of assigned taxa / total number of taxa - percentage
Acipenseriformes3 / 13 - 23%
Anguilliformes1 / 1 - 100%
Atheriniformes2 / 4 - 50%
Clupeiformes2 / 18 - 11.1%
Cypriniformes92 / 312 - 29.4%
Cyprinodontiformes8 / 12 - 66.6%
Esociformes3 / 3 - 100%
Gadiformes1 / 1 - 100%
Gasterosteiformes3 / 9 - 33.3%
Perciformes28 / 94 - 29.7%
Petromyzontiformes6 / 13 - 46.1%
Pleuronectiformes2 / 3 - 66.6%
Salmoniformes18 / 125 - 14.4%
Scorpaeniformes4 / 16 - 25%
Siluriformes5 / 7 - 71.4%
Syngnathiformes1 / 4 - 25%