Rivière· 16 segments

Alz

Crosses 4 administrative regions : Altötting, Rosenheim, Rottal-Inn, Traunstein

rivière

Total length

67km

Max discharge

426,4m³/s

Max Strahler

Segments matched

River geography4 admin regions · 0 communes

Parent watershed

hybas-20804743802270 km²

4 administrative regions crossed (GADM L2)

Altötting
Bayern · Germany
47.9 km
in this dpt
Traunstein
Bayern · Germany
43.9 km
in this dpt
Rosenheim
Bayern · Germany
3.5 km
in this dpt
Rottal-Inn
Bayern · Germany
0.0 km
in this dpt

22 intersecting protected areas

Schutz des Chiemsees, seiner Inseln und Ufergebiete in den Landkreisen Rosenheim und Traunstein als LSG ("Chiemsee-Schutzverordnung")
IUCN V
Landscape Protection Area
Chiemseegebiet mit Alz
IUCN Not Reported
Special Protection Area (Birds Directive)
Lake Chiemsee
IUCN V
Wetland of International Importance (Ramsar Site)
Chiemsee
IUCN Not Reported
Special Areas of Conservation (Habitats Directive)
Salzach und Unterer Inn
IUCN Not Reported
Special Areas of Conservation (Habitats Directive)
Salzach und Inn
IUCN Not Reported
Special Protection Area (Birds Directive)
Moorgebiet von Eggstätt-Hemhof bis Seeon
IUCN Not Reported
Special Areas of Conservation (Habitats Directive)
Moorgebiet von Eggstätt-Hemhof bis Seeon
IUCN Not Reported
Special Protection Area (Birds Directive)
Lower Inn between Haiming and Neuhaus
IUCN Ia
Wetland of International Importance (Ramsar Site)

13 more protected areassorted by area

Inn und Untere Alz
IUCN Not Reported
Special Areas of Conservation (Habitats Directive)
LSG "Salzachtal" im Gebiet der Gemeinde Haiming, der Stadt Burghausen und der Gemeinden Raitenhaslach und Burgkirchen an der Alz
IUCN V
Landscape Protection Area
LSG "Oberes Alztal"
IUCN V
Landscape Protection Area
Untere Alz
IUCN IV
Nature Reserve
Vogelfreistätte Salzachmündung
IUCN IV
Nature Reserve
Alz vom Chiemsee bis Altenmarkt
IUCN Not Reported
Special Areas of Conservation (Habitats Directive)
Innleite bei Marktl mit Dachlwand
IUCN IV
Nature Reserve
Seeoner Seen
IUCN IV
Nature Reserve
Kammmolch-Habitate in den Landkreisen Mühldorf und Altötting
IUCN Not Reported
Special Areas of Conservation (Habitats Directive)
LSG "Dachlwand" in den Gemeinden Perach, Schutzing, Marktlberg und dem Markt Marktl, Landkreis Altötting
IUCN V
Landscape Protection Area
Inschutzstellung des Schloßberges in Wald an der Alz als LSG
IUCN V
Landscape Protection Area
Mausohrkolonien im Unterbayerischen Hügelland
IUCN Not Reported
Special Areas of Conservation (Habitats Directive)
Wochenstuben der Wimperfledermaus im Chiemgau
IUCN Not Reported
Special Areas of Conservation (Habitats Directive)

1 page = 1 named river (aggregation of 16 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

757 distinct species · 3 786 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 34 species (selected proportionally per kingdom among those with at least one documented interaction here) to keep the graph readable. Hover for details, click to explore the full ecosystem of a species.

ℹ️ The territory contains many more species than displayed and all their documented interactions: the graph is intentionally the structural skeleton (top-N species by composite local score, edges filtered by Serrano 2009 disparity filter α=0.2).

RègnesAnimalPlanteChampignonBacterie

RelationsPredationParasitismeSymbiosePollinisation

StatutEn dangerVulnérableProtégéeEndémique

RègnesAnimalPlanteChampignonBacterie

RelationsPredationParasitismeSymbiosePollinisation

StatutEn dangerVulnérableProtégéeEndémique

Indicateurs du tissu écologique

Tissu écologique de Alz : 26 espèces reliées par 96 interactions GloBI sur 5 types (connectance 16.1%, filtre Serrano α=0.2). 9 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées

Interactions affichées

Connectance

0.161

Patrimoniales

Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Hydrology (HydroRIVERS v10)