Ontologia

Rivière· 50 segments

Maas

Crosses 31 administrative regions : 's-Hertogenbosch, Beesel, Bergen, Boxmeer, Cuijk +26

rivière

Total length

242km

Max discharge

399m³/s

Max Strahler

6

Segments matched

50

River geography31 admin regions · 0 communes

Parent watershed

hybas-2080385760281 km²

31 administrative regions crossed (GADM L2)

  • Limburg
    Vlaanderen · Belgium
    28.6 km
    in this dpt
  • Boxmeer
    Noord-Brabant · Netherlands
    27.6 km
    in this dpt
  • Oss
    Noord-Brabant · Netherlands
    23.8 km
    in this dpt
  • Maasdriel
    Gelderland · Netherlands
    14.1 km
    in this dpt
  • Peel en Maas
    Limburg · Netherlands
    10.9 km
    in this dpt
  • Roermond
    Limburg · Netherlands
    10.8 km
    in this dpt
  • Cuijk
    Noord-Brabant · Netherlands
    9.4 km
    in this dpt
  • Maastricht
    Limburg · Netherlands
    7.5 km
    in this dpt
  • West Maas en Waal
    Gelderland · Netherlands
    6.6 km
    in this dpt
  • Grave
    Noord-Brabant · Netherlands
    6.5 km
    in this dpt
  • Venray
    Limburg · Netherlands
    6.2 km
    in this dpt
  • Maasgouw
    Limburg · Netherlands
    5.9 km
    in this dpt
  • Stein
    Limburg · Netherlands
    4.9 km
    in this dpt
  • 's-Hertogenbosch
    Noord-Brabant · Netherlands
    4.8 km
    in this dpt
  • Venlo
    Limburg · Netherlands
    4.7 km
    in this dpt
  • Liège
    Wallonie · Belgium
    4.2 km
    in this dpt
  • Horst aan de Maas
    Limburg · Netherlands
    3.8 km
    in this dpt
  • Heusden
    Noord-Brabant · Netherlands
    2.5 km
    in this dpt
  • Sittard-Geleen
    Limburg · Netherlands
    2.5 km
    in this dpt
  • Bergen
    Limburg · Netherlands
    2.0 km
    in this dpt
  • Echt-Susteren
    Limburg · Netherlands
    1.9 km
    in this dpt
  • Heumen
    Gelderland · Netherlands
    1.6 km
    in this dpt
  • Beesel
    Limburg · Netherlands
    1.5 km
    in this dpt
  • Leudal
    Limburg · Netherlands
    1.1 km
    in this dpt
  • Meerssen
    Limburg · Netherlands
    1.1 km
    in this dpt
  • Zaltbommel
    Gelderland · Netherlands
    0.9 km
    in this dpt
  • Wijchen
    Gelderland · Netherlands
    0.6 km
    in this dpt
  • Gennep
    Limburg · Netherlands
    0.3 km
    in this dpt
  • Mook en Middelaar
    Limburg · Netherlands
    0.2 km
    in this dpt
  • Eijsden-Margraten
    Limburg · Netherlands
    0.0 km
    in this dpt
  • Sint Anthonis
    Noord-Brabant · Netherlands
    0.0 km
    in this dpt

30 intersecting protected areas

  • NNN-GE

    IUCN Not Assigned

    Nature Reserves owned by professional nature management organizations

  • NNN-NB

    IUCN Not Assigned

    Nature Reserves owned by professional nature management organizations

  • NNN-LI

    IUCN Not Assigned

    Nature Reserves owned by professional nature management organizations

  • Rijntakken

    IUCN IV

    Nature Conservation Act

  • Rijntakken

    IUCN Not Reported

    Special Protection Area (Birds Directive)

  • Maasduinen

    IUCN IV

    Nature Conservation Act

  • Maasduinen

    IUCN Not Reported

    Special Areas of Conservation (Habitats Directive)

  • Maasduinen

    IUCN Not Reported

    Special Protection Area (Birds Directive)

  • De Maasduinen

    IUCN II

    National Park

21 more protected areas

1 page = 1 named river (aggregation of 50 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

1 863 distinct species · 14 230 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 33 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

Indicateurs du tissu écologique

Tissu écologique de Maas : 18 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 115 interactions GloBI sur 6 types (connectance 19.3%, filtre Serrano α=0.2). 17 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
35
Interactions affichées
115
Connectance
0.193
Patrimoniales
1
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)

Total length

242km

Max discharge

399,0m³/s

Max Strahler

6

Segments matched

50

HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.