Ontologia

Ruisseau· 3 segments

La Loisne

Crosses 2 administrative regions : Nord, Pas-de-Calais

ruisseau

Total length

20km

Max discharge

1,5m³/s

Max Strahler

2

Segments matched

3

River geography2 admin regions · 21 communes

Parent watershed

hybas-2080412180736 km²

2 administrative regions crossed (GADM L2)

  • Pas-de-Calais
    Hauts-de-France · France
    14.5 km
    in this dpt
  • Nord
    Hauts-de-France · France
    3.5 km
    in this dpt
21 communes (L5)

2 intersecting protected areas

1 page = 1 named river (aggregation of 3 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

1 187 distinct species · 29 263 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 44 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 La Loisne : 34 espèces reliées par 134 interactions GloBI sur 6 types (connectance 13.5%, filtre Serrano α=0.2). 11 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
45
Interactions affichées
134
Connectance
0.135
Patrimoniales
0
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

20km

Max discharge

1,5m³/s

Max Strahler

2

Segments matched

3

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