Rivière
Fossé de la Drogue
⚠ Partial coverage : only 1 named segment matched so far. The real rivière extends much further (Strahler order 5 indicates a major river). Cross-source ingest in progress — values below reflect only the matched segment.
Crosses 1 administrative regions : Charente-Maritime
Max discharge
126,5m³/s
Max Strahler
5
Segments matched
1
River geography1 admin regions · 6 communes
1 administrative regions crossed (GADM L2)
- Charente-MaritimeNouvelle-Aquitaine · France7.7 kmin this dpt
6 communes (L5)For countries with L5
- Saintes5.28 km
- Les Gonds1.76 km
- Courcoury0.39 km
- Fontcouverte0.26 km
- Chaniers0.00 km
- Bussac-sur-Charente0.00 km
4 intersecting protected areas
Moyenne vallée de la Charente et Seugnes et Coran
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Vallée de la Charente moyenne et Seugnes
IUCN Not ReportedSpecial Protection Area (Birds Directive)
val de seugne
IUCN IVLand acquired by a regional conservatory of natural areas
vallee de la seugne
IUCN IVLand acquired by a regional conservatory of natural areas
1 page = 1 named river (aggregation of 1 HydroRIVERS v10 segment). Spatial join cached after first hit.
Species present
1 541 distinct species · 17 969 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 27 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).
Indicateurs du tissu écologique
Tissu écologique de Fossé de la Drogue : 16 espèces reliées par 123 interactions GloBI sur 6 types (connectance 28.3%, filtre Serrano α=0.2). 14 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydrology (HydroRIVERS v10)
Matched len.
1,4km
Max discharge
126,5m³/s
Max Strahler
5
Segments matched
1
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.