Ruisseau· 2 segments
Grenff
Crosses 1 administrative regions : Schwalm-Eder-Kreis
Total length
21km
Max discharge
3,1m³/s
Max Strahler
3
Segments matched
2
River geography1 admin regions · 0 communes
1 administrative regions crossed (GADM L2)
- Schwalm-Eder-KreisHessen · Germany7.7 kmin this dpt
5 intersecting protected areas
Knüll
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Auenverbund Schwalm
IUCN VLandscape Protection Area
Landscape Protection Area
Schwalmniederung bei Schwalmstadt
IUCN Not ReportedSpecial Protection Area (Birds Directive)
In den Erlen von Loshausen
IUCN IVNature Reserve
1 page = 1 named river (aggregation of 2 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
640 distinct species · 1 509 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).
Indicateurs du tissu écologique
Tissu écologique de Grenff : 17 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 116 interactions GloBI sur 5 types (connectance 19.5%, filtre Serrano α=0.2). 18 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)
Total length
21km
Max discharge
3,1m³/s
Max Strahler
3
Segments matched
2
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.