HydroBASINS lev08 watershed · #2080481000
Bassin de la Coudre
A watershed (drainage basin) is not a body of water — it is the land area where rainfall converges towards a single river that eventually reaches the sea (or an endorheic basin). Boundaries follow ridgelines.
Crosses 1 administrative regions : Haute-Marne
Sub-basin area
368,5km²
Upstream area
368,6km²
Discharge
4,33m³/s
Mean elev.
397m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
1 dept-equivalent regions (GADM L2)
- 369.6 km²100.0% of basin
54 communes (GADM L5)Available for FRA, RWA
- Rolampont47.91 km²97% commune
- Langres23.97 km²100% commune
- Neuilly-l'Évêque23.93 km²100% commune
- Perrancey-les-Vieux-Moulins16.98 km²100% commune
- Noidant-le-Rocheux16.55 km²100% commune
- Humes-Jorquenay15.80 km²100% commune
- Saints-Geosmes14.25 km²96% commune
- Thivet13.73 km²91% commune
- Dampierre12.80 km²78% commune
- Balesmes-sur-Marne12.26 km²98% commune
- Courcelles-en-Montagne11.72 km²76% commune
- Saint-Ciergues10.77 km²85% commune
- Perrogney-les-Fontaines10.67 km²73% commune
- Bannes10.22 km²100% commune
- Vesaignes-sur-Marne9.33 km²100% commune
- Peigney8.46 km²100% commune
- Lecey8.23 km²100% commune
- Orbigny-au-Mont7.87 km²86% commune
- Marnay-sur-Marne7.17 km²68% commune
- Orbigny-au-Val7.14 km²100% commune
- Changey6.50 km²100% commune
- Champigny-lès-Langres6.47 km²100% commune
- Saint-Vallier-sur-Marne6.25 km²94% commune
- Charmes6.19 km²100% commune
- Beauchemin5.92 km²48% commune
- Chatenay-Mâcheron5.82 km²100% commune
- Faverolles5.38 km²31% commune
- Poiseul4.41 km²91% commune
- Saint-Maurice3.31 km²100% commune
- Chatenay-Vaudin3.18 km²91% commune
- Saint-Martin-lès-Langres3.15 km²90% commune
- Brennes2.52 km²25% commune
- Flagey2.46 km²30% commune
- Chanoy1.98 km²100% commune
- Louvières1.92 km²23% commune
- Poulangy1.80 km²10% commune
- Aprey1.51 km²9% commune
- Plesnoy1.47 km²17% commune
- Bonnecourt1.46 km²13% commune
- Nogent1.33 km²2% commune
- Frécourt1.12 km²18% commune
- Chalindrey0.89 km²4% commune
- Cohons0.76 km²6% commune
- Haute-Amance0.75 km²2% commune
- Chauffourt0.61 km²6% commune
- Villiers-sur-Suize0.60 km²3% commune
- Noidant-Chatenoy0.57 km²10% commune
- Voisines0.37 km²2% commune
- Culmont0.34 km²4% commune
- Mardor0.33 km²5% commune
- Val-de-Meuse0.22 km²0% commune
- Celsoy0.17 km²3% commune
- Bourg0.05 km²1% commune
- Vitry-lès-Nogent0.02 km²0% commune
23 intersecting protected areas
National Park - Buffer zone/Area of adhesion
94.42 km² overlap
Special Areas of Conservation (Habitats Directive)
2.53 km² overlap
Tufière de Rolampont
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
0.80 km² overlap
Ouvrages militaires de la région de Langres
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
0.59 km² overlap
Vallon de Senance à Courcelles-en-Montagne et Noidant-le-Rocheux
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
0.49 km² overlap
Forêts
IUCN IINational Park - Core Area
0.44 km² overlap
Fort de Dampierre ou Magalotti
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
0.35 km² overlap
fort de la bonnelle
IUCN IVLand acquired by a regional conservatory of natural areas
0.19 km² overlap
Land acquired by a regional conservatory of natural areas
0.16 km² overlap
14 more protected areassorted by overlap area
Pelouses submontagnardes du plateau de Langres
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
0.13 km² overlap
Land acquired by a regional conservatory of natural areas
0.11 km² overlap
Marais tufeux du plateau de Langres (secteur Nord)
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
0.10 km² overlap
Land acquired by a regional conservatory of natural areas
0.07 km² overlap
Rebord du plateau de Langres à Cohons et Chalindrey
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
0.07 km² overlap
Land acquired by a regional conservatory of natural areas
0.04 km² overlap
Land acquired by a regional conservatory of natural areas
0.04 km² overlap
Combe Saint-Père
IUCN IVBiotope Protection Order
0.03 km² overlap
Land acquired by a regional conservatory of natural areas
0.03 km² overlap
Land acquired by a regional conservatory of natural areas
0.02 km² overlap
batterie de la montagne
IUCN IVLand acquired by a regional conservatory of natural areas
0.02 km² overlap
Land acquired by a regional conservatory of natural areas
0.01 km² overlap
Land acquired by a regional conservatory of natural areas
0.01 km² overlap
poudrière saints geomes
IUCN IVLand acquired by a regional conservatory of natural areas
0.00 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
3 683 distinct species · 187 630 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 35 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 Bassin de la Coudre : 28 espèces reliées par 87 interactions GloBI sur 4 types (connectance 14.6%, filtre Serrano α=0.2). 7 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydroclimate (BasinATLAS lev08)
Mean T°
9,3°C
Annual rain
851mm
Moisture idx (CMI)
0,09
Runoff
371mm/an
PET
770mm
AET
607mm
Mean slope
3,6°
Water table
243cm
Forest
6%
Crops
35%
Urban
3%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)