HydroBASINS lev08 watershed · #1081172030
Bassin de Ruhezamyenda
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 8 administrative regions across 3 countries : Burera, Kinkiizi, Kisoro, Musanze, Ndorwa +3
Sub-basin area
1 409,2km²
Upstream area
1 409,3km²
Discharge
10,94m³/s
Mean elev.
2 034m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
8 dept-equivalent regions (GADM L2)
- 494.9 km²35.3% of basin
- 413.6 km²29.5% of basin
- 304.7 km²21.7% of basin
- 144.3 km²10.3% of basin
- 38.6 km²2.8% of basin
- 3.1 km²0.2% of basin
- Musanze2.4 km²0.2% of basin
- 1.4 km²0.1% of basin
85 communes (GADM L5)Available for FRA, RWA
- Mushunga1.69 km²100% commune
- Buganza1.56 km²100% commune
- Kiringa1.55 km²100% commune
- Kivumo1.50 km²99% commune
- Bitukura1.46 km²97% commune
- Nyakabungo1.41 km²95% commune
- Vunga1.29 km²100% commune
- Rugarambiro1.16 km²100% commune
- Byorera1.12 km²100% commune
- Tumba1.10 km²99% commune
- Kanyenzugi1.07 km²92% commune
- Nkururo1.06 km²100% commune
- Gasiza1.04 km²100% commune
- Gatebe0.96 km²93% commune
- Mutungo0.93 km²100% commune
- Buzaniro0.90 km²100% commune
- Mubuga0.90 km²100% commune
- Gafumba0.90 km²100% commune
- Burambira0.90 km²87% commune
- Rubaya0.87 km²100% commune
- Karambo0.86 km²77% commune
- Zihare0.86 km²100% commune
- Gashiru0.82 km²100% commune
- Ryamayaya0.81 km²95% commune
- Rubayo0.79 km²100% commune
- Gacereri0.78 km²100% commune
- Sangabuzi0.77 km²100% commune
- Nama0.77 km²74% commune
- Kivumo0.75 km²100% commune
- Kinihira0.73 km²79% commune
- Gari0.67 km²58% commune
- KabariMusanze0.65 km²12% commune
- Nyakabungo0.61 km²78% commune
- Burango0.61 km²34% commune
- NyarubandeMusanze0.58 km²14% commune
- Karwema0.57 km²72% commune
- Bungwe0.49 km²50% commune
- Gifumba0.48 km²52% commune
- Gakenke0.46 km²15% commune
- Nyamiyaga0.39 km²27% commune
- Kajerijeri0.37 km²64% commune
- Gakeri0.34 km²97% commune
- KabaraMusanze0.34 km²12% commune
- Ryaruyumbu0.30 km²36% commune
- Rwemikore0.21 km²27% commune
- Bukumbi0.19 km²66% commune
- Shanja0.18 km²44% commune
- Kabere0.18 km²27% commune
- NkogoteMusanze0.15 km²6% commune
- NyakiginaMusanze0.15 km²3% commune
- Rubonobono0.15 km²9% commune
- NyabutakaMusanze0.12 km²4% commune
- Gasiza0.12 km²6% commune
- CyabiregoMusanze0.11 km²7% commune
- NyamiyagaMusanze0.10 km²6% commune
- Nyabizi Iii0.10 km²6% commune
- Bisura0.10 km²7% commune
- Rugandu0.09 km²20% commune
- Kindege0.08 km²9% commune
- MicacaMusanze0.07 km²1% commune
- KansoroMusanze0.07 km²1% commune
- Rweru0.07 km²5% commune
- Nyabyondo0.06 km²4% commune
- Karuheshyi0.06 km²3% commune
- Cyili0.06 km²3% commune
- Mbuga0.06 km²5% commune
- Murambo0.04 km²9% commune
- Kabasha0.04 km²6% commune
- Gasiza0.03 km²2% commune
- Musama0.03 km²4% commune
- Rubara0.03 km²3% commune
- Kibande0.03 km²3% commune
- Bihanga0.02 km²1% commune
- Nyabizi Ii0.02 km²1% commune
- Karambi0.02 km²2% commune
- Murwa0.01 km²1% commune
- KansoroMusanze0.01 km²0% commune
- Kagano0.01 km²2% commune
- Kavumu0.01 km²0% commune
- Rugeshi0.00 km²0% commune
- Mubuga0.00 km²0% commune
- Buhinga0.00 km²0% commune
- Kagoma0.00 km²0% commune
- Zaneza0.00 km²0% commune
- Gahira0.00 km²0% commune
10 intersecting protected areas
Parc national des Volcans
IUCN Not ApplicableUNESCO-MAB Biosphere Reserve
97.36 km² overlap
Bwindi Impenetrable
IUCN IINational Park
66.95 km² overlap
Bwindi Impenetrable National Park
IUCN Not ApplicableWorld Heritage Site (natural or mixed)
66.95 km² overlap
Parc national des Virunga
IUCN Not ReportedWetland of International Importance (Ramsar Site)
58.56 km² overlap
Virunga National Park
IUCN Not ApplicableWorld Heritage Site (natural or mixed)
58.56 km² overlap
Virunga
IUCN IINational Park
58.56 km² overlap
Mgahinga Gorilla
IUCN IINational Park
37.82 km² overlap
Echuya
IUCN Not ReportedForest Reserve
31.24 km² overlap
Volcans
IUCN IINational Park
2.62 km² overlap
1 more protected areassorted by overlap area
Muko
IUCN Not ReportedForest Reserve
1.67 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 896 distinct species · 103 477 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 6 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 Ruhezamyenda : 6 espèces reliées par 4 interactions GloBI sur 2 types (connectance 26.7%, filtre Serrano α=0.2).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydroclimate (BasinATLAS lev08)
Mean T°
16,6°C
Annual rain
1 312mm
Moisture idx (CMI)
-0,10
Runoff
271mm/an
PET
1 450mm
AET
1 089mm
Mean slope
11,2°
Water table
522cm
Forest
42%
Crops
39%
Urban
11%
Protected
14%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)