Department · CMR
Noun
Cameroon
Species observed
1 240
Observations
7 545
Area
7 637,7km²
Ecological tissue
Sample of 32 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 Noun : 27 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 28 interactions GloBI sur 3 types (connectance 5.6%, filtre Serrano α=0.2). 5 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
1 240 distinct species · 7 545 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
23,2°C
Annual rain
1 807mm
Warmest m°
32,7°C
Coldest m°
17,9°C
Elevation: 927 m on average (min 614 m, max 2 054 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
5,4
Org. C
26,8g/kg
Clay
35,8%
Sand
33,8%
Silt
30,4%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: vbGLiM
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology26 basins · 6 lakes · 46 rivers
Hydrology metrics for this exact territory
Stream length here
602,9km
Lake surface here
107,52km²
Basins crossed
26
Max stream order
6
Max drainage
25 429km²
Discharge in basins
1 332,5m³/s
Mean precip.
1 873mm/an
Mean T°
22,9°C
Moisture idx
0,15
Mean runoff
661mm/an
Mean elev. (basins)
976m
Watersheds crossing here
- Bassin de Mbamsub-area2 526,7 km²overlap1421.66 km²19%
- Bassin de Mfusub-area1 230,1 km²overlap1224.73 km²16%
- Bassin de Buisub-area2 029,5 km²overlap1056.90 km²14%
- Bassin de Nounsub-area2 064 km²overlap1015.92 km²13%
- Bassin de Mwensub-area551,6 km²overlap549.21 km²7%
- Bassin de Nounsub-area2 328,5 km²overlap522.76 km²7%
- Bassin de Mapésub-area483,1 km²overlap364.00 km²5%
- Bassin de Maalapsub-area318,1 km²overlap316.71 km²4%
- Bassin de Nounsub-area314,5 km²overlap237.31 km²3%
17 more basinssorted by overlap
- Bassin de Mbamsub-area293,8 km²overlap176.16 km²2%
- Bassin de Mbamsub-area257,1 km²overlap163.14 km²2%
- Bassin de Mapésub-area165,8 km²overlap152.81 km²2%
- Basin #72680sub-area210,6 km²overlap135.83 km²2%
- Bassin de Mbamsub-area139,3 km²overlap106.86 km²1%
- Basin #72460sub-area795,7 km²overlap48.35 km²1%
- Bassin de Nounsub-area45,4 km²overlap38.81 km²1%
- Basin #71390sub-area81,5 km²overlap26.86 km²0%
- Bassin de Manwisub-area811 km²overlap24.11 km²0%
- Basin #71280sub-area97,2 km²overlap23.65 km²0%
- Bassin de NGEsub-area354,1 km²overlap21.49 km²0%
- Bassin de Mbamsub-area60,7 km²overlap9.17 km²0%
- Bassin de Mapésub-area1 463 km²overlap0.55 km²0%
- Basin #70920sub-area284,8 km²overlap0.25 km²0%
- Bassin de Kimsub-area1 016,8 km²overlap0.24 km²0%
- Basin #71400sub-area404,1 km²overlap0.14 km²0%
- Bassin de Manondjangsub-area978 km²overlap0.06 km²0%
Lakes (6, top by area)
Rivers / streams (46, ord ≥ 4)
- Mbamord 7len here161.75 km22%total744 km
- Nounord 5len here71.37 km31%total230 km
- Mwenord 3len here51.06 km100%total51 km
- Mfuord 3len here39.59 km100%total40 km
- Ndoupord 2len here29.04 km100%total29 km
- Nkoupord 3len here26.93 km100%total27 km
- Mapéord 5len here26.73 km76%total35 km
- Nchiord 3len here20.68 km100%total21 km
- chiord 3len here18.58 km100%total19 km
- Pankéord 3len here16.57 km100%total17 km
- Nkwéord 2len here14.82 km77%total19 km
- Njaord 1len here13.21 km100%total13 km
34 more river segmentssorted by Strahler order + length
- Manounord 2len here9.18 km100%total9 km
- Ngouord 5len here8.82 km29%total31 km
- Ngou'ongouoord 1len here8.68 km100%total9 km
- Mazamord 2len here8.54 km100%total9 km
- Momengueord 2len here7.24 km100%total7 km
- Mbou'reord 1len here7.18 km100%total7 km
- Maalapord 1len here6.72 km100%total7 km
- Vuumbwomord 1len here5.45 km89%total6 km
- mon nounord 2len here4.91 km100%total5 km
- Moniord 3len here3.99 km100%total4 km
- Panzouord 3len here3.84 km100%total4 km
- Chamord 1len here3.84 km99%total4 km
- Mfemnyamord 1len here3.26 km100%total3 km
- Nkouloukéord 1len here3.21 km100%total3 km
- Nkongord 5len here3.16 km19%total17 km
- Gonganord 2len here3.06 km91%total3 km
- Manouéraord 1len here2.89 km90%total3 km
- Kenaord 1len here2.83 km97%total3 km
- Nsouènord 5len here2.70 km53%total5 km
- Bouomord 5len here2.51 km52%total5 km
- Makénénéord 5len here1.95 km9%total21 km
- Nkebouetord 1len here1.91 km78%total2 km
- Moudomord 1len here1.44 km100%total1 km
- Tankouopord 1len here1.34 km100%total1 km
- Kimord 5len here0.76 km0%total233 km
- Poun-Pounord 1len here0.69 km100%total1 km
- NGEord 6len here0.57 km1%total44 km
- Mbaboord 1len here0.54 km24%total2 km
- Mifi Nordord 4len here0.43 km5%total8 km
- Nkoutouopord 2len here0.34 km4%total8 km
- Mboméord 5len here0.31 km4%total7 km
- Makamord 1len here0.30 km3%total9 km
- Sompkouéord 1len here≈ tangenttotal6 km
- Changoumord 5len here≈ tangenttotal7 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
1hab/km²
Night light
0,0nW
Built-up
49,1%
Pesticides
1,9kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)