Municpality|City Council · AGO
Cahama
Angola
Species observed
428
Observations
1 613
Area
9 923,2km²
Ecological tissue
Sample of 36 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 Cahama : 30 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 36 interactions GloBI sur 3 types (connectance 5.7%, filtre Serrano α=0.2). 6 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
428 distinct species · 1 613 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
22,2°C
Annual rain
447mm
Warmest m°
33,4°C
Coldest m°
10,8°C
Elevation: 1 190 m on average (min 885 m, max 1 313 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
6,9
Org. C
7,1g/kg
Clay
23,6%
Sand
65,0%
Silt
11,4%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: suGLiM
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 · 0 lakes · 6 rivers
Hydrology metrics for this exact territory
Stream length here
355,6km
Basins crossed
26
Max stream order
5
Max drainage
12 276km²
Discharge in basins
116,6m³/s
Mean precip.
529mm/an
Mean T°
21,5°C
Moisture idx
-0,70
Mean runoff
39mm/an
Mean elev. (basins)
1 193m
Watersheds crossing here
- Bassin de Cunenesub-area2 027,3 km²overlap1261.48 km²13%
- Bassin de Techungesub-area2 061,5 km²overlap1222.81 km²12%
- Bassin de Mucopesub-area1 345,7 km²overlap961.60 km²10%
- Bassin de Caculuvarsub-area685,6 km²overlap683.26 km²7%
- Bassin de Mucopesub-area986,1 km²overlap654.01 km²7%
- Basin #59370sub-area1 438,5 km²overlap632.04 km²6%
- Bassin de Caculuvarsub-area1 891,3 km²overlap630.96 km²6%
- Basin #46460sub-area601,7 km²overlap599.67 km²6%
- Bassin de Rio Techipasub-area981,5 km²overlap467.81 km²5%
17 more basinssorted by overlap
- Bassin de Limenasub-area1 087,9 km²overlap454.35 km²5%
- Bassin de Caculuvarsub-area390,4 km²overlap389.06 km²4%
- Basin #54870sub-area344,5 km²overlap343.38 km²3%
- Basin #55880sub-area356,9 km²overlap315.98 km²3%
- Bassin de Caculuvarsub-area192,5 km²overlap185.56 km²2%
- Basin #54980sub-area185,5 km²overlap184.87 km²2%
- Bassin de Mucopesub-area760,3 km²overlap170.16 km²2%
- Bassin de Caculuvarsub-area612,9 km²overlap157.20 km²2%
- Bassin de Caculuvarsub-area133,9 km²overlap133.43 km²1%
- Basin #56160sub-area121,2 km²overlap119.79 km²1%
- Bassin de Caculuvarsub-area119,9 km²overlap119.51 km²1%
- Basin #45060sub-area238,9 km²overlap91.88 km²1%
- Bassin de Mucopesub-area1 317,3 km²overlap81.36 km²1%
- Basin #59300sub-area363,7 km²overlap26.59 km²0%
- Bassin de Cunenesub-area871,1 km²overlap22.82 km²0%
- Bassin de Caculuvarsub-area8,4 km²overlap8.39 km²0%
- Bassin de Ungangesub-area263 km²overlap5.25 km²0%
Rivers / streams (6, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
0,0nW
Built-up
1,9%
Pesticides
0,0kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)