Ontologia

Municpality|City Council · AGO

Tchicala-Tcholoanga

Angola

CwbTemperate, dry winter, warm summer(91 %)

Species observed

137

Observations

214

Area

4 214,7km²

Ecological tissue

Sample of 33 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).

RègnesAnimalPlanteChampignonBacterie
RelationsPredationParasitismeSymbiosePollinisation
StatutEn dangerVulnérableProtégéeEndémique

Indicateurs du tissu écologique

Tissu écologique de Tchicala-Tcholoanga : 28 espèces reliées par 27 interactions GloBI sur 4 types (connectance 4.8%, filtre Serrano α=0.2). 6 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
34
Interactions affichées
27
Connectance
0.048
Patrimoniales
0
Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Species present

137 distinct species · 214 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

214 obs · 26 cellules
Obs. / cellule
≥ 57
14–56
9–13
6–8
< 6

Source : GBIF — observations agrégées par hexagones 0.027° × 0.027° (~22km), filtre précision coordonnée < 10 km. Fond carte : OpenFreeMap · © OpenStreetMap.

Climate

Mean T°

18,6°C

Annual rain

1 252mm

Warmest m°

28,9°C

Coldest m°

9,3°C

Elevation: 1 672 m on average (min 1 420 m, max 1 852 m)

Bioclimatic detailsExpert
Annual mean temp.
18,6°C
Annual rain
1 252mm
Warmest month
28,9°C
Coldest month
9,3°C
Mean alt.
1 672m
Min
1 420m
Max
1 852m
Std. dev.
90m
Köppen-Geiger (dominant)
CwbTemperate, dry winter, warm summer(91 %)Temperate

CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)

Soil & lithology

pH H₂O

5,7

Org. C

12,7g/kg

Clay

23,4%

Sand

68,0%

Silt

8,6%

Average over 0-30 cm. Per-depth details in expert panel.

Dominant lithology: mtGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,8
Org. C
17,1g/kg
Clay
21,7%
Sand
69,6%
Silt
8,7%
5–15 cm
pH H₂O
5,7
Org. C
13,1g/kg
Clay
22,5%
Sand
68,8%
Silt
8,7%
15–30 cm
pH H₂O
5,6
Org. C
7,9g/kg
Clay
26,1%
Sand
65,5%
Silt
8,5%

SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)

Land cover

Forest15.6%
Crops26.1%
Built-up0.2%
Bare soil1.0%
Other (grassland, water…)57.2%

Copernicus Global Land Cover 100m (Buchhorn et al. 2020)

Hydrology8 basins · 4 lakes · 10 rivers

Hydrology metrics for this exact territory

Stream length here

219,9km

Lake surface here

9,99km²

Basins crossed

8

Max stream order

4

Max drainage

4 862km²

Discharge in basins

51,4m³/s

Mean precip.

1 266mm/an

Mean T°

19,0°C

Moisture idx

-0,22

Mean runoff

396mm/an

Mean elev. (basins)

1 672m

Watersheds crossing here

Lakes (4, top by area)

Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10

Human pressure

Pop. density

0hab/km²

Night light

0,0nW

Built-up

15,8%

Pesticides

0,0kg/km²

GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)

Sub-administrations4