Ontologia

Municpality|City Council · AGO

Calai

Angola

BShArid, steppe, hot(100 %)

Species observed

833

Observations

16 141

Area

7 942,3km²

Ecological tissue

Sample of 12 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 Calai : 11 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 8 interactions GloBI sur 3 types (connectance 12.1%, filtre Serrano α=0.2). 1 bulle taxonomique (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
12
Interactions affichées
8
Connectance
0.121
Patrimoniales
1
Plus dense que (national)0 %(top 100%)

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

Species present

833 distinct species · 16 141 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

16 141 obs · 41 cellules
Obs. / cellule
≥ 11 312
51–11 311
15–50
6–14
< 6

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

Climate

Mean T°

22,5°C

Annual rain

625mm

Warmest m°

33,5°C

Coldest m°

10,5°C

Elevation: 1 137 m on average (min 1 060 m, max 1 184 m)

Bioclimatic detailsExpert
Annual mean temp.
22,5°C
Annual rain
625mm
Warmest month
33,5°C
Coldest month
10,5°C
Mean alt.
1 137m
Min
1 060m
Max
1 184m
Std. dev.
23m
Köppen-Geiger (dominant)
BShArid, steppe, hot(100 %)Arid

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

Soil & lithology

pH H₂O

6,5

Org. C

5,3g/kg

Clay

10,0%

Sand

82,3%

Silt

7,7%

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

Dominant lithology: suGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,6
Org. C
7,1g/kg
Clay
10,1%
Sand
81,8%
Silt
8,1%
5–15 cm
pH H₂O
6,6
Org. C
4,8g/kg
Clay
9,2%
Sand
83,2%
Silt
7,6%
15–30 cm
pH H₂O
6,5
Org. C
3,9g/kg
Clay
10,6%
Sand
81,9%
Silt
7,5%

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

Land cover

Forest20.8%
Crops1.4%
Built-up0.0%
Bare soil0.2%
Other (grassland, water…)77.6%

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

Hydrology39 basins · 0 lakes · 8 rivers

Hydrology metrics for this exact territory

Stream length here

768,6km

Basins crossed

39

Max stream order

6

Max drainage

107 643km²

Discharge in basins

960,7m³/s

Mean precip.

607mm/an

Mean T°

22,1°C

Moisture idx

-0,68

Mean runoff

31mm/an

Mean elev. (basins)

1 143m

Watersheds crossing here

30 more basins

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

Human pressure

Pop. density

0hab/km²

Night light

0,0nW

Built-up

0,8%

Pesticides

0,0kg/km²

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

Sub-administrations2