Ontologia

District · COG

Zanaga

Republic of the Congo

AwTropical, savannah(100 %)

Species observed

95

Observations

178

Area

5 913,1km²

Ecological tissue

Sample of 14 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 Zanaga : 13 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 8 interactions GloBI sur 2 types (connectance 8.8%, filtre Serrano α=0.2). 1 bulle taxonomique (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
14
Interactions affichées
8
Connectance
0.088
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

95 distinct species · 178 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

178 obs · 32 cellules
Obs. / cellule
≥ 46
18–45
4–17
2–3
< 2

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

Climate

Mean T°

23,2°C

Annual rain

1 919mm

Warmest m°

28,8°C

Coldest m°

17,9°C

Elevation: 592 m on average (min 446 m, max 774 m)

Bioclimatic detailsExpert
Annual mean temp.
23,2°C
Annual rain
1 919mm
Warmest month
28,8°C
Coldest month
17,9°C
Mean alt.
592m
Min
446m
Max
774m
Std. dev.
55m
Köppen-Geiger (dominant)
AwTropical, savannah(100 %)Tropical

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

Soil & lithology

pH H₂O

4,9

Org. C

30,5g/kg

Clay

37,2%

Sand

43,1%

Silt

19,7%

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

Dominant lithology: mtGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
4,9
Org. C
39,4g/kg
Clay
36,6%
Sand
43,6%
Silt
19,9%
5–15 cm
pH H₂O
4,9
Org. C
29,5g/kg
Clay
36,6%
Sand
43,6%
Silt
19,8%
15–30 cm
pH H₂O
4,9
Org. C
22,6g/kg
Clay
38,5%
Sand
42,2%
Silt
19,3%

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

Land cover

Forest71.8%
Crops2.6%
Built-up0.0%
Bare soil0.1%
Other (grassland, water…)25.5%

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

Hydrology19 basins · 0 lakes · 2 rivers

Hydrology metrics for this exact territory

Stream length here

108,7km

Basins crossed

19

Max stream order

5

Max drainage

4 958km²

Discharge in basins

212,5m³/s

Mean precip.

1 843mm/an

Mean T°

23,2°C

Moisture idx

0,17

Mean runoff

765mm/an

Mean elev. (basins)

588m

Watersheds crossing here

10 more basins

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

Human pressure

Pop. density

0hab/km²

Built-up

1,1%

Pesticides

1,3kg/km²

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

Protected areas2

IUCN II · 2

WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN