Ontologia

Region · cog

Niari

Republic of the Congo

AwTropical, savannah(100 %)

Species observed

670

Observations

2 080

Area

25 532,5km²

Ecological tissue

Not enough documented interactions to build a meaningful graph for this territory.

Species present

670 distinct species · 2 080 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

2 080 obs · 200 cellules
Obs. / cellule
≥ 146
25–145
5–24
3–4
< 3

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

Climate

Mean T°

23,9°C

Annual rain

1 695mm

Warmest m°

29,6°C

Coldest m°

18,4°C

Elevation: 371 m on average (min 64 m, max 857 m)

Bioclimatic detailsExpert
Annual mean temp.
23,9°C
Annual rain
1 695mm
Warmest month
29,6°C
Coldest month
18,4°C
Mean alt.
371m
Min
64m
Max
857m
Std. dev.
185m
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

5,0

Org. C

30,6g/kg

Clay

39,1%

Sand

38,7%

Silt

22,2%

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

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,0
Org. C
41,3g/kg
Clay
38,3%
Sand
39,3%
Silt
22,4%
5–15 cm
pH H₂O
5,0
Org. C
29,3g/kg
Clay
38,7%
Sand
39,0%
Silt
22,4%
15–30 cm
pH H₂O
5,0
Org. C
21,1g/kg
Clay
40,4%
Sand
37,7%
Silt
22,0%

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

Land cover

Forest68.0%
Crops1.6%
Built-up0.1%
Bare soil0.1%
Other (grassland, water…)30.4%

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

Hydrology73 basins · 7 lakes · 26 rivers

Hydrology metrics for this exact territory

Stream length here

1 755,2km

Lake surface here

3,46km²

Basins crossed

73

Max stream order

7

Max drainage

54 037km²

Discharge in basins

7 107,1m³/s

Mean precip.

1 537mm/an

Mean T°

24,1°C

Moisture idx

-0,02

Mean runoff

527mm/an

Mean elev. (basins)

385m

Watersheds crossing here

64 more basins

Rivers / streams (26, ord ≥ 4)

14 more river segments

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

Human pressure

Pop. density

0hab/km²

Night light

0,0nW

Built-up

4,9%

Pesticides

0,3kg/km²

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

Protected areas8

IUCN IV · 3IUCN Not Reported · 2IUCN II · 1IUCN Not Applicable · 1IUCN VI · 1

Loubetsi-Nyanga

IUCN Not Reported

Wetland of International Importance (Ramsar Site) · 2015

728 km²

Vallée du Niari

IUCN Not Reported

Wetland of International Importance (Ramsar Site) · 2012

599 km²

Tsoulou

IUCN IV

Wildlife Reserve · 1956

288 km²

Complete list

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

Sub-administrations6