Ontologia

Department · CMR

Boumba et Ngoko

Cameroon

AmTropical, monsoon(53 %)

Species observed

1 708

Observations

7 249

Area

30 793,5km²

Ecological tissue

Sample of 17 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 Boumba et Ngoko : 17 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 11 interactions GloBI sur 2 types (connectance 8.1%, filtre Serrano α=0.2).

Espèces affichées
17
Interactions affichées
11
Connectance
0.081
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

1 708 distinct species · 7 249 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

7 249 obs · 285 cellules
Obs. / cellule
≥ 335
67–334
13–66
4–12
< 4

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

Climate

Mean T°

24,0°C

Annual rain

1 611mm

Warmest m°

30,9°C

Coldest m°

20,1°C

Elevation: 521 m on average (min 332 m, max 779 m)

Bioclimatic detailsExpert
Annual mean temp.
24,0°C
Annual rain
1 611mm
Warmest month
30,9°C
Coldest month
20,1°C
Mean alt.
521m
Min
332m
Max
779m
Std. dev.
89m
Köppen-Geiger (dominant)
AmTropical, monsoon(53 %)Tropical

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

Soil & lithology

pH H₂O

5,5

Org. C

23,5g/kg

Clay

42,7%

Sand

41,6%

Silt

15,7%

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

Dominant lithology: ssGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,5
Org. C
35,6g/kg
Clay
40,2%
Sand
43,3%
Silt
16,5%
5–15 cm
pH H₂O
5,5
Org. C
21,7g/kg
Clay
41,6%
Sand
42,6%
Silt
15,9%
15–30 cm
pH H₂O
5,5
Org. C
13,2g/kg
Clay
46,3%
Sand
39,1%
Silt
14,6%

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

Land cover

Forest99.3%
Crops0.0%
Built-up0.0%
Bare soil0.0%
Other (grassland, water…)0.6%

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

Hydrology60 basins · 0 lakes · 44 rivers

Hydrology metrics for this exact territory

Stream length here

2 724,2km

Basins crossed

60

Max stream order

7

Max drainage

160 797km²

Discharge in basins

5 488,7m³/s

Mean precip.

1 589mm/an

Mean T°

24,0°C

Moisture idx

-0,06

Mean runoff

278mm/an

Mean elev. (basins)

542m

Watersheds crossing here

51 more basins

Rivers / streams (44, ord ≥ 4)

32 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

1,8%

Pesticides

1,3kg/km²

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

Protected areas8

IUCN II · 4IUCN Not Reported · 2IUCN Not Applicable · 1IUCN VI · 1

Sangha Trinational

IUCN Not Applicable

World Heritage Site (natural or mixed) · 2012

7 599 km²

Nki

IUCN II

National Park · 2005

3 132 km²

Boumba Bek

IUCN II

National Park · 2005

2 364 km²

Lobéké

IUCN II

National Park · 2001

2 155 km²

Complete list

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

Sub-administrations4