Ontologia

Commune · CMR

Obala

Cameroon

AwTropical, savannah(100 %)

Species observed

351

Observations

682

Area

464,3km²

Ecological tissue

Sample of 39 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 Obala : 34 espèces reliées par 33 interactions GloBI sur 3 types (connectance 4.5%, filtre Serrano α=0.2). 5 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
39
Interactions affichées
33
Connectance
0.044
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

351 distinct species · 682 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

682 obs · 15 cellules
Obs. / cellule
≥ 345
109–344
21–108
14–20
< 14

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 358mm

Warmest m°

31,1°C

Coldest m°

20,4°C

Elevation: 586 m on average (min 468 m, max 781 m)

Bioclimatic detailsExpert
Annual mean temp.
24,0°C
Annual rain
1 358mm
Warmest month
31,1°C
Coldest month
20,4°C
Mean alt.
586m
Min
468m
Max
781m
Std. dev.
47m
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

5,4

Org. C

20,7g/kg

Clay

29,0%

Sand

57,6%

Silt

13,4%

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

Dominant lithology: mtGLiMaggregated to Lekié

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,5
Org. C
33,1g/kg
Clay
27,0%
Sand
59,2%
Silt
13,8%
5–15 cm
pH H₂O
5,4
Org. C
20,2g/kg
Clay
27,7%
Sand
58,4%
Silt
13,9%
15–30 cm
pH H₂O
5,4
Org. C
8,8g/kg
Clay
32,3%
Sand
55,1%
Silt
12,6%

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

Land cover

Forest60.4%
Crops1.6%
Built-up1.4%
Bare soil0.1%
Other (grassland, water…)36.5%

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

Hydrology2 basins · 0 lakes · 19 rivers

Hydrology metrics for this exact territory

Stream length here

118,6km

Basins crossed

2

Max stream order

4

Max drainage

1 280km²

Discharge in basins

6,8m³/s

Mean precip.

1 650mm/an

Mean T°

24,4°C

Moisture idx

0,06

Mean runoff

478mm/an

Mean elev. (basins)

606m

Watersheds crossing here

Rivers / streams (19, ord ≥ 4)

7 more river segments

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

Human pressure

Pop. density

1hab/km²

Night light

0,2nW

Built-up

144,8%

Pesticides

1,5kg/km²

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