Ontologia

Department · CMR

Lom et Djerem

Cameroon

AwTropical, savannah(100 %)

Species observed

1 959

Observations

10 759

Area

25 931,9km²

Ecological tissue

Sample of 7 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 Lom et Djerem : 7 espèces reliées par 5 interactions GloBI sur 2 types (connectance 23.8%, filtre Serrano α=0.2).

Espèces affichées
7
Interactions affichées
5
Connectance
0.238
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

1 959 distinct species · 10 759 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

10 759 obs · 245 cellules
Obs. / cellule
≥ 518
99–517
19–98
6–18
< 6

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

Climate

Mean T°

23,6°C

Annual rain

1 720mm

Warmest m°

32,7°C

Coldest m°

19,0°C

Elevation: 757 m on average (min 590 m, max 1 022 m)

Bioclimatic detailsExpert
Annual mean temp.
23,6°C
Annual rain
1 720mm
Warmest month
32,7°C
Coldest month
19,0°C
Mean alt.
757m
Min
590m
Max
1 022m
Std. dev.
92m
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

24,1g/kg

Clay

34,4%

Sand

46,9%

Silt

18,7%

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

Dominant lithology: mtGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,5
Org. C
33,7g/kg
Clay
31,8%
Sand
48,9%
Silt
19,3%
5–15 cm
pH H₂O
5,4
Org. C
24,2g/kg
Clay
32,9%
Sand
47,9%
Silt
19,2%
15–30 cm
pH H₂O
5,4
Org. C
14,2g/kg
Clay
38,6%
Sand
43,8%
Silt
17,7%

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

Land cover

Forest72.3%
Crops0.2%
Built-up0.1%
Bare soil0.0%
Other (grassland, water…)27.4%

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

Hydrology59 basins · 0 lakes · 15 rivers

Hydrology metrics for this exact territory

Stream length here

1 672,1km

Basins crossed

59

Max stream order

7

Max drainage

60 531km²

Discharge in basins

4 901,3m³/s

Mean precip.

1 539mm/an

Mean T°

23,5°C

Moisture idx

-0,07

Mean runoff

373mm/an

Mean elev. (basins)

770m

Watersheds crossing here

50 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

8,8%

Pesticides

1,4kg/km²

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

Protected areas3

IUCN II · 2IUCN Not Reported · 1

Deng Deng

IUCN II

National Park · 2010

687 km²

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

Sub-administrations8