Ontologia

District · COG

Mayama

Republic of the Congo

AwTropical, savannah(100 %)

Species observed

384

Observations

2 190

Area

7 407km²

Ecological tissue

Sample of 23 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 Mayama : 19 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 20 interactions GloBI sur 4 types (connectance 7.9%, filtre Serrano α=0.2). 4 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
23
Interactions affichées
20
Connectance
0.079
Patrimoniales
2
Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Species present

384 distinct species · 2 190 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

2 190 obs · 29 cellules
Obs. / cellule
≥ 1 648
41–1 647
7–40
3–6
< 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 758mm

Warmest m°

29,2°C

Coldest m°

18,2°C

Elevation: 541 m on average (min 306 m, max 757 m)

Bioclimatic detailsExpert
Annual mean temp.
23,9°C
Annual rain
1 758mm
Warmest month
29,2°C
Coldest month
18,2°C
Mean alt.
541m
Min
306m
Max
757m
Std. dev.
107m
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

5,2

Org. C

29,9g/kg

Clay

28,1%

Sand

53,5%

Silt

18,4%

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

Dominant lithology: suGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,2
Org. C
38,0g/kg
Clay
27,4%
Sand
53,9%
Silt
18,6%
5–15 cm
pH H₂O
5,2
Org. C
30,4g/kg
Clay
27,6%
Sand
54,0%
Silt
18,4%
15–30 cm
pH H₂O
5,2
Org. C
21,4g/kg
Clay
29,4%
Sand
52,6%
Silt
18,0%

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

Land cover

Forest15.3%
Crops5.4%
Built-up0.0%
Bare soil0.1%
Other (grassland, water…)79.2%

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

Hydrology24 basins · 1 lakes · 5 rivers

Hydrology metrics for this exact territory

Stream length here

475,7km

Lake surface here

0,15km²

Basins crossed

24

Max stream order

5

Max drainage

3 634 946km²

Discharge in basins

1 852,0m³/s

Mean precip.

1 720mm/an

Mean T°

24,1°C

Moisture idx

0,06

Mean runoff

873mm/an

Mean elev. (basins)

540m

Watersheds crossing here

15 more basins

Lakes (1, top by area)

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

Human pressure

Pop. density

0hab/km²

Night light

0,0nW

Built-up

0,3%

Pesticides

0,0kg/km²

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

Protected areas2

IUCN IV · 2

Léfini

IUCN IV

Wildlife Reserve · 2008

3 498 km²

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