Ontologia

Commune · KEN

Marama Central

Kenya

AfTropical, rainforest(100 %)

Species observed

138

Observations

759

Area

63,5km²

Ecological tissue

Sample of 27 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 Marama Central : 25 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 19 interactions GloBI sur 3 types (connectance 5.4%, filtre Serrano α=0.2). 2 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
27
Interactions affichées
19
Connectance
0.054
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

138 distinct species · 759 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

759 obs · 3 cellules
Obs. / cellule
≥ 609
609–608
609–608
97–608
< 97

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

Climate

Mean T°

21,5°C

Annual rain

1 632mm

Warmest m°

28,6°C

Coldest m°

16,0°C

Elevation: 1 332 m on average (min 1 273 m, max 1 398 m)

Bioclimatic detailsExpert
Annual mean temp.
21,5°C
Annual rain
1 632mm
Warmest month
28,6°C
Coldest month
16,0°C
Mean alt.
1 332m
Min
1 273m
Max
1 398m
Std. dev.
29m
Köppen-Geiger (dominant)
AfTropical, rainforest(100 %)Tropical

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

Soil & lithology

pH H₂O

5,7

Org. C

28,2g/kg

Clay

45,9%

Sand

29,8%

Silt

24,3%

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

Dominant lithology: mtGLiMaggregated to Butere

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,7
Org. C
42,4g/kg
Clay
44,4%
Sand
31,0%
Silt
24,7%
5–15 cm
pH H₂O
5,7
Org. C
24,2g/kg
Clay
45,7%
Sand
29,8%
Silt
24,5%
15–30 cm
pH H₂O
5,7
Org. C
17,9g/kg
Clay
47,7%
Sand
28,6%
Silt
23,6%

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

Land cover

Forest18.0%
Crops35.2%
Built-up4.0%
Bare soil2.0%
Other (grassland, water…)40.9%

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

Hydrology2 basins · 0 lakes · 3 rivers

Hydrology metrics for this exact territory

Stream length here

14,7km

Basins crossed

2

Max stream order

3

Max drainage

12 736km²

Discharge in basins

2,4m³/s

Mean precip.

1 792mm/an

Mean T°

20,7°C

Moisture idx

-0,04

Mean runoff

472mm/an

Mean elev. (basins)

1 474m

Watersheds crossing here

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

Human pressure

Pop. density

7hab/km²

Night light

0,4nW

Built-up

394,5%

Pesticides

2,0kg/km²

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