Ontologia

Commune · KEN

Kolwa Central

Kenya

AfTropical, rainforest(100 %)

Species observed

214

Observations

1 887

Area

47,9km²

Ecological tissue

Sample of 34 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 Kolwa Central : 28 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 37 interactions GloBI sur 3 types (connectance 6.6%, filtre Serrano α=0.2). 6 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
34
Interactions affichées
37
Connectance
0.066
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

214 distinct species · 1 887 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

1 887 obs · 1 cellules
Obs. / cellule
≥ 1 887
1 887–1 886
1 887–1 886
1 887–1 886
< 1 887

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

Climate

Mean T°

23,3°C

Annual rain

1 494mm

Warmest m°

28,7°C

Coldest m°

19,0°C

Elevation: 1 145 m on average (min 1 133 m, max 1 188 m)

Bioclimatic detailsExpert
Annual mean temp.
23,3°C
Annual rain
1 494mm
Warmest month
28,7°C
Coldest month
19,0°C
Mean alt.
1 145m
Min
1 133m
Max
1 188m
Std. dev.
12m
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

5,9

Org. C

27,3g/kg

Clay

38,8%

Sand

36,7%

Silt

24,5%

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

Dominant lithology: mtGLiMaggregated to Kisumu East

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,9
Org. C
41,2g/kg
Clay
37,7%
Sand
37,1%
Silt
25,2%
5–15 cm
pH H₂O
5,9
Org. C
23,9g/kg
Clay
38,9%
Sand
36,6%
Silt
24,6%
15–30 cm
pH H₂O
5,9
Org. C
16,9g/kg
Clay
39,8%
Sand
36,3%
Silt
23,8%

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

Land cover

Forest10.4%
Crops17.6%
Built-up7.1%
Bare soil1.2%
Other (grassland, water…)63.6%

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

Hydrology2 basins · 1 lakes · 2 rivers

Hydrology metrics for this exact territory

Stream length here

12,3km

Lake surface here

11,33km²

Basins crossed

2

Max stream order

3

Max drainage

8 921km²

Discharge in basins

0,7m³/s

Mean precip.

1 463mm/an

Mean T°

21,8°C

Moisture idx

-0,22

Mean runoff

432mm/an

Mean elev. (basins)

1 339m

Watersheds crossing here

Lakes (1, top by area)

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

Human pressure

Pop. density

7hab/km²

Night light

2,5nW

Built-up

711,6%

Pesticides

2,0kg/km²

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