Ontologia

County · ken

Nyandarua

Kenya

CsbTemperate, dry summer, warm summer(62 %)

Species observed

1 871

Observations

51 144

Area

3 266,6km²

Ecological tissue

Sample of 20 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 Nyandarua : 17 espèces reliées par 21 interactions GloBI sur 3 types (connectance 11.1%, filtre Serrano α=0.2). 3 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
20
Interactions affichées
21
Connectance
0.111
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

1 871 distinct species · 51 144 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

51 144 obs · 80 cellules
Obs. / cellule
≥ 12 447
1 384–12 446
435–1 383
189–434
< 189

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

Climate

Mean T°

14,0°C

Annual rain

1 468mm

Warmest m°

21,4°C

Coldest m°

7,7°C

Elevation: 2 532 m on average (min 1 961 m, max 3 825 m)

Bioclimatic detailsExpert
Annual mean temp.
14,0°C
Annual rain
1 468mm
Warmest month
21,4°C
Coldest month
7,7°C
Mean alt.
2 532m
Min
1 961m
Max
3 825m
Std. dev.
302m
Köppen-Geiger (dominant)
CsbTemperate, dry summer, warm summer(62 %)Temperate

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

42,0g/kg

Clay

33,8%

Sand

34,9%

Silt

31,3%

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

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,9
Org. C
58,0g/kg
Clay
33,5%
Sand
35,1%
Silt
31,4%
5–15 cm
pH H₂O
5,9
Org. C
37,2g/kg
Clay
33,3%
Sand
35,2%
Silt
31,5%
15–30 cm
pH H₂O
5,9
Org. C
30,9g/kg
Clay
34,4%
Sand
34,5%
Silt
31,1%

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

Land cover

Forest28.0%
Crops31.6%
Built-up1.9%
Bare soil1.9%
Other (grassland, water…)36.6%

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

Hydrology19 basins · 5 lakes · 13 rivers

Hydrology metrics for this exact territory

Stream length here

267,6km

Lake surface here

7,33km²

Basins crossed

19

Max stream order

4

Max drainage

3 657km²

Discharge in basins

16,2m³/s

Mean precip.

956mm/an

Mean T°

15,1°C

Moisture idx

-0,37

Mean runoff

245mm/an

Mean elev. (basins)

2 220m

Watersheds crossing here

10 more basins

Lakes (5, top by area)

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

Human pressure

Pop. density

2hab/km²

Night light

0,2nW

Built-up

185,5%

Pesticides

1,1kg/km²

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

Protected areas13

IUCN Not Reported · 12IUCN II · 1

Aberdares

IUCN Not Reported

Forest Reserve · 1943

1 029 km²

Aberdare

IUCN II

National Park · 1950

772 km²

Bahati

IUCN Not Reported

Forest Reserve · 1932

101 km²

Rumuruti

IUCN Not Reported

Forest Reserve · 1932

65 km²

Kipipiri

IUCN Not Reported

Forest Reserve · 1956

51 km²

Complete list

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

Sub-administrations8