Ontologia

HydroBASINS lev08 watershed · #1081170280

Bassin de Ndarugu

A watershed (drainage basin) is not a body of water — it is the land area where rainfall converges towards a single river that eventually reaches the sea (or an endorheic basin). Boundaries follow ridgelines.

Crosses 6 administrative regions : Gatundu North, Gatundu South, Juja, Kinangop, Lari +1

Pfafstetter: 11732902

Sub-basin area

303,7km²

Upstream area

303,7km²

Discharge

2,43m³/s

Mean elev.

1 832m

Administrative coverage

Hydrographic chain

▼ Drains into

Bassin de Athi River1702 km²

▲ Receives from 0 basins

Source / headwater (no upstream basin)

6 dept-equivalent regions (GADM L2)

1 intersecting protected areas

Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.

Species present

540 distinct species · 3 176 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

3 176 obs · 8 cellules
Obs. / cellule
≥ 1 404
1 404–1 403
454–1 403
256–453
< 256

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

Ecological tissue

Sample of 14 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 Bassin de Ndarugu : 13 espèces reliées par 10 interactions GloBI sur 3 types (connectance 11.0%, filtre Serrano α=0.2). 1 bulle taxonomique (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
14
Interactions affichées
10
Connectance
0.110
Patrimoniales
0
Plus dense que (national)0 %(top 100%)

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

Hydroclimate (BasinATLAS lev08)

Mean T°

17,5°C

Annual rain

1 210mm

Moisture idx (CMI)

-0,23

Runoff

225mm/an

PET

1 603mm

AET

935mm

Mean slope

4,1°

Water table

126cm

Forest

69%

Crops

5%

Urban

39%

Protected

20%

HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)