Ontologia

Subdivision · CIV

Arrah

Côte d'Ivoire

AwTropical, savannah(100 %)

Species observed

96

Observations

153

Area

1 545,3km²

Ecological tissue

Sample of 4 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 Arrah : 4 espèces reliées par 2 interactions GloBI sur 2 types (connectance 33.3%, filtre Serrano α=0.2).

Espèces affichées
4
Interactions affichées
2
Connectance
0.333
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

96 distinct species · 153 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

153 obs · 15 cellules
Obs. / cellule
≥ 85
27–84
4–26
2–3
< 2

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

Climate

Mean T°

26,3°C

Annual rain

1 130mm

Warmest m°

33,8°C

Coldest m°

21,8°C

Elevation: 163 m on average (min 110 m, max 255 m)

Bioclimatic detailsExpert
Annual mean temp.
26,3°C
Annual rain
1 130mm
Warmest month
33,8°C
Coldest month
21,8°C
Mean alt.
163m
Min
110m
Max
255m
Std. dev.
24m
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

5,9

Org. C

27,2g/kg

Clay

26,2%

Sand

47,3%

Silt

26,5%

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

Dominant lithology: mtGLiMaggregated to Moronou

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,0
Org. C
39,7g/kg
Clay
24,3%
Sand
48,5%
Silt
27,2%
5–15 cm
pH H₂O
6,0
Org. C
24,3g/kg
Clay
25,5%
Sand
47,6%
Silt
26,8%
15–30 cm
pH H₂O
5,9
Org. C
17,6g/kg
Clay
28,8%
Sand
45,8%
Silt
25,5%

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

Land cover

Forest51.6%
Crops2.3%
Built-up0.3%
Bare soil0.0%
Other (grassland, water…)45.8%

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

Hydrology7 basins · 0 lakes · 24 rivers

Hydrology metrics for this exact territory

Stream length here

318,4km

Basins crossed

7

Max stream order

6

Max drainage

69 788km²

Discharge in basins

286,8m³/s

Mean precip.

1 197mm/an

Mean T°

26,7°C

Moisture idx

-0,30

Mean runoff

163mm/an

Mean elev. (basins)

171m

Watersheds crossing here

Rivers / streams (24, ord ≥ 4)

12 more river segments

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

Human pressure

Pop. density

0hab/km²

Night light

0,2nW

Built-up

27,1%

Pesticides

0,1kg/km²

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

Protected areas2

IUCN Not Reported · 2

Arrah

IUCN Not Reported

Classified Forest

264 km²

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