Ontologia

Local Authority · NGA

Rafi

Nigeria

AwTropical, savannah(100 %)

Species observed

114

Observations

380

Area

3 494,7km²

Ecological tissue

Sample of 25 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 Rafi : 22 espèces reliées par 22 interactions GloBI sur 4 types (connectance 7.3%, filtre Serrano α=0.2). 3 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
25
Interactions affichées
22
Connectance
0.073
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

114 distinct species · 380 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

380 obs · 29 cellules
Obs. / cellule
≥ 63
43–62
11–42
3–10
< 3

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

Climate

Mean T°

27,7°C

Annual rain

1 209mm

Warmest m°

37,8°C

Coldest m°

20,7°C

Elevation: 283 m on average (min 122 m, max 505 m)

Bioclimatic detailsExpert
Annual mean temp.
27,7°C
Annual rain
1 209mm
Warmest month
37,8°C
Coldest month
20,7°C
Mean alt.
283m
Min
122m
Max
505m
Std. dev.
76m
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

6,0

Org. C

9,9g/kg

Clay

16,3%

Sand

62,5%

Silt

21,1%

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

Dominant lithology: mtGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,1
Org. C
13,9g/kg
Clay
14,7%
Sand
64,0%
Silt
21,4%
5–15 cm
pH H₂O
6,0
Org. C
9,4g/kg
Clay
14,3%
Sand
64,3%
Silt
21,5%
15–30 cm
pH H₂O
6,0
Org. C
6,3g/kg
Clay
20,1%
Sand
59,4%
Silt
20,6%

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

Land cover

Forest11.2%
Crops35.7%
Built-up0.3%
Bare soil0.7%
Other (grassland, water…)52.0%

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

Hydrology20 basins · 0 lakes · 5 rivers

Hydrology metrics for this exact territory

Stream length here

345,0km

Basins crossed

20

Max stream order

6

Max drainage

42 403km²

Discharge in basins

775,4m³/s

Mean precip.

1 205mm/an

Mean T°

27,1°C

Moisture idx

-0,36

Mean runoff

299mm/an

Mean elev. (basins)

290m

Watersheds crossing here

11 more basins

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

Human pressure

Pop. density

1hab/km²

Night light

0,0nW

Built-up

33,6%

Pesticides

39,6kg/km²

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

Protected areas4

IUCN Not Reported · 4

Alawa

IUCN Not Reported

National Park · 2020

670 km²

Alawa

IUCN Not Reported

Forest Reserve

311 km²

Mando

IUCN Not Reported

Forest Reserve

152 km²

Kwongoma

IUCN Not Reported

Forest Reserve

29 km²

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