Ontologia

Local Authority · NGA

Maiyama

Nigeria

AwTropical, savannah(81 %)

Species observed

92

Observations

450

Area

1 476,8km²

Ecological tissue

Sample of 11 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 Maiyama : 8 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 11 interactions GloBI sur 3 types (connectance 12.1%, filtre Serrano α=0.2). 6 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
14
Interactions affichées
11
Connectance
0.121
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

92 distinct species · 450 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

450 obs · 19 cellules
Obs. / cellule
≥ 137
52–136
30–51
18–29
< 18

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

Climate

Mean T°

28,7°C

Annual rain

881mm

Warmest m°

39,9°C

Coldest m°

18,5°C

Elevation: 228 m on average (min 166 m, max 292 m)

Bioclimatic detailsExpert
Annual mean temp.
28,7°C
Annual rain
881mm
Warmest month
39,9°C
Coldest month
18,5°C
Mean alt.
228m
Min
166m
Max
292m
Std. dev.
25m
Köppen-Geiger (dominant)
AwTropical, savannah(81 %)Tropical

CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)

Soil & lithology

pH H₂O

6,5

Org. C

7,8g/kg

Clay

22,5%

Sand

52,6%

Silt

24,9%

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

Dominant lithology: ssGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,5
Org. C
10,2g/kg
Clay
20,4%
Sand
54,0%
Silt
25,6%
5–15 cm
pH H₂O
6,5
Org. C
8,0g/kg
Clay
21,8%
Sand
53,1%
Silt
25,0%
15–30 cm
pH H₂O
6,5
Org. C
5,3g/kg
Clay
25,3%
Sand
50,6%
Silt
24,1%

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

Land cover

Forest6.4%
Crops42.4%
Built-up0.4%
Bare soil1.7%
Other (grassland, water…)49.1%

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

Hydrology7 basins · 1 lakes · 4 rivers

Hydrology metrics for this exact territory

Stream length here

114,2km

Lake surface here

0,18km²

Basins crossed

7

Max stream order

5

Max drainage

17 403km²

Discharge in basins

42,2m³/s

Mean precip.

877mm/an

Mean T°

27,8°C

Moisture idx

-0,56

Mean runoff

139mm/an

Mean elev. (basins)

255m

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

Human pressure

Pop. density

1hab/km²

Night light

0,0nW

Built-up

40,5%

Pesticides

33,8kg/km²

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

Protected areas3

IUCN Not Reported · 3

Gulbin Ka

IUCN Not Reported

Forest Reserve

2 014 km²

Giru

IUCN Not Reported

Forest Reserve

159 km²

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