Ontologia

Local Authority · NGA

Shendam

Nigeria

AwTropical, savannah(100 %)

Species observed

242

Observations

3 465

Area

2 491,1km²

Ecological tissue

Sample of 23 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 Shendam : 19 espèces reliées par 17 interactions GloBI sur 3 types (connectance 6.7%, filtre Serrano α=0.2). 4 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
23
Interactions affichées
17
Connectance
0.067
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

242 distinct species · 3 465 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

3 465 obs · 43 cellules
Obs. / cellule
≥ 266
152–265
100–151
78–99
< 78

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

Climate

Mean T°

28,1°C

Annual rain

899mm

Warmest m°

37,9°C

Coldest m°

21,8°C

Elevation: 185 m on average (min 100 m, max 375 m)

Bioclimatic detailsExpert
Annual mean temp.
28,1°C
Annual rain
899mm
Warmest month
37,9°C
Coldest month
21,8°C
Mean alt.
185m
Min
100m
Max
375m
Std. dev.
44m
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

10,6g/kg

Clay

19,6%

Sand

59,9%

Silt

20,5%

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

Dominant lithology: ssGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,0
Org. C
15,5g/kg
Clay
17,5%
Sand
61,5%
Silt
21,1%
5–15 cm
pH H₂O
6,0
Org. C
8,8g/kg
Clay
17,9%
Sand
61,1%
Silt
21,0%
15–30 cm
pH H₂O
5,9
Org. C
7,6g/kg
Clay
23,5%
Sand
57,1%
Silt
19,4%

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

Land cover

Forest8.4%
Crops40.3%
Built-up0.6%
Bare soil0.5%
Other (grassland, water…)50.2%

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

Human pressure

Pop. density

1hab/km²

Night light

0,0nW

Built-up

58,6%

Pesticides

43,1kg/km²

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

Protected areas2

IUCN Not Reported · 2

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