Ontologia

Local Authority · NGA

Katcha

Nigeria

AwTropical, savannah(100 %)

Species observed

214

Observations

933

Area

1 725,6km²

Ecological tissue

Sample of 13 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 Katcha : 11 espèces reliées par 10 interactions GloBI sur 2 types (connectance 12.8%, filtre Serrano α=0.2). 2 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
13
Interactions affichées
10
Connectance
0.128
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

214 distinct species · 933 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

933 obs · 24 cellules
Obs. / cellule
≥ 137
87–136
64–86
27–63
< 27

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

Climate

Mean T°

28,6°C

Annual rain

1 188mm

Warmest m°

38,1°C

Coldest m°

21,2°C

Elevation: 102 m on average (min 51 m, max 211 m)

Bioclimatic detailsExpert
Annual mean temp.
28,6°C
Annual rain
1 188mm
Warmest month
38,1°C
Coldest month
21,2°C
Mean alt.
102m
Min
51m
Max
211m
Std. dev.
34m
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

9,0g/kg

Clay

16,2%

Sand

64,8%

Silt

19,0%

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

Dominant lithology: mtGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,0
Org. C
13,6g/kg
Clay
15,4%
Sand
65,4%
Silt
19,2%
5–15 cm
pH H₂O
5,9
Org. C
7,4g/kg
Clay
14,7%
Sand
65,9%
Silt
19,4%
15–30 cm
pH H₂O
5,9
Org. C
6,1g/kg
Clay
18,5%
Sand
63,1%
Silt
18,3%

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

Land cover

Forest8.8%
Crops38.8%
Built-up0.3%
Bare soil1.4%
Other (grassland, water…)50.7%

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

Hydrology9 basins · 10 lakes · 3 rivers

Hydrology metrics for this exact territory

Stream length here

116,9km

Lake surface here

1,55km²

Basins crossed

9

Max stream order

8

Max drainage

1 708 574km²

Discharge in basins

2 070,2m³/s

Mean precip.

1 204mm/an

Mean T°

27,8°C

Moisture idx

-0,36

Mean runoff

400mm/an

Mean elev. (basins)

149m

Watersheds crossing here

Lakes (10, top by area)

1 more lakes

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

Human pressure

Pop. density

1hab/km²

Night light

0,0nW

Built-up

28,8%

Pesticides

43,2kg/km²

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

Protected areas5

IUCN Not Reported · 5📍 Point sites · 1

Anfani

IUCN Not Reported

Forest Reserve

63 km²

Gbagba

IUCN Not Reported

Forest Reserve

7 km²

Gubaji

IUCN Not Reported

Forest Reserve

2 km²

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