Ontologia

District · GMB

Niamina East

Gambia

BShArid, steppe, hot(100 %)

Species observed

453

Observations

14 441

Area

334,6km²

Ecological tissue

Sample of 29 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 Niamina East : 24 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 27 interactions GloBI sur 3 types (connectance 6.7%, filtre Serrano α=0.2). 5 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
29
Interactions affichées
27
Connectance
0.067
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

453 distinct species · 14 441 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

14 441 obs · 9 cellules
Obs. / cellule
≥ 7 413
7 413–7 412
2 237–7 412
567–2 236
< 567

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

Climate

Mean T°

28,4°C

Annual rain

775mm

Warmest m°

38,0°C

Coldest m°

18,7°C

Elevation: 13 m on average (min 1 m, max 45 m)

Bioclimatic detailsExpert
Annual mean temp.
28,4°C
Annual rain
775mm
Warmest month
38,0°C
Coldest month
18,7°C
Mean alt.
13m
Min
1m
Max
45m
Std. dev.
11m
Köppen-Geiger (dominant)
BShArid, steppe, hot(100 %)Arid

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

16,2g/kg

Clay

20,1%

Sand

61,0%

Silt

18,9%

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

Dominant lithology: ssGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,0
Org. C
18,4g/kg
Clay
18,3%
Sand
62,9%
Silt
18,8%
5–15 cm
pH H₂O
5,9
Org. C
14,5g/kg
Clay
19,2%
Sand
61,6%
Silt
19,2%
15–30 cm
pH H₂O
5,8
Org. C
15,6g/kg
Clay
22,8%
Sand
58,4%
Silt
18,8%

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

Land cover

Forest10.5%
Crops28.3%
Built-up0.3%
Bare soil0.9%
Other (grassland, water…)60.0%

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

Hydrology4 basins · 0 lakes · 2 rivers

Hydrology metrics for this exact territory

Stream length here

19,5km

Basins crossed

4

Max stream order

6

Max drainage

65 509km²

Discharge in basins

89,9m³/s

Mean precip.

706mm/an

Mean T°

27,7°C

Moisture idx

-0,66

Mean runoff

48mm/an

Mean elev. (basins)

21m

Watersheds crossing here

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

Human pressure

Pop. density

1hab/km²

Night light

0,0nW

Built-up

34,5%

Pesticides

20,5kg/km²

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

Protected areas1

IUCN II · 1

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