Ontologia

Division · gmb

Western

Gambia

AwTropical, savannah(99 %)

Species observed

1 792

Observations

390 535

Area

1 732,2km²

Ecological tissue

Sample of 17 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 Western : 15 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 13 interactions GloBI sur 2 types (connectance 9.6%, filtre Serrano α=0.2). 2 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
17
Interactions affichées
13
Connectance
0.096
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

1 792 distinct species · 390 535 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

390 535 obs · 51 cellules
Obs. / cellule
≥ 54 382
31 126–54 381
1 829–31 125
674–1 828
< 674

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

Climate

Mean T°

26,3°C

Annual rain

908mm

Warmest m°

32,5°C

Coldest m°

19,2°C

Elevation: 17 m on average (min -8 m, max 43 m)

Bioclimatic detailsExpert
Annual mean temp.
26,3°C
Annual rain
908mm
Warmest month
32,5°C
Coldest month
19,2°C
Mean alt.
17m
Min
-8m
Max
43m
Std. dev.
10m
Köppen-Geiger (dominant)
AwTropical, savannah(99 %)Tropical

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

Soil & lithology

pH H₂O

5,5

Org. C

25,0g/kg

Clay

23,4%

Sand

54,3%

Silt

22,2%

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

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,5
Org. C
30,2g/kg
Clay
24,2%
Sand
53,2%
Silt
22,6%
5–15 cm
pH H₂O
5,5
Org. C
21,5g/kg
Clay
22,8%
Sand
55,1%
Silt
22,1%
15–30 cm
pH H₂O
5,5
Org. C
23,4g/kg
Clay
23,3%
Sand
54,7%
Silt
22,0%

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

Land cover

Forest21.8%
Crops12.3%
Built-up2.8%
Bare soil0.7%
Other (grassland, water…)62.4%

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

Hydrology5 basins · 0 lakes · 10 rivers

Hydrology metrics for this exact territory

Stream length here

137,8km

Basins crossed

5

Max stream order

3

Max drainage

1 653km²

Discharge in basins

4,7m³/s

Mean precip.

935mm/an

Mean T°

26,3°C

Moisture idx

-0,49

Mean runoff

154mm/an

Mean elev. (basins)

20m

Watersheds crossing here

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

Human pressure

Pop. density

6hab/km²

Night light

0,9nW

Built-up

281,4%

Pesticides

21,4kg/km²

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

Protected areas10

IUCN VI · 6IUCN II · 1IUCN Not Reported · 1IUCN V · 1IUCN Ia · 1🌊 Marine · 7

Tanbi

IUCN II

National Park · 2001

76 km²

Berefet

IUCN VI

Community Protected Area · 2014

10 km²

Tanji

IUCN V

Bird Reserve · 1993

6 km²

Abuko

IUCN Ia

Nature Reserve · 1968

2 km²

Complete list

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

Sub-administrations9