Ontologia

Division · gmb

North Bank

Gambia

BShArid, steppe, hot(76 %)

Species observed

1 499

Observations

55 275

Area

2 263,5km²

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 North Bank : 19 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 21 interactions GloBI sur 3 types (connectance 7.6%, filtre Serrano α=0.2). 5 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
24
Interactions affichées
21
Connectance
0.076
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

1 499 distinct species · 55 275 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

55 275 obs · 67 cellules
Obs. / cellule
≥ 15 750
980–15 749
501–979
153–500
< 153

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

Climate

Mean T°

27,0°C

Annual rain

774mm

Warmest m°

34,8°C

Coldest m°

18,4°C

Elevation: 15 m on average (min -11 m, max 43 m)

Bioclimatic detailsExpert
Annual mean temp.
27,0°C
Annual rain
774mm
Warmest month
34,8°C
Coldest month
18,4°C
Mean alt.
15m
Min
-11m
Max
43m
Std. dev.
12m
Köppen-Geiger (dominant)
BShArid, steppe, hot(76 %)Arid

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

Soil & lithology

pH H₂O

5,6

Org. C

19,0g/kg

Clay

15,9%

Sand

69,6%

Silt

14,5%

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

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,6
Org. C
22,0g/kg
Clay
15,1%
Sand
70,2%
Silt
14,7%
5–15 cm
pH H₂O
5,5
Org. C
15,9g/kg
Clay
14,8%
Sand
70,6%
Silt
14,5%
15–30 cm
pH H₂O
5,5
Org. C
19,1g/kg
Clay
17,9%
Sand
67,9%
Silt
14,2%

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

Land cover

Forest11.5%
Crops32.4%
Built-up0.5%
Bare soil2.2%
Other (grassland, water…)53.4%

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

Hydrology9 basins · 2 lakes · 12 rivers

Hydrology metrics for this exact territory

Stream length here

245,1km

Lake surface here

0,94km²

Basins crossed

9

Max stream order

6

Max drainage

72 617km²

Discharge in basins

91,8m³/s

Mean precip.

757mm/an

Mean T°

27,3°C

Moisture idx

-0,62

Mean runoff

80mm/an

Mean elev. (basins)

20m

Watersheds crossing here

Lakes (2, top by area)

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

Human pressure

Pop. density

1hab/km²

Night light

0,1nW

Built-up

47,2%

Pesticides

14,8kg/km²

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

Protected areas10

IUCN Not Reported · 4IUCN VI · 3IUCN II · 2IUCN Not Applicable · 1🌊 Marine · 7

Delta du Saloum

IUCN Not Reported

Wetland of International Importance (Ramsar Site) · 1984

3 187 km²

Delta du Saloum

IUCN Not Applicable

UNESCO-MAB Biosphere Reserve · 1980

3 187 km²

Baobolong

IUCN VI

Wetland Reserve · 1996

296 km²

Jokadu

IUCN II

National Park · 2014

206 km²

Complete list

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

Sub-administrations6