Ontologia

District · GMB

Jokadu

Gambia

BShArid, steppe, hot(94 %)

Species observed

245

Observations

1 456

Area

287km²

Ecological tissue

Sample of 20 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 Jokadu : 15 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 23 interactions GloBI sur 2 types (connectance 12.1%, filtre Serrano α=0.2). 5 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
20
Interactions affichées
23
Connectance
0.121
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

245 distinct species · 1 456 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

1 456 obs · 7 cellules
Obs. / cellule
≥ 397
397–396
278–396
274–277
< 274

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

Climate

Mean T°

26,9°C

Annual rain

745mm

Warmest m°

34,8°C

Coldest m°

18,1°C

Elevation: 16 m on average (min 1 m, max 39 m)

Bioclimatic detailsExpert
Annual mean temp.
26,9°C
Annual rain
745mm
Warmest month
34,8°C
Coldest month
18,1°C
Mean alt.
16m
Min
1m
Max
39m
Std. dev.
13m
Köppen-Geiger (dominant)
BShArid, steppe, hot(94 %)Arid

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

16,8g/kg

Clay

12,9%

Sand

76,3%

Silt

10,7%

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

Dominant lithology: ssGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,6
Org. C
20,7g/kg
Clay
11,8%
Sand
77,1%
Silt
11,0%
5–15 cm
pH H₂O
5,5
Org. C
14,1g/kg
Clay
11,5%
Sand
77,7%
Silt
10,8%
15–30 cm
pH H₂O
5,4
Org. C
15,5g/kg
Clay
15,4%
Sand
74,1%
Silt
10,5%

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

Land cover

Forest10.2%
Crops29.7%
Built-up0.3%
Bare soil2.1%
Other (grassland, water…)57.7%

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

Hydrology3 basins · 0 lakes · 4 rivers

Hydrology metrics for this exact territory

Stream length here

44,4km

Basins crossed

3

Max stream order

3

Max drainage

1 696km²

Discharge in basins

0,8m³/s

Mean precip.

761mm/an

Mean T°

27,4°C

Moisture idx

-0,61

Mean runoff

81mm/an

Mean elev. (basins)

23m

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

9,7kg/km²

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

Protected areas2

IUCN II · 1IUCN Not Reported · 1🌊 Marine · 1

Jokadu

IUCN II

National Park · 2014

206 km²

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