Ontologia

Department · SEN

Dagana

Senegal

BWhArid, desert, hot(100 %)

Species observed

1 256

Observations

90 618

Area

5 580,9km²

Ecological tissue

Sample of 21 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 Dagana : 16 espèces reliées par 29 interactions GloBI sur 3 types (connectance 10.5%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
24
Interactions affichées
29
Connectance
0.105
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

1 256 distinct species · 90 618 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

90 618 obs · 147 cellules
Obs. / cellule
≥ 11 180
688–11 179
194–687
71–193
< 71

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

Climate

Mean T°

27,9°C

Annual rain

262mm

Warmest m°

38,1°C

Coldest m°

17,3°C

Elevation: 10 m on average (min -145 m, max 44 m)

Bioclimatic detailsExpert
Annual mean temp.
27,9°C
Annual rain
262mm
Warmest month
38,1°C
Coldest month
17,3°C
Mean alt.
10m
Min
-145m
Max
44m
Std. dev.
12m
Köppen-Geiger (dominant)
BWhArid, desert, hot(100 %)Arid

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

Soil & lithology

pH H₂O

7,1

Org. C

8,8g/kg

Clay

18,6%

Sand

65,0%

Silt

16,4%

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

Dominant lithology: ssGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,1
Org. C
9,2g/kg
Clay
18,5%
Sand
64,9%
Silt
16,6%
5–15 cm
pH H₂O
7,1
Org. C
7,5g/kg
Clay
17,9%
Sand
65,6%
Silt
16,5%
15–30 cm
pH H₂O
7,1
Org. C
9,6g/kg
Clay
19,3%
Sand
64,5%
Silt
16,2%

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

Land cover

Forest4.0%
Crops14.3%
Built-up0.2%
Bare soil8.6%
Other (grassland, water…)72.9%

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

Hydrology22 basins · 23 lakes · 12 rivers

Hydrology metrics for this exact territory

Stream length here

449,5km

Lake surface here

358,21km²

Basins crossed

22

Max stream order

7

Max drainage

443 990km²

Discharge in basins

749,8m³/s

Mean precip.

262mm/an

Mean T°

26,7°C

Moisture idx

-0,86

Mean runoff

5mm/an

Mean elev. (basins)

17m

Watersheds crossing here

13 more basins

Lakes (23, top by area)

14 more lakes

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

Human pressure

Pop. density

0hab/km²

Night light

0,1nW

Built-up

19,8%

Pesticides

1,6kg/km²

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

Protected areas10

IUCN Not Reported · 4IUCN IV · 3IUCN II · 2IUCN Not Applicable · 1📍 Point sites · 1

Six Forage

IUCN Not Reported

Not Reported

4 300 km²

Ndiael

IUCN IV

Wildlife Reserve

486 km²

Sogobe

IUCN Not Reported

Not Reported

380 km²

Complete list

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

Sub-administrations3