Ontologia

Subdivision · MAR

Gdana

Morocco

BShArid, steppe, hot(92 %)

Species observed

20

Observations

64

Area

189,5km²

Ecological tissue

Sample of 3 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 Gdana : 3 espèces reliées par 2 interactions GloBI sur 1 type (connectance 66.7%, filtre Serrano α=0.2).

Espèces affichées
3
Interactions affichées
2
Connectance
0.667
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

20 distinct species · 64 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

64 obs · 5 cellules
Obs. / cellule
≥ 27
27–26
15–26
12–14
< 12

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

Climate

Mean T°

18,1°C

Annual rain

359mm

Warmest m°

31,0°C

Coldest m°

6,8°C

Elevation: 249 m on average (min 133 m, max 338 m)

Bioclimatic detailsExpert
Annual mean temp.
18,1°C
Annual rain
359mm
Warmest month
31,0°C
Coldest month
6,8°C
Mean alt.
249m
Min
133m
Max
338m
Std. dev.
47m
Köppen-Geiger (dominant)
BShArid, steppe, hot(92 %)Arid

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

Soil & lithology

pH H₂O

7,6

Org. C

15,6g/kg

Clay

37,9%

Sand

31,6%

Silt

30,5%

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

Dominant lithology: ssGLiMaggregated to Settat

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,4
Org. C
22,5g/kg
Clay
36,1%
Sand
32,7%
Silt
31,2%
5–15 cm
pH H₂O
7,6
Org. C
13,1g/kg
Clay
37,3%
Sand
31,8%
Silt
30,9%
15–30 cm
pH H₂O
7,6
Org. C
11,3g/kg
Clay
40,4%
Sand
30,3%
Silt
29,4%

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

Land cover

Forest0.8%
Crops75.4%
Built-up0.1%
Bare soil1.9%
Other (grassland, water…)21.7%

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

Hydrology2 basins · 0 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

3,8km

Basins crossed

2

Max stream order

6

Max drainage

32 734km²

Discharge in basins

23,3m³/s

Mean precip.

345mm/an

Mean T°

17,9°C

Moisture idx

-0,74

Mean runoff

38mm/an

Mean elev. (basins)

239m

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

Human pressure

Pop. density

0hab/km²

Night light

0,4nW

Built-up

13,2%

Pesticides

22,3kg/km²

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