Ontologia

Subdivision · MAR

Bni M'Hamed Sijelmassa

Morocco

BWhArid, desert, hot(100 %)

Species observed

913

Observations

67 147

Area

3 963,2km²

Ecological tissue

Sample of 25 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 Bni M'Hamed Sijelmassa : 24 espèces reliées par 26 interactions GloBI sur 2 types (connectance 8.7%, filtre Serrano α=0.2). 1 bulle taxonomique (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
25
Interactions affichées
26
Connectance
0.087
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

913 distinct species · 67 147 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

67 147 obs · 82 cellules
Obs. / cellule
≥ 14 637
2 344–14 636
120–2 343
17–119
< 17

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

Climate

Mean T°

22,5°C

Annual rain

84mm

Warmest m°

40,0°C

Coldest m°

3,7°C

Elevation: 809 m on average (min 688 m, max 1 136 m)

Bioclimatic detailsExpert
Annual mean temp.
22,5°C
Annual rain
84mm
Warmest month
40,0°C
Coldest month
3,7°C
Mean alt.
809m
Min
688m
Max
1 136m
Std. dev.
100m
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

8,2

Org. C

3,5g/kg

Clay

23,6%

Sand

46,0%

Silt

30,4%

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

Dominant lithology: scGLiMaggregated to Errachidia

3 soil depths detailedExpert
0–5 cm
pH H₂O
8,2
Org. C
4,2g/kg
Clay
23,1%
Sand
46,1%
Silt
30,8%
5–15 cm
pH H₂O
8,2
Org. C
3,5g/kg
Clay
23,6%
Sand
46,1%
Silt
30,2%
15–30 cm
pH H₂O
8,2
Org. C
2,7g/kg
Clay
24,1%
Sand
45,6%
Silt
30,3%

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

Land cover

Forest0.0%
Crops0.1%
Built-up0.0%
Bare soil97.9%
Other (grassland, water…)2.0%

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

Hydrology14 basins · 0 lakes · 2 rivers

Hydrology metrics for this exact territory

Stream length here

142,9km

Basins crossed

14

Max stream order

5

Max drainage

12 252km²

Discharge in basins

90,6m³/s

Mean precip.

73mm/an

Mean T°

20,8°C

Moisture idx

-0,96

Mean runoff

34mm/an

Mean elev. (basins)

837m

Watersheds crossing here

5 more basins

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

Human pressure

Pop. density

0hab/km²

Night light

0,0nW

Built-up

0,7%

Pesticides

0,0kg/km²

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

Protected areas4

IUCN Not Applicable · 4

Rissani

IUCN Not Applicable

Permanent Hunting Reserve · 2021

15 945 km²

Alnif

IUCN Not Applicable

Permanent Hunting Reserve · 2021

5 730 km²

Merzouga

IUCN Not Applicable

Biological and Ecological Interest Site · 1994

227 km²

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