Ontologia

Commune · MAR

Assa

Morocco

BWhArid, desert, hot(100 %)

Species observed

337

Observations

2 155

Area

5 250,5km²

Ecological tissue

Sample of 34 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 Assa : 28 espèces reliées par 44 interactions GloBI sur 3 types (connectance 7.4%, filtre Serrano α=0.2). 7 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
35
Interactions affichées
44
Connectance
0.074
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

337 distinct species · 2 155 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

2 155 obs · 103 cellules
Obs. / cellule
≥ 260
42–259
15–41
7–14
< 7

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

Climate

Mean T°

21,8°C

Annual rain

66mm

Warmest m°

38,9°C

Coldest m°

8,4°C

Elevation: 336 m on average (min 104 m, max 920 m)

Bioclimatic detailsExpert
Annual mean temp.
21,8°C
Annual rain
66mm
Warmest month
38,9°C
Coldest month
8,4°C
Mean alt.
336m
Min
104m
Max
920m
Std. dev.
155m
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

8,1

Org. C

5,6g/kg

Clay

16,5%

Sand

58,4%

Silt

25,1%

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

Dominant lithology: suGLiMaggregated to Assa-Zag

3 soil depths detailedExpert
0–5 cm
pH H₂O
8,1
Org. C
7,0g/kg
Clay
16,0%
Sand
58,7%
Silt
25,3%
5–15 cm
pH H₂O
8,1
Org. C
5,6g/kg
Clay
16,3%
Sand
58,6%
Silt
25,1%
15–30 cm
pH H₂O
8,1
Org. C
4,4g/kg
Clay
17,1%
Sand
58,0%
Silt
24,9%

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

Land cover

Forest0.2%
Crops0.0%
Built-up0.0%
Bare soil94.4%
Other (grassland, water…)5.3%

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

Hydrology15 basins · 0 lakes · 6 rivers

Hydrology metrics for this exact territory

Stream length here

490,1km

Basins crossed

15

Max stream order

7

Max drainage

92 927km²

Discharge in basins

826,6m³/s

Mean precip.

85mm/an

Mean T°

20,5°C

Moisture idx

-0,94

Mean runoff

38mm/an

Mean elev. (basins)

359m

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

Human pressure

Pop. density

0hab/km²

Night light

0,1nW

Built-up

1,2%

Pesticides

0,0kg/km²

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

Protected areas2

IUCN Not Applicable · 2

Oued Draa

IUCN Not Applicable

Permanent Hunting Reserve · 2021

13 319 km²

Oued Tighzer

IUCN Not Applicable

Biological and Ecological Interest Site · 1994

214 km²

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

Sub-administrations3