Ontologia

Prefecture · MAR

Tanger-Assilah

Morocco

CsaTemperate, dry summer, hot summer(100 %)

Species observed

2 115

Observations

24 520

Area

913,6km²

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 Tanger-Assilah : 25 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 69 interactions GloBI sur 3 types (connectance 12.3%, filtre Serrano α=0.2). 9 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
34
Interactions affichées
69
Connectance
0.123
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

2 115 distinct species · 24 520 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

24 520 obs · 25 cellules
Obs. / cellule
≥ 6 348
3 316–6 347
843–3 315
357–842
< 357

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

Climate

Mean T°

18,0°C

Annual rain

729mm

Warmest m°

30,0°C

Coldest m°

8,5°C

Elevation: 73 m on average (min -76 m, max 481 m)

Bioclimatic detailsExpert
Annual mean temp.
18,0°C
Annual rain
729mm
Warmest month
30,0°C
Coldest month
8,5°C
Mean alt.
73m
Min
-76m
Max
481m
Std. dev.
68m
Köppen-Geiger (dominant)
CsaTemperate, dry summer, hot summer(100 %)Temperate

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

Soil & lithology

pH H₂O

6,9

Org. C

28,3g/kg

Clay

32,6%

Sand

37,1%

Silt

30,3%

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

Dominant lithology: ssGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,8
Org. C
46,9g/kg
Clay
31,6%
Sand
37,4%
Silt
31,0%
5–15 cm
pH H₂O
6,9
Org. C
20,2g/kg
Clay
33,0%
Sand
36,1%
Silt
30,9%
15–30 cm
pH H₂O
6,9
Org. C
17,6g/kg
Clay
33,3%
Sand
37,9%
Silt
28,9%

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

Land cover

Forest10.7%
Crops28.4%
Built-up1.2%
Bare soil5.7%
Other (grassland, water…)54.0%

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

Hydrology7 basins · 8 lakes · 8 rivers

Hydrology metrics for this exact territory

Stream length here

88,4km

Lake surface here

17,10km²

Basins crossed

7

Max stream order

3

Max drainage

3 728km²

Discharge in basins

7,9m³/s

Mean precip.

776mm/an

Mean T°

17,7°C

Moisture idx

-0,35

Max snow

1%

Mean runoff

288mm/an

Mean elev. (basins)

130m

Watersheds crossing here

Lakes (8, top by area)

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

Human pressure

Pop. density

6hab/km²

Night light

9,4nW

Built-up

118,3%

Pesticides

22,3kg/km²

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

Protected areas6

IUCN Not Applicable · 5IUCN Not Reported · 1🌊 Marine · 5

Oued Tahaddart

IUCN Not Applicable

Biological and Ecological Interest Site · 1994

141 km²

Cap Spartel

IUCN Not Applicable

Biological and Ecological Interest Site · 1994

8 km²

Perdicaris

IUCN Not Applicable

Biological and Ecological Interest Site · 1994

1 km²

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

Sub-administrations5