Ontologia

Commune · MAR

Tan-Tan

Morocco

BWhArid, desert, hot(100 %)

Species observed

345

Observations

1 979

Area

5 131,7km²

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 Tan-Tan : 28 espèces reliées par 49 interactions GloBI sur 2 types (connectance 8.7%, filtre Serrano α=0.2). 6 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
34
Interactions affichées
49
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

345 distinct species · 1 979 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

1 979 obs · 79 cellules
Obs. / cellule
≥ 413
79–412
15–78
4–14
< 4

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

Climate

Mean T°

19,6°C

Annual rain

95mm

Warmest m°

30,1°C

Coldest m°

10,3°C

Elevation: 193 m on average (min -13 m, max 569 m)

Bioclimatic detailsExpert
Annual mean temp.
19,6°C
Annual rain
95mm
Warmest month
30,1°C
Coldest month
10,3°C
Mean alt.
193m
Min
-13m
Max
569m
Std. dev.
103m
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

5,7g/kg

Clay

16,0%

Sand

60,0%

Silt

24,0%

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

Dominant lithology: ssGLiMaggregated to Tan-Tan

3 soil depths detailedExpert
0–5 cm
pH H₂O
8,1
Org. C
6,4g/kg
Clay
16,1%
Sand
60,0%
Silt
24,0%
5–15 cm
pH H₂O
8,1
Org. C
5,3g/kg
Clay
15,9%
Sand
60,2%
Silt
23,9%
15–30 cm
pH H₂O
8,1
Org. C
5,5g/kg
Clay
16,2%
Sand
59,8%
Silt
24,1%

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

Land cover

Forest0.0%
Crops0.0%
Built-up0.0%
Bare soil94.4%
Other (grassland, water…)5.5%

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

Hydrology15 basins · 0 lakes · 4 rivers

Hydrology metrics for this exact territory

Stream length here

165,0km

Basins crossed

15

Max stream order

5

Max drainage

94 290km²

Discharge in basins

45,7m³/s

Mean precip.

79mm/an

Mean T°

19,9°C

Moisture idx

-0,94

Mean runoff

36mm/an

Mean elev. (basins)

221m

Watersheds crossing here

6 more basins

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

Human pressure

Pop. density

0hab/km²

Night light

0,1nW

Built-up

2,8%

Pesticides

0,0kg/km²

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

Protected areas5

IUCN Not Applicable · 3IUCN Not Reported · 2🌊 Marine · 3

Msied - Abteh

IUCN Not Applicable

Permanent Hunting Reserve · 2021

7 238 km²

Embouchure du Draa

IUCN Not Applicable

Biological and Ecological Interest Site · 1994

424 km²

Oued Chbika

IUCN Not Applicable

Biological and Ecological Interest Site · 1994

357 km²

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

Sub-administrations3