Ontologia

Subdivision · EGY

Marsa Matruh

Egypt

BWhArid, desert, hot(100 %)

Species observed

328

Observations

1 272

Area

48 003,4km²

Ecological tissue

Sample of 40 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 Marsa Matruh : 27 espèces reliées par 50 interactions GloBI sur 5 types (connectance 6.4%, filtre Serrano α=0.2). 13 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
40
Interactions affichées
50
Connectance
0.064
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

328 distinct species · 1 272 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

1 272 obs · 116 cellules
Obs. / cellule
≥ 65
22–64
6–21
2–5
< 2

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

Climate

Mean T°

21,2°C

Annual rain

38mm

Warmest m°

34,7°C

Coldest m°

7,3°C

Elevation: 72 m on average (min -129 m, max 261 m)

Bioclimatic detailsExpert
Annual mean temp.
21,2°C
Annual rain
38mm
Warmest month
34,7°C
Coldest month
7,3°C
Mean alt.
72m
Min
-129m
Max
261m
Std. dev.
113m
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

10,8g/kg

Clay

27,7%

Sand

42,6%

Silt

29,8%

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

Dominant lithology: evGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
8,1
Org. C
11,5g/kg
Clay
27,1%
Sand
42,9%
Silt
30,0%
5–15 cm
pH H₂O
8,1
Org. C
8,9g/kg
Clay
28,2%
Sand
42,3%
Silt
29,5%
15–30 cm
pH H₂O
8,1
Org. C
12,1g/kg
Clay
27,8%
Sand
42,5%
Silt
29,8%

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

Land cover

Forest0.1%
Crops1.0%
Built-up0.0%
Bare soil96.5%
Other (grassland, water…)2.3%

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

Hydrology79 basins · 7 lakes · 0 rivers

Hydrology metrics for this exact territory

Lake surface here

15,79km²

Basins crossed

79

Max drainage

16 441km²

Discharge in basins

13,2m³/s

Mean precip.

52mm/an

Mean T°

20,0°C

Moisture idx

-0,96

Mean runoff

7mm/an

Mean elev. (basins)

76m

Watersheds crossing here

70 more basins

Lakes (7, top by area)

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

Human pressure

Pop. density

0hab/km²

Night light

0,4nW

Built-up

4,1%

Pesticides

0,0kg/km²

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

Protected areas1

IUCN VI · 1

Siwa

IUCN VI

Multiple Use Management Area · 2002

7 697 km²

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