Ontologia

Subdivision · EGY

Nakhl

Egypt

BWhArid, desert, hot(99 %)

Species observed

621

Observations

11 149

Area

6 678,4km²

Ecological tissue

Sample of 22 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 Nakhl : 16 espèces dont 3 patrimoniales (LR IUCN CR/EN/VU) reliées par 32 interactions GloBI sur 2 types (connectance 13.9%, filtre Serrano α=0.2). 6 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
22
Interactions affichées
32
Connectance
0.139
Patrimoniales
3
Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Species present

621 distinct species · 11 149 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

11 149 obs · 120 cellules
Obs. / cellule
≥ 3 856
25–3 855
4–24
3–3
< 3

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

Climate

Mean T°

18,7°C

Annual rain

29mm

Warmest m°

33,1°C

Coldest m°

4,6°C

Elevation: 546 m on average (min 227 m, max 1 007 m)

Bioclimatic detailsExpert
Annual mean temp.
18,7°C
Annual rain
29mm
Warmest month
33,1°C
Coldest month
4,6°C
Mean alt.
546m
Min
227m
Max
1 007m
Std. dev.
132m
Köppen-Geiger (dominant)
BWhArid, desert, hot(99 %)Arid

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

Soil & lithology

pH H₂O

8,0

Org. C

3,6g/kg

Clay

34,6%

Sand

29,6%

Silt

35,9%

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

Dominant lithology: smGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
8,0
Org. C
4,3g/kg
Clay
33,8%
Sand
29,7%
Silt
36,5%
5–15 cm
pH H₂O
8,0
Org. C
3,9g/kg
Clay
34,7%
Sand
29,6%
Silt
35,8%
15–30 cm
pH H₂O
8,0
Org. C
2,7g/kg
Clay
35,2%
Sand
29,4%
Silt
35,4%

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

Land cover

Forest0.2%
Crops0.1%
Built-up0.0%
Bare soil97.9%
Other (grassland, water…)1.8%

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

Hydrology31 basins · 0 lakes · 62 rivers

Hydrology metrics for this exact territory

Stream length here

1 195,4km

Basins crossed

31

Max stream order

5

Max drainage

6 110km²

Discharge in basins

1,1m³/s

Mean precip.

43mm/an

Mean T°

18,9°C

Moisture idx

-0,97

Mean runoff

10mm/an

Mean elev. (basins)

572m

Watersheds crossing here

22 more basins

Rivers / streams (62, ord ≥ 4)

50 more river segments

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

Human pressure

Pop. density

0hab/km²

Night light

0,1nW

Built-up

1,8%

Pesticides

0,0kg/km²

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

Protected areas2

IUCN III · 1IUCN Not Assigned · 1

Taba

IUCN III

Natural Monument · 1998

2 709 km²

Massiv Elat

IUCN Not Assigned

Nature Reserve · 1986

365 km²

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