St. Catherine
IUCN VProtected Landscape · 1996
4 713 km²
Subdivision · EGY
Sant Katrin
Egypt
BWhArid, desert, hot(71 %)
Species observed
1 063
Observations
7 015
Area
3 360,6km²
Ecological tissue
Sample of 35 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 Sant Katrin : 25 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 45 interactions GloBI sur 2 types (connectance 7.6%, filtre Serrano α=0.2). 10 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
35
Interactions affichées
45
Connectance
0.076
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
1 063 distinct species · 7 015 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
18,6°C
Annual rain
27mm
Warmest m°
32,1°C
Coldest m°
3,9°C
Elevation: 1 140 m on average (min -61 m, max 2 442 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
18,6°C
Annual rain
27mm
Warmest month
32,1°C
Coldest month
3,9°C
Mean alt.
1 140m
Min
-61m
Max
2 442m
Std. dev.
328m
Köppen-Geiger (dominant)
BWhArid, desert, hot(71 %)Arid
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
7,9
Org. C
5,7g/kg
Clay
31,8%
Sand
30,6%
Silt
37,6%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: mtGLiM
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
7,9
Org. C
7,3g/kg
Clay
32,5%
Sand
30,2%
Silt
37,3%
5–15 cm
pH H₂O
7,9
Org. C
5,2g/kg
Clay
31,5%
Sand
30,8%
Silt
37,7%
15–30 cm
pH H₂O
7,8
Org. C
4,7g/kg
Clay
31,3%
Sand
30,9%
Silt
37,7%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest0.1%
Crops0.0%
Built-up0.0%
Bare soil95.8%
Other (grassland, water…)4.1%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology11 basins · 0 lakes · 39 rivers
Hydrology metrics for this exact territory
Stream length here
543,7km
Basins crossed
11
Max stream order
5
Max drainage
2 081km²
Discharge in basins
0,2m³/s
Mean precip.
22mm/an
Mean T°
17,3°C
Moisture idx
-0,98
Mean runoff
7mm/an
Mean elev. (basins)
988m
Watersheds crossing here
- Bassin de وادي زغرةsub-area2 080,4 km²overlap1381.47 km²41%
- Bassin de Wadi Feiransub-area1 779,6 km²overlap943.91 km²28%
- Bassin de وادي سيحsub-area1 099,3 km²overlap256.15 km²8%
- Bassin de وادي البرجsub-area1 070,5 km²overlap242.97 km²7%
- Bassin de وادي زليخةsub-area373,1 km²overlap197.81 km²6%
- Bassin de Wadi Gnaisub-area338,1 km²overlap170.51 km²5%
- Bassin de وادي برقsub-area130,2 km²overlap105.06 km²3%
- Bassin de وادي حمراءsub-area337,7 km²overlap52.29 km²2%
- Bassin de وادي حبيقsub-area467,1 km²overlap7.17 km²0%
2 more basinssorted by overlap
Rivers / streams (39, ord ≥ 4)
- وادي زغرةord 3len here53.21 km84%total63 km
- Wadi Birrahord 3len here46.85 km87%total54 km
- Wadi Bayadord 2len here39.10 km100%total39 km
- وادي مردord 3len here32.22 km77%total42 km
- وادي لجord 3len here29.75 km69%total43 km
- وادي نبيعord 3len here26.17 km100%total26 km
- Wadi Gnaiord 2len here23.02 km100%total23 km
- وادي زليخةord 3len here22.76 km47%total48 km
- وادي أملجord 1len here20.51 km100%total21 km
- وادي مرةord 2len here19.62 km94%total21 km
- وادي برقord 2len here18.59 km89%total21 km
- وادي ليوةord 1len here17.50 km75%total23 km
27 more river segmentssorted by Strahler order + length
- Wadi el-Sheikhord 2len here17.02 km42%total40 km
- وادي سدودord 3len here16.04 km100%total16 km
- وادي إمليحord 1len here15.85 km81%total20 km
- وادي فيرانord 3len here15.04 km94%total16 km
- وادي وعزرةord 2len here12.87 km57%total23 km
- وادي غربةord 2len here12.22 km100%total12 km
- وادي معينord 2len here12.07 km100%total12 km
- وادي شيطانord 1len here10.46 km100%total10 km
- وادي الشيقةord 2len here8.71 km100%total9 km
- وادي أم علقةord 1len here8.43 km100%total8 km
- وادي أبو خشيبord 2len here7.65 km100%total8 km
- El Arbaeen Valley وادى الأربعينord 1len here6.92 km100%total7 km
- وادي أم شوكيord 5len here6.52 km99%total7 km
- Wadi Musallamord 2len here5.24 km55%total10 km
- Wadi Abu Traifyaord 1len here5.02 km35%total14 km
- وادي أم جلسمord 2len here4.46 km100%total4 km
- وادي قرنةord 1len here4.45 km66%total7 km
- وادي واديات الكبيرord 3len here4.37 km36%total12 km
- Wadi Rufaiyilord 2len here4.31 km100%total4 km
- وادي الغائبord 5len here3.24 km16%total21 km
- وادي سدودord 1len here3.23 km100%total3 km
- وادي أم حرقord 1len here3.17 km100%total3 km
- وادي سهبord 1len here2.97 km100%total3 km
- وادي أرادةord 2len here2.29 km27%total8 km
- وادي أجرord 2len here0.83 km6%total13 km
- Wadi Umm Hamaataord 1len here0.47 km8%total6 km
- وادي عيشord 1len here0.46 km14%total3 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
0,2nW
Built-up
3,7%
Pesticides
0,0kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas3
IUCN V · 1IUCN III · 1IUCN VI · 1🌊 Marine · 1
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN