Ontologia

District · ERI

Hagaz

Eritrea

BWhArid, desert, hot(60 %)

Species observed

91

Observations

145

Area

1 118,6km²

Ecological tissue

Sample of 24 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 Hagaz : 21 espèces reliées par 19 interactions GloBI sur 3 types (connectance 6.9%, filtre Serrano α=0.2). 3 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
24
Interactions affichées
19
Connectance
0.069
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

91 distinct species · 145 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

145 obs · 8 cellules
Obs. / cellule
≥ 69
69–68
11–68
3–10
< 3

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

Climate

Mean T°

24,2°C

Annual rain

439mm

Warmest m°

34,9°C

Coldest m°

14,8°C

Elevation: 1 184 m on average (min 752 m, max 1 915 m)

Bioclimatic detailsExpert
Annual mean temp.
24,2°C
Annual rain
439mm
Warmest month
34,9°C
Coldest month
14,8°C
Mean alt.
1 184m
Min
752m
Max
1 915m
Std. dev.
310m
Köppen-Geiger (dominant)
BWhArid, desert, hot(60 %)Arid

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

Soil & lithology

pH H₂O

7,5

Org. C

17,6g/kg

Clay

33,9%

Sand

36,0%

Silt

30,1%

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

Dominant lithology: mtGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,5
Org. C
21,4g/kg
Clay
32,3%
Sand
37,1%
Silt
30,6%
5–15 cm
pH H₂O
7,5
Org. C
18,1g/kg
Clay
33,6%
Sand
36,0%
Silt
30,3%
15–30 cm
pH H₂O
7,6
Org. C
13,4g/kg
Clay
35,8%
Sand
34,9%
Silt
29,4%

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

Land cover

Forest3.6%
Crops17.5%
Built-up0.1%
Bare soil10.3%
Other (grassland, water…)68.5%

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

Hydrology6 basins · 0 lakes · 5 rivers

Hydrology metrics for this exact territory

Stream length here

72,5km

Basins crossed

6

Max stream order

3

Max drainage

8 122km²

Discharge in basins

1,0m³/s

Mean precip.

404mm/an

Mean T°

24,4°C

Moisture idx

-0,79

Mean runoff

28mm/an

Mean elev. (basins)

1 191m

Watersheds crossing here

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

Human pressure

Pop. density

0hab/km²

Night light

0,0nW

Built-up

10,9%

Pesticides

0,2kg/km²

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