Ontologia

District · ERI

Omhajer

Eritrea

BShArid, steppe, hot(89 %)

Species observed

25

Observations

179

Area

5 094,4km²

Ecological tissue

Sample of 9 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 Omhajer : 9 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 5 interactions GloBI sur 3 types (connectance 13.9%, filtre Serrano α=0.2).

Espèces affichées
9
Interactions affichées
5
Connectance
0.139
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

25 distinct species · 179 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

179 obs · 53 cellules
Obs. / cellule
≥ 69
4–68
2–3
1–1
< 1

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

Climate

Mean T°

28,1°C

Annual rain

594mm

Warmest m°

39,4°C

Coldest m°

17,6°C

Elevation: 736 m on average (min 543 m, max 1 343 m)

Bioclimatic detailsExpert
Annual mean temp.
28,1°C
Annual rain
594mm
Warmest month
39,4°C
Coldest month
17,6°C
Mean alt.
736m
Min
543m
Max
1 343m
Std. dev.
155m
Köppen-Geiger (dominant)
BShArid, steppe, hot(89 %)Arid

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

Soil & lithology

pH H₂O

7,7

Org. C

9,5g/kg

Clay

43,2%

Sand

21,4%

Silt

35,4%

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

Dominant lithology: mtGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,7
Org. C
12,3g/kg
Clay
41,5%
Sand
22,3%
Silt
36,1%
5–15 cm
pH H₂O
7,7
Org. C
9,3g/kg
Clay
42,6%
Sand
21,8%
Silt
35,6%
15–30 cm
pH H₂O
7,8
Org. C
6,9g/kg
Clay
45,5%
Sand
20,1%
Silt
34,4%

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

Land cover

Forest6.6%
Crops7.0%
Built-up0.0%
Bare soil2.1%
Other (grassland, water…)84.4%

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

Hydrology16 basins · 0 lakes · 3 rivers

Hydrology metrics for this exact territory

Stream length here

198,5km

Basins crossed

16

Max stream order

6

Max drainage

109 395km²

Discharge in basins

248,2m³/s

Mean precip.

533mm/an

Mean T°

27,4°C

Moisture idx

-0,75

Mean runoff

30mm/an

Mean elev. (basins)

696m

Watersheds crossing here

7 more basins

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

Human pressure

Pop. density

0hab/km²

Night light

0,0nW

Built-up

4,2%

Pesticides

0,4kg/km²

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

Protected areas1

IUCN II · 1

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