Ontologia

Commune · DZA

Bordj El Haouasse

Algeria

BWhArid, desert, hot(100 %)

Species observed

169

Observations

438

Area

30 743,9km²

Ecological tissue

Sample of 37 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 Bordj El Haouasse : 32 espèces dont 3 patrimoniales (LR IUCN CR/EN/VU) reliées par 49 interactions GloBI sur 5 types (connectance 7.4%, filtre Serrano α=0.2). 5 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
37
Interactions affichées
49
Connectance
0.074
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

169 distinct species · 438 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

438 obs · 116 cellules
Obs. / cellule
≥ 26
10–25
2–9
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°

22,0°C

Annual rain

28mm

Warmest m°

35,7°C

Coldest m°

2,5°C

Elevation: 1 210 m on average (min 901 m, max 1 969 m)

Bioclimatic detailsExpert
Annual mean temp.
22,0°C
Annual rain
28mm
Warmest month
35,7°C
Coldest month
2,5°C
Mean alt.
1 210m
Min
901m
Max
1 969m
Std. dev.
187m
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

8,4

Org. C

5,3g/kg

Clay

25,0%

Sand

45,7%

Silt

29,3%

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

Dominant lithology: suGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
8,4
Org. C
6,5g/kg
Clay
24,2%
Sand
46,3%
Silt
29,5%
5–15 cm
pH H₂O
8,4
Org. C
5,2g/kg
Clay
25,2%
Sand
45,7%
Silt
29,1%
15–30 cm
pH H₂O
8,4
Org. C
4,0g/kg
Clay
25,6%
Sand
45,0%
Silt
29,4%

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

Land cover

Forest0.0%
Crops0.0%
Built-up0.0%
Bare soil98.1%
Other (grassland, water…)1.9%

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

Hydrology68 basins · 0 lakes · 56 rivers

Hydrology metrics for this exact territory

Stream length here

2 061,9km

Basins crossed

68

Max stream order

6

Max drainage

17 361km²

Discharge in basins

21,5m³/s

Mean precip.

27mm/an

Mean T°

22,5°C

Moisture idx

-0,99

Mean runoff

8mm/an

Mean elev. (basins)

1 205m

Watersheds crossing here

59 more basins

Rivers / streams (56, ord ≥ 4)

44 more river segments

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

Human pressure

Pop. density

0hab/km²

Night light

0,0nW

Built-up

0,1%

Pesticides

0,0kg/km²

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

Protected areas5

IUCN Not Applicable · 4IUCN Not Reported · 1

Ahaggar

IUCN Not Applicable

Cultural Park · 1987

542 179 km²

Tassili N'Ajjer

IUCN Not Applicable

UNESCO-MAB Biosphere Reserve · 1986

98 902 km²

Tassili n'Ajjer

IUCN Not Applicable

World Heritage Site (natural or mixed) · 1982

75 390 km²

Vallée d'Iherir

IUCN Not Reported

Wetland of International Importance (Ramsar Site) · 2001

579 km²

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