Ontologia

Commune · DZA

Haddada

Algeria

CsaTemperate, dry summer, hot summer(99 %)

Species observed

30

Observations

39

Area

133,9km²

Ecological tissue

Sample of 8 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 Haddada : 7 espèces reliées par 5 interactions GloBI sur 2 types (connectance 17.9%, filtre Serrano α=0.2). 1 bulle taxonomique (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
8
Interactions affichées
5
Connectance
0.179
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

30 distinct species · 39 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

39 obs · 3 cellules
Obs. / cellule
≥ 23
23–22
23–22
15–22
< 15

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

Climate

Mean T°

16,1°C

Annual rain

620mm

Warmest m°

33,5°C

Coldest m°

2,0°C

Elevation: 729 m on average (min 481 m, max 938 m)

Bioclimatic detailsExpert
Annual mean temp.
16,1°C
Annual rain
620mm
Warmest month
33,5°C
Coldest month
2,0°C
Mean alt.
729m
Min
481m
Max
938m
Std. dev.
112m
Köppen-Geiger (dominant)
CsaTemperate, dry summer, hot summer(99 %)Temperate

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

Soil & lithology

pH H₂O

7,0

Org. C

21,9g/kg

Clay

38,7%

Sand

26,1%

Silt

35,2%

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

Dominant lithology: scGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,9
Org. C
34,1g/kg
Clay
39,8%
Sand
25,4%
Silt
34,7%
5–15 cm
pH H₂O
7,0
Org. C
18,2g/kg
Clay
39,4%
Sand
25,7%
Silt
35,0%
15–30 cm
pH H₂O
7,0
Org. C
13,3g/kg
Clay
36,8%
Sand
27,2%
Silt
36,0%

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

Land cover

Forest6.9%
Crops34.1%
Built-up0.4%
Bare soil8.8%
Other (grassland, water…)49.8%

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

Hydrology2 basins · 0 lakes · 2 rivers

Hydrology metrics for this exact territory

Stream length here

13,2km

Basins crossed

2

Max stream order

2

Max drainage

10 716km²

Discharge in basins

0,9m³/s

Mean precip.

598mm/an

Mean T°

16,0°C

Moisture idx

-0,55

Max snow

1%

Mean runoff

127mm/an

Mean elev. (basins)

555m

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

Human pressure

Pop. density

1hab/km²

Night light

0,7nW

Built-up

36,3%

Pesticides

16,3kg/km²

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