Ontologia

Commune · DZA

Boulhaf Dyr

Algeria

BSkArid, steppe, cold(81 %)

Species observed

7

Observations

7

Area

170,9km²

Partial data for this territory

Few observations recorded here. Real biodiversity is likely richer.

Ecological tissue

Sample of 5 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 Boulhaf Dyr : 5 espèces reliées par 4 interactions GloBI sur 2 types (connectance 40.0%, filtre Serrano α=0.2).

Espèces affichées
5
Interactions affichées
4
Connectance
0.400
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

7 distinct species · 7 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

7 obs · 2 cellules
Obs. / cellule
≥ 5
5–4
5–4
5–4
< 5

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

Climate

Mean T°

15,5°C

Annual rain

379mm

Warmest m°

33,4°C

Coldest m°

0,8°C

Elevation: 943 m on average (min 754 m, max 1 377 m)

Bioclimatic detailsExpert
Annual mean temp.
15,5°C
Annual rain
379mm
Warmest month
33,4°C
Coldest month
0,8°C
Mean alt.
943m
Min
754m
Max
1 377m
Std. dev.
155m
Köppen-Geiger (dominant)
BSkArid, steppe, cold(81 %)Arid

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

Soil & lithology

pH H₂O

7,8

Org. C

13,8g/kg

Clay

26,3%

Sand

40,5%

Silt

33,1%

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

Dominant lithology: scGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,7
Org. C
20,1g/kg
Clay
25,3%
Sand
41,1%
Silt
33,7%
5–15 cm
pH H₂O
7,8
Org. C
11,9g/kg
Clay
25,4%
Sand
41,0%
Silt
33,6%
15–30 cm
pH H₂O
7,9
Org. C
9,5g/kg
Clay
28,3%
Sand
39,5%
Silt
32,2%

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

Land cover

Forest4.9%
Crops34.8%
Built-up0.5%
Bare soil10.4%
Other (grassland, water…)49.4%

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

Hydrology2 basins · 0 lakes · 5 rivers

Hydrology metrics for this exact territory

Stream length here

20,3km

Basins crossed

2

Max stream order

3

Max drainage

1 581km²

Discharge in basins

0,2m³/s

Mean precip.

408mm/an

Mean T°

14,8°C

Moisture idx

-0,68

Mean runoff

32mm/an

Mean elev. (basins)

939m

Watersheds crossing here

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

Human pressure

Pop. density

0hab/km²

Night light

2,4nW

Built-up

51,5%

Pesticides

9,7kg/km²

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