Ontologia

Commune · DZA

Negrine

Algeria

BWhArid, desert, hot(100 %)

Species observed

26

Observations

31

Area

966,8km²

Ecological tissue

Sample of 6 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 Negrine : 5 espèces reliées par 4 interactions GloBI sur 2 types (connectance 26.7%, filtre Serrano α=0.2). 1 bulle taxonomique (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
6
Interactions affichées
4
Connectance
0.267
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

26 distinct species · 31 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

31 obs · 5 cellules
Obs. / cellule
≥ 11
11–10
9–10
6–8
< 6

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

Climate

Mean T°

21,6°C

Annual rain

136mm

Warmest m°

37,8°C

Coldest m°

5,0°C

Elevation: 199 m on average (min 14 m, max 770 m)

Bioclimatic detailsExpert
Annual mean temp.
21,6°C
Annual rain
136mm
Warmest month
37,8°C
Coldest month
5,0°C
Mean alt.
199m
Min
14m
Max
770m
Std. dev.
179m
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

8,2

Org. C

6,5g/kg

Clay

18,3%

Sand

48,8%

Silt

32,9%

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

Dominant lithology: suGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
8,2
Org. C
7,3g/kg
Clay
17,3%
Sand
49,6%
Silt
33,1%
5–15 cm
pH H₂O
8,2
Org. C
6,3g/kg
Clay
19,0%
Sand
48,2%
Silt
32,8%
15–30 cm
pH H₂O
8,2
Org. C
5,9g/kg
Clay
18,7%
Sand
48,6%
Silt
32,7%

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

Land cover

Forest0.2%
Crops4.5%
Built-up0.1%
Bare soil84.7%
Other (grassland, water…)10.5%

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

Hydrology2 basins · 0 lakes · 0 rivers

Hydrology metrics for this exact territory

Basins crossed

2

Max drainage

3 611km²

Discharge in basins

0,2m³/s

Mean precip.

137mm/an

Mean T°

20,0°C

Moisture idx

-0,91

Mean runoff

36mm/an

Mean elev. (basins)

253m

Watersheds crossing here

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

Human pressure

Pop. density

0hab/km²

Night light

0,2nW

Built-up

4,6%

Pesticides

0,0kg/km²

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