Ontologia

Commune · DZA

Nechemaya

Algeria

CsaTemperate, dry summer, hot summer(100 %)

Species observed

7

Observations

19

Area

121,1km²

Partial data for this territory

Few observations recorded here. Real biodiversity is likely richer.

Ecological tissue

Sample of 2 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 Nechemaya : 2 espèces reliées par 1 interaction GloBI sur 1 type (connectance 100.0%, filtre Serrano α=0.2).

Espèces affichées
2
Interactions affichées
1
Connectance
1.000
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 · 19 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

19 obs · 2 cellules
Obs. / cellule
≥ 13
13–12
13–12
13–12
< 13

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

Climate

Mean T°

17,3°C

Annual rain

713mm

Warmest m°

33,9°C

Coldest m°

3,9°C

Elevation: 377 m on average (min 143 m, max 692 m)

Bioclimatic detailsExpert
Annual mean temp.
17,3°C
Annual rain
713mm
Warmest month
33,9°C
Coldest month
3,9°C
Mean alt.
377m
Min
143m
Max
692m
Std. dev.
115m
Köppen-Geiger (dominant)
CsaTemperate, dry summer, hot summer(100 %)Temperate

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

Soil & lithology

pH H₂O

6,7

Org. C

26,7g/kg

Clay

34,8%

Sand

32,5%

Silt

32,8%

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

Dominant lithology: ssGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,7
Org. C
42,1g/kg
Clay
34,9%
Sand
32,2%
Silt
32,9%
5–15 cm
pH H₂O
6,7
Org. C
22,1g/kg
Clay
34,9%
Sand
32,2%
Silt
32,9%
15–30 cm
pH H₂O
6,7
Org. C
16,0g/kg
Clay
34,6%
Sand
33,0%
Silt
32,4%

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

Land cover

Forest20.1%
Crops17.6%
Built-up0.4%
Bare soil2.1%
Other (grassland, water…)59.8%

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

Hydrology4 basins · 0 lakes · 0 rivers

Hydrology metrics for this exact territory

Basins crossed

4

Max drainage

6 333km²

Discharge in basins

1,6m³/s

Mean precip.

694mm/an

Mean T°

17,6°C

Moisture idx

-0,43

Max snow

1%

Mean runoff

203mm/an

Mean elev. (basins)

167m

Watersheds crossing here

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

Human pressure

Pop. density

1hab/km²

Night light

0,9nW

Built-up

39,7%

Pesticides

17,9kg/km²

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