Ontologia

Commune · SDN

New Halfa

Sudan

BWhArid, desert, hot(100 %)

Species observed

61

Observations

300

Area

2 973,4km²

Ecological tissue

Sample of 7 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 New Halfa : 6 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 5 interactions GloBI sur 2 types (connectance 17.9%, filtre Serrano α=0.2). 2 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
8
Interactions affichées
5
Connectance
0.179
Patrimoniales
1
Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Species present

61 distinct species · 300 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

300 obs · 48 cellules
Obs. / cellule
≥ 81
19–80
3–18
2–2
< 2

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

Climate

Mean T°

30,1°C

Annual rain

210mm

Warmest m°

41,1°C

Coldest m°

17,2°C

Elevation: 435 m on average (min 404 m, max 468 m)

Bioclimatic detailsExpert
Annual mean temp.
30,1°C
Annual rain
210mm
Warmest month
41,1°C
Coldest month
17,2°C
Mean alt.
435m
Min
404m
Max
468m
Std. dev.
15m
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

7,9

Org. C

5,6g/kg

Clay

48,8%

Sand

17,7%

Silt

33,5%

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

Dominant lithology: suGLiMaggregated to Nahr Atbara

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,9
Org. C
6,8g/kg
Clay
46,0%
Sand
18,9%
Silt
35,0%
5–15 cm
pH H₂O
7,9
Org. C
5,7g/kg
Clay
48,1%
Sand
18,1%
Silt
33,9%
15–30 cm
pH H₂O
8,0
Org. C
4,3g/kg
Clay
52,4%
Sand
16,2%
Silt
31,4%

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

Land cover

Forest2.8%
Crops34.0%
Built-up0.5%
Bare soil22.4%
Other (grassland, water…)40.3%

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

Hydrology13 basins · 0 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

82,0km

Basins crossed

13

Max stream order

6

Max drainage

112 598km²

Discharge in basins

391,5m³/s

Mean precip.

225mm/an

Mean T°

28,8°C

Moisture idx

-0,90

Mean runoff

3mm/an

Mean elev. (basins)

443m

Watersheds crossing here

4 more basins

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

Human pressure

Pop. density

1hab/km²

Night light

0,2nW

Built-up

45,1%

Pesticides

1,4kg/km²

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