Ontologia

Subdivision · ESP

Alcarràs

Spain

BSkArid, steppe, cold(100 %)

Species observed

1 754

Observations

59 998

Area

114,7km²

Ecological tissue

Sample of 35 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 Alcarràs : 23 espèces dont 4 patrimoniales (LR IUCN CR/EN/VU) reliées par 81 interactions GloBI sur 3 types (connectance 13.6%, filtre Serrano α=0.2). 12 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
35
Interactions affichées
81
Connectance
0.136
Patrimoniales
4
Plus dense que (national)0 %(top 100%)

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

Species present

1 754 distinct species · 59 998 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

59 998 obs · 9 cellules
Obs. / cellule
≥ 21 788
21 788–21 787
11 224–21 787
1 622–11 223
< 1 622

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

Climate

Mean T°

16,0°C

Annual rain

375mm

Warmest m°

33,0°C

Coldest m°

1,8°C

Elevation: 209 m on average (min 115 m, max 292 m)

Bioclimatic detailsExpert
Annual mean temp.
16,0°C
Annual rain
375mm
Warmest month
33,0°C
Coldest month
1,8°C
Mean alt.
209m
Min
115m
Max
292m
Std. dev.
46m
Köppen-Geiger (dominant)
BSkArid, steppe, cold(100 %)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

23,5g/kg

Clay

27,7%

Sand

24,2%

Silt

48,2%

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

Dominant lithology: scGLiMaggregated to Lleida

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,6
Org. C
39,5g/kg
Clay
27,0%
Sand
24,5%
Silt
48,5%
5–15 cm
pH H₂O
7,8
Org. C
17,4g/kg
Clay
27,2%
Sand
24,4%
Silt
48,4%
15–30 cm
pH H₂O
7,8
Org. C
13,7g/kg
Clay
28,8%
Sand
23,5%
Silt
47,7%

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

Land cover

Forest11.3%
Crops51.2%
Built-up1.3%
Bare soil3.4%
Other (grassland, water…)32.8%

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

Hydrology2 basins · 0 lakes · 5 rivers

Hydrology metrics for this exact territory

Stream length here

29,1km

Basins crossed

2

Max stream order

5

Max drainage

12 961km²

Discharge in basins

3,8m³/s

Mean precip.

480mm/an

Mean T°

14,3°C

Moisture idx

-0,56

Max snow

1%

Mean runoff

89mm/an

Mean elev. (basins)

302m

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

Human pressure

Pop. density

0hab/km²

Night light

1,2nW

Built-up

128,1%

Pesticides

36,9kg/km²

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

Protected areas3

IUCN Not Reported · 2IUCN V · 1

WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN