Ontologia

Subdivision · ESP

Nigrán

Spain

CsbTemperate, dry summer, warm summer(100 %)

Species observed

978

Observations

8 120

Area

35km²

Ecological tissue

Sample of 41 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 Nigrán : 36 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 78 interactions GloBI sur 5 types (connectance 9.5%, filtre Serrano α=0.2). 5 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
41
Interactions affichées
78
Connectance
0.095
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

978 distinct species · 8 120 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

8 120 obs · 1 cellules
Obs. / cellule
≥ 8 120
8 120–8 119
8 120–8 119
8 120–8 119
< 8 120

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

Climate

Mean T°

14,2°C

Annual rain

1 746mm

Warmest m°

21,8°C

Coldest m°

7,4°C

Elevation: 109 m on average (min -22 m, max 339 m)

Bioclimatic detailsExpert
Annual mean temp.
14,2°C
Annual rain
1 746mm
Warmest month
21,8°C
Coldest month
7,4°C
Mean alt.
109m
Min
-22m
Max
339m
Std. dev.
97m
Köppen-Geiger (dominant)
CsbTemperate, dry summer, warm summer(100 %)Temperate

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

Soil & lithology

pH H₂O

5,2

Org. C

82,0g/kg

Clay

15,3%

Sand

57,4%

Silt

27,2%

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

Dominant lithology: paGLiMaggregated to Pontevedra

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,2
Org. C
105,0g/kg
Clay
14,9%
Sand
57,8%
Silt
27,3%
5–15 cm
pH H₂O
5,2
Org. C
65,7g/kg
Clay
14,2%
Sand
58,0%
Silt
27,7%
15–30 cm
pH H₂O
5,2
Org. C
75,4g/kg
Clay
16,7%
Sand
56,4%
Silt
26,7%

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

Land cover

Forest21.0%
Crops6.8%
Built-up4.8%
Bare soil2.3%
Other (grassland, water…)65.0%

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

Hydrology1 basins · 0 lakes · 2 rivers

Hydrology metrics for this exact territory

Stream length here

7,7km

Basins crossed

1

Max stream order

2

Max drainage

2 227km²

Discharge in basins

0,1m³/s

Mean precip.

1 423mm/an

Mean T°

13,5°C

Moisture idx

0,42

Max snow

4%

Mean runoff

1 111mm/an

Mean elev. (basins)

289m

Watersheds crossing here

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

Human pressure

Pop. density

3hab/km²

Night light

11,4nW

Built-up

484,6%

Pesticides

34,1kg/km²

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

Protected areas6

IUCN Not Reported · 4IUCN Not Assigned · 2🌊 Marine · 6

Illas Estelas

IUCN Not Reported

Special Areas of Conservation (Habitats Directive) · 2014

7 km²

A Ramallosa

IUCN Not Reported

Special Areas of Conservation (Habitats Directive) · 2014

1 km²

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