Ontologia

HydroBASINS lev08 watershed · #2080020230

Bassin de San Pelaio ibaia

A watershed (drainage basin) is not a body of water — it is the land area where rainfall converges towards a single river that eventually reaches the sea (or an endorheic basin). Boundaries follow ridgelines.

Crosses 1 administrative regions : Guipúzcoa

Coastal basinPfafstetter: 23190995

Sub-basin area

35,4km²

Upstream area

35,5km²

Discharge

1,16m³/s

Mean elev.

117m

Administrative coverage

1 dept-equivalent regions (GADM L2)

7 intersecting protected areas

  • Pagoeta

    IUCN V

    Natural Park

    3.09 km² overlap

  • Pagoeta

    IUCN Not Reported

    Special Areas of Conservation (Habitats Directive)

    3.07 km² overlap

  • Garate-Santa Barbara

    IUCN Not Reported

    Special Areas of Conservation (Habitats Directive)

    1.46 km² overlap

  • Iñurritza

    IUCN Not Reported

    Special Areas of Conservation (Habitats Directive)

    0.75 km² overlap

  • Inurritza

    IUCN IV

    Protected Landscape

    0.51 km² overlap

  • Special Areas of Conservation (Habitats Directive)

    0.00 km² overlap

  • Natural Monument

    0.00 km² overlap

Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.

Species present

1 516 distinct species · 22 740 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

22 740 obs · 1 cellules
Obs. / cellule
≥ 22 740
22 740–22 739
22 740–22 739
22 740–22 739
< 22 740

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

Ecological tissue

Sample of 29 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 Bassin de San Pelaio ibaia : 19 espèces reliées par 63 interactions GloBI sur 3 types (connectance 15.5%, filtre Serrano α=0.2). 10 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
29
Interactions affichées
63
Connectance
0.155
Patrimoniales
0
Plus dense que (national)0 %(top 100%)

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

Hydroclimate (BasinATLAS lev08)

Mean T°

14,1°C

Annual rain

1 292mm

Moisture idx (CMI)

0,33

Runoff

1 037mm/an

PET

871mm

AET

750mm

Mean slope

10,1°

Water table

351cm

Forest

89%

Crops

6%

Urban

40%

Protected

10%

HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)