Ontologia

HydroBASINS lev08 watershed · #7080012980

Bassin de Arroyo Grande Creek

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 : San Luis Obispo

7% lakePfafstetter: 77419002

Sub-basin area

374,7km²

Upstream area

374,7km²

Discharge

2,43m³/s

Mean elev.

305m

Administrative coverage

1 dept-equivalent regions (GADM L2)

5 intersecting protected areas

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

Species present

1 731 distinct species · 76 023 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

76 023 obs · 9 cellules
Obs. / cellule
≥ 35 441
35 441–35 440
5 432–35 440
4 820–5 431
< 4 820

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

Ecological tissue

Sample of 43 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 Arroyo Grande Creek : 29 espèces reliées par 103 interactions GloBI sur 4 types (connectance 10.9%, filtre Serrano α=0.2). 15 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
44
Interactions affichées
103
Connectance
0.109
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

524mm

Moisture idx (CMI)

-0,60

Runoff

158mm/an

PET

1 295mm

AET

445mm

Mean slope

11,3°

Water table

549cm

Forest

73%

Crops

12%

Urban

4%

Protected

17%

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