Ontologia

County · USA

San Francisco

United States

CsbTemperate, dry summer, warm summer(100 %)

Species observed

6 673

Observations

2 518 279

Area

125,8km²

Ecological tissue

Sample of 34 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 San Francisco : 21 espèces reliées par 73 interactions GloBI sur 3 types (connectance 13.0%, filtre Serrano α=0.2). 13 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
34
Interactions affichées
73
Connectance
0.130
Patrimoniales
0
Plus dense que (national)0 %(top 100%)

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

Species present

6 673 distinct species · 2 518 279 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

2 518 279 obs · 4 cellules
Obs. / cellule
≥ 1 199 978
1 199 978–1 199 977
635 782–1 199 977
635 782–635 781
< 635 782

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

Climate

Mean T°

13,3°C

Annual rain

710mm

Warmest m°

21,3°C

Coldest m°

6,8°C

Elevation: 51 m on average (min -47 m, max 171 m)

Bioclimatic detailsExpert
Annual mean temp.
13,3°C
Annual rain
710mm
Warmest month
21,3°C
Coldest month
6,8°C
Mean alt.
51m
Min
-47m
Max
171m
Std. dev.
45m
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)

Hydrology3 basins · 2 lakes · 2 rivers

Hydrology metrics for this exact territory

Stream length here

8,4km

Lake surface here

0,57km²

Basins crossed

3

Max stream order

1

Max drainage

2 547km²

Discharge in basins

0,0m³/s

Mean precip.

723mm/an

Mean T°

13,4°C

Moisture idx

-0,32

Max snow

4%

Mean runoff

307mm/an

Mean elev. (basins)

215m

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

Protected areas12

IUCN V · 6IUCN Ia · 4IUCN VI · 1IUCN Ib · 1🌊 Marine · 10

Golden Gate

IUCN V

National Recreation Area · 1972

141 km²

Complete list

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