Ontologia

County · USA

Siskiyou

United States

CsbTemperate, dry summer, warm summer(40 %)

Species observed

9 125

Observations

886 434

Area

16 440,1km²

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 Siskiyou : 22 espèces reliées par 65 interactions GloBI sur 3 types (connectance 16.0%, filtre Serrano α=0.2). 7 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
29
Interactions affichées
65
Connectance
0.160
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

9 125 distinct species · 886 434 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

886 434 obs · 463 cellules
Obs. / cellule
≥ 31 581
3 774–31 580
951–3 773
453–950
< 453

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

Climate

Mean T°

9,0°C

Annual rain

1 010mm

Warmest m°

28,9°C

Coldest m°

-4,0°C

Elevation: 1 296 m on average (min 219 m, max 3 946 m)

Bioclimatic detailsExpert
Annual mean temp.
9,0°C
Annual rain
1 010mm
Warmest month
28,9°C
Coldest month
-4,0°C
Mean alt.
1 296m
Min
219m
Max
3 946m
Std. dev.
393m
Köppen-Geiger (dominant)
CsbTemperate, dry summer, warm summer(40 %)Temperate

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

Soil & lithology

pH H₂O

6,2

Org. C

45,2g/kg

Clay

18,1%

Sand

47,4%

Silt

34,5%

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

Dominant lithology: vbGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,1
Org. C
78,0g/kg
Clay
17,1%
Sand
48,0%
Silt
34,8%
5–15 cm
pH H₂O
6,2
Org. C
37,5g/kg
Clay
18,0%
Sand
47,4%
Silt
34,6%
15–30 cm
pH H₂O
6,2
Org. C
20,2g/kg
Clay
19,1%
Sand
46,8%
Silt
34,0%

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

Land cover

Forest56.3%
Crops1.4%
Built-up0.1%
Bare soil3.5%
Other (grassland, water…)38.8%

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

Hydrology38 basins · 50 lakes · 100 rivers

Hydrology metrics for this exact territory

Stream length here

2 434,7km

Lake surface here

158,49km²

Basins crossed

38

Max stream order

6

Max drainage

31 130km²

Discharge in basins

1 280,1m³/s

Mean precip.

777mm/an

Mean T°

8,0°C

Moisture idx

-0,28

Max snow

35%

Mean runoff

568mm/an

Mean elev. (basins)

1 267m

Watersheds crossing here

29 more basins

Lakes (50, top by area)

41 more lakes

Rivers / streams (100, ord ≥ 4)

88 more river segments

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

Human pressure

Pop. density

0hab/km²

Night light

0,1nW

Built-up

6,2%

Pesticides

7,1kg/km²

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

Protected areas47

IUCN V · 21IUCN Ib · 10IUCN Ia · 9IUCN IV · 3IUCN Not Assigned · 3IUCN III · 1

Siskiyou

IUCN Ib

Wilderness · 1984

728 km²

Complete list

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