Ontologia

HydroBASINS lev08 watershed · #7080496310

Bassin de Little Grider 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 : Siskiyou

Pfafstetter: 77480307

Sub-basin area

25,5km²

Upstream area

18 297,4km²

Discharge

179,85m³/s

Mean elev.

802m

Administrative coverage

Hydrographic chain

▼ Drains into

Bassin de Klamath River60 km²

▲ Receives from 2 basins

1 dept-equivalent regions (GADM L2)

1 intersecting protected areas

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

Species present

437 distinct species · 5 227 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

5 227 obs · 1 cellules
Obs. / cellule
≥ 5 227
5 227–5 226
5 227–5 226
5 227–5 226
< 5 227

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

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 Bassin de Little Grider Creek : 28 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 108 interactions GloBI sur 4 types (connectance 12.5%, filtre Serrano α=0.2). 14 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
42
Interactions affichées
108
Connectance
0.125
Patrimoniales
1
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°

10,0°C

Annual rain

1 166mm

Moisture idx (CMI)

-0,01

Runoff

1 096mm/an

PET

1 179mm

AET

618mm

Mean slope

19,0°

Water table

550cm

Forest

100%

Crops

0%

Urban

0%

Protected

5%

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