Ontologia

HydroBASINS lev08 watershed · #7080057980

Bassin de Bostwick 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 2 administrative regions : Ketchikan Gateway, Prince of Wales-Outer Ketchi

Coastal basin 21% lakePfafstetter: 78370020

Sub-basin area

936,4km²

Upstream area

936,4km²

Discharge

17,7m³/s

Mean elev.

128m

Administrative coverage

2 dept-equivalent regions (GADM L2)

2 intersecting protected areas

  • Dog Island

    IUCN Ia

    Research Natural Area

    2.94 km² overlap

  • Dall Bay

    IUCN V

    State Marine Park

    2.35 km² overlap

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

Species present

566 distinct species · 4 449 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

4 449 obs · 14 cellules
Obs. / cellule
≥ 2 590
764–2 589
152–763
129–151
< 129

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

Ecological tissue

Sample of 32 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 Bostwick Creek : 20 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 65 interactions GloBI sur 4 types (connectance 13.1%, filtre Serrano α=0.2). 12 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
32
Interactions affichées
65
Connectance
0.131
Patrimoniales
2
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°

7,0°C

Annual rain

3 013mm

Moisture idx (CMI)

0,82

Runoff

2 575mm/an

PET

539mm

AET

539mm

Mean slope

10,1°

Water table

340cm

Forest

88%

Crops

0%

Urban

0%

Protected

26%

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