Ontologia

HydroBASINS lev08 watershed · #7080372790

Bassin de Allagash River

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 : Piscataquis

118% lakePfafstetter: 72608809

Sub-basin area

442,9km²

Upstream area

443,2km²

Discharge

8,34m³/s

Mean elev.

338m

Administrative coverage

Hydrographic chain

▼ Drains into

Bassin de Allagash River568 km²

▲ Receives from 0 basins

Source / headwater (no upstream basin)

1 dept-equivalent regions (GADM L2)

4 intersecting protected areas

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

Species present

282 distinct species · 3 090 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

3 090 obs · 12 cellules
Obs. / cellule
≥ 744
549–743
299–548
241–298
< 241

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

Ecological tissue

Sample of 40 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 Allagash River : 31 espèces reliées par 63 interactions GloBI sur 5 types (connectance 8.1%, filtre Serrano α=0.2). 9 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
40
Interactions affichées
63
Connectance
0.081
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°

3,2°C

Annual rain

985mm

Moisture idx (CMI)

0,22

Runoff

623mm/an

PET

769mm

AET

642mm

Mean slope

2,7°

Water table

120cm

Forest

84%

Crops

0%

Urban

0%

Protected

7%

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