Ontologia

HydroBASINS lev08 watershed · #7080420340

Bassin de Mississippi 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 5 administrative regions : Dakota, Hennepin, Pierce, Ramsey, Washington

16% lakePfafstetter: 74287900

Sub-basin area

639,9km²

Upstream area

95 862,7km²

Discharge

467,61m³/s

Mean elev.

267m

Administrative coverage

Hydrographic chain

Drains into

Receives from 2 basins

5 dept-equivalent regions (GADM L2)

30 intersecting protected areas

21 more protected areas

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

Species present

5 345 distinct species · 1 352 992 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

1 352 992 obs · 17 cellules
Obs. / cellule
≥ 195 793
161 368–195 792
109 404–161 367
54 188–109 403
< 54 188

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

Ecological tissue

Sample of 42 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 Mississippi River : 35 espèces reliées par 74 interactions GloBI sur 4 types (connectance 8.6%, filtre Serrano α=0.2). 7 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
42
Interactions affichées
74
Connectance
0.086
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°

7,2°C

Annual rain

765mm

Moisture idx (CMI)

-0,17

Runoff

237mm/an

PET

925mm

AET

648mm

Mean slope

1,7°

Water table

163cm

Forest

12%

Crops

23%

Urban

63%

Protected

1%

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