Ontologia

HydroBASINS lev08 watershed · #7080039850

Bassin de Harlem 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 3 administrative regions : Bronx, New York, Queens

Coastal basin 4% lakePfafstetter: 73130009

Sub-basin area

66,8km²

Upstream area

66,8km²

Discharge

0,19m³/s

Mean elev.

18m

Administrative coverage

3 dept-equivalent regions (GADM L2)

5 intersecting protected areas

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

Species present

4 625 distinct species · 908 790 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

908 790 obs · 2 cellules
Obs. / cellule
≥ 773 981
773 981–773 980
773 981–773 980
773 981–773 980
< 773 981

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

Ecological tissue

Sample of 43 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 Harlem River : 26 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 145 interactions GloBI sur 4 types (connectance 15.3%, filtre Serrano α=0.2). 18 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
44
Interactions affichées
145
Connectance
0.153
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°

12,0°C

Annual rain

1 138mm

Moisture idx (CMI)

0,16

Runoff

727mm/an

PET

952mm

AET

792mm

Mean slope

2,0°

Water table

130cm

Forest

1%

Crops

0%

Urban

100%

Protected

0%

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