Ontologia

HydroBASINS lev08 watershed · #2080053730

Bassin de River Crouch

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 4 administrative regions : Kent, NA, Southend-on-Sea, Thurrock

Coastal basinPfafstetter: 23303790

Sub-basin area

747,6km²

Upstream area

747,6km²

Discharge

1,79m³/s

Mean elev.

17m

Administrative coverage

4 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

7 202 distinct species · 728 600 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

728 600 obs · 23 cellules
Obs. / cellule
≥ 169 304
56 061–169 303
37 902–56 060
20 426–37 901
< 20 426

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

Ecological tissue

Sample of 33 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 River Crouch : 31 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 78 interactions GloBI sur 2 types (connectance 14.8%, filtre Serrano α=0.2). 2 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
33
Interactions affichées
78
Connectance
0.148
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

561mm

Moisture idx (CMI)

-0,18

Runoff

303mm/an

PET

688mm

AET

473mm

Mean slope

0,9°

Water table

64cm

Forest

0%

Crops

37%

Urban

34%

Protected

14%

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