Ontologia

County · USA

Pearl River

United States

CfaTemperate, no dry season, hot summer(100 %)

Species observed

2 966

Observations

73 619

Area

2 119,8km²

Ecological tissue

Sample of 41 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 Pearl River : 29 espèces reliées par 77 interactions GloBI sur 4 types (connectance 9.4%, filtre Serrano α=0.2). 12 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
41
Interactions affichées
77
Connectance
0.094
Patrimoniales
0
Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Species present

2 966 distinct species · 73 619 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

73 619 obs · 78 cellules
Obs. / cellule
≥ 10 416
2 091–10 415
580–2 090
223–579
< 223

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

Climate

Mean T°

19,0°C

Annual rain

1 621mm

Warmest m°

32,2°C

Coldest m°

6,0°C

Elevation: 54 m on average (min 5 m, max 109 m)

Bioclimatic detailsExpert
Annual mean temp.
19,0°C
Annual rain
1 621mm
Warmest month
32,2°C
Coldest month
6,0°C
Mean alt.
54m
Min
5m
Max
109m
Std. dev.
24m
Köppen-Geiger (dominant)
CfaTemperate, no dry season, hot summer(100 %)Temperate

CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)

Soil & lithology

pH H₂O

5,1

Org. C

20,8g/kg

Clay

18,4%

Sand

38,0%

Silt

43,6%

Average over 0-30 cm. Per-depth details in expert panel.

Dominant lithology: wbGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,1
Org. C
41,0g/kg
Clay
16,7%
Sand
39,2%
Silt
44,1%
5–15 cm
pH H₂O
5,1
Org. C
14,8g/kg
Clay
16,8%
Sand
38,9%
Silt
44,3%
15–30 cm
pH H₂O
5,2
Org. C
6,7g/kg
Clay
21,6%
Sand
35,9%
Silt
42,5%

SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)

Land cover

Forest74.5%
Crops4.8%
Built-up0.5%
Bare soil0.3%
Other (grassland, water…)19.9%

Copernicus Global Land Cover 100m (Buchhorn et al. 2020)

Hydrology6 basins · 25 lakes · 40 rivers

Hydrology metrics for this exact territory

Stream length here

393,8km

Lake surface here

6,34km²

Basins crossed

6

Max stream order

5

Max drainage

17 511km²

Discharge in basins

156,5m³/s

Mean precip.

1 586mm/an

Mean T°

19,1°C

Moisture idx

0,10

Max snow

1%

Mean runoff

629mm/an

Mean elev. (basins)

48m

Watersheds crossing here

Lakes (25, top by area)

16 more lakes

Rivers / streams (40, ord ≥ 4)

28 more river segments

Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10

Human pressure

Pop. density

0hab/km²

Night light

0,7nW

Built-up

52,7%

Pesticides

4,8kg/km²

GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)

Protected areas17

IUCN V · 9IUCN Not Assigned · 4IUCN IV · 2IUCN Ib · 2

Old River

IUCN V

State Conservation Area

60 km²

Complete list

WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN