Ontologia

Independent City · USA

Portsmouth

United States

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

Species observed

1 016

Observations

45 242

Area

92,2km²

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 Portsmouth : 29 espèces reliées par 89 interactions GloBI sur 4 types (connectance 10.9%, filtre Serrano α=0.2). 12 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
41
Interactions affichées
89
Connectance
0.108
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

1 016 distinct species · 45 242 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

45 242 obs · 2 cellules
Obs. / cellule
≥ 27 550
27 550–27 549
27 550–27 549
27 550–27 549
< 27 550

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

Climate

Mean T°

15,6°C

Annual rain

1 223mm

Warmest m°

30,6°C

Coldest m°

1,2°C

Elevation: 3 m on average (min -8 m, max 9 m)

Bioclimatic detailsExpert
Annual mean temp.
15,6°C
Annual rain
1 223mm
Warmest month
30,6°C
Coldest month
1,2°C
Mean alt.
3m
Min
-8m
Max
9m
Std. dev.
2m
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

4,9

Org. C

52,2g/kg

Clay

20,7%

Sand

42,4%

Silt

36,9%

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

Dominant lithology: suGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
4,9
Org. C
77,4g/kg
Clay
19,3%
Sand
43,3%
Silt
37,4%
5–15 cm
pH H₂O
5,0
Org. C
38,1g/kg
Clay
19,6%
Sand
42,9%
Silt
37,5%
15–30 cm
pH H₂O
4,9
Org. C
41,1g/kg
Clay
23,2%
Sand
41,0%
Silt
35,8%

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

Land cover

Forest11.2%
Crops1.8%
Built-up10.2%
Bare soil3.3%
Other (grassland, water…)73.5%

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

Hydrology1 basins · 2 lakes · 5 rivers

Hydrology metrics for this exact territory

Stream length here

8,1km

Lake surface here

3,91km²

Basins crossed

1

Max stream order

3

Max drainage

2 487km²

Discharge in basins

0,2m³/s

Mean precip.

1 147mm/an

Mean T°

14,9°C

Moisture idx

0,00

Max snow

2%

Mean runoff

480mm/an

Mean elev. (basins)

16m

Watersheds crossing here

Lakes (2, top by area)

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

Human pressure

Pop. density

7hab/km²

Night light

30,4nW

Built-up

1 019,4%

Pesticides

14,6kg/km²

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