Ontologia

County · USA

Brazoria

United States

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

Species observed

5 161

Observations

1 257 092

Area

3 727,2km²

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 Brazoria : 30 espèces reliées par 72 interactions GloBI sur 3 types (connectance 9.2%, filtre Serrano α=0.2). 10 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
40
Interactions affichées
72
Connectance
0.092
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

5 161 distinct species · 1 257 092 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

1 257 092 obs · 92 cellules
Obs. / cellule
≥ 299 686
22 612–299 685
5 872–22 611
1 984–5 871
< 1 984

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

Climate

Mean T°

21,0°C

Annual rain

1 321mm

Warmest m°

32,3°C

Coldest m°

9,3°C

Elevation: 8 m on average (min -7 m, max 32 m)

Bioclimatic detailsExpert
Annual mean temp.
21,0°C
Annual rain
1 321mm
Warmest month
32,3°C
Coldest month
9,3°C
Mean alt.
8m
Min
-7m
Max
32m
Std. dev.
5m
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

6,4

Org. C

33,3g/kg

Clay

42,3%

Sand

18,2%

Silt

39,5%

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

Dominant lithology: suGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,4
Org. C
52,2g/kg
Clay
41,5%
Sand
18,5%
Silt
40,0%
5–15 cm
pH H₂O
6,4
Org. C
25,7g/kg
Clay
42,2%
Sand
18,3%
Silt
39,5%
15–30 cm
pH H₂O
6,5
Org. C
22,0g/kg
Clay
43,1%
Sand
17,8%
Silt
39,1%

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

Land cover

Forest35.2%
Crops17.4%
Built-up1.4%
Bare soil1.0%
Other (grassland, water…)45.1%

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

Hydrology10 basins · 50 lakes · 47 rivers

Hydrology metrics for this exact territory

Stream length here

750,6km

Lake surface here

74,77km²

Basins crossed

10

Max stream order

6

Max drainage

109 493km²

Discharge in basins

374,5m³/s

Mean precip.

1 224mm/an

Mean T°

20,4°C

Moisture idx

-0,10

Mean runoff

483mm/an

Mean elev. (basins)

15m

Watersheds crossing here

1 more basins

Lakes (50, top by area)

41 more lakes

Rivers / streams (47, ord ≥ 4)

35 more river segments

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

Human pressure

Pop. density

1hab/km²

Night light

5,0nW

Built-up

138,0%

Pesticides

22,2kg/km²

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

Protected areas27

IUCN V · 17IUCN Not Assigned · 5IUCN IV · 4IUCN VI · 1🌊 Marine · 8

Brazoria

IUCN IV

National Wildlife Refuge · 1969

190 km²

Complete list

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