Ontologia

HydroBASINS lev08 watershed · #7080048340

Bassin de Gulf Intracoastal Waterway

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 2 administrative regions : Brazoria, Matagorda

Coastal basin 77% lakePfafstetter: 75170003

Sub-basin area

190,5km²

Upstream area

190,5km²

Discharge

0,06m³/s

Mean elev.

4m

Administrative coverage

2 dept-equivalent regions (GADM L2)

7 intersecting protected areas

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

Species present

1 135 distinct species · 173 087 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

173 087 obs · 6 cellules
Obs. / cellule
≥ 134 243
134 243–134 242
24 742–134 242
9 228–24 741
< 9 228

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

Ecological tissue

Sample of 35 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 Gulf Intracoastal Waterway : 25 espèces reliées par 68 interactions GloBI sur 3 types (connectance 11.4%, filtre Serrano α=0.2). 10 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
35
Interactions affichées
68
Connectance
0.114
Patrimoniales
0
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°

20,8°C

Annual rain

1 276mm

Moisture idx (CMI)

-0,05

Runoff

486mm/an

PET

1 340mm

AET

1 070mm

Mean slope

0,1°

Water table

9cm

Forest

52%

Crops

12%

Urban

0%

Protected

65%

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