HydroBASINS lev08 watershed · #7080755110

Bassin de Lacombe Bayou

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 : Jefferson, Orleans, Saint Tammany, Tangipahoa

335% lakePfafstetter: 74100830

Sub-basin area

1 022,2km²

Upstream area

12 405,6km²

Discharge

261,41m³/s

Mean elev.

10m

Administrative coverage

Hydrographic chain

▼ Drains into

Bassin de The Rigolets137 km²

▲ Receives from 2 basins

Bassin de Red Louie Canal275 km²
Bassin de Bayou Chinchuba96 km²

4 dept-equivalent regions (GADM L2)

Saint Tammany
Louisiana · United States
990.7 km²
97.0% of basin
Jefferson
Louisiana · United States
28.8 km²
2.8% of basin
Orleans
Louisiana · United States
1.3 km²
0.1% of basin
Tangipahoa
Louisiana · United States
0.2 km²
0.0% of basin

9 intersecting protected areas

Big Branch Marsh
IUCN V
National Wildlife Refuge
60.77 km² overlap
Big Branch Marsh National Wildlife Refuge
IUCN IV
Marine Protected Area
55.88 km² overlap
Money Hill
IUCN V
Private Conservation Land
12.07 km² overlap
Money Hill
IUCN V
Easement
8.91 km² overlap
Fontainebleau State Park District I
IUCN III
State Park
7.42 km² overlap
Bayou Lacombe
IUCN V
State Wild or Scenic River
1.11 km² overlap
Money Hill
IUCN V
Conservation Easement
0.75 km² overlap
Pearl River
IUCN V
Private Conservation Land
0.10 km² overlap
Cane Bayou
IUCN V
State Wild or Scenic River
0.06 km² overlap

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

Species present

2 685 distinct species · 286 452 observations

Source: GBIF Occurrence snapshot 2026-05-01.

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

RègnesAnimalPlanteChampignonBacterie

RelationsPredationParasitismeSymbiosePollinisation

StatutEn dangerVulnérableProtégéeEndémique

Indicateurs du tissu écologique

Tissu écologique de Bassin de Lacombe Bayou : 26 espèces reliées par 86 interactions GloBI sur 4 types (connectance 11.0%, filtre Serrano α=0.2). 14 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées

Interactions affichées

Connectance

0.110

Patrimoniales

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°

19,5°C

Annual rain

1 537mm

Moisture idx (CMI)

0,07

Runoff

638mm/an

PET

1 423mm

AET

1 180mm

Mean slope

0,3°

Water table

8cm

Forest

55%

Crops

Urban

Protected

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