Calcasieu River
IUCN VState Wild or Scenic River
37 km²
Parish · USA
Calcasieu
United States
CfaTemperate, no dry season, hot summer(100 %)
Species observed
3 023
Observations
241 889
Area
2 831,3km²
Ecological tissue
Sample of 33 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 Calcasieu : 22 espèces reliées par 77 interactions GloBI sur 3 types (connectance 14.6%, filtre Serrano α=0.2). 11 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
33
Interactions affichées
77
Connectance
0.146
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
3 023 distinct species · 241 889 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
19,9°C
Annual rain
1 695mm
Warmest m°
32,3°C
Coldest m°
7,2°C
Elevation: 5 m on average (min -4 m, max 29 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
19,9°C
Annual rain
1 695mm
Warmest month
32,3°C
Coldest month
7,2°C
Mean alt.
5m
Min
-4m
Max
29m
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
5,4
Org. C
29,7g/kg
Clay
22,1%
Sand
24,7%
Silt
53,2%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: suGLiM
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
5,3
Org. C
49,0g/kg
Clay
21,2%
Sand
25,0%
Silt
53,8%
5–15 cm
pH H₂O
5,4
Org. C
22,9g/kg
Clay
21,5%
Sand
25,0%
Silt
53,5%
15–30 cm
pH H₂O
5,4
Org. C
17,1g/kg
Clay
23,8%
Sand
24,0%
Silt
52,2%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest48.1%
Crops10.3%
Built-up1.6%
Bare soil0.7%
Other (grassland, water…)39.4%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology10 basins · 50 lakes · 39 rivers
Hydrology metrics for this exact territory
Stream length here
554,1km
Lake surface here
71,05km²
Basins crossed
10
Max stream order
6
Max drainage
26 054km²
Discharge in basins
511,7m³/s
Mean precip.
1 455mm/an
Mean T°
19,5°C
Moisture idx
0,04
Max snow
1%
Mean runoff
634mm/an
Mean elev. (basins)
15m
Watersheds crossing here
- Bassin de Houston Riversub-area1 982,4 km²overlap733.20 km²26%
- Bassin de Calcasieu Riversub-area623,3 km²overlap608.70 km²21%
- Bassin de Sabine Riversub-area929,2 km²overlap538.75 km²19%
- Bassin de Gulf Intracoastal Waterwaysub-area707,7 km²overlap453.93 km²16%
- Bassin de Bayou Serpentsub-area1 445,4 km²overlap298.51 km²11%
- Bassin de Bell City Drainage Canalsub-area1 480,7 km²overlap145.58 km²5%
- Bassin de Sabine Riversub-area284,5 km²overlap24.89 km²1%
- Bassin de Sabine Riversub-area31,5 km²overlap17.60 km²1%
- Bassin de Calcasieu Ship Channelsub-area924,4 km²overlap9.85 km²0%
1 more basinssorted by overlap
Lakes (50, top by area)
- Calcasieu Lakearea256,3 km²avg depth4.2 m
- Black Lakearea59 km²avg depth1.0 m
- Lake #9532area12,9 km²avg depth1.1 m
- Lake #13904area3,9 km²avg depth1.4 m
- Lake #13911area3,4 km²avg depth1.6 m
- Lake #13915area2,5 km²avg depth0.7 m
- Lake #13924area2,5 km²avg depth1.3 m
- Lake #13901area2,2 km²avg depth1.6 m
- Lake #13914area1,5 km²avg depth0.5 m
41 more lakes
- Lake #13909area1,4 km²avg depth1.1 m
- Lake #13888area1,1 km²avg depth1.8 m
- Clear Maraisarea1,1 km²avg depth1.0 m
- Lake #13912area1 km²avg depth0.9 m
- Lac 1065871area0,9 km²avg depth1.3 m
- Lac 1065958area0,9 km²avg depth2.1 m
- Lac 1065928area0,9 km²avg depth2.4 m
- Lac 1065936area0,8 km²avg depth2.1 m
- Lac 1065950area0,7 km²avg depth1.6 m
- Lac 1065805area0,6 km²avg depth2.8 m
- Lac 1065957area0,6 km²avg depth1.7 m
- Lac 1065981area0,6 km²avg depth1.8 m
- Lac 1065951area0,6 km²avg depth1.5 m
- Lac 1065933area0,5 km²avg depth2.0 m
- Lac 1065956area0,4 km²avg depth2.0 m
- Lac 1065811area0,4 km²avg depth2.1 m
- Lac 1065790area0,4 km²avg depth1.2 m
- Lac 1065879area0,4 km²avg depth2.1 m
- Lac 1065907area0,4 km²avg depth2.2 m
- Lac 1065809area0,4 km²avg depth1.9 m
- Lac 1065934area0,4 km²avg depth2.2 m
- Lac 1065944area0,4 km²avg depth2.1 m
- Lac 1065932area0,3 km²avg depth0.9 m
- Lac 1065917area0,3 km²avg depth1.4 m
- Lac 1065749area0,3 km²avg depth3.2 m
- Lac 1065906area0,3 km²avg depth2.5 m
- Lac 1065782area0,3 km²avg depth1.7 m
- Lac 1065792area0,2 km²avg depth1.5 m
- Lac 1065834area0,2 km²avg depth1.6 m
- Lac 1065898area0,2 km²avg depth1.6 m
- Lac 1065921area0,2 km²avg depth1.9 m
- Lac 1065904area0,2 km²avg depth1.5 m
- Lac 1065940area0,2 km²avg depth1.4 m
- Lac 1065939area0,2 km²avg depth1.7 m
- Lac 1065664area0,2 km²avg depth2.2 m
- Lac 1065799area0,2 km²avg depth2.6 m
- Lac 1065915area0,2 km²avg depth1.7 m
- Lac 1065787area0,2 km²avg depth3.2 m
- Lac 1065778area0,2 km²avg depth2.1 m
- Lac 1065925area0,2 km²avg depth2.0 m
- Lac 1065890area0,2 km²avg depth1.3 m
Rivers / streams (39, ord ≥ 4)
- Calcasieu Riverord 6len here73.71 km27%total271 km
- Houston Riverord 4len here62.84 km100%total63 km
- Sabine Riverord 6len here38.97 km4%total1084 km
- Vinton Drainage Canalord 3len here38.93 km100%total39 km
- Bayou Choupiqueord 3len here32.49 km100%total33 km
- Little Riverord 4len here26.52 km86%total31 km
- Bear Head Creekord 2len here25.45 km46%total55 km
- Black Bayouord 3len here19.66 km83%total24 km
- English Bayouord 2len here17.98 km100%total18 km
- Old Riverord 2len here17.32 km100%total17 km
- Indian Bayouord 2len here16.63 km64%total26 km
- Jacques Couleeord 1len here15.51 km95%total16 km
27 more river segmentssorted by Strahler order + length
- Choupique Cutofford 6len here15.08 km100%total15 km
- Bell City Drainage Canalord 3len here13.22 km20%total65 km
- Persimmon Gullyord 1len here13.12 km100%total13 km
- Bayou Serpentord 3len here9.66 km15%total63 km
- Bayou Arceneauxord 3len here9.52 km52%total18 km
- West Fork Calcasieu Riverord 5len here9.02 km100%total9 km
- Calcasieu Ship Channelord 6len here8.88 km19%total46 km
- Bayou Lacassineord 5len here8.78 km20%total45 km
- Gulf Intracoastal Waterwayord 4len here8.64 km22%total40 km
- Big Bayouord 2len here8.01 km100%total8 km
- Contraband Bayouord 2len here7.05 km100%total7 km
- Spring Gullyord 3len here6.45 km100%total6 km
- Beckwith Creekord 3len here6.42 km47%total14 km
- Little Indian Bayouord 1len here6.18 km100%total6 km
- Gulf Intracoastal Waterwayord 3len here6.01 km16%total37 km
- Hippolyte Couleeord 1len here5.76 km100%total6 km
- Maple Forkord 1len here5.52 km100%total6 km
- Hickory Branchord 3len here5.19 km43%total12 km
- Bayou d'Indeord 1len here4.32 km100%total4 km
- Kinner Gullyord 1len here3.68 km100%total4 km
- Wing Gullyord 2len here3.07 km100%total3 km
- Blackman Bayouord 1len here2.73 km100%total3 km
- Adams Bayouord 2len here0.66 km5%total12 km
- Marsh Bayouord 5len here0.49 km5%total10 km
- West Bayou Lacassineord 3len here0.43 km2%total21 km
- West Sabine Riverord 1len here0.14 km2%total7 km
- Bayou Cheneord 3len here≈ tangenttotal22 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
5,8nW
Built-up
157,4%
Pesticides
9,1kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas8
IUCN V · 7IUCN III · 1🌊 Marine · 2
Lower Neches
IUCN VWildlife Management Area · 1987
32 km²
Tony Houseman
IUCN VWildlife Management Area · 1998
18 km²
Wetlands Reserve Program (WRP), Calcasieu, LA
IUCN VReserve Program · 2012
7 km²
Sam Houston Jones State Park District II
IUCN IIIState Park · 1944
4 km²
Wetlands Reserve Program (WRP), Jefferson Davis, LA
IUCN VReserve Program · 2012
3 km²
Complete list8 protected areas
- Calcasieu RiverState Wild or Scenic RiverIUCN V37 km²
- Lower NechesWildlife Management AreaIUCN V198732 km²
- Tony HousemanWildlife Management AreaIUCN V199818 km²
- Wetlands Reserve Program (WRP), Calcasieu, LAReserve ProgramIUCN V20127 km²
- Sam Houston Jones State Park District IIState ParkIUCN III19444 km²
- Wetlands Reserve Program (WRP), Jefferson Davis, LAReserve ProgramIUCN V20123 km²
- Persimmon GullyPrivate Conservation LandIUCN V19973 km²
- Wetlands Reserve Program (WRP), Calcasieu, LAReserve ProgramIUCN V20111 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN