Lake Ophelia
IUCN IVNational Wildlife Refuge
73 km²
Parish · USA
Evangeline
United States
CfaTemperate, no dry season, hot summer(100 %)
Species observed
2 075
Observations
30 518
Area
1 759,1km²
Ecological tissue
Sample of 38 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 Evangeline : 28 espèces reliées par 73 interactions GloBI sur 4 types (connectance 10.4%, filtre Serrano α=0.2). 10 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
38
Interactions affichées
73
Connectance
0.104
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
2 075 distinct species · 30 518 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
19,5°C
Annual rain
1 597mm
Warmest m°
32,9°C
Coldest m°
6,2°C
Elevation: 22 m on average (min 9 m, max 46 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
19,5°C
Annual rain
1 597mm
Warmest month
32,9°C
Coldest month
6,2°C
Mean alt.
22m
Min
9m
Max
46m
Std. dev.
8m
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
5,7
Org. C
23,9g/kg
Clay
23,0%
Sand
16,6%
Silt
60,3%
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
5,6
Org. C
47,4g/kg
Clay
21,6%
Sand
17,2%
Silt
61,3%
5–15 cm
pH H₂O
5,7
Org. C
16,9g/kg
Clay
22,3%
Sand
16,9%
Silt
60,7%
15–30 cm
pH H₂O
5,7
Org. C
7,5g/kg
Clay
25,2%
Sand
15,8%
Silt
59,0%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest55.5%
Crops20.0%
Built-up0.4%
Bare soil0.6%
Other (grassland, water…)23.5%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology7 basins · 16 lakes · 13 rivers
Hydrology metrics for this exact territory
Stream length here
173,4km
Lake surface here
15,42km²
Basins crossed
7
Max stream order
4
Max drainage
4 053km²
Discharge in basins
43,7m³/s
Mean precip.
1 536mm/an
Mean T°
19,2°C
Moisture idx
0,07
Max snow
1%
Mean runoff
722mm/an
Mean elev. (basins)
28m
Watersheds crossing here
- Bassin de Bayou Nezpiquesub-area861,2 km²overlap809.75 km²46%
- Bassin de Bayou Cocodriesub-area917,5 km²overlap352.04 km²20%
- Bassin de Bayou des Cannessub-area1 863,5 km²overlap341.50 km²19%
- Bassin de Bayou Techesub-area2 204,7 km²overlap88.44 km²5%
- Bassin de Bayou Nezpiquesub-area627,1 km²overlap80.86 km²5%
- Bassin de Bayou Nezpiquesub-area299,9 km²overlap68.45 km²4%
- Bassin de Bayou Boeufsub-area930,2 km²overlap18.05 km²1%
Lakes (16, top by area)
- Lake #13830area6,2 km²avg depth4.5 m
- Millers Lakearea3,2 km²avg depth9.2 m
- Lake Chicotarea1,7 km²avg depth4.9 m
- Crooked Creek Reservoirarea1,3 km²avg depth4.0 m
- Lac 1065608area0,4 km²avg depth1.6 m
- Lac 1065497area0,3 km²avg depth1.5 m
- Lac 1065338area0,3 km²avg depth1.8 m
- Lac 1065222area0,3 km²avg depth2.8 m
- Lac 1065281area0,3 km²avg depth3.4 m
Rivers / streams (13, ord ≥ 4)
- Bayou Nezpiqueord 4len here70.90 km51%total139 km
- Bayou des Cannesord 4len here37.02 km40%total93 km
- Bayou Cocodrieord 3len here13.09 km34%total38 km
- Bayou Taureauord 2len here12.90 km100%total13 km
- Bayou Chicotord 1len here12.25 km100%total12 km
- Bayou Petite Passeord 2len here11.15 km97%total12 km
- Turkey Creekord 2len here8.44 km100%total8 km
- Bayou Carronord 3len here3.07 km12%total25 km
- Caney Bayouord 1len here1.92 km100%total2 km
- McIntosh Bayouord 3len here1.29 km36%total4 km
- Bayou Boeuford 4len here1.10 km1%total118 km
- Hurricane Creekord 1len here0.19 km1%total19 km
1 more river segmentssorted by Strahler order + length
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
0,6nW
Built-up
40,7%
Pesticides
29,3kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas9
IUCN V · 4IUCN Not Assigned · 3IUCN IV · 2
Chicot State Park District II
IUCN VState Park · 1939
26 km²
Agricultural Conservation Easement Program - Wetlands Reserve Easement (ACEP-WRE)
IUCN Not AssignedConservation Easement · 2015
25 km²
Farm Service Agency Interest Of La
IUCN IVNational Wildlife Refuge
13 km²
Wetlands Reserve Program (WRP), Morehouse, LA
IUCN Not AssignedReserve Program
10 km²
Bayou Cocodrie
IUCN VState Wild or Scenic River
4 km²
Complete list9 protected areas
- Lake OpheliaNational Wildlife RefugeIUCN IV73 km²
- Chicot State Park District IIState ParkIUCN V193926 km²
- Agricultural Conservation Easement Program - Wetlands Reserve Easement (ACEP-WRE)Conservation EasementIUCN Not Assigned201525 km²
- Farm Service Agency Interest Of LaNational Wildlife RefugeIUCN IV13 km²
- Wetlands Reserve Program (WRP), Morehouse, LAReserve ProgramIUCN Not Assigned10 km²
- Bayou CocodrieState Wild or Scenic RiverIUCN V4 km²
- Wetlands Reserve Program (WRP), Evangeline, LAReserve ProgramIUCN V20074 km²
- Agricultural Conservation Easement Program - Wetland Reserve Easements (ACEP-WRE), Evangeline, LAConservation EasementIUCN Not Assigned3 km²
- Cocodrie Lake FeeLakeIUCN V19881 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN