Jean Lafitte National Historical Park and Pres National Historical Park
IUCN VMarine Protected Area · 1978
88 km²
Parish · USA
Saint Landry
United States
CfaTemperate, no dry season, hot summer(100 %)
Species observed
3 303
Observations
86 967
Area
2 427km²
Ecological tissue
Sample of 34 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 Saint Landry : 21 espèces reliées par 71 interactions GloBI sur 3 types (connectance 12.7%, filtre Serrano α=0.2). 13 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
34
Interactions affichées
71
Connectance
0.127
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
3 303 distinct species · 86 967 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
19,6°C
Annual rain
1 655mm
Warmest m°
32,7°C
Coldest m°
6,4°C
Elevation: 11 m on average (min 1 m, max 22 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
19,6°C
Annual rain
1 655mm
Warmest month
32,7°C
Coldest month
6,4°C
Mean alt.
11m
Min
1m
Max
22m
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
6,0
Org. C
26,0g/kg
Clay
29,4%
Sand
6,3%
Silt
64,3%
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
6,0
Org. C
51,9g/kg
Clay
28,3%
Sand
6,7%
Silt
65,0%
5–15 cm
pH H₂O
6,0
Org. C
17,1g/kg
Clay
28,9%
Sand
6,4%
Silt
64,7%
15–30 cm
pH H₂O
6,1
Org. C
9,0g/kg
Clay
30,9%
Sand
5,9%
Silt
63,3%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest46.5%
Crops24.3%
Built-up0.8%
Bare soil0.3%
Other (grassland, water…)28.1%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology9 basins · 9 lakes · 26 rivers
Hydrology metrics for this exact territory
Stream length here
449,7km
Lake surface here
2,64km²
Basins crossed
9
Max stream order
4
Max drainage
4 053km²
Discharge in basins
72,3m³/s
Mean precip.
1 515mm/an
Mean T°
19,4°C
Moisture idx
0,07
Max snow
1%
Mean runoff
735mm/an
Mean elev. (basins)
15m
Watersheds crossing here
- Bassin de Bayou Techesub-area2 204,7 km²overlap761.62 km²31%
- Bassin de Grand Bayousub-area1 885 km²overlap572.12 km²24%
- Bassin de Bayou des Cannessub-area1 863,5 km²overlap404.40 km²17%
- Bassin de Atchafalaya Riversub-area1 611,4 km²overlap271.56 km²11%
- Bassin de Darbonne Bayousub-area164,9 km²overlap164.77 km²7%
- Bassin de Bayou Boeufsub-area930,2 km²overlap111.40 km²5%
- Bassin de Bayou Cocodriesub-area917,5 km²overlap83.42 km²3%
- Bassin de Atchafalaya Riversub-area139,6 km²overlap32.94 km²1%
- Bassin de Bayou Queue de Tortuesub-area1 073,3 km²overlap24.68 km²1%
Lakes (9, top by area)
- Lake #13830area6,2 km²avg depth4.5 m
- Lac 1065585area0,9 km²avg depth2.4 m
- Lac 1065422area0,8 km²avg depth2.8 m
- Lac 1065590area0,2 km²avg depth2.2 m
- Lac 1065647area0,2 km²avg depth2.4 m
- Lac 1065633area0,2 km²avg depth2.2 m
- Lac 1065606area0,1 km²avg depth2.5 m
- Lac 1065602area0,1 km²avg depth2.1 m
- Lac 1065597area0,1 km²avg depth2.1 m
Rivers / streams (26, ord ≥ 4)
- Atchafalaya Riverord 4len here76.50 km41%total188 km
- Bayou Waukshaord 2len here46.27 km80%total58 km
- Bayou Boeuford 4len here37.21 km31%total118 km
- Bayou Petite Prairieord 3len here32.56 km88%total37 km
- Darbonne Bayouord 3len here30.32 km100%total30 km
- Bayou Courtableauord 4len here29.73 km100%total30 km
- Bayou Carronord 3len here22.15 km88%total25 km
- Bayou Malletord 3len here21.86 km37%total59 km
- Coulee Rougeord 4len here21.43 km100%total21 km
- Bayou Rougeord 3len here18.79 km50%total37 km
- Courtableau Bayouord 2len here13.43 km100%total13 km
- Bayou Portageord 2len here13.22 km100%total13 km
14 more river segmentssorted by Strahler order + length
- Bayou Cocodrieord 3len here10.34 km27%total38 km
- Bayou des Cannesord 4len here10.08 km11%total93 km
- Bayou Little Techeord 4len here9.56 km100%total10 km
- Bayou Del Puentord 1len here9.33 km100%total9 km
- Becasse Sloughord 3len here7.84 km100%total8 km
- Negro Foot Bayouord 3len here7.67 km100%total8 km
- Dick Bayouord 3len here6.45 km100%total6 km
- Bayou Jackord 2len here6.43 km76%total8 km
- Bayou Carencroord 2len here5.85 km31%total19 km
- Jims Bayouord 1len here3.91 km100%total4 km
- Bayou Chenevertord 3len here3.53 km100%total4 km
- Little Darbonne Bayouord 1len here3.45 km100%total3 km
- Prairie Baasse Couleeord 1len here1.46 km100%total1 km
- Bayou Petite Passeord 2len here0.36 km3%total12 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
1,5nW
Built-up
75,5%
Pesticides
33,2kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas9
IUCN V · 6IUCN Not Assigned · 2IUCN IV · 1🌊 Marine · 2
Jean Lafitte National Hist
IUCN VNational Historical Park · 1978
67 km²
Wetlands Reserve Program (WRP), St. Landry, LA
IUCN VReserve Program · 1993
59 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
Agricultural Conservation Easement Program - Wetland Reserve Easements (ACEP-WRE), St. Landry, LA
IUCN VConservation Easement
7 km²
Complete list9 protected areas
- Jean Lafitte National Historical Park and Pres National Historical ParkMarine Protected AreaIUCN V197888 km²
- Jean Lafitte National HistNational Historical ParkIUCN V197867 km²
- Wetlands Reserve Program (WRP), St. Landry, LAReserve ProgramIUCN V199359 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
- Agricultural Conservation Easement Program - Wetland Reserve Easements (ACEP-WRE), St. Landry, LAConservation EasementIUCN V7 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
- Emergency Watershed Protection Program - Floodplain Easement (EWPP-FPE), St. Landry, LAWatershed ProtectionIUCN V20003 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN