Lacassine National Wildlife Refuge

Location:Louisiana, United States
IUCN Category:VI
Area:28,351 acres (11,473 hectares)
Species:All  Endangered  Invasive
Website:View website
Climate:View Climate Data
Land Use:View Land Use Data
Köppen climate classification:Cfa (Climate: warm temperate; Precipitation: fully humid; Temperature: hot summer)

Ecoregions

Western Gulf Coastal grasslands

Soils

Link to Map
Protected Area Boundary
 AB
   
Share30 %30 %20 %20 %70 %30 %
Soil TypeGleyic PhaeozemsGleyic PhaeozemsEutric RegosolsMollic GleysolsEutric PlanosolsGleyic Luvisols
Topsoil TextureCoarseFineMediumMediumMediumMedium
Reference Depth100 cm100 cm100 cm100 cm100 cm100 cm
DrainagePoorPoorModerately wellPoorPoorPoor
Available Water Capacity100 m150 m150 m150 m150 m150 m
Topsoil Properties
Gravel4 %2 %27 %4 %4 %5 %
Sand77 %11 %47 %38 %42 %42 %
Silt11 %34 %34 %40 %38 %36 %
Clay12 %55 %19 %22 %20 %22 %
USDA TextureSandy loamClayLoamLoamLoamLoam
Reference Bulk Density1.55 g/cm³1.21 g/cm³1.43 g/cm³1.39 g/cm³1.41 g/cm³1.4 g/cm³
Bulk Density1.31 g/cm³1.21 g/cm³1.21 g/cm³1.28 g/cm³1.44 g/cm³1.4 g/cm³
Organic Carbon0.97 %2.78 %0.97 %1.74 %1.06 %0.94 %
PH6.366.46.55.56.1
Clay Cation Exchange Capacity56 cmol kg⁻¹47 cmol kg⁻¹41 cmol kg⁻¹45 cmol kg⁻¹37 cmol kg⁻¹46 cmol kg⁻¹
Soil Cation Exchange Capacity11 cmol kg⁻¹35 cmol kg⁻¹12 cmol kg⁻¹17 cmol kg⁻¹11 cmol kg⁻¹14 cmol kg⁻¹
Base Saturation87 %72 %79 %87 %65 %89 %
Total Exchangeable Bases7.5 cmol kg⁻¹24.4 cmol kg⁻¹15.1 cmol kg⁻¹9.9 cmol kg⁻¹8.4 cmol kg⁻¹9.8 cmol kg⁻¹
Calcium Carbonate0 %0 %0 %0 %0 %0 %
Calcium Sulphate0 %0 %0 %0 %0 %0 %
Exchangeable Sodium0 %2 %1 %2 %3 %1 %
Electrical Conductivity0.1 dS m-10.1 dS m-10.1 dS m-10.1 dS m-10.1 dS m-10.1 dS m-1
Subsoil Properties
Gravel4 %5 %28 %3 %4 %6 %
Sand64 %25 %50 %37 %32 %35 %
Silt11 %31 %32 %35 %32 %32 %
Clay25 %44 %18 %28 %36 %33 %
USDA TextureSandy clay loamClayLoamClay loamClay loamClay loam
Reference Bulk Density1.42 g/cm³1.26 g/cm³1.44 g/cm³1.35 g/cm³1.31 g/cm³1.32 g/cm³
Bulk Density1.42 g/cm³1.23 g/cm³1.46 g/cm³1.36 g/cm³1.39 g/cm³1.59 g/cm³
Organic Carbon0.62 %0.65 %0.4 %0.67 %0.43 %0.28 %
PH6.66.86.976.36.5
Clay Cation Exchange Capacity57 cmol kg⁻¹49 cmol kg⁻¹55 cmol kg⁻¹44 cmol kg⁻¹47 cmol kg⁻¹45 cmol kg⁻¹
Soil Cation Exchange Capacity15 cmol kg⁻¹21 cmol kg⁻¹11 cmol kg⁻¹14 cmol kg⁻¹17 cmol kg⁻¹15 cmol kg⁻¹
Base Saturation87 %98 %85 %94 %85 %96 %
Total Exchangeable Bases11.6 cmol kg⁻¹26.8 cmol kg⁻¹10.3 cmol kg⁻¹11 cmol kg⁻¹15.2 cmol kg⁻¹14.3 cmol kg⁻¹
Calcium Carbonate0 %3.7 %0.1 %0.4 %0 %0 %
Calcium Sulphate0 %0 %0 %0 %0 %0 %
Exchangeable Sodium3 %2 %2 %1 %3 %1 %
Electrical Conductivity0.1 dS m-10.1 dS m-10.1 dS m-10.1 dS m-10.1 dS m-10.1 dS m-1
Soil data provided by FAO/IIASA/ISRIC/ISSCAS/JRC, 2012. Harmonized World Soil Database (version 1.2). FAO, Rome, Italy and IIASA, Laxenburg, Austria.
Köppen climate classification provided by Kottek, M., J. Grieser, C. Beck, B. Rudolf, and F. Rubel, 2006: World Map of Köppen-Geiger Climate Classification updated. Meteorol. Z., 15, 259-263