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The Atchafalaya Basin is the largest bottomland hardwood swamp left in North America, and one of the most feral-hog-saturated landscapes in the country. Here, dense cover and near-impossible access have turned a management problem into something closer to a permanent ecological condition.

In the cattle country west of Lake Okeechobee, in the very headwaters of the Everglades, Florida carries one of the densest feral-hog populations in the nation, second only to Texas. This synthesis follows the wild hog into the Central Ranch Belt: how rooting degrades the dry-prairie wetlands that feed Lake Okeechobee, how it threatens imperiled prairie wildlife from the sandhill crane to the crested caracara, and how the hog sits at a disease fence line with a major cattle i

Look past the shooting stations and a sporting clays course is often something else: a working landscape. Many Southern clays venues — especially those tied to plantations and preserves — sit on land managed with prescribed fire, native grasses, and longleaf pine. This synthesis reads the upland ecology beneath them: the fire-built longleaf savanna, the bunchgrass fields, the bobwhite and turkey they hold, and the working-lands conservation that shooting helps fund.

The water a kayak can reach — ankle-deep tidal creeks, grass flats, and cypress backwaters — is some of the most ecologically important in the Southeast. The shallows are the nursery for young redfish, seatrout, and flounder, the refuge from bigger predators, and the marsh edge where the food web turns over. This synthesis covers the shallow-water ecology of the region's most accessible waters: the habitats, the fish, and why these zones are first lost to bulkheads, boat wake

Off the Southeast's beaches the water turns blue, and a different ecosystem takes over. This synthesis covers the offshore and bluewater habitats of the Gulf of Mexico and South Atlantic: the Loop Current and Gulf Stream that act as warm-water highways, the Sargassum weed lines that nurse young fish, the oil platforms and artificial reefs that concentrate life, and the billfish, tuna, mahi, and reef fish that live there — plus the fishery management that governs them.

No animal is remaking the Southeast faster than the wild hog. Descended from Spanish colonial livestock and Eurasian wild boar stocked for hunting, feral Sus scrofa now numbers in the millions — rooting up farmland and forest, eating the eggs of ground-nesting birds, and carrying disease. This synthesis covers the invasion biology: where the hogs came from, why their breeding makes them impossible to remove, the damage they do, and the choice between eradication and endless c

The Southeast holds cold water in a warm region two ways: in the high Appalachian headwaters where native brook trout survive, and in the artificial tailwaters below big dams, where cold bottom-release water grows rainbow and brown trout far south of their natural range. This synthesis covers both coldwater worlds — the engineered tailwater, the imperiled native brook char, the introduced trout that displaced it, the invertebrate food base, and the restoration holding the lin

The striped bass leads a double life in the Southeast. It is a native anadromous fish — an ocean migrant that runs up coastal rivers to spawn — and a stocked reservoir transplant that cannot reproduce in the lakes it now anchors. This synthesis covers both: the spawning ecology, the thermal-oxygen squeeze of a cool-water fish in warm reservoirs, the landlocked populations and their hybrid, and a split conservation story — a coastal stock in trouble and a hatchery-built reserv

The black bass of the Southeast — largemouth, smallmouth, spotted, and Alabama bass — divide the region's freshwaters by temperature, clarity, and current: largemouth in warm vegetated lowlands, smallmouth in cool clear rock, spotted and Alabama bass in between. This synthesis covers the genus's taxonomic upheaval, how the species partition habitat, the reservoir-and-shad food system, nest-guarding reproduction, and the Alabama bass invasion erasing native smallmouth.

The estuaries of the Southeast — from the Chesapeake Bay to the Texas Laguna Madre, across more than 30,000 miles of tidal shoreline — are among the most productive ecosystems on Earth, the nursery for most of the region's coastal fish and shellfish. This synthesis covers the inshore-saltwater system: the marsh-grass detrital engine that feeds it, the three kinds of estuary, the marsh-mangrove-seagrass-oyster habitats, the keystone species, and the threats reshaping the coast

The American black bear is one of the Southeast's quietest conservation successes — recovered from early-1900s remnants to a regional population now estimated above 55,000, from the southern Appalachians to the Okefenokee and Big Cypress. This synthesis covers the ecology: the island-population structure and its recolonization, the mast-driven seasonal cycle and denning gradient, the large-landscape habitat and corridor needs, and the recovery-and-conflict arc at the suburban

Invasive species are remaking the Southeastern outdoors — but the honest 2026 picture separates the genuinely destructive from the over-hyped. This field report covers the worst current invaders, from Burmese pythons and jumping silver carp to lionfish, feral hogs, hydrilla and the bald-eagle disease it carries, and the forest pests warming trout streams — with the current outlook and how each is hurting the environment, the operators, and the tourism economy.

The Mississippi Flyway handles an estimated 40 percent of North America's duck and goose migration -- more waterfowl than any other flyway on the continent. This synthesis covers flyway structure from the prairie pothole breeding grounds through the Gulf Coast wintering grounds, the four food systems of the MAV, Louisiana's 2,000-square-mile coastal land loss, and the climate-driven migration shift redistributing birds northward.

The white-tailed deer is the most widely distributed large mammal in the southeastern United States and a keystone herbivore whose browsing pressure shapes forest understory composition across eleven states. This synthesis covers population ecology from near-extirpation through restoration to today's management challenges: CWD emergence, coyote-driven fawn mortality, the soil-antler connection, and rut timing variation from October in Virginia to January in South Florida.

The southeastern United States is one of the most biologically rich temperate regions on Earth -- holding roughly 550 freshwater fish species, the highest salamander diversity of any region in the world, and a convergence of ecoregions that has no parallel in the Northern Hemisphere.