Florida's Environment - Southeast Region
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Florida's Environment - Southeast Region

   

Florida's Environment - Southeast Region1

Martin B. Main and Ginger M. Allen2

Florida's Environment Series

Introduction

Southeast Florida (Fig. 1) has more than 50 percent of the region in conservation lands, which includes the Everglades, the largest and most well known wetland ecosystem in Florida (Table 1 ). Despite these protective measures, few natural areas remain in coastal areas of Dade, Broward, and Palm Beach counties where coastal populations are concentrated. Wetlands in the region have been significantly altered to meet the needs of agriculture and the sprawling urban areas that dominate this region.

CREDITS: UF/IFAS

Figure 1. Southeast Florida region with counties.

Included in this region are the unique Florida Keys, the most tropical of Florida's environments. Tropical hardwood hammocks in the Keys are home to a number of endangered plant and wildlife species. The Keys is also one of the most exciting locations in the country to watch the annual migration of raptors, including falcons.

This document summarizes major rivers, lakes and estuaries, featured natural areas, and cultural aspects of Florida's southeast region. For information on other regions in Florida refer to "The Florida Environment: An Overview", and the other seven regional profiles available online (http://edis.ifas.ufl.edu ).

Major Rivers, Lakes, Wetlands, and Estuaries

The Everglades ecosystem is one of the largest and most unique wetland ecosystems on Earth. Described by Florida writer and environmentalist Marjorie Stoneman Douglas as a "river of grass" due to the vast expanses of saw grass through which surface water traveled to the Gulf of Mexico, the Everglades is far more ecologically complex than this metaphor suggests.

Historically, the Everglades was connected ecologically to the Kissimmee River and Lake Okeechobee and the ecosystem encompassed more than 4,000 square miles. In geologic terms the Everglades is young. It was formed approximately 5,000 years ago when rising sea levels created sufficient pressure to contain freshwater within the shallow bedrock trough in south Florida. For more than 5,000 years seasonal flooding flowed southward through the Everglades in a slow moving sheet up to three feet deep and 50 miles wide, stretching from Lake Okeechobee to the Gulf of Mexico. However, during the last century drainage projects, agriculture, and urban development reduced the extent of the Everglades and modified seasonal flooding critical to the ecosystem. Today, the Everglades is undergoing the largest ecological restoration project ever attempted to restore natural cycles of flooding and drying.

Everglades National Park (ENP) was created in 1934 in response to public pressure to preserve "an untouched example of the Everglades of Florida." At approximately 1.5 million acres, the ENP is the largest subtropical wilderness in the continental United States, and in the top ten of the nation's largest national parks. The ENP is also of international significance, having been designated as a World Biosphere Reserve , a World Heritage Site , and a Wetland of International Importance. It is the only wetland in the western hemisphere to receive these multiple designations.

The Everglades ecosystem includes both the temperate and tropical flora in a widely shifting collection of habitats within a vast wetland landscape that includes smaller upland features. Most of the freshwater area is dominated by saw grass, saw marsh and deeper sloughs, but also includes wet prairie s, ponds, and cypress wetlands. Upland habitats include pine rockland communities on shallow lime rock soils, tropical hardwood hammocks, and tree islands. Tree islands are a unique feature in the Everglades and provide important upland habitats in the wetland landscape. The Everglades drains into Florida Bay along Florida's southern coast, which is dominated by mangroves. Many small islands occur throughout the area.

The Everglades has over 350 species of birds and 50 reptiles. It is home to a variety of mammals , including the endangered Florida panther and American crocodile. Plant life is diverse in the Everglades, with more than 1,000 seed-bearing plants, some of which are found nowhere else.

A number of marshes are hydrologically linked to the Everglades and Lake Okeechobee; the Allapattah Marsh, the Loxahatchee Marsh, the Hungryland Slough, and the Hillsborough Lakes Marsh, together covering over 200,000 acres, all drain into the northern Everglades.

Loxahatchee Marsh, in Palm Beach County, is in the northeastern portion of the Everglades (Fig. 2). As many as 250 species of birds use the Loxahatchee for breeding, foraging, or migratory habitat, including the endangered Everglades snail kite.

CREDITS: UF/IFAS

Figure 2. Southeast Florida's major conservation lands

The Big Cypress Swamp is on the western boundary of the Everglades . Big Cypress is topographically higher than the Everglades, and much of its water historically flowed west into the Everglades. Big Cypress National Preserve (729,000 acres) was created in 1974 to protect the cypress swamps, wet prairies, pine flatwoods, and tropical hardwood hammocks found there. Big Cypress stretches into southwest Florida.

Lake Okeechobee is the only major lake in the southeast region and is the lifeblood for all of south Florida. Lake Okeechobee is approximately 700 mi2 and is the largest lake in Florida and one of the largest freshwater ecosystems in North America. It is unique because of its shallowness (average depth < 15 feet) and expansive littoral zone (shoreline) of approximately 170 mi2. Essentially, Lake Okeechobee is a large shallow depression that receives water primarily from the Kissimmee River, Taylor Creek, and Fisheating Creek basins to the north and northwest. Lake Okeechobee is also a part of the central east region of Florida.

Lake Okeechobee was formed over 6,000 years ago and was historically the liquid heart of the Everglades, providing the primary source of water that fueled the sheet flow that sustained the Everglades and nourished Florida Bay and coastal estuaries. During the late 19th and early 20th centuries, canals and dikes built for flood protection altered the hydrology of the lake, resulting in a much shallower lake with increased nutrients and a littoral zone choked with invasive exotic plants. Despite these challenges, Lake Okeechobee still provides important habitat and foraging opportunities for a wide range of species including bald eagles, wading birds, diving birds, migratory waterfowl, shorebirds, and other species such as river otters and an abundance of reptiles, amphibians, and fish . During wintering periods, hundreds of thousands of migrating waterfowl, shorebirds, and swallows may be observed at Lake Okeechobee.

There are few major rivers in the southeast Region of Florida. Those that do exist have been radically altered by humans. Many rivers have been straightened and made into canals to move water to or from developed and agricultural areas more efficiently. In fact, southeast Florida has one of the most extensive canal systems in the world designed to drain and manage the Everglades and Lake Okeechobee.

The Loxahatchee River drains the Loxahatchee Slough, which is north of and disconnected from the Loxahatchee Marsh. The river drains to the north and runs into the Loxahatchee River Aquatic Preserve and Jupiter Inlet on the Atlantic coast. The Loxahatchee River was designated as Floridas first National Wild and Scenic River. Although it has been extensively diked, channeled, and drained, it still is one of Florida's most beautiful rivers.

The New River is more of a canal than a river for most of its course, from the southeast side of Lake Okeechobee in Palm Beach County to Ft. Lauderdale in Broward County. Only five miles of the river remains in a semi-natural state. The New River was channelized to carry agricultural runoff from the Lake Okeechobee region to the Atlantic Ocean. Many rare and endangered plants and animals historically occurred along the river; most are now gone due to urban development. Manatee, wood storks, and American crocodiles are a few of the larger animals of note remaining in the river basin.

Featured Natural Areas

(see Table 2 for detailed list of natural areas)

Everglades National Park encompasses approximately 1.5 million acres (Fig. 2). Despite this, the park is only a small component of the historical area that formed the greater Everglades ecosystem, which extended from the Kissimmee River to Florida Bay.

Key Largo Hammock Botanical State Park covers 2,304 acres and is one of the largest contiguous tracts of tropical hardwood hammock found in the United States. The hammock is home to 84 protected species of plants and animals. The threatened white-crowned pigeon, unique to south Florida, feeds on tropical fruits such as pigeon plum. Other unusual species include rare tree snails, giant land crabs, and the endangered Key Largo Wood rat.

DuPuis Reserve State Forest encompasses 21,875 acres and represents a remnant of the northern portion of the Everglades. Pine flatwoods, cypress swamps, wet prairies, and freshwater marshes occur on the reserve.

Florida Key Deer National Wildlife Refuge was established on Big Pine Key to protect the endangered Florida Key deer. Upland forests encompass 2,400 acres and include tropical hardwood hammock and pine rockland habitat. The refuge supports 22 federally listed endangered and threatened species of plants and animals, 5 of which are found nowhere else in the world.

Biscayne National Park is in Biscayne Bay and the offshore waters along the Atlantic coast south of Miami in Miami-Dade County, Florida. The park is 95 percent underwater and encompasses almost 173,000 acres, containing about 72,000 acres of coral reefs. Nearly 20 threatened and endangered species live in the park. These species include sea turtles, crocodiles, and manatees.

Florida Keys National Marine Sanctuary includes 3,674 square miles of ocean surrounding the archipelago formed by the Florida Keys. The waters include the world's third largest barrier coral reef system, thousands of acres of seagrasses, and hundreds of miles of mangrove forests, favored habitat of the endangered American crocodile.

John Pennekamp Coral Reef State Park was the first undersea park in the United States. The Park extends 3 miles into the Atlantic Ocean and is approximately 25 miles in length, and was established to protect coral reef, mangrove swamp, and tropical hammock habitat.

Table 2. Recreational and cultural opportunities in natural areas in southeast Florida. (NWR = National Wildlife Refuge, Ntl = National)

County


Natural area


Phone


Web site


Broward/ Palm Beach/ Hendry


Big Cypress Seminole Indian Reservation


(800) 617-7516


http://www.abfla.com/1tocf/seminole


Broward


Cypress Creek/ C14 Canal


(850) 488-4676


http://myfwc.com/fishing/docum/cypr-cr.html


Broward


Crystal Lake Hillsborough Pineland Woodmont Fern Forest


(954) 968-3890

(954) 698-1200

(954) 968-3890

(954) 970-0150


http://www.broward.org/parks/nature.htm


Broward


Everglades Buffer Strip North Mgmt. Area


(800) 432-2045


https://my.sfwmd.gov/portal/page?_pageid=2236,4746587&_dad=portal&_schema=PORTAL


Broward


Graves Museum of Archaeology & Natural History


(954)925-7770



Broward


Hugh Taylor Birch State Park


(954) 564- 4521


http://www.floridastateparks.org/hughtaylorbirch/


Broward


Sawgrass Recreation Park


(800) 457-0788


http://www.evergladestours.com


Broward


West Lake Park


(305) 357-8100


http://www.broward.org/parks/nature.htm


Dade


Arcola Lakes Park


(305) 836-5095


http://www.co.miami-dade.fl.us/parks/parks/arcola_lakes.asp


Dade/

Monroe


Biscayne Bay Aquatic Preserve


(305) 395-3485


http://www.dep.state.fl.us/coastal/sites/biscayne/


Dade


Biscayne National Park


(305) 230-7275
http://www.nps.gov/bisc/index.htm


Dade


Charles Deering Estate



http://www.deeringestate.org


Dade


Dade County Natural areas


(305) 665-5475


http://www.miamidade.gov/parks/library/NAM06-07VolunteerCalendar.pdf


Dade


Everglades National Park


(305) 242-7700


http://www.nps.gov/ever/index.htm


Dade


Historical Museum of Southern Florida


(305)375-1492


http://www.hmsf.org/


Dade


John Pennekamp Coral Reef Park


(305) 451-6322


http://www.pennekamppark.com/


Dade


Southern Glades Trail


(305) 740-9007


https://my.sfwmd.gov/portal/page?_pageid=2236,4746633&_dad=portal&_schema=PORTAL


Dade


Tamiami (C4) Canal


(850) 488-4676


http://myfwc.com/fishing/docum/tamiami.html


Dade


Vizcaya Museum & Gardens


(305) 250-9133


http://www.vizcayamuseum.org/


Martin


Historical Society of Martin County, Elliot Museum


(561) 225-1961


http://www.elliottmuseumfl.org/hsmc/index.html


Martin


Hobe Sound NWR


(561) 546-6141


http://hobesound.fws.gov/index.html


Martin


Jensen Beach / Jupiter Inlet Aquatic Preserve


(561) 873-6590


http://www.dep.state.fl.us/coastal/sites/indianriversouth/


Palm Beach/

Martin


Loxahatchee River- Lake Worth Creek Aquatic Preserve


(561) 873-6590


http://www.dep.state.fl.us/coastal/sites/loxahatchee/


Martin


St. Lucie Inlet St. Park


(561) 744-7603


http://www.floridastateparks.org/stlucieinlet/


Monroe


Bahia Honda Key State Park


(305) 872-2353


http://www.floridastateparks.org/bahiahonda/


Monroe


Big Cypress Ntl Preserve


(941) 695-4111


http://www.nps.gov/bicy/


Monroe


Bill Baggs Cape State Park


(305) 361-8779


http://www.floridastateparks.org/capeflorida/


Monroe


Coupon Bight Aquatic Preserve


(305) 289-2336


http://www.dep.state.fl.us/coastal/sites/coupon/


Monroe


Crocodile Lake Ntl. Wildlife Refuge


(305) 451-4223


http://southeast.fws.gov/CrocodileLake/index.html


Monroe


Dry Tortugas Ntl. Park


(305) 242-7700


http://www.nps.gov/drto/index.htm


Monroe


Everglades Ntl. Park


(305) 242-7700


http://www.nps.gov/ever/index.htm


Monroe


Great White Heron Ntl. Wildlife Park


(305) 872-2239


http://southeast.fws.gov/GreatWhiteHeron/index.html


Monroe


Florida Bay


(305) 242-7801


http://www.aoml.noaa.gov/flbay/


Monroe


Florida Keys National Marine Sanctuary


(305) 292-0311


http://www.fknms.nos.noaa.gov/


Monroe


Key Largo Hammock State Park


(305) 451-1202


http://www.floridastateparks.org/keylargohammock/


Monroe


Key West National Wildlife Refuge


(305) 872-2239


http://southeast.fws.gov/KeyWest/index.html


Monoe


Lignumvitae Key Aquatic Preserve


(305) 289- 2336


http://www.dep.state.fl.us/coastal/sites/lignumvitae/


Monroe


Lignumvitae Key State Botanical Site


(305) 664-2540


http://www.floridastateparks.org/lignumvitaekey/


Monroe


National Key Deer Refuge


(305) 872-2239


http://nationalkeydeer.fws.gov//index.html


Palm Beach


A. R. Marshall Loxahatchee Ntl. Wildlife Refuge


(561) 734-8303


http://loxahatchee.fws.gov/


Palm Beach


Blowing Rocks Preserve


(561) 744-6668


http://nature.org/wherewework/northamerica/states/florida/preserves/art5522.html


Palm Beach


DuPuis Reserve


(561) 924-8021


http://www.myfwc.com/viewing/sites/site-ec18.html


Palm Beach


John D. MacArthur Beach State Park


(561) 624-6950


http://www.floridastateparks.org/macarthurbeach/


Palm Beach


Jonathan Dickinson State Park


(561) 546-2771


http://www.floridastateparks.org/jonathandickinson/


Palm Beach


John Prince Park/ Osborne Chain-Of-Lakes


(561) 967-2248


http://www.pbcgov.com/parks/locations/johnprince.htm

http://myfwc.com/Fishing/forecast/sor.html


Palm Beach


J. W. Corbett Wildlife Management Area


(407) 640-6100


http://myfwc.com/viewing/sites/site-se04.html


Palm Beach


Loxahatchee River Northwest Fork Management Area


(561) 744-9814


https://my.sfwmd.gov/portal/page?_pageid=2236,4746252&_dad=portal&_schema=PORTAL


Palm Beach


Morikami Museum


(561) 495-0233


http://www.morikami.org/


Palm Beach


West Jupiter Wetlands Management Area


(800) 250-4250


https://my.sfwmd.gov/portal/page?_pageid=2294,4946828,2294_4947101&_dad=portal&_schema=PORTAL


Cultural History

The history of southeast Florida is intertwined with the history of the Everglades . The history of the Everglades can be divided into 5 periods:

Early colonial settlers and land developers viewed the Everglades as a worthless swamp in need of reclamation. The dream of draining the Everglades was initiated in the mid 1800s and by the 1880s developers started digging drainage canals. The town of Flamingo was established in 1893. Early tradesman were charcoal makers (charcoal was sold in 100 pound sacks at Key West), boatman, or sugar cane haulers. Supplies were shipped from Key West, Fort Myers or Tampa, and cane syrup, fish , and produce were traded in return. Most residents also fished and hunted for money and food. Heron and egret plume hunting was a major source of cash income at the dawn of the 20th century.

Efforts to drain the region continued and between 1905 and 1910 large tracts of wetlands were transformed into agricultural land. This abundance of "new" land stimulated the first of several south Florida land booms. Railroads constructed by entrepreneurs like Henry B. Plant and Henry M. Flagler made the region more accessible and attractive to tourists. By the 1920s visitors and new residents flocked to blossoming towns like Fort Lauderdale, Miami, and Palm Beach. As they arrived, developers cut more canals, built new roads and removed the natural buffer of mangroves from the shorelines.

In 1948 Congress authorized the Central and South Florida Project, an elaborate system of roads, canals, levees, and water-control structures stretching throughout the region. Constructed by the Army Corps of Engineers, the projects purposes were to supply water and flood protection for urban and agricultural lands, water supply for Everglades National Park, preservation of fish and wildlife habitat, navigation and recreation, and prevention of salt water intrusion. While the project still provides many of the intended benefits, the alteration of regional wetlands, estuaries, and bays coupled with increasing population pressures significantly degraded the natural system.

Additional Sources of Information

Published Material

Allen, G.M. and M.B. Main. 2005. Florida's Geological History. Fact Sheet WEC 189, Department of Wildlife Ecology and Conservation, Florida Cooperative Extension Service, Institute of Food and Agricultural Sciences, University of Florida. http://edis.ifas.ufl.edu .

Brown, L.G. 1993. Totch: A Life in the Everglades. Univ. of Florida Press, Gainesville, FL.

Bucuvalas, T., P. A. Bulger, and S. Kennedy. 1994. South Florida Folklife. Univ. Press of Mississippi, Jackson, MS.

Cerulean, S. and A. Morrow. 1998. Florida Wildlife Viewing Guide. Falcon Publishing. Helena, MT.

Cerulean, S. and A. Morrow. Florida Trails: A Guide to Florida's Natural Habitats. FL Dept. of Commerce. Tallahassee, FL.

Davis, S. M., J. C. Ogden, and W. A. Parks, eds. 1994. Everglades: The Ecosystem and its Restoration. St. Lucie Press, Delray Beach, FL.

Douglas, M. S. 1999. Everglades River of Grass. Pineapple Press, Sarasota, FL.

Gannon, M., ed. 1996. The New History of Florida. Univ. Press of Florida. Gainesville, FL.

Jumper, B. M. 1998. Legends of the Seminoles. Pineapple Press, Sarasota, FL.

Kavanagh, J. ed. 1997. The Nature of Florida: An Introduction to Common Plants & Animals & Natural Attractions (Field Guides Series) Waterford Press, Phoenix, AZ.

Kleinberg, E. 1997. Historical Traveler's Guide to Florida. Pineapple Press, Sarasota, FL.

Laurie M., and D. Bardon. 1998. Florida's Museums and Cultural Attractions. Pineapple Press, Sarasota, FL.

Leslie, C. 1999. Hidden Florida Keys & Everglades, Ulysses Press, Berkeley, CA.

Lodge, T. E. 1994. The Everglades Handbook: Understanding the Ecosystem. St. Lucie Press, Delray Beach, FL.

Main M.B., and G.M. Allen. 2005. Florida State Symbols. Circular 1467, Department of Wildlife Ecology & Conservation, Florida Cooperative Extension Service, Institute of Food and Agricultural Sciences, University of Florida. http://edis.ifas.ufl.edu .

Main M.B. , M.E. Swisher, J. Mullahey, W. DeBusk, A. J. Shriar, G. W. Tanner, J. Selph, P. Hogue, P. Bohlen and G. M. Allen. 2004. The Ecology and Economics of Florida's Ranches. Fact Sheet WEC 187, Wildlife Ecology and Conservation Department, Florida Cooperative Extension Service, Institute of Food and Agricultural Sciences, University of Florida. http://edis.ifas.ufl.edu .

Main M.B., and G.W. Tanner. 1999. Effects of Fire on Florida's Wildlife and Wildlife Habitat. Fact Sheet WEC 137, Department of Wildlife Ecology & Conservation, Florida Cooperative Extension Service, Institute of Food and Agricultural Sciences, University of Florida. http://edis.ifas.ufl.edu .

McGoun, W. E. 1993. Prehistoric Peoples of South Florida. Univ. of Alabama Press, AL.

McPherson, B. F. and R. Halley. 1996. The South Florida Environment. U.S. Geological Survey Circular 1134, Denver CO.

Milanich, J. T. 1998. Florida Indians from Ancient Times to the Present. Univ. of Florida Press, Gainesville, FL.

Milanich, Jerald T. 1995. Florida Indians and the Invasion from Europe. Univ. of Florida Press, Gainesville, FL.

Ohr, T. 1998. Florida's Fabulous Natural Places. World Publications, Tampa, FL.

Perry J., and J. G. Perry 1992. The Sierra Club Guide to the Natural Areas of Florida. Sierra Club Books, San Francisco, CA.

Randazzo, A. F. and D. S. Jones, eds. 1997. The Geology of Florida, Univ. of Florida Press, Gainesville, FL.

Ripple, J. 1997. Florida: The Natural Wonders. Voyageur Press, Osceola, WI.

Simmons, G. and L. Ogden. 1998. Gladesmen. Univ. of Florida Press, Gainesville, FL.

Toops, C. M. 1998. The Florida Everglades. Voyageur Press, Osceola, WI.

Weisman, B. R. 1999. Unconquered People: Florida's Seminole and Miccosukee Indians. Univ. of Florida Press, Gainesville, FL.

Williams, J. and R.Carawan 2000. The Florida Keys: A History & Guide, Random House, New York, NY.

Winsberg, M. D. 1997. Florida's History Through Its Places: Properties in the National Register of Historic Places, Univ. Press of Florida, Gainesville, FL.

Online Resources

Early Settlement of Everglades National Park, http://www.nps.gov/ever/eco/1900.htm
Florida Division of Historical Resources, http://www.flheritage.com/
Florida's Historic Places, http://fcit.coedu.usf.edu/florida/lessons/places.htm
Florida's Museum of Natural History, http://www.flmnh.ufl.edu/
Florida State Parks, http://www.floridastateparks.org
Florida Natural Areas Inventory, http://www.fnai.org
History & Geography of the Florida Everglades, http://www.florida-everglades.com/hiscul.htm
Miami-Dade Parks, Nature Centers & Programs, http://www.metro- dade.com/parks/mpother6.htm
Museum of Florida History, http://dhr.dos.state.fl.us/museum/
Touring the Georgia-Florida Coast, http://www.cr.nps.gov/nr/travel/geo-flor/g-fintro.htm
P.K. Yonge Library of Florida History, http://web.uflib.ufl.edu/spec/pkyonge/index.html
South Florida Water Management District, http://www.sfwmd.gov/
The Seminole Tribe of Florida, http://www.seminoletribe.com/
Visit Florida,
http://www.visitflorida.com
Table 1. Conservation land acreage in Florida's southeast region

County

Conservation Land

% of Total

Broward

428,880

55%

Dade

823,830

77%

Martin

78,870

22%

Monroe

588,640

92%

Palm Beach

448,660

34%

Region Total

2,368,880

55%

Based on 2006 Florida Natural Areas Inventory Managed Conservation Land. Florida State University.



Footnotes

1. This document is Fact Sheet WEC 237, one of the Florida's Environment series of the Department of Wildlife Ecology and Conservation, Florida Cooperative Extension Service, Institute of Food and Agricultural Sciences, University of Florida. Publication date: July, 2007. Please visit the Edis Web site at http://edis.ifas.ufl.edu .

2. Martin B. Main, associate professor, wildlife extension specialist, and Ginger M. Allen, senior biologist, Southwest Florida Research and Education Center, Immokalee, FL; Department of Wildlife Ecology and Conservation, Institute of Food and Agricultural Sciences, University of Florida, Gainesville, FL 32611-0304.


The Institute of Food and Agricultural Sciences (IFAS) is an Equal Opportunity Institution authorized to provide research, educational information and other services only to individuals and institutions that function with non-discrimination with respect to race, creed, color, religion, age, disability, sex, sexual orientation, marital status, national origin, political opinions or affiliations. For more information on obtaining other extension publications, contact your county Cooperative Extension service.

U.S. Department of Agriculture, Cooperative Extension Service, University of Florida, IFAS, Florida A. & M. University Cooperative Extension Program, and Boards of County Commissioners Cooperating. Larry Arrington, Dean.



Copyright Information

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