Lignumvitae Key State Botanical Site
No Combustion Motor Operation Zones
Monroe County

Location
Lignumvitae Key State Botanical Site is a 280 acre island located 1 mile west of U.S. Highway 1 between upper and lower Matecumbe Keys to the south of Islamorada in the upper Florida Keys (see regional map for John Pennekamp Coral Reef State Park). The Lignumvitae Key Management Area encompasses approximately 10,000 acres and borders Everglades National Park to the west in Florida Bay and extends slightly beyond Indian Key to the east. Seagrass meadows behind the lower end of upper Matecumbe Key and the upper end of lower Matecumbe Key are included in the management area. Seagrass meadows within the park consist predominantly of turtle grass with some manatee and Cuban shoal grass in mixed species beds. Shallow seagrass communities are separated by natural channels carved through these systems by the action of tidally influenced currents. Boaters use these channels extensively.

Date of Seagrass Protection Zone Authorization:
October, 1993

Authorization:
Closing of the areas for seagrass protection occurred concurrently with those for JPCRSP and was authorized under existing Florida state parks legislation. Regulations establishing this authority include, 258.007 (2) F.S., and Sections 62D-2.014(8)(a), F.A.C. and 62D-2.014(16)(b), F.A.C. The former adminstrative rule subsection stipulates that no person shall operate a boat in waters closed by the Division of Recreation and Parks (FDEP). The latter administrative rule subsection states that park management has the authority to partially or entirely close an area to any use for any time period for resource protection.

Wording on Signs:
Signs consist of 3'x3' square metallic signs on breakaway posts that have an orange border around the edges along with an orange circle in the center with a reflective off-white background. Wording on the signs consists of permit numbers (FDEP, ACOE and County), regulatory ordinance numbers (Chapter 62D-2.011, F.A.C.) and "Area Closed to Combustible Motor Operation".

Enforcement:
Enforcement activities are conducted by officers of the Florida Park Patrol and the Florida Marine Patrol.

Enforcement Action:
The enforcement strategy for this State Park is the same as that for JPCRSP and works on a "warn then cite" basis. On the first offense, a written warning citing Careless Operation of the Vessel (violation of 327.33(2), F.S.) and Restricted Areas/Closed (327.46(2), F.S.) is issued. On the second offense, a citation for an infraction of the above referenced state laws is issued. On the third offense, a second degree misdemeanor citation for violation of Chapters 62D-2.014 (8)(a) and 62D-2.014(16)(b) is issued.

History:
Much like the neighboring JPCRSP, seagrass communities in the Lignumvitae Key Management Area were recognized as being extensively damaged by watercraft operation in shallow waters in the mid- to late 1980s. Damage was recognized as being caused by accidental groundings and by commercial and recreational fishermen intentionally accessing these waters in pursuit of their quarry. In 1992, the Governor and Cabinet sitting as the Board of Trustees directed the FDEP Division of Recreation and Parks to develop an interim protection plan to address continued seagrass community damage. State park managers developed a plan focusing on education (brochures, informational signs, and public service announcements), augmented marking of existing access channels, and closure of management area waters to combustion engine powered vessels. In all, approximately 6,000 acres of shallow water containing abundant seagrass was closed to such watercraft on an emergency basis in late 1992 and officially closed on a permanent basis through changes to appropriate regulatory codes in 1993. Boaters can still access these shallow waters in kayaks, canoes, sailing craft, with electric engines, and by poling with engines tilted up and turned off .

Map of Lignumvitae Key Management Area Combustion Engine Exclusion Zones in Monoroe County

Seagrass Protection Report

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