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Bufo marinus Cane toad |
Cactoblastis cactorum Cactus moth |
Canis familiaris Feral domestic dog |
Ctenosaura similis Spiny tail iguana |
Hemidactylus garnotti Indo-Pacific gecko |
Hemidactylus mabouia Tropical gecko |
Felis catus Feral domestic cat |
Iguana iguana Green iguana |
Mus musculus House mouse |
Musca domestica House fly |
Osteopilus serpentrionalis Cuban treefrog |
Paratachardina lobata lobata Lobate lac scale |
Psittacidae family Parrots and parakeets |
Rattus rattus Black rat |
Ramphotyphlops braminus Brahminy blind snake |
Saissetia coffeae Hemispherical scale |
Solenopsis invicta Red imported fire ant |
Sturnus vulgaris European starling |
Zachrysia provisoria Cuban tree snail |
EEL Program, Management Plan, Part II – Pine Rockland (DRAFT) _____________________________________________________________________________________________________________________ |
Page 27 |
tree cavities, such as woodpeckers, also make pine rocklands more susceptible to damage |
from these birds. Starlings not only compete with the native birds for tree cavities, but have |
even been observed evicting woodpeckers from their nests to claim the cavity for their own |
(Stevenson and Anderson 1994). |
• Parrots and parakeets – Over twenty species of parrots and parakeets have been observed |
nesting in the wild in South Florida (FWC 2007). Due to their flocking behavior and more |
aggressive mannerisms, they out-compete native birds for both food and space, claiming |
fruits, nuts and tree cavities for themselves (Taylor et al. 2004). In addition, they contribute |
to the spread of exotic plants through seed dispersal (Snyder et al. 1990). While members of |
this family occur in many South Florida habitats, the previously mentioned habits make them |
particularly harmful in pine rocklands where there is a high concentration of native bird |
species that depend upon tree cavities and where management of exotic plants is already |
challenging due to complications related to burning. |
• Lobate lac scale - The lobate lac scale, a scale insect that is native to India and Sri Lanka, |
was found in Broward County in 1999, and has since become widespread in southern Florida. |
The species belongs to the lac scale family, Kerriidae, the best-known species of which is the |
true lac scale insect. The lobate lac scale has been found mostly on woody dicotyledonous |
plants. It infests the woody portions of twigs and small branches and less frequently main |
stems under one inch in diameter. It not usually found on branches or main stems greater |
than approximately one inch in diameter. It has not been observed on foliage. Some woody |
plant species appear to be highly susceptible, including certain natives, e.g., wax-myrtle, |
cocoplum, buttonwood, strangler-fig, myrsine, bay species, and wild-coffee. Lobate lac scale |
is more commonly known for its damage to hammock systems, but it is also a concern in |
pine rocklands due to its preference for certain rare bushes, particularly Florida prairieclover |
and crenulate leadplant. |
3.11 Other Problem Species |
Many native plant species can be considered problem species in pine rocklands. Some native |
species become aggressive and can out-compete other native species when artificial habitat |
changes occur, such as drainage, intense fires, or fire suppression. While these species are native, |
control efforts should still be used when required to maintain desirable ecosystem structure and |
composition. Problem species include cabbage palm, muscadine grape, southern sumac, lacy |
bracken fern, and earleaf greenbrier. |
In addition to the above species, all native hardwoods can be considered problem species in the |
absence of fire. Common hardwoods include live oak, poisonwood, and myrsine. |
Two native plant species that occur in pine rocklands commonly cause dermatitis in sensitive |
people. These are poisonwood and poison-ivy. Both are common pine rockland species. Lower |
densities of both can be achieved by proper management of pine rocklands. Densities of both, |
especially poisonwood, can increase dramatically with fire suppression. |
EEL Program, Management Plan, Part II – Pine Rockland (DRAFT) _____________________________________________________________________________________________________________________ |
Page 28 |
3.12 Pollutants |
Although there are innumerable types of pollutants that could potentially affect EEL pine |
rockland sites, the primary sources of concern are dumping, mosquito spraying, pesticides |
(insecticides, herbicides, fungicides, miticides, nematicides), nutrients, sediments, animal wastes, |
miscellaneous household and industrial chemical wastes, and wind-blown debris. Please refer to |
Part I, Section 5.2.5 of this management plan for details about these potential threats. |
3.13 Cultural Resources |
The potential exists for the presence of Native American artifacts in pine rocklands because |
small game hunting would likely have occurred in such wooded areas and close to rivers. The |
pineland’s higher ground would help protect populations from hurricane-related storm surges. |
There would not, however, likely be a higher probability of evidence of indigenous groups in |
pine rocklands than in hammocks or coastal areas. |
EEL Program, Management Plan, Part II – Pine Rockland (DRAFT) _____________________________________________________________________________________________________________________ |
Page 29 |
4.0 Management Issues |
This section describes the most important issues that require attention for the successful |
management of pine rockland sites. While drafting these guidelines the team paid attention to the |
main goals outlined for pine rockland habitat by the Miami-Dade County Natural Areas |
Management Plan (DERM 1995, USFWS 2000). |
4.1 Acquisition Needs for Remaining Pine Rockland Fragments |
There are few remaining pine rockland fragments in Miami-Dade County that are suitable for |
acquisition. Every attempt should be made by the EEL program to acquire any of these |
remaining pine rocklands before they are developed. However, prior to attempting acquisition |
each site must individually be approved by the Board of County Commissioners for acquisition |
and funding must be in place. Finally, the seller must be willing to sell the property. |
The largest of these fragments occur in the Richmond Pine Rocklands surrounding Miami |
Metrozoo. There are two preserved pine rockland areas here, Larry & Penny Thompson Park and |
Martinez Pineland, both owned by the Parks and Recreation Department. Negotiations are |
currently underway for the EEL program to begin management of pine rockland at Miami |
Metrozoo. There are other areas of high-quality pine rockland, many with populations of |
endangered species, that are suitable for EEL acquisition. These include properties owned by the |
University of Miami, U.S. Coast Guard, and Department of Defense. |
Other owners of significant pine rockland areas in Miami-Dade County include the Miami-Dade |
County School Board, Retreat Construction Corp, Barbara Hampson-Keller, and several other |
private owners. Some of these are probably unwilling sellers. |
Some of the pine rockland fragments that are suitable for acquisition are listed in Table 5. |
Table 5: Pine rockland fragments suitable for acquisition in Miami-Dade County. |
Sites currently listed by the EEL program are marked with an asterisk (*) |
Property Name |
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