![]() Phase III of the project included the classification of the high resolution hyperspectral imagery collected in 20 for key focal areas within the larger study area. Analysis of change in landcover and a summary of the spatial relationships between cover types are part of Phase II. Phase II of the project entailed analysis of the classified satellite imagery from Phase I. Miami Oolite rocks / blocks, Coral Rock, Rock Work / Rockscaping, Custom Rock Waterfalls, Landscaping, Hardscaping, Retaining Walls, Cladding, etc. ![]() ![]() The productivity of these communities with regard to fish and wildlife reflects (1) the diversity and type of habitats available to species that are potentially capable of exploiting them, (2) the degree of alteration of these habitats by man and natural forces, and (3) historical, biogeographic and random factors that restrict organisms to specific environments or prohibit them from exploiting a potential = 146 river miles) using Landsat 7 ETM+ satellite imagery. The Florida Keys support almost all of the above communities to some small degree but are characterized by extensive offshore coral reefs. The exposed tips of the mud banks frequently support mangrove or salt prairie vegetation. Florida Bay exhibits oscillating meso- to hypersaline waters over grassbeds on marine lime mud sediments surrounding deeper lake areas. The estuarine and saltwater wetlands support mangrove forests, salt marshes and oscillating salinity systems. The terrestrial and freshwater wetlands support pinelands, sawgrass marshes, wet prairies, sloughs and occasional tree islands. These zones are delineated by differences in basic physical-chemical background factors which in turn promote characteristic ecological communities. This was sep arated by a channel from the main bank on which the Miami oolite was forming or had formed in strongly agitated waters. A conceptual model of the study area identifies four major ecological zones: (1) terrestrial and freshwater wetlands, (2) estuarine and saltwater wetlands, (3) Florida Bay and mangrove islands, and (4) the Florida Keys. bending westward, a barrier coral reef flourished.
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