Adaptation of Organisms in Local Ecosystems

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Presentation transcript:

Adaptation of Organisms in Local Ecosystems -species and habitat -economic importance -effects of Nature and Humans

Found in all ecosystems

Local Ecosystems Mangrove Swamp – Prospect Ridge, South Beach Coral Reef- Sea Gardens Sandy Beach- Taino Beach, Saunders Beach Rocky Shore-Delaporte Point, Goodman’s Bay Broad Leaf Coppice – around campus, “bush” Pine Barrens – Carmichael Road, Grand Bahama

Mangrove Swamp Lucayan National Park- Grand Bahama

Coral Reef

Sandy Beach Taino Beach - Bahamas

Rocky Shore North Shore - Great Inagua Bimini Bay

Broad Leaf Coppice

Pine Barrens

Purpose of Mangrove Swamp Protects the shoreline Provides nursery for organisms of the coral reef Source of food organisms

Conditions in the Mangrove Swamp High temperature High humidity Salinity High light intensity – bright sunlight

Mangrove succession Red mangrove Black mangrove White Mangrove Buttonwood Mature forest

Adaptations of Red Mangrove propagule Prop roots

Adaptations of Black Mangrove pneumatophore

Adaptations of the White Mangrove Salt secreting glands

Animals of the Mangrove Swamp Cassiopeia

Economic importance of Mangrove Swamp Nursery for organisms of coral reef –fish Protects shoreline ecotourism

Effects of Nature Natural threats to mangroves include hurricanes, root clogging from increased water turbidity, and damage from boring organisms and parasites.

Effects of Humans Human impacts on mangroves have been severe in some places, and include dredging, filling, diking, oil spills, and runoff of human waste and herbicides. Some coastal development results in total loss of habitat.

Conditions of the Coral Reef Water temperature Salinity Sunlight

Purpose of the Coral Reef Food source Place of refuge habitat Coral reefs are among the most productive naturally-occurring ecosystems found on earth.

Structure of the Coral Reef Feeding coral – tentacles extended

Adaptation of Organisms of the Coral Reef Schooling-protection Coral polyps - attachment Symbiosis – cleaning station Toxins - protection Camouflage - protection Immunity -protection

Economic Importance of the Coral Reef Food source Tourism destination-water based activities -wildlife interactions Shoreline protection

Effects of Humans on the Coral Reef -over-fishing; breaking off pieces of coral -increased sedimentation from soil erosion from poorly managed logging operations; -eutrophication from fertilizers and pesticides washed off land-based crops; -chemical toxins released into the seas either accidentally or on purpose.

Eutrophication

Summary - I Local Ecosystems Unique conditions of Mangrove Swamp and Coral Reef Adaptation of Organisms Economic Importance Effects of Nature and Humans