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The Everglades National Park
Transcript of The Everglades National Park
National Park A Prezi Report by
and Scott Westrick
3rd Hour STEM Science Environmental Information By Nathan Balok Organisms and Trophic Levels by Nathan Balok Abiotic Factors By
Scott Westrick Human Factors By Scott Westrick Food Web by Katelyn Vutci Blue-Green Algae: a Producer
by Nathan Balok The Mink: a Primary Consumer
By Scott Westrick The American Alligator: a Secondary Consumer
By Katelyn Vutci Prezi Format By Katelyn Vutci
Thank you for watching :) As you can see, this food web is extremely complex. The two main decomposers are bacteria and earthworms. They eat dead organic material, so they obtain energy from everything. The producers are the source of all energy in the ecosystem. There are a few apex predators including the American Alligator and the Florida Panther. Nothing but decomposers eat them. Blue-green algae is one of the producers in the
Everglades ecosystem. It has a role in the ecosystem
to provide oxygen for other organisms and food for other organisms. It lives in large blooms in the everglades and any other freshwater area. It gets its food by photosynthesis. Many animals eat it including fish, waterfowl, snails, aquatic insects and insect larvae. Being exposed to it can actually cause allergic reactions. Blue-green algae needs sunlight for food, a good temperature, and water. It provides food for others. Humans try to get rid of it because it makes us sick. That effects the population and the other organisms. The Everglades is a very large swamp located in southern
Florida at 26 degrees north latitude and 81 degrees west longitude. Some of the organisms there include Florida Water Rats, cottonmouth snakes and alligators. A lot people go down to the Everglades just to see the them. This ecosystem gets a large amount of rain during May, June, July, August, September, and October. It is usually a pleasant 80 degrees Fahrenheit with a subtropical climate. It also gets hurricanes and large storms. It's elevation is 20 feet above sea level. It is a vast wetland and any other wetland is similar to the ecosystem. There are large wetlands in every continent except Antarctica. American Alligators live in a variety of habitats, including freshwater wetlands, marshes, swamps, bayous, ponds, rivers, lakes, canals, and very rarely the ocean. The American Alligator has a large role in the Everglades ecosystem. Even though it is an Apex predator, it provides energy for decomposers. It also keeps the populations of it's prey from getting out of balance. American Alligators eat fish, small mammals, birds, turtles, snakes, anoles (a type of lizard), and invertebrates. They have also been known to take down larger prey such as domestic dogs and deer. Alligators can be spotted out of the water on warm days, sitting on a rock, basking in the sun. When they hunt they float stealthily on the surface and only the eyes, nostrils, and ridges of the back are visible. Alligators make many interaction with abiotic factors. As mentioned, they interact with sunlight and temperature, and rocks when sun basking. They are interacting with the water while hunting, eating, and living. They breathe the oxygen in the air, and females use mud and leaves to make nests where they lay up to 60 eggs at a time. Humans have had an impact on the population of alligators. They were once hunted for their skin which was used to make fashionable accessories such as purses, shoes, and belts. They are now protected by state and federal law, and the population is coming back. They can still be hunted in some states, but with strict limits and hunting permits. The Mink's role in its population is to be eaten by what eats it. It lives in bushes and shrubs. It's homes are also near streams and marshes. Its preys are small rodents, fish, frogs, toads, insects, worms, chickens, snapping turtles, salamanders, lizards, beavers, waterfowl, birds, and plant material. Its predators are coyotes, wolves, bears, great-horned owls, bobcats, red foxes, alligators, panthers, and domestic dogs. They tend to mark their territory by spraying a foul-smelling musk, similar to skunks. The human factors on a mink are that they hunted for mink fur. Now most mink fur is from ranches. They did this because minks were heavily hunted. There are also abiotic factors like water for swimming, hunting, and drinking. Soil for traveling and hunting on land. Oxygen to help it breathe and stay alive. Temperature by keeping the water warm enough to swim in and for other animals to come out for minks to eat. Wind by picking up logs and sticks from their burrow and throwing them around. Sunlight by producing energy for the plant material that it eats. The Florida Everglades have many good and bad human factors. I'm going to tell you two of them. One human factor is, water issues. In Florida more people are beginning to settle because they desired land. So they drained the everglades. Then the population grew with the demand of water and agriculture. Another human factor is, structure issues. Water diversion structures have changed how water flows through Florida and the Everglades. It is also making the water dirtier. There are a lot of important abiotic factors in the Everglades ecosystem, one is oxygen. Oxygen is very important. You breathe in oxygen and so do animals. So without it nothing would be alive including you and me. Another abiotic factor is water. Water is also very important. It lets animals like fish and minks swim in it. It also helps animals hunt and travel in it. Animals drink it too.