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The Indian River Lagoon. It’s not really a river! It’s actually a LAGOON, which is a shallow body of water protected from the ocean by barrier islands. An Estuary. The Indian River Lagoon is also an estuary. An estuary is a body of water where fresh and salt water meet and mix.

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The indian river lagoon

The Indian River Lagoon

It’s not really a river! It’s actually a LAGOON, which is a shallow body of water protected from the ocean by barrier islands.


An estuary
An Estuary

  • The Indian River Lagoon is also an estuary. An estuary is a body of water where fresh and salt water meet and mix.

  • Freshwater enters the estuary through rivers, creeks and canals.

  • Salt water enters from the ocean through inlets, or narrow openings between barrier islands.


Full of life
Full of Life!

  • Estuaries are full of life, and the Indian River Lagoon is no exception.

  • The lagoon mangroves, marsh grasses and sea grasses provide food and shelter for a large variety of organisms.

  • More than 4,300 species of plants and animals live in the Indian River Lagoon.

  • And did you know that one-third of all manatees in the United States make their home in the lagoon?!


More life
More life…

  • Many of the fish, shrimp and shellfish (for example, clams and oysters) that are important to Florida’s economy must spend part of their lives in an estuary.

  • Shrimp, for example, spawn, or produce eggs, offshore as adults. The eggs hatch in the ocean and the larvae move toward shore. The young shrimp that survive this hazardous journey from the sea enter the estuary and hide among the sea grasses and algae. As the shrimp become adults, they leave the estuary and return to the sea, where the cycle begins again.


A life cycle
A life cycle

  • Striped mullet have a similar life cycle. Adults spawn offshore and young baby fish move into the estuary. In the winter they gather in groups called schools and return to the ocean to spawn.

  • During this journey they become food for birds and ocean fish. Thus, the benefits of the estuary are far reaching!


A very important resource
A Very Important Resource!

  • In fact, the value of estuaries has reached all the way to Washington, D.C. Congress has declared it is in our nation’s best interest to protect and preserve our estuaries – an important but threatened resource.

  • There are many different ways we can enjoy the lagoon, such as boating, fishing, bird-watching or viewing a spectacular sunset!


Why is it important
Why is it Important?

  • The lagoon is an important part of many people’s lives.

  • However, the delicate balance of life that exists along the shoreline and underwater goes unnoticed by the majority of people using the lagoon.

  • This delicate balance of life which makes the lagoon so productive is being threatened by pressures from Florida’s increasing population.

  • The purpose of our lesson today is to help you gain a better understanding of the Indian River Lagoon and the interdependence of its plants and animals.

  • Knowledge of its valuable resources is vital, for you will soon be the ones managing it.


Bingo time

Algae

Estuary

Barrier Islands

Coastal

Inlet

Lagoon

Shellfish

Spawn

Organisms

Species

Life Cycle

Larvae

Bingo Time!


National standards of education
National Standards of Education

Our presentation meets the National Standards of Education because it meets the following Science Teaching Requirements, which we have read and understand:

  • OCR for page 28--> “In the vision of science education portrayed by the Standards, effective teachers of science create an environment in which they and students work together as active learners. While students are engaged in learning about the natural world and the scientific principles needed to understand it.”

  • OCR for page 29--> “STUDENT UNDERSTANDING IS ACTIVELY CONSTRUCTED THROUGH INDIVIDUAL AND SOCIAL PROCESSES. In the same way that scientists develop their knowledge and understanding as they seek answers to questions about the natural world, students develop an understanding of the natural world when they are actively engaged in scientific inquiry—alone and with others.”

  • OCR for page 31

  • --> “SELECT TEACHING AND ASSESSMENT STRATEGIES THAT SUPPORT THE DEVELOPMENT OF STUDENT UNDERSTANDING AND NURTURE A COMMUNITY OF SCIENCE LEARNERS .”


Sources
Sources

  • http://sjr.state.fl.us/programs/outreach/pubs/order/pdfs/ab_irl.pdf

  • http://books.nap.edu/books/0309053269/html/27.html

  • http://www.visitflorida.com/planning/maps/state-3.pdf

  • http://fermi.jhuapl.edu/states/avhrr/FL_sst.n14.97jan21_0800.gif

  • http://www.dep.state.fl.us/evergladesforever/news/2004/0407.htm

  • http://www.dep.state.fl.us/coastal/sites/indianrivernorth/info.htm


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