This presentation is the property of the Connecticut Audubon Society (CAS). This presentation may not be used for any purpose other than originally intended.

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Presentation transcript:

This presentation is the property of the Connecticut Audubon Society (CAS). This presentation may not be used for any purpose other than originally intended. The intention of this presentation is for teachers to use it as an introduction to the Connecticut Audubon Society in preparation for their students’ participation in the CAS’s Science in Nature education programs.

Wetland Ecology Science in Nature

This presentation is designed to help you prepare for your trip to Connecticut Audubon Society’s Larsen Sanctuary. Before we get started, make sure you have your Wetland Ecology Journal ready so that you can answer questions in the journal as we go along The answers to the questions on page 2 of your journal are in this presentation, so pay close attention. DON’T FORGET to bring your journal with you to Audubon!

What is a Wet land? Wetland?

A wetland is an area where the ground is saturated by water year round or part of the year. Wetland = Wet - land! Wetlands

Ecology – the study of the interactions between organisms and their environment Wetland ecology Wetland – A habitat characterized by saturated soils year round (or seasonally) “Eco” = Greek for “house”, environment

Wetland Ecology Putting it together the study of all of the interactions between wetland organisms and their surroundings, including soils, the water, etc.

lakeshorepreserve.wisc.edu ko/StreamByFalls.html building.com/natural_swimming_ponds heritage/vernal-pools/ Swamp Pond Stream Vernal Pool Marsh Types of wetlands

Flood control ct.gov/Inlands%20Website%20info.htm Ecosystem services ng.com/wetlands- homeowner.html Refills ground waters Food source Filters pollutants

Wetland threats Nutrient pollution

Wetland threats Sediment pollution

Wetland threats Thermal pollution Photo: Morgan Kaolian AEROPIX

Wetland threats Filling and building

How would you test the health of a wetland?

pH Agriculture = nutrients = change in pH Ideal pH: Air pollution = acid rain = decreased pH

Dissolved oxygen ol/galapagos/g52a_water.html

Water temperature Increased water temp = decreased DO Ideal temps for animals: 4°C - 22°C (34°F - 72°F) Thermal pollution

Bioindicators

You’ll be a wetland scientist at the Larsen Sanctuary!

1. Compare the water quality at 4 different wetland habitats 4. Use your problem solving skills to create wetland solutions 2. Discuss why it is important to understand wetlands and their threats 3. Learn what you can do to protect our wetlands At CAS, you will…

1.Lots 1.Lots of teamwork! 3. You will spend over 2 hours in nature, exploring and investigating What to expect2. Lots of sharing what you think about wetlands, nature, etc.

How to prepare for your trip to CAS

Wear long pants Wear close-toed shoes that can get dirty Wear a jacket or rain coat to keep warm & dry Be a prepared scientist Bring at least one pencil Bring a bottle of water Bring a snack for the hike (fruit, granola bar) Bring your Wetland Ecology Journal

Be a prepared scientist Long pants Close-toed shoes Jacket or rain coat Pencils Water Snack -old-grass-stained-lawn-mower-worn-out- sneaker.html erkay/2011/03/23/microsoft- may-have-to-sharpen-its-pencil/ granola-bars.html servation/15-excellent-sigg- reusable-water-bottle-designs/ Journals

See you soon!!! © Howard Eskin