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Plankton Station

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Information about Plankton Station
Education

Published on February 19, 2009

Author: cmcrissman

Source: slideshare.net

Description

Learn how to teach the Plankton Station aboard the Schoolship and how to identify live zooplankton.
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INLAND SEAS EDUCATION ASSOCIATION “ Protecting the Great Lakes through Education” Plankton Station

Plankton Station Learning Objectives Identify the collection device used to sample plankton. Define phytoplankton as suspended plants & zooplankton as suspended animals. Recognize plankton as the basis of the aquatic food web. Describe the trophic (feeding) relationships among phytoplankton, zooplankton, & fish. Identify zooplankton seen on the video monitor & record their findings. Students will be able to:

Identify the collection device used to sample plankton.

Define phytoplankton as suspended plants & zooplankton as suspended animals.

Recognize plankton as the basis of the aquatic food web.

Describe the trophic (feeding) relationships among phytoplankton, zooplankton, & fish.

Identify zooplankton seen on the video monitor & record their findings.

Plankton Plankton are microscopic plants & animals that are free-floating or suspended in the water

Plankton are microscopic plants & animals that are free-floating or suspended in the water

Plankton Plant plankton Animal plankton = Phytoplankton = Zooplankton

Plankton Plankton are the basis of the aquatic food web

Plankton are the basis of the aquatic food web

What is a Food Web? A food web describes the feeding relationships between different organisms

A food web describes the feeding relationships between different organisms

Feeding Relationships Producers: organisms that produce their own food through photosynthesis using sunlight & nutrients Consumers: organisms that cannot produce their own food (need to consume another organism to obtain energy) Decomposers: organisms that break down organic material

Producers: organisms that produce their own food through photosynthesis using sunlight & nutrients

Consumers: organisms that cannot produce their own food (need to consume another organism to obtain energy)

Decomposers: organisms that break down organic material

The Great Lakes Food Web SUN Zooplankton Large Fish (Piscivores) Phytoplankton Forage Fish Benthos Detritus

 

Contaminants in the Great Lakes Food Web Source: EPA Great Lakes National Program Office

Bioaccumulation Bioaccumulation refers to the accumulation of contaminants in the tissues of organisms Many contaminants are hydrophobic (they prefer to be in the lipids/fats of an organism rather than in water) & are taken up in the fatty tissues of organisms

Bioaccumulation refers to the accumulation of contaminants in the tissues of organisms

Many contaminants are hydrophobic (they prefer to be in the lipids/fats of an organism rather than in water) & are taken up in the fatty tissues of organisms

Bioconcentration Source: EPA Great Lakes National Program Office

 

Diel vertical migration Shallow waters at night Deep waters during the day … in response to changing light intensity Why? Metabloic advantage Predator avoidance

Why?

Metabloic advantage

Predator avoidance

 

 

 

 

 

Logistics Check to make sure the micro-video system is working Begin by discussing how the plankton were collected, where plankton fit into the food web, etc. Students put several drops of the sample on a petri dish (the smaller the better) Since the boat & plankton are moving & this station is below deck, students may get seasick Let the lead instructor know & they will take the student on deck for a break

Check to make sure the micro-video system is working

Begin by discussing how the plankton were collected, where plankton fit into the food web, etc.

Students put several drops of the sample on a petri dish (the smaller the better)

Since the boat & plankton are moving & this station is below deck, students may get seasick

Let the lead instructor know & they will take the student on deck for a break

 

COPEPODS Calanoid Copepod Cyclopoid Copepod

Source: NOAA Great Lakes Environmental Research Laboratory Calanoid Copepod

Cyclopoid Copepods Sources: NOAA Great Lakes Environmental Research Laboratory

Sources: NOAA Great Lakes Environmental Research Laboratory

Harpacticoid Copepod Source: USGS Nonindigenous Aquatic Species Database

Copepod nauplius/nauplii COPEPODS

Copepod nauplius Source: Micrographia

CLADOCERANS Bosmina Daphnia

Bosmina Source: Central Michigan University

Daphnia Sources: Advancing the Science of Limnology and Oceanography (left); NOAA Great Lakes Environmental Research Laboratory (right)

CLADOCERANS Chydorus

Chydorus Source: Central Michigan University

Leptodora CLADOCERANS Polyphemus Source: Central Michigan University

ROTIFERS Asplanchna Keratella Colonial Rotifer

Asplanchna Source: Micrographia

Keratella Source: Advancing the Science of Limnology and Oceanography

Colonial rotifer

MYSIDS Mysis relicta (opossum shrimp)

Mysis relicta Source: NOAA Great Lakes Environmental Research Laboratory

EXOTIC SPECIES Bythotrephes longiramus (spiny water flea)

Source: NOAA Great Lakes Environmental Research Laboratory Bythotrephes

EXOTIC SPECIES Cercopagis pengoi (fish hook water flea)

Cercopagis Bythotrephes Source: NOAA Great Lakes Environmental Research Laboratory

ZEBRA MUSSELS Veliger Adult Source: NOAA Great Lakes Environmental Research Laboratory (right)

Zebra mussel veliger Source: NOAA Great Lakes Environmental Research Laboratory

Bloody Red Shrimp Hemimysis anomala Source: NOAA Great Lakes Environmental Research Laboratory

Seasonal Succession of Zooplankton Abundance May June July Aug

Plankton Net 30 C A A R

The Plankton Station

Sources Advancing the Science of Limnology and Oceanography ( http://www.aslo.org/photopost/showgallery.php/cat/518 ) Central Michigan University “Zooplankton of the Great Lakes” ( www.cst.cmich.edu/users/mcnau1as/zooplankton%20web/index.html ) Micrographia ( www.micrographia.com ) National Oceanic and Atmospheric Administration Great Lakes Environmental Research Laboratory ( http://www.glerl.noaa.gov/pubs/photogallery/Waterlife/index.html ) United States Environmental Protection Agency Great Lakes National Program Office ( www.epa.gov/glnpo/atlas/index.html ) United States Geological Survey Nonindigenous Aquatic Species Database ( http:// nas.er.usgs.gov / ) All pictures and drawings not cited during the presentation were provided by Inland Seas Education Association. These pictures can be used freely for educational purposes if ISEA is correctly attributed. All commercial use of these pictures is prohibited.

Advancing the Science of Limnology and Oceanography ( http://www.aslo.org/photopost/showgallery.php/cat/518 )

Central Michigan University “Zooplankton of the Great Lakes” ( www.cst.cmich.edu/users/mcnau1as/zooplankton%20web/index.html )

Micrographia ( www.micrographia.com )

National Oceanic and Atmospheric Administration Great Lakes Environmental Research Laboratory ( http://www.glerl.noaa.gov/pubs/photogallery/Waterlife/index.html )

United States Environmental Protection Agency Great Lakes National Program Office ( www.epa.gov/glnpo/atlas/index.html )

United States Geological Survey Nonindigenous Aquatic Species Database ( http:// nas.er.usgs.gov / )

All pictures and drawings not cited during the presentation were provided by Inland Seas Education Association. These pictures can be used freely for educational purposes if ISEA is correctly attributed. All commercial use of these pictures is prohibited.

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