Marine DebrisTrash Timeline

How long does debris persist in the environment?

UC Davis Bodega Marine Lab CAMEOS Program, http://bml.ucdavis.edu/education/cameos/

Trash timeline activity

Order the items according to what you think breaks down first to things that take the longest

Draw a timeline on your desk and place your items on the timeline

UC Davis Bodega Marine Lab CAMEOS Program, http://bml.ucdavis.edu/education/cameos/

Source: US EPA, US ForestserviceTime estimates vary between different sources

Use the data below to draw a trash timeline in your notebook

UC Davis Bodega Marine Lab CAMEOS Program, http://bml.ucdavis.edu/education/cameos/

Let’s start by making 25 cm represent 500 years

Drawing a timeline to scale in your notebook

UC Davis Bodega Marine Lab CAMEOS Program, http://bml.ucdavis.edu/education/cameos/

Draw a timeline to scale

How many cm represent 100 years? How many cm represent 50 years? What about 10 years? Use the datasheet (and given times) to draw the items on

your timelineUC Davis Bodega Marine Lab CAMEOS Program,

http://bml.ucdavis.edu/education/cameos/

Look at your timeline

Mark all the plasticsWhat do you notice?In your notebook write a brief paragraph on

what you found out about marine debris and what you can do to avoid creating more marine debris.

UC Davis Bodega Marine Lab CAMEOS Program, http://bml.ucdavis.edu/education/cameos/

What your timeline should look like

paperbag

milk cartonstyrofoam

aluminum can

6-pack ring

plastic bottle

monofilamentfishing line

UC Davis Bodega Marine Lab CAMEOS Program, http://bml.ucdavis.edu/education/cameos/

What you can do

Recycle

Reduce your use of plastic products

Coastal Cleanup Day

UC Davis Bodega Marine Lab CAMEOS Program, http://bml.ucdavis.edu/education/cameos/