8. 11(D) recognize human dependence on ocean systems and explain how human activities such as runoff, artificial reefs, or use of resources have modified.

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Presentation transcript:

8. 11(D) recognize human dependence on ocean systems and explain how human activities such as runoff, artificial reefs, or use of resources have modified these systems.

Some examples of ocean systems:

Pollution Harmful substances mixing with the air, land, and/or water. Technical Definition: Contamination of soil, water, or the atmosphere by the discharge of harmful substances. Image adapted from: http://blog.lib.umn.edu/schne644/architecture/; Technical Definition: www.thefreedictionary.com; Student Definition: adapted from Access Science, page 106.

Overfishing or Overharvesting Catching large numbers of fish so as to deplete their populations. Technical Definition: To fish to such a degree as to upset the ecological balance or cause depletion of living creatures. Image from: http://www.endoverfishing.org/newengland/newsroom/images/Overfishing-Thousands-of-Pounds-of-Jack-Mackerel-NOAA-Images.jpg; Technical Definition: www.thefreedictionary.com; Student Definition: Common Knowledge

Dead Zones Low-oxygen areas in the world's oceans. The Gulf of Mexico dead zone near the mouth of the Mississippi River (Photo courtesy NOAA). Image from: http://www.ens-newswire.com/ens/mar2008/2008-03-11-091.html; Definition: www.thefreedictionary.com

Artificial Reef a human-made underwater structure, typically built for the purpose of promoting marine life Image from: http://www.ens-newswire.com/ens/mar2008/2008-03-11-091.html; Definition: www.thefreedictionary.com

Watershed Area of land that drains water from a higher area of land to a lower level of land and into a stream. Technical Definition: An area that is drained by a river and all the streams that empty into it. Image from: http://www.sanduskyriver.org/uploads/watershed.jpg; Technical Definition: www.thefreedictionary.com; Student Definition: adapted from ScienceSaurus Glossary, page 482.

Dependence on Natural Resources something needed or greatly desired Image from: http://www.sanduskyriver.org/uploads/watershed.jpg; Technical Definition: www.thefreedictionary.com; Student Definition: adapted from ScienceSaurus Glossary, page 482.

Watershed Area of land that drains water from a higher area of land to a lower level of land and into a stream. Technical Definition: An area that is drained by a river and all the streams that empty into it. Image from: http://www.sanduskyriver.org/uploads/watershed.jpg; Technical Definition: www.thefreedictionary.com; Student Definition: adapted from ScienceSaurus Glossary, page 482.

Groundwater Water located the Earth’s surface. Technical Definition: Water beneath the earth's surface. Image adapted from: http://jnuenvis.nic.in/subject/freshwater/groundwater3.jpg; Technical Definition: www.thefreedictionary.com; Student Definition: adapted from Access Science, page 107.

Surface Water Water that is located at the Earth's surface. Image from: http://www.kidsgeo.com/images/surface-water.jpg; Definition: www.thefreedictionary.com.