Across
- 4. accidental capture of nontarget animals, such as dolphins, seals, sea lions, sea turtles as well as many other fish.
- 7. fishing by setting out extremely long lines, up to 50 miles, with thousands of baited hooks
- 10. water affected by human activities and a source of biodegradable wastes
- 12. toxic chemicals used to control insects that ends up in our water
- 15. large areas of water stored, usually behind dams
- 16. the release of water vapor from plants
- 17. usually found in small amounts in the water, but can accumulate in the bodies, includes lead and mercury
- 19. when excess amounts of nutrients are found in water that cause algaes to explode in growth and deplete the oxygen levels, killing fish
- 21. locations such as factories, sewers or oil tankers
- 22. 97% of the Earth's water is found here
Down
- 1. dragging large cone shaped nets through the water to capture pelagic fish; Bottom-trawling dragging nets along the bottom to catch benthic organisms.
- 2. the release into the environment of matter or energy that causes undesirable impacts on the health or wellbeing of organisms
- 3. chains of transparent nylon mesh nets arrayed to drift with currents to capture passing fish. Floats at the top and weights at the bottom keep them vertical.
- 5. porous regions of rock and soil that hold ground water
- 6. water found under ground
- 8. larger source of pollution and more difficult to manage
- 9. product made from fossil fuels to fuel cars and trucks that end up in our water
- 11. when water returns to the earth as liquid
- 13. the name given the process of converting water from liquid to gaseous states
- 14. less than 1% of water on Earth is water we can use, or called...
- 18. this agency reported 55% of U.S. streams and rivers are in poor condition to support aquatic life
- 20. the lack of oxygen in the water, causing death of fish and other organisms in so-called dead zones