Overfishing

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Across
  1. 4. to stop something temporarily
  2. 5. to substitute for
  3. 6. able to be maintained
  4. 8. to make worse
  5. 9. use the supply of
Down
  1. 1. destroy, break down
  2. 2. a thing that motivates someone
  3. 3. to change drastically
  4. 7. make something less of a big deal