GEOG 220

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Across
  1. 3. Grazing and fire can actually increase rates of _________ in grasses because it opens up the canopy.
  2. 7. The driest desert on the planet
  3. 9. ___________ is an important component of grasslands, Shrublands and Thorn scrub biomes
  4. 10. ______ ___ ___and human pressures are increasing the frequency of fire-based disturbances.
  5. 11. Diagram illustrating the distribution of biomes based on average temperatures and amounts of precipitation.
  6. 13. What do you call a three humped camel?
  7. 16. Biome covered by trees that experiences moderate temperatures much of the year.
  8. 18. Deserts are not very ________ ecosystems.
  9. 19. The wettest desert in North America.
  10. 22. __________ mountains create the Gobi desert
  11. 23. In terms of environmental variables, temperature and __________ are primary determinants of what biomes can exist across the biosphere.
  12. 24. __________ animal behavior characterized by being active during the night and sleeping during the day
  13. 25. keystone species of the sonoran desert, which provides food and habitat for many species.
  14. 27. ____ ______ when the vegetation type of an ecosystem is shifted because of repeated disturbance.
Down
  1. 1. goods and services we get from ecosystems (this can help us determine the 'value' of our ecosystems).
  2. 2. In some cold desert water is only present as _______; it simply goes from a solid to a vapor!
  3. 4. = _______ _______ = products obtained from ecosystems
  4. 5. The sun's power to _________ water means that plants and the atmosphere are in constant competition for moisture.
  5. 6. _________ and fire are important components of grassland biomes.
  6. 8. Water loss from plants
  7. 12. Woody plants can use ________ ________ to regulate their water use and compete with other plant functional types for inputs from rain.
  8. 14. By producing _______ the Mongolian gazelle increases species survival rates.
  9. 15. Can grow up to two feet a day.
  10. 17. rodent that can survive without ever drinking any water, getting needed moisture from their seed diet.
  11. 20. Type of forests that lose leaves in periods of stress
  12. 21. Mosaic of grasses and trees, where the trees do not form a continuous canopy.
  13. 26. Program aimed at reducing emissions from deforestation and forest degradation.