What are benefits measuring npp using harvest techniques

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Assignment:

1. Plants allocate the energy they acquire through photosynthesis to different functions, including growth and metabolism. The allocation to growth can go preferentially to particular organs, such as leaves, stems, roots or flowers. How would you expect the allocation of energy among plant organs to change as the amount of terrestrial ecosystem NPP increased? Explain why you would expect the allocation pattern that you described.

2. Some ecologists interested in the underlying factors that control variation in NPP in tundra measured the growth of plants at several locations over multiple years. They also measured air and soil temperatures, wind speed, solar radiation, and soil moisture. When they analyzed all of their data, they found that the best correlation between NPP and any of the physical environmental factors they had measured was with soil temperature. The researchers concluded that NPP in tundra is controlled by the effect of soil temperature on root growth. Is this conclusion correct?

3. What are some of the Benefits and drawbacks associated with measuring NPP using (a) harvest techniques and (b) remote sensing?

Reference no: EM133585744

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