Reference no: EM13820526
This problem set is de-signed to get you thinking about what me measurable impact a land use change might have on an ecosystem As with the calculations you made in Eating at a Lower Tropic Level, these require careful analysis of what the question is asking. Keep track of your units so that you, arrive al an appropriate answer
Show all work for the following calculations. Use the following equations to complete the calculations
• Net Primary Productivity = Gross Primary Productivity - Respiration Requirement
• % efficiency = (output / input) r 100
• % Efficiency of Photosynthesise = NPP / Insolation energy x 100 insolation energy = energy from the sun)
• 1002 cm = 1 m2 = 10,000 cm2/m2
1. Suppose the fox In the food web diagramed feeds only on rabbits, equine's, mica, and birds, all of wrath teed on plant material Assuming that a Fox's daily caloric requirement is 800 kcal. and that only 10 peroont of the energy at one troottic level can be paSSed to the next trophic level.
A. How many square moors of plant material are then required to suppcnl the fox if the net primary productivity of the plant material is 8.000 kcal/m2/yr?
B. If the fox were to feed only on insect eating birds. how many square meters of plant material would bet required?
2. In a salt marsh in Georgia, the Quantity of solar radiation reaching the ground during the summer is 7,00{1,0040 cal/m2/day. The grass productivity of the producers in the salt marsh (microscopic algae) ss 0.0040 g/cm2/day, and 35% of the gross productivity is consumed in aerobic respiration (respiration loss). In the tab, it was found that 1 gram of salt marsh producer is equivalent to 2,920 calories.
A. Calculate the not primary productivity of the system.
B. Calculate tha efficiency of photosynthesis.
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: How many square moors of plant material are then required to suppcnl the fox if the net primary productivity of the plant material is 8.000 kcal/m2/yr - Calculate the not primary productivity of the system.
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