If the area of a nature reserve is 6215 km2, and the carrying capacity of the area is 0.06 individuals per km2 , what is the carrying capacity of the whole nature reserve?
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If the area of a nature reserve is 6215 km2, and the
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- How could you generate an estimate of total NPP from all producers in system like a lake, pond, or stream?In a temperate grassland ecosystem, to tal primary production was 12,740 g/m/yr. Annual net secondary pro duction by the herbivorous insect community was 320.5 g/m2/yr. Total net tertiary production by spiders was 22.6 g/m/yr. Is productivity biomass-based or productivity-based?If the primary producer trophic level contains 792kg of plant material, how many kg of biomass can be supported at the primary consumer or herbivore trophic level? 7.92 .792 792 79.2 O
- Given 0.463 net reproduction per capita and a carrying capacity of 373 of a nature reserve , if 52 individuals are introduced into this nature reserve in 2011 for the first time, when will the population size reach 306 individuals?Has Havard University reached its carrying capacity given the total population on campus to be 60,000? Total estimated area is 85 sq Kilometres. The carrying capacity is 700/sq kmWhich of the following is an example of an inverted biomass pyramid? Multiple Choice A. Trophic level Biomass 1 4,000,000 g / m 2 12,000 g / m 3 455 g / m B. Trophic level Biomass 1 200,000 g / m 2 8,500 g / m 3 125 g / m C. Trophic level Biomass 1 12,200,045 g / m 2 685 g / m 3 14,750 g / m D. Trophic level Biomass 1 498 g / m 2 123 g / m 3 55 g / m E. Trophic level Biomass 1 34,085,000 g/m 2 12,460 g / m 3 550 g / m
- 1) A scientist finds that the gross primary productivity of the grasslands of the central United States is 55 g / m2 / year. If the respiration loss is 33 g / m2 / year, what is the net primary productivity? a) subtraction from gross productivity and respiration.b) The same as primary productivity.c) The value of respiration.d) The sum of gross primary productivity and respiration.What are some of the potential “third-party" effects in the large-scale transferring of water rights from agricultural use to in-stream use?What is carrying capacity? Is there one for humans?
- What is the monthly NPP during the growing season for each forest type? Annual Net primary production for boreal forest is 8, temperate forest 13, tropical is 20. Growing seasons in order are 3 mon, 6 mon and 12 months.What if we were able to restore some critical salmon habitat, like the forests surrounding the spawning streams? To test this restoration, increase K to 40,000 fish. What would that do to the MSY value? [ Select ] Does this mean you would be able to harvest more or less fish? [ Select ]A family travels from New York City to Costa Rica three times a year for a vacation. The family would like to purchase some forested land in the Catskills, keeping the trees intact as an offset to the carbon dioxide they produce travelling each year. How much forest must they purchase? Use the following assumptions to measure the carbon offset provided by this intact forest. The biomass of the forest increases at an annual rate of 2.8 × 105 kg/ha. The forest biomass is 45% carbon by mass. There are four people in the family. 2 kg of CO2 is produced each mile per person on the flight. The round-trip distance is 4,500 miles. There are 2.47 acres in one hectare. Calculate the mass of carbon, in kilograms, that is accumulated and stored in 1.0 ha of this forest in one year. Show your work. Calculate the mass of carbon, in kilograms, that is emitted by the family as a result of their round-trip flights to Costa Rica each year. Show your work. Calculate the number of acres of forest…