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.
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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.
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- productivity in above-ground biomass increment is greater in the estuarine stand than the island fringing stand productivity in litterfall is greater in the estuarine stand than the island fringing stand O productivity can be measured in part by measuring carbon in litterfall O productivity can be measured in part by measuring carbon in above-ground biomass increment subtracting above-ground biomass increment from litterfall provides the total productivity for a mangrove standThe following age and volume data are for a stand of trees Age(yrs) Volume (cubic units) 10 8 20 20 30 38 40 59 50 77 60 92 70 101 How would you estimate the best biological rotation age? If there is a difference between optimal biologic rotation and economic rotation age, explain why. Where does the growth rate peak?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?
- What is the formula to calculate basal area? What is the formula for forest volume growth? SurviaWhat are two reasons for deforestation in tropical rain forests? What is the main reason for deforestation of boreal forests?What is Primary Production and what are the factors that limit primary production in terrestrial and aquatic ecosystems. Give examples of where some of the most productive systems are on land and in water. Distinguish between Gross Primary Productivity and Net Primary Productivity
- There are many theories that explain why there is higher species richness in the tropical rainforest than the temperate forests. Provide two biotic factors and two abiotic factors explanation.The temperate regions show a lower value of primary productivity as compared to trophical regions.Give two reasons.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?
- 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…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. • 0.2 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. 1. Calculate the mass of carbon, in kilograms, that is accumulated and stored in 1.0 ha of this forest in one year. 2. 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. 3. Calculate the number of acres of forest that must be…Coral reefs and algal beds Tropical wet forest Wetlands Tropical dry forest Temperate evergreen forest Estuary Temperate deciduous forest Savanna Boreal forest Woodland and shrubland Cultivated land Temperate grassland Upwelling zones Ocean neritic zone Lake and stream Tundra Open ocean Desert and semidesert scrub Rock, sand, ice (a) NPP per unit area 0 Aquatic Terrestrial open ocean algal beds and reefs 15 20 500 1000 1500 2000 2500 0 Average net primary production (g/m²/yr) Percentage of Earth's net primary production Which aquatic habitat type in the figure makes available the most net biomass tissue per unit area available for consumers? tropical wet forest wetlands (b) Area covered, by ecosystem type E X 1 2 3 4 5 6 Percentage of Earth's surface area 65 (c) Total NPP = 0 5 10 25