Biology
Biology
12th Edition
ISBN: 9780134813448
Author: Audesirk, Teresa, Gerald, Byers, Bruce E.
Publisher: Pearson,
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Chapter 46.2, Problem 1CT
Summary Introduction

To determine:

The decisions by foresters that can balance the benefits and hazards of controlled burns.

Introduction:

Forest fire is a natural phenomenon that helps in maintaining the forest health. In natural process, the intensity of forest fire is low. This causes burning of all old leaf litter which provides space for germination of new seedlings. The old plants that burnt during the forest fire provide their nutrients to the soil helping the forest to acquire the lost nutrients.

Summary Introduction

To determine:

An alternative to controlled burn along with its advantages and disadvantages.

Introduction:

Wildfires are important to maintain the ecosystem to regenerate aging climax forests. It promotes the growth of new seedlings by clearing or providing the space.

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Why is regular burning (thru natural fires) an important part of maintaining the health of grasslands and coniferous forests?  Identify benefits that are specific to each biome.  Also, discuss how suppressing fires could negatively affect each system.
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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…
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