Biological Science (6th Edition)
6th Edition
ISBN: 9780321976499
Author: Scott Freeman, Kim Quillin, Lizabeth Allison, Michael Black, Emily Taylor, Greg Podgorski, Jeff Carmichael
Publisher: PEARSON
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Chapter 53, Problem 14PIAT
PROCESS OF SCIENCE Researchers have measured the effects of periodic forest fires on primary productivity in Amazon forest plots, comparing years with average precipitation and years with severe drought Propose which controls would be necessary for such studies.
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Introduction: from where are you, which town and country?
a, Give a short description of the vegetation in your region and explain the current way of veld utilization in that region.
b, which negative or positive aspects con you identify with the current way of utilization? emphasize any negative and /or positive aspects ( for instance continuous vs rotational grazing)
c, Give possible (scientific) solutions for the identified problems for example:
c1, the advantages of keeping correct animal numbers.
c2, An example of a proper rotational grazing
c3, ways in which degraded areas (overgrazed, bare areas, eroded, bush encroached) can be treated (or which actions can be implemented) to improve the veld condition.
The box-and-arrow model below summarizes some of the feedback links observed in the Amazon rain forest. Select true statements, based on whether they are represented by the model. (Note that the boxes and arrows in this model are used differently than those in the nutrient cycle models.)
Select all of the ones that apply.
A) An increase in CO2 increases the frequency of droughts.
B) The death of trees promotes the invasion of grasses.
C) Tree growth reduces atmospheric CO2.
D) The burning of fossil fuels increases atmospheric CO2.
E) Drought increases the frequency of forest fires.
Explain the tree trap solution for the removal of lanternflies. How will the tree trap solution affect the native species, economy, and/or social impacts? How long do you think it will take to return to the original biodiversity of the first ecosystem based on the tree trap solution and why?
Chapter 53 Solutions
Biological Science (6th Edition)
Ch. 53 - What is the main global reservoir of nitrogen?Ch. 53 - Prob. 2TYKCh. 53 - Prob. 3TYKCh. 53 - Devegetation has what effect on ecosystem...Ch. 53 - Prob. 5TYUCh. 53 - Explain why decomposition rates in a field in...Ch. 53 - Why are the open oceans nutrient poor? Why are...Ch. 53 - Prob. 8TYUCh. 53 - Prob. 9TYPSSCh. 53 - During the Carboniferous period, rates of...
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- Describe and assess several ways in which high-inputindustrial agriculture can be beneficial for the environmentand several ways in which it can be detrimental.Now suggest several ways in which we might modifyindustrial agriculture to reduce its environmentalimpacts.arrow_forwardA) Summarize what the data show concerning the change in productivity and mortality of the Amazon rainforest from 1980 to 2015. B) What consequences does this have on the global carbon cycle and climate change?arrow_forward***SIMPLE ANSWER PLS*** State how biotic potential and limiting factors affect the carrying capacity.arrow_forward
- Discuss the impacts of tropical rainforest deforestation in Sierra madre Rainforest. Propose a plan anchored in nature-based solutions to restore the basic ecosystem services.arrow_forwardINTERTRET DATA Scientists have compiled databases of large forest wildfires in the western United States and compared them to climate and land-surface data. Examine the graph showing wildfire frequency compared to average springsummer temperature. Do you see a correlation? If so, describe it. Based on these data, do you think that climate warming is causing more wildfires? Explain your answer.arrow_forwardCompare and contrast the measurement of primary productivity in terrestrial versus aquatic ecosystems.arrow_forward
- Provide support for policy recommendations to address desertification through agriculture based on scientific evidence and reasoning.arrow_forwardDescribe what is sustainable development and explain why such concept is necessary. Give a specific example.arrow_forwardDescribe the effects of temperature, moisture, length of photosynthetic period, and nutrient availability on net primary productivity in terrestrial ecosystems. Give examples in your explanations.arrow_forward
- The temperate regions show a lower value of primary productivity as compared to trophical regions.Give two reasons.arrow_forwardCompare the energy component of your ecological footprint calculated in this way with the 5.9 ha calculated using the method of the Global Footprint Network. Explain why results from the two methods may differ.arrow_forwardIn a forest ecosystem, How climatic warming on tree harvest by people could possibly change the interactive controls of the ecosystem and how these changes in controls might alter the natural processes?arrow_forward
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