Campbell Biology: Australian And New Zealand Edition + Mastering Biology With Etext
11th Edition
ISBN: 9781488687075
Author: Lisa, A. Urry
Publisher: PEARSON
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Chapter 55.2, Problem 3CC
Summary Introduction
To predict: How the NEP (net ecosystem production) of a forest that was heavily burned by a wild fire changes over time.
Concept introduction: In an ecosystem, the total primary production is said to be the GPP (gross primary production). NPP or net primary production is equal to about half of GPP. NEP is defined as the measurement of total biomass accumulation at a particular interval of time.
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A mature oak and hickory forest ecosystem experienced an intense forest fire that burned the existing trees the ground. Despite the intensity of the
fire, some soils remained. Total biomass, species richness, and net productivity were reduced significantly after the initial disturbance. There have not
been any more fires since. Twenty years after the fire, there are medium-sized trees and bushes growing, as well as ferns and flowering plants. The
forest is in the middle, or intermediate, stage of succession. How has the current stage of succession affected total biomass, species richness, and
net productivity of the ecosystem?
O Total biomass remained the same, species richness decreased, net productivity remained the same
O Total biomass increased, species richness increased, net productivity decreased
O Total biomass increased, species richness increased, net…
WHAT IF? Suppose a developer proposes to clear-cuta forest that serves as a corridor between two parks. Tocompensate, the developer also proposes to add the samearea of forest to one of the parks. As a professional ecologist, how might you argue for retaining the corridor?
WRITE ABOUT A THEME: Energy and MatterDecomposition typically occurs quickly in moist tropicalforests. However, waterlogging in the soil of some moisttropical forests results over time in a buildup of organicmatter called “peat.” In a short essay (100–150 words), discussthe relationship of net primary production, net ecosystemproduction, and decomposition for such an ecosystem. AreNPP and NEP likely to be positive? What do you think wouldhappen to NEP if a landowner drained the water from atropical peatland, exposing the organic matter to air?
Chapter 55 Solutions
Campbell Biology: Australian And New Zealand Edition + Mastering Biology With Etext
Ch. 55.1 - Why is the transfer of energy in an ecosystem...Ch. 55.1 - WHAT IF? You are studying nitrogen cycling on the...Ch. 55.1 - MAKE CONNECTIONS Use the second law of...Ch. 55.2 - Why is only a small portion of the solar energy...Ch. 55.2 - How can ecologists experimentally determine the...Ch. 55.2 - Prob. 3CCCh. 55.2 - MAKE CONNECTIONS Explain how nitrogen and...Ch. 55.3 - If an insect that eats plant seeds containing 100...Ch. 55.3 - Prob. 2CCCh. 55.3 - WHAT IF? Detritivores are consumers that obtain...
Ch. 55.4 - DRAW IT For each of the four biogeochemical...Ch. 55.4 - Why does deforestation of a watershed increase the...Ch. 55.4 - WHAT IF? Why is nutrient availability in a...Ch. 55.5 - Prob. 1CCCh. 55.5 - WHAT IF? In what way is the Kissimmee River...Ch. 55 - Considering the second law of thermodynamics,...Ch. 55 - Prob. 55.2CRCh. 55 - Why would runners hove a lower production...Ch. 55 - If decomposers usually grow faster and decompose...Ch. 55 - In preparing a site for surface mining and later...Ch. 55 - Which of the following organisms is incorrectly...Ch. 55 - Prob. 2TYUCh. 55 - The discipline that applies ecological principles...Ch. 55 - Level 2: Application/Analysis 4. Nitrifying...Ch. 55 - Which of the following has the greatest effect on...Ch. 55 - Prob. 6TYUCh. 55 - Which of the following would be considered an...Ch. 55 - Prob. 8TYUCh. 55 - Level 3: Synthesis/Evaluation 9. DRAW IT (a) Draw...Ch. 55 - Prob. 10TYUCh. 55 - Prob. 11TYUCh. 55 - WRITE ABOUT A THEME: ENERGY AND MATTER...Ch. 55 - Prob. 13TYU
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- Ecology CA STUDENT Insert Draw Design Layout References Mailings Home Calibri (Body) 11 - A A Aa v abe X2 x? A A Paste stic Changes in an ecosystem over a long perod of time are shown in the diagram below. Succession in a Plant Community Pines Beeches and Maples Ferns, shrubs and grasses Mosses Soil 10 yrs 50 yrs 100 yrs 200 yrs 300 yrs A В 9. As the process of ecological succession progresses with time, species diversity tends to: A. gradually decrease from colonization to climax community.. B. be limited in early stages and increase over time. C. increase during intermediate stages, then rapidly decrease during the climax community stage. D. be highest in the colonization stages. 752 words English (United States) Focus Pause 14arrow_forwardSmall plants that grow and create a rich topsoil that supports larger plants, which shade the small plants and inhibit their growth, are carrying out__- primary succession O secondary succession facilitation inhibition O tolerancearrow_forwardTake bulleted notes over Renewable and non renewable resourcesarrow_forward
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