Principles of Biology
2nd Edition
ISBN: 9781259875120
Author: Robert Brooker, Eric P. Widmaier Dr., Linda Graham Dr. Ph.D., Peter Stiling Dr. Ph.D.
Publisher: McGraw-Hill Education
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Chapter 44, Problem 2CBQ
Summary Introduction
To determine:
The species diversity of each community.
The community with highest diversity.
The maximum diversity each community could have.
Introduction:
The measurement of diversity of the given ecological community that includes the relative abundance and the number of species, is termed as species diversity. To calculate species diversity, the diversity index must be calculated. The mostly used index is Shannon diversity index, Hs, as shown below:
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What is the Simpson diversity index for the folllowing area based on the chart
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Identify the Shannon diversity index in the two hypothetical communities below. Which of the two communities is more diverse? Round off your answer to the nearest hundredth
Species
A
Community A
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Community B
A
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Calculate the biodiversity index using the given formula below:
Chapter 44 Solutions
Principles of Biology
Ch. 44.1 - Prob. 1CCCh. 44.1 - Prob. 1TYKCh. 44.1 - Lake Baikal in Siberia is an ancient, unglaciated...Ch. 44.1 - Prob. 3TYKCh. 44.2 - Prob. 1TYKCh. 44.2 - Prob. 2TYKCh. 44.3 - Why might ecologists think of walking thecoastline...Ch. 44.3 - Prob. 2CCCh. 44.3 - Which of the following are examples of secondary...Ch. 44.3 - In New England salt marshes, Spartina grass...
Ch. 44.3 - Prob. 3TYKCh. 44.4 - Prob. 1CCCh. 44.4 - Prob. 1BCCh. 44.4 - Prob. 2CCCh. 44.4 - Which is part of the original MacArthur-Wilson...Ch. 44.4 - Prob. 2TYKCh. 44.5 - In these two food chains, plants and...Ch. 44.5 - Prob. 1CCCh. 44.5 - Prob. 1TYKCh. 44.5 - Detritivores that feed on the dung of herbivores...Ch. 44.5 - Prob. 3TYKCh. 44.6 - Net primary production is the energy that passes...Ch. 44.6 - Prob. 2TYKCh. 44.6 - Most gross primary production is used in (by)...Ch. 44 - Prob. 1TYCh. 44 - Prob. 2TYCh. 44 - Prob. 3TYCh. 44 - Prob. 4TYCh. 44 - On which types of islands would you expect species...Ch. 44 - Prob. 6TYCh. 44 - Autotrophic organisms are primary consumers....Ch. 44 - Prob. 8TYCh. 44 - Prob. 9TYCh. 44 - The most highly productive terrestrial ecosystems...Ch. 44 - Prob. 1CCQCh. 44 - Prob. 2CCQCh. 44 - Prob. 3CCQCh. 44 - List some possible ecological disturbances, their...Ch. 44 - Prob. 2CBQ
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- What is the Shannon diversity index value for this community? What is the Species evenness value for this community?arrow_forwardWhat is biodiversity? Describe three levels of biodiversityarrow_forwardWhat is the complex link between ecological stability and species diversity? In eight sentences, discuss the topic.arrow_forward
- What is the significance of species collection and why is it critical to understand how to collect and preserve species properly? Explain in 10 sentences.arrow_forwardState two possible reasons why species may have a regular (uniform) distribution? Write 2 sentences for each reason.arrow_forwardIdentify the latitudinal gradient of species richnessarrow_forward
- What is the definition of species diversity and the concept of biodiversity? Explain each in five (5) sentences.arrow_forwardWhy was certain species' density more accurately estimated, and why may some have approached the actual density sooner than others (with a smaller sample size)?arrow_forwardCalculate for the Diversity Indices of the different communities given below using PAST. Relative abundance, however, need to be calculated manually.arrow_forward
- Complete the table below by stating an example of mangrove species found in a given zonation and drawing an outline of the mangrove species. Zonation Examples Species Illustration (according to its zonation) Zone 1 – highly exposed mangroves Zone 2 – exposed mangroves Zone 3 – central mangroves Zone 4 – rear mangroves Zone 5 – brackish stream mangrovesarrow_forwardDIFFERENTIATE the two factors of species diversity. (Species richness and relative abundance)arrow_forwardEcology and Biology: Shannon Diversity Index: Definition & Example The Shannon Diversity Index (sometimes called the Shannon-Wiener Index) is a way to measure the diversity of species in a community. Denoted as H, this index is calculated as: H = -Σpi * ln(pi) where: Σ: A Greek symbol that means “sum” ln: Natural log pi: The proportion of the entire community made up of species i The higher the value of H, the higher the diversity of species in a particular community. The lower the value of H, the lower the diversity. A value of H = 0 indicates a community that only has one species. The Shannon Equitability Index is a way to measure the evenness of species in a community. The term “evenness” simply refers to how similar the abundances of different species are in the community. Denoted as EH, this index is calculated as: EH = H / ln(S) where: H: The Shannon Diversity Index S: The total number of unique species What is the Shannon diversity index value for this community? What…arrow_forward
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