Campbell Biology in Focus
3rd Edition
ISBN: 9780134710679
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Rebecca Orr
Publisher: PEARSON
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Textbook Question
Chapter 43.2, Problem 3CC
WHAT IF? In 2005, at least ten grizzly bears in the greater Yellowstone ecosystem were killed through contact with people. Most of these deaths resulted from three things: collisions with automobiles, hunters (of other animals) shooting when charged by a female grizzly bear with cubs nearby, and conservation managers killing bears that attacked livestock repeatedly. If you were a conservation manager, what steps might you take to minimize such encounters in Yellowstone?
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Match the approach to protection with the example from the academic literature.
Species approach
Hotspot approach
Ecosystem approach
1.
Wolf reintroductions into the Yellowstone environment restored riparian species and increased biodiversity because wolves controlled the numbers of elk and coyotes which allowed plants, beaver, and foxes to rebound (Ripple and Beschta 2003).
2.
The creation of a reserve protects the red-brown treecreeper (Climacteris picumnus). This approach looks to accommodate processes that threaten species viability, such as fragmentation and feral predators (Nicholson et al. 2013).
3.
Species richness of tiger beetles, Cicindelidae, is positively correlated with bird and butterfly diversity across North America, Australia, and the Indian subcontinent (Reid, 1998).
Which one of these statements about COSEWIC is false?
COSEWIC's assessments take into account political, social and economic factors.
The Species at Risk Act (2002) established COSEWIC as an advisory body.
The committee made its first designation in April 1978 and has met annually since then.
Members of COSEWIC are wildlife biology experts from academia, government, non-governmental organizations and the private sector responsible for designating wildlife species in danger of disappearing from Canada.
Conservation Biology Quiz 2
4. Predator- predator inter
a prey h
Conservation Biology Quiz 2
2. Community - Competition. Competition between species on the same trophic tier leads
to four potential outcomes, 3 are deterministic (zero sum games where one species goes
extinct and the other maximizes their growth to balance at the carrying capacity) and one
where both competitors survive, but neither does well.
a. This dynamic suggests that extirpation (local extinction) of populations is a far
more likely outcome than co-existence. How, in your opinion, does this affect
management policies aimed at increasing biodiversity and proliferation of inter
and intra population and interspecies variation. Reason your point of view. (5
points)
b. Endangered species are defined by low growth rates (r) and low K (reflecting
high demand for resources). What are the implications of both these factors on the
outcome of competition scenarios, especially the most common scenario of
alternate stable…
Chapter 43 Solutions
Campbell Biology in Focus
Ch. 43.1 - Prob. 1CCCh. 43.1 - Prob. 2CCCh. 43.1 - WHAT IF? Imagine two populations of a fish...Ch. 43.2 - How does the reduced genetic diversity of small...Ch. 43.2 - Prob. 2CCCh. 43.2 - WHAT IF? In 2005, at least ten grizzly bears in...Ch. 43.3 - Prob. 1CCCh. 43.3 - Prob. 2CCCh. 43.3 - Prob. 3CCCh. 43.4 - How can the addition of excess mineral nutrients...
Ch. 43.4 - MAKE CONNECTIONS There are vast stores of organic...Ch. 43.5 - Prob. 1CCCh. 43.5 - Prob. 2CCCh. 43.6 - Prob. 1CCCh. 43.6 - Prob. 2CCCh. 43.6 - WHAT IF? Suppose a new fishery is discovered, and...Ch. 43 - Prob. 1TYUCh. 43 - Prob. 2TYUCh. 43 - Prob. 3TYUCh. 43 - Prob. 4TYUCh. 43 - Prob. 5TYUCh. 43 - Prob. 6TYUCh. 43 - Prob. 8TYUCh. 43 - FOCUS ON EVOLUTION The fossil record indicates...Ch. 43 - Prob. 10TYUCh. 43 - SYNTHESIZE YOUR KNOWLEDGE Big cats, such as the...
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