Q: The successional studies in Sycamore Creek produced patterns of variation in diversity
The successional studies in Sycamore Creek produced patterns of variation in diversity that differed significantly from those observed during primary succession at Glacier Bay (see fig.&Ac...
See AnswerQ: In most studies of forest succession such as that of Reiners and
In most studies of forest succession such as that of Reiners and colleagues (1971) and Oosting (1942), researchers study succession by comparing sites of various ages. This approach is called a “space...
See AnswerQ: The rapid succession shown by the Sycamore Creek ecosystem is impressive.
The rapid succession shown by the Sycamore Creek ecosystem is impressive. How might natural selection influence the life cycles of the organisms living in Sycamore Creek? Imagine a creek that floods a...
See AnswerQ: In the studies of mechanisms underlying succession, ecologists have found a
In the studies of mechanisms underlying succession, ecologists have found a great deal of evidence for both facilitation and inhibition. However, they have found little evidence for the tolerance mode...
See AnswerQ: When Mount St. Helens in Washington erupted in 1980, it
When Mount St. Helens in Washington erupted in 1980, it created a gradient in disturbance. In the pumice plains near the eruption, the devastation was almost total. The extent of disturbance was much...
See AnswerQ: Ecological succession has been compared to the development of an organism and
Ecological succession has been compared to the development of an organism and the climax community to a kind of superorganism. F. E. Clements (1916, 1936) was the best-known proponent of this idea, an...
See AnswerQ: Species have come and gone in response to changing global climates during
Species have come and gone in response to changing global climates during the history of the earth. Some of the mass extinctions of the past have resulted in the deaths of over 90% of existing species...
See AnswerQ: How does landscape ecology differ from ecosystem and community ecology? What
How does landscape ecology differ from ecosystem and community ecology? What questions might an ecosystem ecologist ask about a forest? What questions might a community ecologist ask about the same fo...
See AnswerQ: How might the distribution of beak sizes in the population differ from
How might the distribution of beak sizes in the population differ from that shown in figure 4.13, if mate choice in the population was random with respect to beak size? FigureÂ&nbs...
See AnswerQ: How should the area of forest patches in an agricultural landscape affect
How should the area of forest patches in an agricultural landscape affect the proportion of bird species in a community that are associated with forest edge habitats? How should patch area affect the...
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