Kaibab Lab-Morgan Shaw

Kaibab Lab-Morgan Shaw - Please read the following...

Info iconThis preview shows pages 1–3. Sign up to view the full content.

View Full Document Right Arrow Icon
Please read the following paragraph, and answer the  questions that follow. You can write the answer in  the space provided, or type the answer in a  different paper.    The due day for this assignment is Nov 28 th , 2007   The Lesson of the Kaibab Introduction: The environment may be altered by forces within the biotic community, as  well as by relationships between organisms and the physical environment. The  carrying capacity  of an ecosystem is the maximum number of organisms that an area  can support on a sustained basis. The density of a population may produce such  profound changes in the environment that the environment becomes unsuitable for the  survival of that species. For instance, overgrazing of land may make the land unable to  support the grazing of animals that lived there.  Objectives:  Graph data on the Kaibab deer population of Arizona from 1905 to 1939 Determine factors responsible for the changing populations Determine the carrying capacity of the Kaibab Plateau 1
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Background Before 1905, the deer on the Kaibab Plateau were estimated to number about 4000.  The average carrying capacity of the range was then estimated to be about 30,000  deer. On November 28th, 1906, President Theodore Roosevelt created the Grand  Canyon National Game Preserve to protect the "finest deer herd in America." Unfortunately, by this time the Kaibab forest area had already been overgrazed by 
Background image of page 2
Image of page 3
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 5

Kaibab Lab-Morgan Shaw - Please read the following...

This preview shows document pages 1 - 3. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online