Why are patches in a landscape mosaic often important to people who are interested in conserving populations of rare animals?

You are studying the diversity of plant species in Wetland X. The following table lists the number of individuals of each plant species found in Wetland X: Plant Species Number of Individuals pi pi² Lotus 14 Reed 21 Lily 5 S=3 Sum = 40 Sum= Using this data, calculate the Simpson's Diversity Index for Wetland X. 00.36 O2.42 0.0.99 O 0.41 O2.82 < Previous Next▸

In which year the joint forest management concept was introduced?

What is restoration ecology? Why is it an important scientific pursuit in today’s world?

If you compare species richness and evenness along the edge versus in the center of a tree farm and then make the same comparison for a rain forest, what would you expect to find? There would probably be a greater difference in richness but less difference in evenness between the tree farm and the rain forest. There would probably be a greater difference in evenness but less difference in richness between the tree farm and the rain forest. There would probably be about the same difference between the core and the edge in the tree farm versus the rain forest. There would probably be more difference between the core and the edge in the tree farm versus the rain forest. There would probably be less difference between the core and edge in the tree farm versus the rain forest.

The Endangered Species Act (ESA) of 1973 has helped to slow the destruction of habitat and the loss of species in the United States.  There are now many success stories of animals/plants that were on the edge of extinction and now are returning.  Even with the success stories there are many who criticize ESA. I want you to give at least 2 examples (with explanation) that show the success and need for The Endangered Species Act. And give 2 reasons why ESA is still criticized after all these years.

How many hotspots of biodiversity in the world have been identified till date by norman myers?

What is the pyramid of numbers in a pond ecosystem?

How does the ratio of the proportion of edge to interior habitat change with increasing patch size? How does species diversity change with increasing patch size?

Of the 50,000 species introduced into the United States, half are plants. Describe two ways in which non-native plants might be brought to a new environment. How might we help prevent non-native plants from establishing in new areas and posing threats to native communities?