Day 3
AT HOME
Reading Assignment
Read pages 139-141
Questions
Read pages 139-141
Questions
- What method is used to estimate the abundance of non-motile organisms? How do you determine when to use percentage cover, density or frequency?
- Describe and Evaluate the use of the Lincoln Index to estimate the population of motile organisms. Is this a direct or indirect method? What assumptions are made?
- What 2 factors determine the species diversity of an ecosystem?
- Describe and Evaluate the use of Simpson's Diversity Index to analyze species diversity in a community over time or between communities.
IN CLASS
Using Simpson's Diversity Index, compare Sites A and B from our meadows we analyzed last class. The data for each quadrat can be accessed below.