One way to audit or create job descriptions is to conduct a job analysis. Job analysis is the process of gathering, examining and interpreting data about the jobâs tasks and responsibilities.
Species richness is a count of the number of species in a given habitat or ecosystem. Unlike species diversity, species richness does not take species abundance into account. One factor which is important to consider when measuring species richness is sampling methodology.
1 A larger number of plant species means a greater variety of crops. 2  Greater species diversity ensures natural sustainability for all life forms.  Healthy ecosystems can better withstand and recover from a variety of disasters.