This page contains links and resources that will be useful for your ecology capstone project:
Field Studies Council Marine ecology: https://www.field-studies-council.org/resources/16-18-biology/diversity/marine/
Field Studies Council method for marine diversity: https://www.field-studies-council.org/resources/16-18-biology/diversity/marine/method/
An example of a rocky shore transect methodology from New Zealand fieldwork that may be a useful framework for thinking about your own approach: https://www.otago.ac.nz/marine-studies/otago062806.pdf
Tidal ecology lecture, with notes: https://leeds365-my.sharepoint.com/:p:/g/personal/earta_leeds_ac_uk/EZlPtSJo7OFGjo_IJrBp5JUB-Z76f4SnV-Jw5BechBwiBA?e=tKzR6v
Simpson’s diversity index calculator: https://www.omnicalculator.com/statistics/simpsons-diversity-index#:~:text=The%20Simpson’s%20index%20D%20(introduced,in%20the%20i%2Dth%20species.