A group of students carried out a fieldwork investigation to study ecological succession across a coastal sand dune system, measuring vegetation percentage cover and soil pH.
Describe a sampling method that could be used to select the sites for taking these measurements.
Explain why this would be an appropriate choice for this investigation.
91 exam-style questions on OCR A GCSE Geography Fieldwork skills. Each one has a worked solution and a mark scheme showing where the marks go.