types of sampling

• what is meant by stratified sampling in ecology


  this is the process of identifying areas with an overall habitat that may vary from each other and need to be sampled separately
• when splitting up a habit are in stratified sampling what is each individual area known as


  stratum
• what is meant by random sampling in ecology


  date is a completely unbiased system in which each section of a habitat will have an equal chance of being chosen
• what is meant by systematic sampling in ecology


  this is used to sample linear habitats
• what equipment is used when using systematic sampling


  transects
• what are the two types of systematic sampling


  a line transect and a belt transect
• what is quicker is the systematic sample in a line or belt transect


  a line transect
• what is more thorough when doing systematic sampling a line ot belt transect


  a belt transect
• how is a belt transect more than a line transect


  it will give data on the abundance of an individual species at different points along the line