Proportion of DNA sampling techniques (lethal, invasive, non-invasive, or both invasive and non-invasive) used in the identified relevant genetics studies, categorized by the research objective of the study (Type of study; left) and the genetic marker (Marker; right).

  Part of: Zemanova MA (2019) Poor implementation of non-invasive sampling in wildlife genetics studies. Rethinking Ecology 4: 119-132.