“…Others have assessed the perceptions of landowners, certifiers, and/or stakeholders regarding the clarity, adequacy, credibility, and/or other key features of different certification standards and procedures (Mater et al, 2002;UPM, 2005). Another approach has been to assess the difficulty of achieving a given certification standard in comparison with other standards (Gale, 2004;UPM, 2005) and/or with underlying government regulations (Fletcher et al, 2001;Cook & O'Laughlin, 2003;Dicus & Delfino, 2003). A 'checklist approach' has been favored by some as a means to compare a large number of standards by recording the number and range of issues of relevance to 'SFM' (Holvoet & Muys, 2004).…”