“…Additionally, beach users were asked to identify their perceived sense of crowding and reported encounters in accordance to Manning (1999) and Manning, Wang, Valliere, Lawson, and Newman (2002) based on 15 different levels (0,5,10,20,35,50,75,100,200,350,500,750, 1000, 1500 and 2000 þ people) as suggested by Needham et al (2008). Because the only application of the close-ended format to assess the maximum number of people may be unrealistic and may not accurately ascertain these values, especially in places with high use levels (Manning, 1999(Manning, , 2007Manning et al, 2002;Needham et al, 2008), respondents were additionally asked to rate from a set of photographs (Fig.…”