Table.2. Influence of landowner characteristics or NIPF/forest management Characteristic General conclusion Selected citations Plantin Harvestin 里 Nyberg and Holthausen099y Income Usually Negative positive, not limited studies Dennis (1989) unanimous Alig(1986) Chapter 14 Hardie and Parks(1991) Zhang and Flick(2001) Romm et al. (1987) Greene and Blatner(1986) Royer(1987) deSteiguer(1984) Occupation as No effect Weak positive Hyberg and Holthausen(1989) farmer Binkley(1981) Boyd(1984) Dennis(1989) Romm et al. (1987) Age No effect No studies Romm et al.(1987) Zhang and Flick (2001) Education No studies Mixed Greene and Blatner(1986) Chapter 14 Dennis(1989) Binkley (1981) Boyd(1984)