Table 3.

Types of environmental factors examined in the articles reviewed

Environmental factors	Articles where mentioned
Drought	Afifi (2011), Findley (1994), Gila et al. (2011), Henry et al. (2004a, b), Kniveton et al. (2011), Nawrotzki et al. (2013), Radel et al. (2010);
Land degradation	Afifi (2011), Alscher (2011), Henry et al. (2004a, b), Reuveny and Moore (2009), Shen and Gemenne (2011)
Flooding	Alscher (2011), Dun (2011), Warner (2010), Warner et al. (2010), Wrathall (2012)
Access to contextually specific natural resources (e.g., firewood)	Afifi (2011), Gila et al. (2011), Massey et al. (2010), Reuveny and Moore (2009), Shrestha and Bhandari (2007)
Sea-level rise	Farbotko and Lazrus (2012), McNamara and Gibson (2009), Mortreux and Barnett (2009), Shen and Binns (2012), Shen and Gemenne (2011)
Natural disasters	Alscher (2011), Dun (2011), Radel et al. (2010), Reuveny and Moore (2009), Wrathall (2012)
Agricultural productivity	Feng et al. (2010), Gray (2009, 2010), Massey et al. (2010)
Deforestation	Afifi (2011), Alscher (2011), Rowlands (2004)