Here are some interesting articles that you can download. Whether or not ecotourism contributes to the improvement of community well-being and evironmental conservation is a complex issues, depending on many variables...
The politics of ecotourism and the developing world (Duffy_2006).pdf
Ecotourism as a Western construct (Cater_2006).pdf
The other side of ecotourism coin: concumptive tourism in Southern Africa (Novelli et al._2006).pdf
The Silience of Nature (Vogel_2006).pdf
Lao Tourism and Poverty Alleviation Community-Based Tourism and the Private Sector.pdf
Diving tourism in Mozambique, an opportunity at risk? (Tibirica, et. al 2009)
V.Portug. - Turismo de mergulho em Moçambique, uma oportunidade em risco? (Tibirica, et. al. 2009)