No abstract

Diversification is a livelihood strategy that households use to survive and to absorb disturbances. Community-based ecotourism (CBE) is part of a set of sustainable options that are available to households for diversification. This paper analyses households’ capital assets that increase the probability of a family becoming involved in a CBE compared to other forms of diversification, and empirical evidence is presented for coastal communities located in Oaxaca, Mexico. Based on household surveys and a multinomial logit econometric model, the results show that the probability that a household decides to become involved in CBE increases for households with young people and those that have their basic needs covered by government programs or small agricultural production. Other forms of diversification are positively related to agreements within the community, woodfire use, and the presence of irrigated lands. Thus, CBE is determined by specific assets mentioned previously compared to other forms of diversification. Particularly, to promote CBE, tourism policies need to consider households’ human, social, natural, and financial capital assets and the associated programs in an integrated way to enhance community development.

This paper describes the frequency and number of Sphyrion laevigatum in the skin of Genypterus blacodes, an important economic resource in Chile. The analysis of a spatial distribution model indicated that the parasites tended to cluster. Variations in the number of parasites per host could be described by a negative binomial distribution. The maximum number of parasites observed per host was two.