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Copyright of Mundo Agrario is the property of Universidad Nacional de La Plata and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Anales de Geografía de la Universidad Complutense is the property of Universidad Complutense de Madrid and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Revista de la Facultad de Odontología. Universidad Nacional de Cuyo is the property of Universidad Nacional de Cuyo, Facultad de Odontologia and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Revista de la Facultad de Odontología. Universidad Nacional de Cuyo is the property of Universidad Nacional de Cuyo, Facultad de Odontologia and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

The fish Lutjanus guttatus is important in the fisheries of Golfo de Nicoya, Costa Rica where they are captured with varied gear mainly by the artisanal fleet. We measured specimens from the commercial catch of 2002-2006. Gonadal state was determined macroscopically and age with otoliths The total length-total weight relationship was y = 0.0236x2.8153 and total length-eviscerated weighty = 0.021 6x2.8129. Simplified relationships were y = 0.0173x3 and y = 0.0162x3. There is year-round reproduction with peaks in March (dry season) and September (rainy season). Male-female sexual ratio was 1:1. The age-length key for the gulf shows availability until the 6 years of age. The von Bertalanffy growth curve is L (t) = 65,9 (1-e -0.13(t+2.66)). [ABSTRACT FROM AUTHOR]

In Mendoza, Argentina, more of 60 % of the agricultural producers has smaller estates of 10 ha, with productive models that do not reach the sustentability of the familiar group. This paper identifies actions that improve their socioeconomic situation at the present time, througt of variables of familiar income, level of association and some practice of management for make comparisions between groups. Studied a sample of farmers's of the Mendoza River. Farmers whose farms were smaller than 10 ha was inqueried with additional questonnaire in order to identify levels of association and their results. Vitiviniculture and olive growing was analyzed with more details, thought news questionnaire and deep interviews. The results show that 42 % of the farmers have got vineyards, 30 % are olive grower and 28 % are farmers that growing vegetables, fruits and flowers. The highest level of association was founded between grapevine growers. In the other activities is very low or null. Comparing groups, majors levels of poverty there are in farmers smaller than 10 ha and low technology. Furthermore in vitiviniculture, the smallest levels of incomes was founded in no associated farmers. Inside the population studied, poverty is greatest in salaried people than owners of farms. This paper identify to training has someone activity for improvement the social and economic situation of the farmers [ABSTRACT FROM AUTHOR]