43 research outputs found
Long-term changes in the diversity, abundance and size composition of deep sea demersal teleosts from the Azores assessed through surveys and commercial landings
To obtain important baseline information about population dynamics and to provide valuable insights about the possible effects of artisanal fishing on the demersal fish community, this study had three specific objectives: (1) to update the annotated list of demersal teleost species occurring in the Azores (mid-North Atlantic); (2) to describe their depth distribution and related fishery information; and (3) to evaluate annual changes in their observed abundance and length composition. To do this, a time series with about 25 years of scientific data from the commercial fishery and surveys was analyzed. The demersal teleost community was represented by 213 species, predominantly deep-water species, reflecting the main marine habitat in the Azores region. Fishery takes place mainly in the intermediate strata (200–600 m), where the most commercially important species occur. No changing in the fork length (LF) distribution toward small individuals caused by size-selective fishing was detected in this study. The high variability observed in the LF data indicates the need for more accurate studies considering alternative statistical analyses (e.g., generalised linear models) to examine the possible factors (e.g. depth coverage, gear configuration, soak time, and fishing area) that cause this variability. On the other hand, the abundance indices of some commercially important species appear to have declined (Phycis phycis, Pontinus kuhlii, Conger conger, Beryx splendens and B. decadactylus), while others appear to be more stable (Helicolenus dactylopterus) or even increasing (Mora moro). Although the available data are insufficient for a formal assessment on the status of exploited populations, the long-term analysis of commercial landings and survey data was used as a basis to assess deep sea demersal teleost fisheries of the Azores, under a precautionary approach
A Influência De Crenças E Tabus Alimentares Na Amamentação
Cultural factors, such as food taboos, negatively influence the promotion of breastfeeding, resulting in early weaning. The aim of this study was to investigate differences in eating habits of a group of mothers in relation to breastfeeding. Cross-sectional study consisting of mothers of children under two years old enrolled in the Child Care Program of two Basic Health Units of Guarapuava-PR. One located in the peripheral region (US 1) and the other in the central area (US 2) to detect differences in eating habits of this population. The study included 96 mothers with mean age 25,11 years, of which 86.5% said they believed that some food would undermine breastfeeding. The main foods to be avoided, according to the mothers, were acidic foods, alcohol, chocolate and soft drinks. Mothers of units 1 and 2 have made mention consumption of foods derived from corn, and only two mentioned in the U.S. 2 beer consumption as food lactogenic black. No differences were found between the health U.S. 1 and U.S. 2. In relation to dietary restrictions were not found relevant data related to the taboos of the interviewees. Highlights the importance of orientation to promote breastfeeding and encourage mothers to solve any doubts, avoiding early weaning and continued breastfeeding until two years of age or older child.40222122