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ProjectProgramme / project reportPreliminary Analysis of Stomach Contents of Various Fish Species from the Lower Order Streams in the Sepik-Ramu Basin and Identification of Vacant and Underutilised Trophic Niches
Sepik River Fish Stock Enhancement Project: PNG/85/001. Field Document No. 8
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No results found.This document provides an analysis of the stomach contents of nearly all species that were collected during the field trips in the Sepik-Ramu catchment area made from January 1988 - September 1989 (Van Zwieten 1990a) . The stomach contents analysed in this report are in general taken from fish that were sampled during the whole sampling period from all areas covered. The data presented are averages from all the specimens of a single species analysed; no attempt has been made to unravel differenc es in feeding behavior as reflected by stomach contents in different size groups of species. Variations in stomach contents of specimens of one species collected, from different rivers are yet to be analysed. Furthermore it is not possible, as yet, to say anything about seasonal changes in feeding. These aspects will be considered in separate publications. For our purpose the present level of analysis is sufficient: the identification of vacant and underutilised trophic niches in the lower order streams of the Sepik-Rarnu catchment. -
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Book (stand-alone)Technical bookThe future of food and agriculture - Trends and challenges 2017
Also available in:
No results found.What will be needed to realize the vision of a world free from hunger and malnutrition? After shedding light on the nature of the challenges that agriculture and food systems are facing now and throughout the 21st century, the study provides insights into what is at stake and what needs to be done. “Business as usual” is not an option. Major transformations in agricultural systems, rural economies, and natural resources management are necessary. The present study was undertaken for the quadrennial review of FAO’s strategic framework and for the preparation of the Organization Medium-Term plan 2018-2021. -
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