Monitoring of tropical freshwater fish resources for sustainable use

Reproductive strategies and genetic variability in tropical freshwater fish

We estimated the genetic variability of nine fish species from the Brazilian upper Paraná River floodplain (Astyanax altiparanae, Hoplias malabaricus, Leporinus lacustris, Loricariichthys platymetopon, Parauchenipterus galeatus, Pimelodus maculatus, Rhaphiodon vulpinus, Roeboides paranensis and Serrasalmus marginatus) based on data for 36 putative allozyme loci obtained using corn starch gel el...

Biobased Economy – Sustainable Use of Agricultural Resources

Possible Target Corridor for Sustainable Use of Global Material Resources

Many countries have started to develop policy programs for the sustainable use of natural resources. Indicators and targets can cover both a territorial and a life-cycle-wide global perspective. This article focuses on how a safe operating space for global material resource use can be outlined based on existing economy-wide material flow indicators. It reflects on issues such as scale and syste...

the use of appropriate madm model for ranking the vendors of mci equipments using fuzzy approach

abstract nowadays, the science of decision making has been paid to more attention due to the complexity of the problems of suppliers selection. as known, one of the efficient tools in economic and human resources development is the extension of communication networks in developing countries. so, the proper selection of suppliers of tc equipments is of concern very much. in this study, a ...

Are dietary recommendations for the use of fish oils sustainable?

633 P eople in developed countries have been encouraged in recent years to increase their intakes of fatty fish by at least 2–3-fold. The goal is to consume adequate amounts of the long-chain polyunsaturated omega-3 fatty acids, eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA) for optimal health and prevention of major chronic diseases. Health agencies now recommend that the current a...