Consideration on the second ary production in inland waters

Trends in World Yields for Inland Waters

Fluctuating Fisheries in Africa's Inland Waters: Well

This paper evaluates evidence that fish stocks in Africa's inland waters are climate-driven and cannot be stabilized by conventional fisheries management measures. We draw on published material and our own recent and on-going research in Lake Chad and the East African Great Lakes area to propose that fisherfolk's livelihood strategies are well adapted to both seasonal and inter-annual climate-i...

A review on the taxonomic status and biological characteristics of the genus Carassius (Teleostei: Cyprinidae) in Iranian inland waters

The genus Carassius is a genus of the family Cyprinidae, that its species are important part of the ornamental fish industry in Iran. Due to the recent changes in the taxonomic status of the genus Carassius, it is necessary to review the taxonomic statues of its recorded populations in Iran. Therefore, the present study was conducted to provide an overview of the taxonomic status of the genus C...

the effect of task cognitive complexity and time limit on the performance of the learners with different proficiency levels in second language writing skill

this study investigated the effects of manipulating the cognitive complexity of tasks along +/- few elements and the time limits on l2 learners writing performance. to conduct the study, 60 iranian efl learners with two levels of proficiency, low and high intermediate, were selected and assigned to three groups based on the time devoted to task completion. the participants performed both a simp...

the impact of e-readiness on ec success in public sector in iran the impact of e-readiness on ec success in public sector in iran

acknowledge the importance of e-commerce to their countries and to survival of their businesses and in creating and encouraging an atmosphere for the wide adoption and success of e-commerce in the long term. the investment for implementing e-commerce in the public sector is one of the areas which is focused in government‘s action plan for cross-disciplinary it development and e-readiness in go...