Name: Fingerponds: Managing Nutrients & Primary Productivity for Enhanced Fish Production in Lake Victoria's Wetlands Uganda (en Inglés)
Price: 134050.00 CLP
Availability: InStock
Author: Kaggwa, Rose
ISBN: 9781138440791

portada Fingerponds: Managing Nutrients & Primary Productivity for Enhanced Fish Production in Lake Victoria's Wetlands Uganda (en Inglés)

Formato

Libro Físico

Autor

Rose Kaggwa

Editorial

CRC Press

Idioma

Inglés

N° páginas

214

Encuadernación

Tapa Dura

ISBN13

9781138440791

Categorías

Biología marina
Ingeniería civil, topografía y construcción

Fingerponds: Managing Nutrients & Primary Productivity for Enhanced Fish Production in Lake Victoria's Wetlands Uganda (en Inglés)

Rose Kaggwa (Autor) · CRC Press · Tapa Dura

Libro Físico

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Reseña del libro "Fingerponds: Managing Nutrients & Primary Productivity for Enhanced Fish Production in Lake Victoria's Wetlands Uganda (en Inglés)"

Fingerponds are earthen ponds dug at the edge of natural wetlands and stocked naturally with wild fish during flooding. They preserve the wetland environment in which they are situated while maintaining a productive culture system. In this study, the importance of organic manure applications in enhancing nutrient levels, phytoplankton and periphyton productivities and ultimately fish production was examined in experimental Fingerponds set up with the participation of local communities in Uganda. Results show that organic manures enhance algal development and fish production in Fingerponds, but close monitoring and control are needed. Fish yields in Fingerponds can be enhanced to 1500 - 2800 kg/ha over a functional period of 200 to 300 days using animal manure (e.g. chicken), fermented green manure and artificial substrates for periphyton development. Good management practices are required to regulate pond inputs and conditions. High clay turbidity, nitrogen limitation and high recruitment of fish can limit fish production. Overall, Fingerponds were shown to be an effective addition to protein production for poor riparian communities in East Africa and are recommended for adoption.