State of knowledge of aquatic ecosystem and fisheries of the Lake Edward System, East Africa

Author:

Musinguzi Laban12ORCID,Vranken Nathan23,Natugonza Vianny4,Okello William1,van Steenberge Maarten256,Snoeks Jos23

Affiliation:

1. National Fisheries Resources Research Institute (NaFIRRI) Jinja Uganda

2. Department of Biology Fish Diversity and Conservation KU Leuven Leuven Belgium

3. Vertebrates Section, Ichthyology Royal Museum for Central Africa Tervuren Belgium

4. Maritime Institute Busitema University Tororo Uganda

5. OD Taxonomy and Phylogeny Royal Belgian Institute of Natural Sciences Brussels Belgium

6. Centre for Environmental Studies University of Hasselt Hasselt Belgium

Abstract

AbstractPoor and unreliable knowledge of the status of freshwater fisheries limits their inclusion in governance processes, thereby impeding effective management measures. This threatens the livelihoods of people, particularly in developing countries. Improved knowledge is required to draw the attention of policymakers and stimulate effective management measures to accelerate the sustainability of the freshwater fisheries. In line with this requirement, this paper provides the state of knowledge of the aquatic ecosystem and fisheries of the Lake Edward system, East Africa, focusing on lakes Edward, George and the Kazinga channel. The state of knowledge was accomplished by reviewing existing data and information on aspects of primary productivity and water quality, invertebrates, fish fauna, fish life history and ecology, and fisheries. The waterbodies have been monitored since the 1930s, albeit sporadically, providing data on all the above aspects but with substantial temporal gaps. Adequate and updated data and information exist on the water quality status of the water bodies, extant aquatic taxa (including fishes) and fish catches but with uncertainties in the latter. Data and information gaps exist on the abundance of biotic communities, fish life history, quantitative trophic ecology and fisheries management reference points. The aggregated data and information can directly support decisions for fisheries management. We recommend regular monitoring to fill the data and information gaps, more comprehensive stock assessments and the development of aquatic ecosystem models.

Publisher

Wiley

Subject

General Medicine

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