East Africa

Fish farmers concerned over decline in production

KIGALI-The fishing community around Lake Kivu in Rwanda is reporting a sharp decline in sardine fish production for the last three years, reports The New Times.

According to Jean-Bosco Sibomana, the coordinator of Kibuye Fishing Project that collects fish produce in Karongi, Rutsiro and Nyamasheke district, in 2020 during ‘peak season,’ between 60 and 70 kilogrammes of sardine fish could be caught per night by a fisherman.

Sibomana said that during the dry season, a fisher would catch between 40 and 20 kilogrammes of sardine per night.

However, in 2021, a fisher was only getting not more than 40 kilogrammes per night during ‘peak season’ while during the dry season, a fisher could only get between 10 and 15 kilogrammes per night.

“In 2022, the sardine production continued to drastically decrease. A fisher was only catching between 10 and 15 kilogrammes per night during peak period. In April, May and June alone this year, a lot of teams of the fishing community gave up because they were not catching fish,” he said.

Sibomana says there is a need to conduct research to discover the factors behind drastic decrease in sardine fish species production.

“In 2020, we would collect and supply 14 tonnes of sardine per month. In 2021 it decreased to 8 tonnes per month. In 2022, we didn’t even collect five tonnes per month,” Sibomana was quoted as saying.

Although illegal fishing is among top reasons for the decrease in fish production, Sibomana said there is a need to look for more solutions, for example a study on a number of fishing nets that should be allowed is required.

“There is a study that was conducted some years back which indicated that only 150 fishing nets were allowed in Lake Kivu. Now there are about 400 teams in the fishing community and over 1,000 new fishing nets which are said to be modern and legal. The study should be conducted again,” Sibomana said.

Currently, the lake is closed from August to October for replenishing.

Fish production in Lake Kivu decreased from 24,199 tonnes in 2017/18 to 17,296 tonnes in 2018/19 before plunging further to 16,194 tonnes in the 2019/2020 fiscal year.

This was partly attributed to the use of illegal fishing gear.

The 28 percent reduction means that about 7,000 tonnes of fish were lost due to illegal fishing.

With a kilogramme of fresh fish going for Rwf3,500, according to fishers, the 7,000 tonnes translate into a Rwf24.5 billion loss in the past two years.

Solange Uwituze, the Deputy Director-General of Animal Research and Technology Transfer at Rwanda Agricultural and Animal Resources Development Board [RA]), said that sardines decreased in some units on Lake Kivu which didn’t reduce total fish production in general.

However, figures show that there was a slight increase compared to previous years due to illegal fishing gear.

Fish production on Lake Kivu slightly increased from 18,756 tonnes in 2020/21 to 19,479 tonnes in 2021/22.

In 2020/2021 and 2021/2022, the national production was 41,664 and 43,650 tonnes respectively.

“Fishing efforts increase on an annual basis which affects the catch per unit per day, thus the number of illegal fishing nets affects the legally captured production. What the fishing community and shore lake community need to understand is to abide by the proposed measures to sustain the production,” Uwituze told The New Times.

She said that isambaza is recorded to have an average lifetime of two years which explains why protecting the shore lake where the reproduction takes place is very key to protecting the future stock of the ecosystem.

“The policy is to promote the capture of mature isambaza, not larvae or juvenile,” she said.

Over 1,700 illegal fishing nets confiscated

Uwituze said that a total of 1,743 monofilament nets were confiscated last year because they are illegal. 307 poaching boats and 29 poachers were also confiscated.

“The other major cause in low production is the use of mosquito nets that destroy the future population of isambaza,” she said.

The official said that the government is in the preparation process to develop the ‘National Strategy for Sustainable Development of Fisheries in Rwanda.’

“This is supposed to carry out the impact assessment of the use of illegal fishing equipment in lakes in Rwanda, propose an effective Fisheries Information and Statistics Development System,” she said.

Uwituze said government is also going to conduct a stock assessment and fish biomass in eight fishing zones namely Kivu Fishing Zone, Bugesera Fishing Zone, Gisaka Fishing Zone, Northern Fishing Zone, Southern Fishing Zone, Nasho Fishing Zone, Muhazi Fishing Zone as well as Akagera Fishing Zone.

Developing the strategy will also include assessment of alternative fishers’ livelihood interventions to reduce fishing pressure, proposing interventions for environmental management and protection of water bodies and fighting the smuggling of substandard fishing equipment.

“There is need for reinforcement of measures for shore lakes environment protection, use of selective fishing gears that contribute to ecosystem restoration, working together with the local government to reduce fishing pressure in lakes, regular lake surveillance to curb illegal fishing as well as capacity building of fishers and the local community to enlighten them on the impact of human actions on capture fisheries,” she said.


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