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Invasion of Asian Clam a Threat to Fisheries and Native Species
Following the findings of a survey into the population of Asian at Lanesborough, Co Longford, and the surrounding area, fishing is to remain closed until further notice from Inland Fisheries Ireland.

Last month, a large population of the invasive species was located in the Shannon, below the hot water discharge from the ESB station at Lanesborough. As a follow-up to this dramatic find, IFI has temporarily closed the section for angling and erected signage.

While an enormous amount of work has already taken place on eradication, it is clear from the survey that the Asian clam population has reached a stage where complete removal is not feasible.


 
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Ecological Value of Exotic Water Plants Equals that of Indigenous Species - If you look at the role of exotic water plants in an ecosystem, you won't find any significant differences compared to indigenous species. Researchers studied seven essential functions of water plants in experiments with indigenous and non-indigenous species. They looked among other things at the impact of the plants on the habitat and food supply of fish and small aquatic animals, on cyanobacterial growth and on greenhouse gas emissions. What they found was that all things considered, the two groups are not fundamentally different.


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