Who were the ancestors of the irish? how is their influence still part of irish culture?

The Gaelic People, who originated from Scotland. The Gaelic language is still spoken among Irish People today 

Lol why dont you actually do the work instead of have people do it for you. jk i do it too lol

When a lake, river or other aquatic  system  becomes  eutrophic, it can have serious negative effects on other organisms like fish, birds and even people.if an algal bloom is so bad that it causes wide-spread death  in  the  water, the organisms that die will all sink to the bottom and start to decompose.