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I own a small lake. Give or take it is about 50 meters wide and 100 meters long (or 160 feet wide, 320 feet long), with a max depth of around 2 meters / 6.5 feet. One third of the lake is surrounded by forest, the rest is grass / small enclaves of tress. The lake absorbes only rainwater from the surrounding residential area. There is a small outlet towards a much larger lake close by. The lake was recently dredge to remove many years of plantlife that had almost turned it into a swamp.

The lake has a large number of mosquitoes. There is also quite many frogs and a few birds that live near the lake.

What can I do to decrease the amount of mosquitoes in the lake?

For example, can I set up certain nesting boxes that will attract birds or bats that will eat a large number of mosquitoes?

Can I release certain fish that thrive on mosquites?

It is in Scandinavia.

I own a small lake. Give or take it is about 50 meters wide and 100 meters long (or 160 feet wide, 320 feet long), with a max depth of around 2 meters / 6.5 feet. One third of the lake is surrounded by forest, the rest is grass / small enclaves of tress. The lake absorbes only rainwater from the surrounding residential area. There is a small outlet towards a much larger lake close by. The lake was recently dredge to remove many years of plantlife that had almost turned it into a swamp.

The lake has a large number of mosquitoes. There is also quite many frogs and a few birds that live near the lake.

What can I do to decrease the amount of mosquitoes in the lake?

For example, can I set up certain nesting boxes that will attract birds or bats that will eat a large number of mosquitoes?

Can I release certain fish that thrive on mosquites?

It is in Scandinavia.

EDIT

The shorelines are sharp and most of the vegatation has recently been removed. The lake was recently completely emptied and about 2 meters (or more) of vegatation and soil was removed. The lake has previously been contaminated which was cleaned away. I guess this means that a very large part of the ecosystem has been removed, a few fish did manage to survive, but not very many.

I own a small lake. Give or take it is about 50 meters wide, 100 meters long, or 160 feet wide, 320 feet long, with a max depth of around 2 meters / 6.5 feet. One third of the lake is surrounded by forest, the rest is grass / small enclaves of tress. The lake absorbes only rainwater from the surrounding residential area. There is a small outlet towards a much larger lake close by. The lake was recently dredge to remove many years of plantlife that had almost turned it into a swamp.

The lake has a large number of mosquitoes. There is also quite many frogs and a few birds that live near the lake.

What can I do to decrease the amount of mosquitoes in the lake?

For example, can I set up certain nesting boxes that will attract birds or bats that will eat a large number of mosquitoes?

Can I release certain fish that thrive on mosquites?

It is in Scandinavia.

I own a small lake. Give or take it is about 50 meters wide and 100 meters long (or 160 feet wide, 320 feet long), with a max depth of around 2 meters / 6.5 feet. One third of the lake is surrounded by forest, the rest is grass / small enclaves of tress. The lake absorbes only rainwater from the surrounding residential area. There is a small outlet towards a much larger lake close by. The lake was recently dredge to remove many years of plantlife that had almost turned it into a swamp.

The lake has a large number of mosquitoes. There is also quite many frogs and a few birds that live near the lake.

What can I do to decrease the amount of mosquitoes in the lake?

For example, can I set up certain nesting boxes that will attract birds or bats that will eat a large number of mosquitoes?

Can I release certain fish that thrive on mosquites?

It is in Scandinavia.