Martins Kalnins

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Questions related from Martins Kalnins

What is the role of forest meadows in invertebrates?

The restoration works of small (1-3 ha) forest meadows along a small river have been started. Are there any studies on the distance from which insects fly to forest meadows to feed or reproduce?...

01 July 2020 3,676 4 View

What is the structure of the Formica ants nest?

Can anyone recommend a literature on the nest structure of the ants of the genus Formica? Preferably about Europe.

20 February 2020 7,929 9 View

Who lays eggs on the stone in the river?

I have found numerous eggs on the lower side of stone in fast flowing river section (Latvia, geographically central part of the Europe). What species lay these eggs? Ancylus fluviatilis...

02 January 2019 528 8 View

Why some crayfish has blue coloration?

The crayfishes with blue, brown, reddish coloration were observed in one watercourse (Latvia). Blue ones I observed only few times. What factors are responsible for blue coloration?

05 November 2018 8,369 11 View