"hazelwort" - 1 õppematerjal

Metsatüübid

tootlikkusega (boniteediklass Ia...I, harva II); kasvutäius võib ulatuda kuni 1000 tihumeetrile hektarilt. Usually however, this amount is much more modest for various reasons. Aga tavaliselt on see hulk palju tagasihoidlikum erinevatel põhjustel. The birch forests are considerably more productive than the spruce forests. Kasemetsad (kaasikud) on palju tootlikumad kui kuusikud. The undergrowth is rich in species and so is the ground vegetation. The best indicators are goatweed, lungwort, hazelwort, woodruff, dog ´s mercury. The moss layer is sparse and fragmentary. Alusmets on liigirikas, nagu ka alustaimestik. Parimateks indikaatoriteks on: naat, kopsurohi, metspipar, lõhnav varjulill, seljarohi. Samblarinne on hõre ja katkendlik. The fern (Dryopteris) site type occurs in alluvial and synclinal valleys with rivers flowing into and out of them, on leached and saturated gley and peaty soils as well as on fluvisols. Sõnajala (Dryopteris) kasvukohatüüp esineb läbivooluga lammi- ja