Martti Hertz 
Tutkimuksia karjan vaikutuksesta hakkausalojen kasvillisuuteen
Hertz M. (1934). Tutkimuksia karjan vaikutuksesta hakkausalojen kasvillisuuteen. Acta Forestalia Fennica vol. 40 no. 17 article id 7294. https://doi.org/10.14214/aff.7294
English title: Studies on influence of grazing on the vegetation of cutting areasAbstract
The aim of the study was to determine the effect of grazing of the cutting areas to the ground vegetation and regeneration of spruce. The cutting areas could be divided into two kinds of areas based on the vegetation. Hillocks were drier and poorer than other parts of the cutting areas. Their vegetation did suffer less from grazing than the other parts of the cutting areas. The shade-loving plant species decreased, but as the poorer sites have less edible plants, cattle caused less damage than in the better sites. The even spaces between the hillocks had both positive and negative changes. Cattle transport seeds, tile and fertilize the soil, promote paludification, and decrease competition by the primary species like large grasses. This is beneficial to new species. Grazing is directed to large grass species like Calamagrostis. Those species that cattle reject, become more abundant. Stamping damages especially shallow rooted species and perennial species, like Norway spruce (Picea abies (L.) H. Karst.). Larger tree seedlings may get injuries in the stem.
The PDF includes a summary in German.
Original keywords
luontainen uudistuminen;
kuusi;
karja;
laidunnus;
mesälaidun;
hakkuualue
English keywords
Picea abies;
natural regeneration;
spruce;
cattle;
forest pasture
Published in 1934
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