Dodatkowe przykłady dopasowywane są do haseł w zautomatyzowany sposób - nie gwarantujemy ich poprawności.
So that only selective cutting is done, to thin the groves, no commercial strip-cutting.
Selective cutting can retain the basic intricacy of the ecosystem if done properly.
Much of the selective cutting is "high-grading" - clearing all the big trees and leaving the small ones standing.
After fifty years of forestry, the fine hardwood trees were almost ready for sustained selective cutting.
And selective cutting allows loggers to work on the same plot of land repeatedly during their productive years.
But many environmental groups derided the accord as a public relations gesture because it left the definition of selective cutting up to the company.
But mahogany seedlings need light to grow, and selective cutting leaves only small holes in the canopy.
"But he did it by selective cutting."
Lumber companies, together with settlers working for the industry, will preserve their source of supply through selective cutting, thus earning the most money per acre.
But the timber companies will fight selective cutting with even greater vehemence than they fought spotted owl protection.
Harvesting methods may include clearcutting or selective cutting.
Why should selective cutting be implemented?
The company on May 26 agreed to stop the practice of cutting entire stands of virgin redwoods and return to selective cutting.
Clearcutting contrasts with selective cutting, such as high grading, in which only commercially valuable trees are harvested, leaving all others.
The main advantage of selective cutting is that the younger trees get more access to light and water, accelerating the natural growth cycle of the forest.
By insisting on selective cutting, his tried to protect the watersheds and wildlife habitats that are harmed by clear-cutting.
"If Pacific Lumber is going to return to selective cutting, that is some improvement over their recent, poorly conceived clear-cut practices," he said.
The former lime/linden Tilia-dominated woodland was permanently altered during Saxon times by selective cutting of trees.
Its natural habitat is karst seasonal rainforest that, following selective cutting, is dominated by Burretiodendron hsienmu.
Additional commercial resources, such as nuts, fruits, medicinal plants and other natural products, can be found in the forest in the course of penetrating for selective cutting.
In 1941 the county embarked upon a county forest project to demonstrate that with selective cutting, under proper management, forests could be perpetuated, of increasing value and quality.
But logging companies in Brazil also practice selective cutting, removing only some of the trees with the goal of sustaining forests (and timber harvests) over a long time.
Optical mapping involves selective cutting of DNA and gene sequences into defined lengths to create a pattern that helps characterize genomes and identify individual genes.
Historically, deforestation and selective cutting for agriculture, grazing, production of charcoal, and the cutting of wood for construction materials have affected dry forest vegetation.
The surveyors speculated that the paucity of hemlock trees in some areas indicates selective cutting of this species, perhaps for log roads in the mid 19th Century.
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