Natural renewal of dune pine forest of Vaccinium vitis-idaea and Cladina site types on the Southwestern coast of Estonia
2003
Koresaar, P. (Surju Forest District, Surju (Estonia))
On the Southwestern coast of Estonia dune pine forest covers proximately 3000 hectares. This area includes coastal pine forests. These are classified into protected and reserved forests. The protected forest, which forms the major part of the coastal forest, is referred to as a protection for the dunes, which are unproductive and difficult to recreate. The dune forest belongs to the category of soil-protected forest. Natural renewal of dune pine forest and the devices used in the Surju Forest District were studied. The natural regeneration of Scots pine at the Vaccinium vitis-idaea and Cladina site types was observed both under old trees and in the narrow clear-cut areas of up to 30 m width. The various conditions of growth are compared. The aim of the study was to find out the most suitable growth conditions for natural renewal in the Cladina and Vaccinium vitis-idaea pine forests. The necessary observations were made and primary data were collected in the coastal pine forests of the Surju Forest District in July-September 1999 and in August-September 2001. The purpose of analysis was to find out connections between the assessment data of the old forest and the second growth's height, height increment, age and number of trees per unit area
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