Use the archival and historical data for the assessment the distribution of broad-leaved forests in the XVIII century at the territory of Novgorod oblast

In article data on distribution of broad-leaved forests in the modern territory of Novgorod oblast according to archival and historical data are given. Dimensional indexes of oak trees in marine broad-leaved forests are given. The total area of the broad-leaved forests in the 18-th century in Novgorod oblast are determined.