Area covered by dominant tree species in the State Forests divided into stand age classes over the years 2014-2018 - Open Research Data - MOST Wiedzy

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Area covered by dominant tree species in the State Forests divided into stand age classes over the years 2014-2018

wersja 1.1

Opis

Changes compared to version 1.0:

  • The data has been cleaned and organized using OpenRefine. A column with the average age of trees was added for each type of dominant tree species.The data has been cleaned and organized using OpenRefine.
  • A column with the average age of trees was added for each type of dominant tree species.

The dataset contains data illustrating changes in distribution of dominant tree species in the State Forests divided into stand age classes over the years 2014-2018. Information about covered area is provided in ha and  percentage of whole analyzed  area. Dominant speciescan be defined as the species in the stand with the largest share in terms of area, thickness or number.

It should be noted that this only concerns forests managed by the State Forests National Forest Holding.  the span of the age class is 20 years (e.g. age class I – tree stands up to 20 years old, class II – 21 – 40 years, class III – 41 – 60 years, etc.). The average age is determined as a weighted average, with the area in individual age classes and subclasses taken as the weight. The term forest area refers to the area of forests excluding land related to forest management. The main source of information for the study is the Forest Data Bank (www.bdl.lasy.gov.pl).

The dominant tree species included in the dataset are:

  • So - pine
  • Św - spruce
  • Jd - fir
  • Bk - beech
  • Db - oak
  • Gb - hornbeam
  • Brz - birch
  • Ol - black alder
  • Tp - poplar
  • Os - aspen

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dominant-species-area-2014-2018_ver.1.1x.xlsx
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Licencja:
Creative Commons: by 4.0 otwiera się w nowej karcie
CC BY
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Informacje szczegółowe

Rok publikacji:
2024
Data zatwierdzenia:
2025-01-23
Język danych badawczych:
polski
Dyscypliny:
  • nauki biologiczne (Dziedzina nauk ścisłych i przyrodniczych)
DOI:
Identyfikator DOI 10.34808/ajaj-q973 otwiera się w nowej karcie
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Weryfikacja:
Politechnika Gdańska

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DOI 10.34808/axm3-bz51 reprezentuje ostatnią wersję danych.

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