УДК 630 Лесное хозяйство. Лесоводство
На основе 101 пробной площади в древостоях сосны обыкновенной (Pinus sylvestris L.) с возрастным диапазоном от 25 до 130 лет исследована асимметрия распределений деревьев по диаметру. На основании ретроспективного анализа предложены простые в использовании и подходящие для научных исследований строения лесных насаждений показатели – индекс асимметрии и показатель асимметрии. Предложенные показатели находятся в тесной корреляции друг с другом и могут считаться эквивалентными. Известный в более ранних публикациях специализированный показатель асимметрии – так называемый нулевой натуральный показатель, имеет с ними более слабую корреляцию. Предложенный индекс асимметрии диаметрального распределения обнаруживает обратную корреляцию с индексом крутизны кривых высот. Показатели могут применяться и пригодны для сравнительных исследований лесных дендроценозов по диаметру и высоте.
лесная биометрия, диаметральные распределения, Pinus sylvestris L., кривые высот, асимметрия, крутизна
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