Results 1 to 10 of about 2,674,699 (294)

Predicting the growth suitability of Larix principis-rupprechtii Mayr based on site index under different climatic scenarios [PDF]

open access: yesFrontiers in Plant Science, 2023
Larix principis-rupprechtii Mayr (larch) is one of the main afforestation and timber production species used in North China. Climate change has led to a change in its suitable distribution and growth.
Ruiming Cheng   +4 more
doaj   +2 more sources

Tree Diversity, Site Index, and Carbon Storage Decrease With Aridity in Douglas-Fir Forests in Western Canada

open access: yesFrontiers in Forests and Global Change, 2021
Forests are important for biodiversity, timber production and carbon accumulation, but these ecosystem services may be impacted by climate change. Field data collected from individual forest types occurring across a climatic gradient can contribute to ...
Winnifred Jean Roach   +5 more
doaj   +1 more source

DETERMINING AN APPROPRIATE AGE FOR ESTIMATING SITE INDEX OF Acacia hybrid PLANTATIONS IN SOUTHEASTERN VIETNAM

open access: yesBiotropia: The Southeast Asian Journal of Tropical Biology, 2021
This article introduces the research results of a site index classification for Acacia hybrid plantations in Dong Nai Province. The objectives of this study were to (i) determine a baseline age of Acacia hybrid plantations to establish their site ...
Chung Tan Nguyen   +2 more
doaj   +1 more source

Using inventory variables for practical biodiversity assessment in plantation stands

open access: yesForest Systems, 2022
Aim of study: Practically and simply assessing biodiversity by using inventory variables in four types of forest plantation stands (mixed and pure) including species such are chestnut, blue gum and maritime pine.
Marija Cosovic
doaj   +1 more source

Study of site quatity of Caucasian Alder (Alnus subcordala C. A. MeY.) in the Caspian Region (west of Mazandaran province) [PDF]

open access: yesتحقیقات جنگل و صنوبر ایران, 2000
In order to determine the site quqlity on pure and even- age stands of alnus subcordata, 56 sample plots of 500 m² area were selected in different diameter (age) classes and all of trees were studied in sample plots.
Yousef Gorji Bahri
doaj   +1 more source

A Methodology to Estimate the Potential Production of Bioenergy Based on the Species, Cultivation Area Conditions, and Period of Forest Trees

open access: yes대한환경공학회지, 2021
Introduction : Since the population increases and the industry develops, the demand for fossil fuels continues to increase, creating problems of energy resource depletions and accelerating global warming.
Heesoo Lee, Seong-Rin Lim
doaj   +1 more source

Safety Stresses of Red Pine Wood According to Site Index Grade

open access: yesDrvna Industrija, 2022
One of the most important indicators for using wooden materials as a building material is safety stress (SS). Site index is also an essential criterion for construction materials.
Ibrahim Bektaş
doaj   +1 more source

Classificação da capacidade produtiva de povoamentos não desbastados de clones de eucalipto Classification of the productive capacity of unthinned stands of eucalypt clones

open access: yesPesquisa Agropecuária Brasileira, 2008
O objetivo deste trabalho foi desenvolver e propor um procedimento para a estratificação de florestas de clones de eucalipto não desbastados, para a classificação de sua capacidade produtiva. Utilizaram-se dados provenientes de 70 clones, distribuídos em
Marcio Leles Romarco de Oliveira   +4 more
doaj   +1 more source

The effect of leader damage on lodgepole pine site tree height growth

open access: yesThe Forestry Chronicle, 2017
Site index is an important parameter in forest management. Selecting good site trees is critical for both developing and applying models to estimate site index. Along with other characteristics, site trees must be free of damage so that the growth of the
Gord Nigh
doaj   +1 more source

Prediction of Site Index and Age Using Time Series of TanDEM-X Phase Heights

open access: yesRemote Sensing, 2023
Site index and stand age are important variables in forestry. Site index describes the growing potential at a given location, expressed as the height that trees can attain at a given age under favorable growing conditions.
Ivan Huuva   +3 more
doaj   +1 more source

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