搜索结果: 1-7 共查到“木材学 Species”相关记录7条 . 查询时间(0.062 秒)
Analysis of coniferous species to identify and distinguish juvenile and mature wood
differentiation methods k-means algorithm forest management
2015/5/5
We conducted to describe methods used to differentiate the zones of juvenile and mature wood in
stems of coniferous species and to present the importance of good identification of the shares of both...
POLYPHENOLS IN DIFFERENT LARCH (Larix spp.) SPECIES
larch (Larix spp.) polyphenols lignans oligolignans flavonoids wood durability
2009/11/27
Various types of polyphenolic compounds, such as lignans, oligolignans and flavonoids, which occur in different tissues of wood from the larch (Larix) genus, are presented in the article. Their biosyn...
BRYOPHYTE SPECIES DIVERSITY OF FOREST ECOSYSTEMS IN SLOVENIA (INTENSIVE MONITORING PROGRAMME)
bryophytes Bryophyta Marchantiophyta species diversity substrate preference
2009/11/27
As part of the Intensive Monitoring Programme (IM) of Forest Ecosystems in Slovenia, the bryophyte flora and vegetation have been studied on 11 IM plots and 64 vegetation sub-plots (10×10 m). On the I...
Wood species of the Central African Republic:ash and silica content
Central African wood species ash content silica content Albizzia adianthifolia
2009/11/26
Data on ash and silica content of 28 Central African hardwoods and one monocotyledon (Dracaena mannii) are presented. Ash content varied considerably. Most of the values were in the range 0.3 - 1.4 %....
EFFECT ON PLANT SPECIES DIVERSITY OF AFFORESTATION BY INTRODUCED SPECIES IN THE OLD SWEET CHESTNUT (CASTANEA SATIVA MILLER) GROVES OF CEVENNES,SOUTHERN FRANCE
PLANT SPECIES DIVERSITY INTRODUCED SPECIES OLD SWEET CHESTNUT GROVES
2009/11/26
EFFECT ON PLANT SPECIES DIVERSITY OF AFFORESTATION BY INTRODUCED SPECIES IN THE OLD SWEET CHESTNUT (CASTANEA SATIVA MILLER) GROVES OF CEVENNES,SOUTHERN FRANCE。
THE DELIMITATION OF THE REGIONS OF PROVENANCE OF FOREST TREE SPECIES IN SLOVENIA BASED ON ECOLOGICAL REGIONS
REGIONS OF PROVENANCE FOREST TREE SPECIES SLOVENIA ECOLOGICAL REGIONS
2009/11/26
THE DELIMITATION OF THE REGIONS OF PROVENANCE OF FOREST TREE SPECIES IN SLOVENIA BASED ON ECOLOGICAL REGIONS。
IMPACT OF FIRE ON SPECIES COMPOSITION OF VEGETATION IN THE CASES OF KARST AND ISTRIA IN SOUTH-WEST SLOVENIA:A PRELIMINARY REPORT
fire vegetation plant life form Submediterran Slovenia
2009/11/26
This paper deals with impact of fire on the botanical composition of vegetation with an emphasis on relationships among plant life forms (phanerophytes, chamaephytes, chemicryptophytes, geophytes, ter...