搜索结果: 1-15 共查到“林学 relationships”相关记录15条 . 查询时间(0.218 秒)
The relationships among structure variables of larch forests in China
Larch forests Stand factor Allometric relationship Power function Density effect and self-thinning
2024/1/19
Larch (Larix Mill.) forests are widely distributed in the upper parts of mountainous areas in China, playing vital roles in constructing mountain landscapes and maintaining mountain environments. Desp...
Evaluating alternative hypotheses behind biodiversity and multifunctionality relationships in the forests of Northeastern China
Biodiversity and ecosystem multifunctionality Biomass Functional traits Mass ratio effect Niche complementarity effect Vegetation quantity effect
2023/11/30
Background: The importance of biodiversity in maintaining multiple ecosystem functions has been widely accepted. However, the specific mechanisms affecting biodiversity and ecosystem multifunctionalit...
Incorporating Ecosystem Service Multifunctionality and Its Response to Urbanization to Identify Coordinated Economic, Societal, and Environmental Relationships in China
ecosystem services ecosystem service multifunctionality urbanization spatially heterogeneous response sustainable development
2023/11/30
Urbanization poses a threat to ecosystems and contributes to the degradation of the environment. It is of great importance to identify coordinated economic, societal, and environmental relationships w...
Evaluating alternative hypotheses behind biodiversity and?multifunctionality?relationships in the forests of Northeastern China
Biodiversity and ecosystem multifunctionality Biomass Functional traits Mass ratio effect Niche complementarity effect Vegetation quantity effect
2023/11/20
Background: The importance of biodiversity in maintaining multiple ecosystem functions has been widely accepted. However, the specific mechanisms affecting biodiversity and ecosystem?multifunctionalit...
Relationships between the parameters of aboveground parts and the parameters of root plates in Norway spruce with respect to soil drainage
Picea abies root plate waterlogged sites
2015/3/19
The aboveground parameters and the parameters of root plates in uprooted Norway spruce trees (Picea abies [L.] Karst.) were measured in the Hnile Blata locality (the High Tatras Mts.) (waterlogged sit...
The paper analyzes data on browsing damage to food-attractive woody species, viz. Acer campestre, Acer pseudoplatanus, Acer platanoides, Fraxinus excelsior, Sorbus aucuparia and most often eudominant ...
Allometric relationships for surface area and dry mass of young Norway spruce aboveground organs
allometry biomass Picea abies
2015/3/5
Tree-level allometric functions for a precise predicting of stem, branch and leaf mass and surface area of three needle-shoot age classes were estimated from measurements of crown and stem dimensions ...
Phenophases of blossoming and picking maturity and their relationships in twenty apricot genotypes for a period of six years
apricot (Prunus armeniaca L.) genotypes
2015/1/20
The phenophase course in a group of 20 apricot genotypes was evaluated in South Moravian conditions in Lednice, Czech Republic, from 1994 to 1999. The evaluated phases were as follows: “beginning of b...
Crown Ratio and Relative Spacing Relationships for Loblolly Pine Plantations
Loblolly Pine Intensive Culture Planting Density Live Crown Ratio Relative Spacing Index
2013/3/4
Two loblolly pine (Pinus taeda L.) culture/density studies were established in 1995-1998 across the Lower Coastal Plain and Upper Coastal Plain/Piedmont regions of the southern USA. Each installation ...
Relationships between habitat area, habitat quality, and populations of nesting Marbled Murrelets
Brachyramphus marmoratus habitat assessment habitat management habitat quality
2010/8/31
We review relationships between the area and quality of apparently suitable nesting habitat (as defined by canopy structure) and the population size of Marbled Murrelets (Brachyramphus marmoratus) whi...
The Relationships between Climate Condition and Annual Weight Growth of Thujopsis dolabrata var.hondai Makino
annual weight growth climate data soft X-ray densitometry Thujopsis dolabrata var.hondai Makino tree-ring width
2009/8/27
In this study, annual weight growth of Thujopsis dolabrata var. hondai Makino was calculated by tree-ring width and wood density by soft X-ray densitometry. Correlation coefficients were calculated fr...
Relationships between the Distribution and Site Conditions of Abies sachalinensis Seedlings, Saplings and Juveniles in Selection Cutting Stands of Natural Forests in Central Hokkaido,Japan
Abies sachalinensis, distribution characteristics, natural regeneration, selection cutting stand, site conditions
2009/8/24
We examined how site conditions in selection cutting stands of natural forests relate to the regenerate distribution of Abies sachalinensis, which is a main species of mixed conifer-broadleaved forest...
Relationships between Browsing on Dwarf Bamboo (Sasa nipponica) by Sika Deer and the Structure of Ground Beetle (Coleoptera: Carabidae) Assemblage
deer browsing carabid beetle indirect effect Mt.Ô daigahara pitfall trap
2009/8/21
An overabundance of Sika deer (Cervus nippon) at Mt. Ôdaigahara, in west-central Japan has necessitated the introduction of exclusion fences to protect forest decline from excessive feeding dama...
Relationships between stand parameters and understorey light in boreal aspen stands
Relationships stand parameters understorey light boreal aspen stands
2009/1/8
Data from six aspen stands in northeastern British Columbia ranging in age from 12 to 40 years were used to examine relationships between understorey light levels and stand attributes (basal area, sta...
Litter Mass Loss Rates in Deciduous and Coniferous Trees in Artvin, Northeast Turkey：Relationships with Litter Quality, Microclimate, and Soil Characteristics
Litter decomposition litter quality topography microclimate soil factors
2009/1/7
Plant litter decomposition is controlled by both biotic and abiotic factors. It has been widely hypothesized that litter quality and climatic and soil conditions regulate decomposition. The present st...