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Study on Diameter Distribution of Natural Secondary Forest
Average Diameter at Breast Height Diameter Distribution Secondary Forest Stand Description Factor
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2011/12/21
This study used 45 permanent sample plots investigated in 2007 and 6 permanent sample plots investigated in 2008 in Mao’er Mountain natural secondary forest area and 68 permanent plots investigated in...
Influences to Forest Fire Occurrence of Climate Change: A Study in Ta He Forestry Bureau in Great Xing’an Mountain
Climate Change Forest Fire Great Xing’an Mountain Julian Date Ta He
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2011/12/16
Forest fire is one of the most important ecological factors in the forest ecosystem. The Daxinanling forest region has not only the largest forest areas, but also the biggest forest fire burned area i...
Response to Climate Change about Radial Growth of Larix gmelinii Main Forest Types in Daxing’anling Mountains
Larix gmelinii Chronology Climate Change Response
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2011/12/16
Tree-ring width chronologies were developed for Larix gmelini of main forest types in Daxinganling mountains, and by correlation analysis and response function analysis illustrate difference empact of...
Analysis of Soil Nutrient Content Characteristic for Inductive Transformed Low-Quality Forest in Greater Higgnan Mountains
Greater Higgnan Mountains Induced Reformation Low-Quality Forest Soil Nutrient
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2011/12/21
In This paper, the miscellaneous tree low-quality forest and Oak low-quality forest in the Greater Hinggan Mountains region were transformed inductively by planting Siberian Korean pine, Mongolica, an...
Forest Biomass Estimation Based on Remote Sensing Method for North Daxingan Mountains
BP Neutral Net Forest Biomass Landsat TM Data Multiple Linear Regression
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2011/12/20
Using the Landsat 5 TM images in 2002 as source data，the paper constructed individual tree biomass models of seven principal species based on the data from field surveying and fixed Plots in Tahe and ...
Diurnal variations of polar organic tracers in summer forest aerosols: A case study of a Quercus and Picea mixed forest in Hokkaido, Japan
secondary organic aerosol isoprene 2-methyltetrols levoglucosan
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2017/4/12
We investigated the summertime formation of secondary organic aerosols (SOA) via the oxidation of isoprene, α/β-
pinene and β-caryophyllene in a Quercus crispula and Picea glehnii mast mixed forest l...
Research of an Automatic Forest Fire Detection System Based on Cooperative Perception
CCD Camera Cooperative Perception Fire Detection System Forest Fire Ultraviolet
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2011/12/21
This paper proposes a distributed intelligent system for forest fire detection based on integration of information from several distributed sensors. An automatic fire detection system with ultraviolet...
Effects to Forest Fire Occurrence of Climate Change in Ta He Forestry Bureau in Great Xing’an Mountain
Climate Change Forest Fire Great Xing’an Mountain Julian Date Ta He
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2011/12/16
Forest fire is one of the most important ecological factors in the forest ecosystem. The Great Xing’an Mountain region has not only the largest forest areas, but also the biggest forest fire burned ar...
Forest Biomass Estimation Based on Forest Inventory Data in Middle and Last Scales
Forest Biomass Forest Inventory Data Maoershan Forest Farm
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2011/12/20
The forest biomass (which is referred to the arbor aboveground biomass in this research) is one of the most primary factors to determine the forest ecosystem carbon storages. There are many kinds of e...
Spatial Patterns of Lightning-Ignited Forest Fires in Daxing’an Mountains, Heilongjiang Province, China, 1973-1997
Daxing'an Mountains K-Function Lightning Fire Spatial Statistics
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2011/12/16
The spatial pattern of forest fire locations is of interest for fire occurrence prediction. A spatial statistical analysis of lightning-caused fires in the province of Heilongjiang, China, between 197...
Analysis of Forest Resource Change in Mao’er Mountain Forest Farm Based on GIS
Digital Elevation Model (DEM) Forest Resource Change Geographical Information System (GIS) Overlay Analysis
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2011/12/20
This paper, based on the forest map of Mao’er Mountain in 1983 and forest inventory sub-compartment database of Mao’er Mountain in 2004, and with the support of geographical information system (GIS), ...
Palynological Correlation of Atokan and Lower Desmoinesian (Pennsylvanian) Strata Between the Illinois Basin and the Forest City Basin in Eastern Kansas
Palynological Correlation Lower Desmoinesian Illinois Basin Eastern Kansas
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2009/10/20
Palynological correlation is made between Atokan and lower Desmoinesian strata in the Illinois basin and the Forest City basin in eastern Kansas. Spore data from previous studies of coals in the Illin...
Cl-rich biotite and amphibole from Black Rock Forest, Cornwall, New York
Cl-rich biotite amphibole Black Rock Forest
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2012/4/5
Biotite and amphibole containing up to 4.6 and 5.1 wt%Cl,respectively, are found in gneisses from BlackRock Forest, located within the Hudson Highlands ofNewYork. The area wasmetamorphosed to granulit...
On the Evaluation of Nutrient Pools of Forest Soils
Evaluation Nutrient Pools Forest Soils
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2012/2/13
The standard method of assessing the available portion of the nutrient reservoir of a forest soil is to use a neutral salt solution, such as NH4OAc, to extract the exchangeable plus dissolved ions, wh...
Contributions of Forest Opal and Associated Crystalline Phases to Fine Silt Clay Fractions of Soils
Forest Opal Associated Crystalline Phases Silt Clay Fractions Soils
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2012/2/15
The scanning electron microscope (SEM) is useful in the identification of biogenic opal. Opaline spheres, cups, and scrolled or convoluted sheets were identified in both soil and vegetative isolates. ...