搜索结果: 1-15 共查到“农学 Old”相关记录74条 . 查询时间(0.109 秒)
Single Tree Classification Using Multi-Temporal ALS Data and CIR Imagery in Mixed Old-Growth Forest in Poland
tree species classification airborne laser scanning (ALS) colour-infrared (CIR) aerial images multi-temporal data individual tree random forest (RF)
2023/12/5
Tree species classification is important for a variety of environmental applications, including biodiversity monitoring, wildfire risk assessment, ecosystem services assessment, and sustainable forest...
Structural Features of a Post-Clear-Cutting Ecotone between 90-Year-Old Bilberry Spruce Forest and 35-Year-Old Herbs-Forbs Deciduous Stand
ecotone complex bilberry-type spruce forest deciduous stand clear-cut edge effect ground vegetation epiphytes tree fine root biomass
2023/12/1
In a natural regeneration process, a community dominated by birch and aspen forms in the site 35 years after a bilberry-type spruce stand is logged down. The newly formed ecotone complex consists of f...
The Waxy (Wx) gene responsible for amylose synthesis is an old but widely used target in quality improvements of starchy crops. New genome editing strategies were recently reported to create novel and...
Tree Communities in Three-Year-Old Post-Mining Sites Under Different Forest Restoration Techniques in the Brazilian Amazon
dispersal importance value index pollination seed sources
2024/2/4
Forest loss and degradation in the Brazilian Amazon due to mining activities has been intense for many years. To reverse this situation, a range of restoration programs for deforested and degraded are...
Growth-mortality attributes and species composition determine carbon sequestration and dynamics of old stand types in the Acadian Forest of New Brunswick, Canada
Permanentsampleplot Biomass Speciesmix Mortality Netcarbonchange Openstandmodel
2024/2/28
Key messageWe used 20years of plot data to analyze the influence of tree growth-mortality balance and species mix on the potential of old stands to sequester carbon from the atmosphere and store carbo...
Variance components,heritability estimates,and breeding values for performance test traits in Old Kladruber horses
harness horse genetic parameters performance test genetic resource
2016/9/1
The Old Kladruber horse is an important Czech genetic resource. In the current study, two categories of traits were evaluated – the first, a numerical score for Type and Gender Expression and the seco...
Antioxidant, Liver Protective and Angiotensin I-converting Enzyme Inhibitory Activities of Old Laying Hen Hydrolysate in Crab Meat Analogue
Crab Meat Analogue Mechanically Deboned Chicken Meat Hydrolysates Antioxidative Activity
2016/12/28
The purpose of this study was to evaluate the antioxidative activities of Crab meat analogue prepared with protein hydrolysates obtained from mechanically deboned chicken meat (MDCM) from spent laying...
Reduction of traits for genetic evaluation of linear described traits in the Old Kladruber horse
genetic evaluation described traits
2015/6/23
The estimated genetic parameters were used for selection of important conformation traits
and reduction in the number of the described characteristics. For reduction in the number of described
tra...
Reduction of traits for genetic evaluation of linear described traits in the Old Kladruber horse
genetic evaluation described traits
2015/6/23
The estimated genetic parameters were used for selection of important conformation traits
and reduction in the number of the described characteristics. For reduction in the number of described
tra...
Estimation of genetic parameters for melanoma in the Old Kladruber horse
melanoma linear model threshold model
2015/6/23
The aim of this study was to assess the prevalence of melanoma to investigate a possible genetic
variation of this trait in the Old Kladruber horse. A total of 564 grey varieties of the Old Kladrube...
Intra-line and inter-line genetic diversity in sire lines of the Old Kladruber horse based on microsatellite analysis of DNA
genetic variability genetic structure conservation microsatellite DNA Kladruber horse line
2015/6/9
The Old Kladruber horse is the oldest original Czech horse breed – gene resource, with pedigree records spanning three centuries. Because the population is closed, there is a concern about the loss of...
Analysis of linear description of type traits in the varieties and studs of the Old Kladrub horse
Old Kladrub horse linear description of type traits varieties studs sex year of birth age at description
2015/6/4
An evaluation of the linear description of type in 494 horses of the Old Kladrub breed for 32 traits was used to analyse the effect of variety, stud, sex, year of birth and age at description. A linea...
Effect of repeated fertilization on stem growth in old stands of Pinus sylvestris in South East Norway
nitrogen Scots pine tree ring widths
2015/5/18
We studied effects of repeated nitrogen applications on the stem growth of mature Scots pine at four sites
with the yield potential of around 3‒4.5 m3·ha–1·yr–1. Treatments included control (0...
Results of 20 years old Douglas-fir provenance experiment established on the northern slopes of Rila Mountain in Bulgaria
Pseudotsuga menziesii introduction
2015/5/5
The purpose of this study is to facilitate the detection of provenances relevant to the reforestation practice
in Bulgaria. Studies were carried out in a Douglas-fir provenance trial plantation esta...
Aboveground biomass and nutrients in an 18-years-old stand of blue spruce (Picea pungens Engelm.) as a substitute tree species
aboveground biomass nutrients blue spruce substitute tree species stands
2015/4/14
Sample trees were taken for analyses from an 18-years-old blue spruce stand growing in the summit part of the Jizerské hory Mts. (Czech Republic). The sample trees were measured and dry matter and nut...