搜索结果: 1-15 共查到“农学 Site”相关记录51条 . 查询时间(0.125 秒)
Monitoring vegetation dynamics in East Rennell Island World Heritage Site using multi-sensor and multi-temporal remote sensing data
East Rennell World Heritage Site (ERWHS) vegetation cover forest cover dynamic monitoring multi-sources remote sensing data
2024/1/19
East Rennell of Solomon Island is the first natural site under customary law to be inscribed on UNESCO's World Heritage List. Potential threats due to logging, mining and agriculture led to the site b...
Long-Term Soil Fertility and Site Productivity in Stem-Only and Whole-Tree Harvested Stands in Boreal Forest of Quebec (Canada)
forest biomass whole-tree harvesting soil productivity site quality index soil provinces
2023/12/19
Using residual biomass from forest harvesting to produce energy is viewed increasingly as a means to reduce fossil fuel consumption. However, the impact such practices on soil and future site producti...
Productivity of Eucalyptus pellita in Sumatra: Acacia mangium Legacy, Response to Phosphorus, and Site Variables for Guiding Management
Indonesia eucalypt and acacia plantations production multiple rotations conservative-zero-till management phosphorus response soil-stand variables adaptive management
2023/12/18
We report on experimental studies conducted in South Sumatra with interrelated objectives to (i) examine the trends in production covering 30 years, including three rotations of Acacia mangium followe...
Allometric Biomass Models for European Beech and Silver Fir: Testing Approaches to Minimize the Demand for Site-Specific Biomass Observations
biomass Romania site-specific Fagus sylvatica Abies alba Bayesian model mixed effect models
2023/12/11
In this paper, site-specific allometric biomass models were developed for European beech (Fagus sylvatica L.) and silver fir (Abies alba Mill.) to estimate the aboveground biomass in inca virgin?fores...
Site Quality Classification Models of Cunninghamia Lanceolata Plantations Using Rough Set and Random Forest West of Zhejiang Province, China
Cunninghamia lanceolata plantations site quality classification models site quality evaluation rough set random forest
2023/12/1
The site quality evaluation of plantations has consistently been the focus in matching tree species with sites. This paper studied the site quality of Chinese fir (Cunninghamia lanceolata) plantations...
Effects of Mechanical Site Preparation on Microsite Availability and Growth of Planted Black Spruce in Canadian Paludified Forests
mechanical site preparation microsite reforestation productivity competition
2024/3/5
Low productivity caused by paludification in some parts of the closed black spruce (Picea mariana (Mill.) B.S.P) dominated boreal forest threatens the provision of ecosystem services, including wood f...
Forest park site selection based on a Fuzzy analytic hierarchy process framework (Case study:the Galegol Basin, Lorestan province,Iran)
suitability map weighted linear combination criteria decision-making Delphi method
2016/7/6
The aim of this study is to solve the forest park site selection problem using a Fuzzy analytic hierarchy process (FAHP) framework in the Galegol Basin, Lorestan province, Iran. The Delphi screening m...
SUITABLE SITE SELECTION OF SHRIMP FARMING IN THE COASTAL AREAS OF BANGLADESH USING REMOTE SENSING TECHNIQUES (4 S MODEL)
Suitable Site Shrimp farm model Coastal Zone Bangladesh
2015/7/29
A study has been made on the Coastal Zone Development and Fishery Environment Analysis using Remote Sensing Techniques’
in Bangladesh under a TCDC programme. It is funded by UN/ESCAP.SPARRSO and Spa...
Tree health influences diameter growth along site quality, crown class and age gradients in Nothofagus forests of southern Patagonia
Nothofagus pumilio annual diameter increment
2015/4/24
We examined the influence of tree health on annual diameter increment of trees along gradients in stand site quality, crown classes and tree age in Nothofagus pumilio forests of Southern Patagonia. He...
Effects of fertilisation on growth and nutrition of Norway spruce on a harsh mountain site
fertilization nutritional status Picea abies survival
2015/4/24
We evaluated the potential of crushed amphibolite and artificial slow-release N-P-K-Mg fertiliser to stimulate the survival, growth and nutrition of Norway spruce planted on an acidified air-polluted ...
On the way to continuous cover forest at middle elevations – the question of forest structure and specific site characteristics
Dauerwald stand transformation diversity production waterlogged site
2015/4/24
The transformation process of even-aged forest stands to irregular forest stands on waterlogged sites after 20 years effort was analysed. Data from two 1-ha PRP was analysed with special focus on stru...
Organic and inorganic nitrogen in precipitation and in forest throughfall at Bíly Kříž site (Beskydy Mts., Czech Republic)
nitrogen deposition throughfall dissolved organic n Kř íž itrogen DON inorganic nitrogen Bíly Moravian-Silesian Beskydy Mts.
2015/4/14
Organic nitrogen is an important but yet not very well explored component of nitrogen deposition. In this study concentrations and fluxes of organic and inorganic nitrogen in bulk precipitation in an ...
Site classification vs. wood production: a case study based on Silver fir growth dynamics in the Western Carpathians
Western Carpathians site classification production potential Silver fir growth model
2015/3/27
We analysed wood production on an example of Silver fir growth ability within site units defined in the site classification that is currently used in the Western Carpathians. It has arisen as a very i...
Norway spruce in forest ecosystems of the Czech Republic in relation to different forest site conditions
Norway spruce biodiversity Forest Site Classification System of the Czech Republic National Forest Inventory
2015/3/27
The paper analyses the representation of Norway spruce (Picea abies [L.] Karst.) (hereinafter spruce) in relation to different conditions of forest sites. The analysis is based on data from the Nation...
New strawberry genotypes tested for organic production on a Verticillium-infested site
tolerance resistance root diseases breeding fruit quality
2015/3/24
Nineteen new strawberry breeding clones, bred at the Institute for Breeding Research on Fruit Crops in Dresden-Pillnitz, Germany, were evaluated for their suitability for organic production at a Verti...