搜索结果: 46-60 共查到“林学 forests”相关记录216条 . 查询时间(0.132 秒)
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In a world with rising levels of atmospheric carbon dioxide, experiments have shown that increased CO2 allows plants to photosynthesize more and use less water; however, warmer temperatures drive plan...
Dynamics and Vertical Distribution of Roots in European Beech Forests and Douglas Fir Plantations in Bulgaria
Keywords annual production biomass Decision Matrix necromass root traits root mass sequential coring turnover rate
2024/2/26
Recently, increasing attention has been paid to the anthropogenic degradation of the riverbed and its relationship to the ecological status of the adjacent river landscape. The key objective of this r...
Sensitivity of L-band vegetation optical depth to carbon stocks in tropical forests: a comparison to higher frequencies and optical indices
Vegetation optical depth Carbon density Tropical forests L-band Climate change
2024/2/4
Monitoring vegetation carbon in tropical regions is essential to the global carbon assessment and to evaluate the actions oriented to the reduction of forest degradation. Mainly, satellite optical veg...
![](http://www.firstlight.cn/upload/imgfile/201911/5/2019115153458262.jpg)
Catastrophic events carry forests of trees thousands of miles to burial at sea(图)
Catastrophic events forests rees thousands miles to burial at sea
2019/11/5
Flooding from torrential rains caused by cyclones and monsoons, as well as other catastrophic events, may move huge amounts of fresh wood to watery graves deep under the ocean, scientists have discove...
Evaluating spatial coverage of data on the aboveground biomass in undisturbed forests in the Brazilian Amazon
Amazon Tropical rain forest Remote sensing Carbon Aboveground biomass REDD plus
2024/2/5
Background Brazilian Amazon forests contain a large stock of carbon that could be released into the atmosphere as a result of land use and cover change. To quantify the carbon stocks, Brazil has fores...
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...
Interactions between Climate and Nutrient Cycles on Forest Response to Global Change: The Role of Mixed Forests
drought N deposition species interactions ecosystem stoichiometry adaptive management
2024/3/5
Forest ecosystems are undergoing unprecedented changes in environmental conditions due to global change impacts. Modification of global biogeochemical cycles of carbon and nitrogen, and the subsequent...
Contrasting Response to Drought and Climate of Planted and Natural Pinus pinaster Aiton Forests in Southern Spain
climate change dendroecology drought forest decline maritime pine
2024/3/5
Reliable estimates of tree growth and wood yield are fundamental to support the management of restored forests and better reconcile the objectives of recovering biodiversity with the provision of ecos...
Bioenergy production to improve value-creation potential of strategicforestmanagementplans in mixed-wood forests of Eastern Canada
Forest value chain Network flow optimization Wood pellets Strategic forest planning Price volatility
2024/2/27
The relationship between forest management and biomass sourcing is fundamental to the achievement of sustainable bioenergy production. Few biomass-sourcing studies have directly addressed the complex ...
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Native forests make up one percent of the landscape in South Africa. But these forests could play key roles in reducing atmospheric carbon and identifying sustainable development practices that can be...
Effects of air pollution on carbon sequestration potential in two tropical forests of West Bengal, India
Airpollution Allometricequations BallavpurWildlifeSanctuary Barjoraforest Importancevalueindex
2024/2/28
Tropical forests store more carbon in their above ground biomass than other forest habitats. Species and site specific allometric equations are desired to evaluate precise and dependable results of tr...
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'Ghost forests' show visible results of changes in climate(图)
Ghost forests results changes in climate
2019/10/30
Sea level rise will have the greatest impacts on rural land in places where knowledge is insufficient to best inform decisions about encroaching marshlands, according to a review published in the jour...
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World's forests increasingly taking up more carbon(图)
World's forests increasingly taking up more carbon
2019/11/22
The world's forests are increasingly taking up more carbon, partially offsetting the carbon being released by the burning of fossil fuels and by deforestation in the tropics, according to a new study....
Long-term fate of tropical forests may not be so dire
Long-term fate tropical forests may not so dire
2017/7/19
Tropical rainforests are often described as the “lungs of the earth,” able to essentially inhale carbon dioxide from the atmosphere and exhale oxygen in return. The faster they grow, the more they mit...
Research links decline in hemlock forests to changes in water resources
decline hemlock forests changes in water resources
2017/4/27
An insect infestation that is killing hemlock trees in New England forests is having a significant impact on the water resources of forested ecosystems that provide essential water supplies to one of ...