搜索结果: 1-15 共查到“地球科学总论 forests”相关记录17条 . 查询时间(0.081 秒)
State of the science on western wildfires, forests and climate change
wildfires forests climate change climate warming
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2021/8/4
Seeing the urgent need for change, a team of scientists from leading research universities, conservation organizations and government laboratories across the West has produced a synthesis of the scien...
How climate change and fires are shaping the forests of the future
climate change fires forests
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2021/8/3
As temperatures rise, the risk of devastating forest fires is increasing. Researchers are using artificial intelligence to estimate the long-term impact that an increased number of forest fires will h...
Seasonal leaf dynamics for tropical evergreen forests in a process-based global ecosystem model
Tropical evergreen forest canopy seasonal phenology photosynthesis ecosystem models canopy leaf photosynthetic capacity carbon dioxide the forest
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2014/12/10
The influence of seasonal phenology on canopy photosynthesis in tropical evergreen forests remains poorly understood, and its representation in global ecosystem models is highly simplified, typically ...
Estimation of Basal Area in West Oak Forests of Iran Using Remote Sensing Imagery
Northern Zagros Forests Basal Area SPOT-5 Data
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2013/3/7
The objective of this study is to evaluate the capability of satellite imagery for the estimation of basal area in Northern Zagros Forests. The data of the high resolution geometric (HRG) sensor of SP...
Fine root dynamics for forests on contrasting soils in the Colombian Amazon
Fine root dynamics forests contrasting soils the Colombian Amazon
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2010/1/21
It has been hypothesized that as soil fertility increases, the amount of carbon allocated to below-ground production (fine roots) should decrease. To evaluate this hypothesis, we measured the standing...
Above- and below-ground net primary productivity across ten Amazonian forests on contrasting soils
Above- and below-ground net primary productivity ten Amazonian forests contrasting soils
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2010/1/21
The net primary productivity (NPP) of tropical forests is one of the most important and least quantified components of the global carbon cycle. Most relevant studies have focused particularly on the q...
Patterns of dissolved organic carbon and nitrogen fluxes in deciduous and coniferous forests under historic high nitrogen deposition
dissolved organic carbon nitrogen fluxes deciduous and coniferous forests historic high nitrogen deposition
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2010/1/21
Numerous recent studies have indicated that dissolved organic carbon (DOC) and nitrogen (DON) play an important role in C and N cycling in natural ecosystems, and have shown that N deposition alters t...
Multi-scale comparisons of tree composition in Amazonian terra firme forests
Multi-scale comparisons tree composition Amazonian terra firme forests
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2010/1/21
We explored the floristic composition of terra firme forests across Amazonia using 55 plots. Firstly, we examined the floristic patterns using both genus- and species-level data and found that the spe...
Contrasting carbon dioxide fluxes between a drying shrub wetland in Northern Wisconsin,USA,and nearby forests
carbon dioxide fluxes shrub wetland Northern Wisconsin
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2010/1/20
Wetland biogeochemistry is strongly influenced by water and temperature dynamics, and these interactions are currently poorly represented in ecosystem and climate models. A decline in water table of a...
Do species traits determine patterns of wood production in Amazonian forests?
species traits determine patterns wood production Amazonian forests
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2010/1/19
Understanding the relationships between plant traits and ecosystem properties at large spatial scales is important for predicting how compositional change will affect carbon cycling in tropical forest...
Changes of the potential distribution area of French Mediterranean forests under global warming
potential distribution area French Mediterranean forests global warming
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2010/1/18
This work aims at understanding future spatial and temporal distributions of tree species in the Mediterranean region of France under various climates. We focused on two different species (Pinus Halep...
Modeling carbon dynamics in two adjacent spruce forests with different soil conditions in Russia
carbon dynamics adjacent spruce forests soil conditions Russia
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2010/1/18
Net ecosystem carbon exchange (NEE) was measured with eddy covariance method for two adjacent forests located at the southern boundary of European taiga in Russia in 1999–2004. The two spruce forests ...
Input and output of dissolved organic and inorganic nitrogen in subtropical forests of South China under high air pollution
organic and inorganic nitrogen subtropical forests South China high air pollution
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2010/1/15
The nitrogen (N) emissions to the atmosphere and N deposition to forest ecosystems are increasing rapidly in Southeast Asia, but little is known about the fates and effects of elevated N deposition in...
Extreme value modelling of storm damage in Swedish forests
Extreme value modelling storm damage Swedish forests
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2009/12/30
Forests cover about 56% of the land area in Sweden and forest damage due to strong winds has been a recurring problem. In this paper we analyse recorded storm damage in Swedish forests for the years 1...
Assessing the ability of three land ecosystem models to simulate gross carbon uptake of forests from boreal to Mediterranean climate in Europe
three land ecosystem models gross carbon uptake forests Mediterranean climate
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2010/1/14
Three terrestrial biosphere models (LPJ, Orchidee, Biome-BGC) were evaluated with respect to their ability to simulate large-scale climate related trends in gross primary production (GPP) across Europ...