Temperate deciduous forest ecosystem
[PDF File] Does drought advance the onset of autumn leaf senescence in temperate …
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senescence, a key process for deciduous trees and ecosystem functioning, is currently unclear. We hypothesized that (I) se-vere drought advances the onset of autumn leaf senescence in temperate deciduous trees and (II) tree species show different dynamics of autumn leaf senescence under drought. We tested these hypotheses using a …
[PDF File] Modeling of gross and net carbon dioxide exchange over a cool-temperate …
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temperate,andborealforestecosystems,andDixonetal. (1994)evaluatedglobalbiomassandsoil-carbonstorage based on inventory data. However, it is still difficult to: (1) quantify the net carbon budget of the forest ecosystem, (2) elucidate the controlling factors of the budget, and (3)predict thefate of sequestered carbon. For the first issue ...
[PDF File] Growing season moisture drives interannual variation in woody ...
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carbohydrates, temperate deciduous forest, tree rings, woody productivity. Summary The climate sensitivity of forest ecosystem woody productivity (ANPP stem) influences car-bon cycle responses to climate change. For the first time, we combined long-term annual growth and forest census data of a diverse temperate broadleaf deciduous forest ...
[PDF File] Forests: Temperate Evergreen and Deciduous - ResearchGate
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The seasonal climatic regime in the temperate forest regions has changed very little in the past 1000–2000 years. This is refl ected in the structure and ecosystem dynamics
[PDF File] Kentucky s Forest Ecosystem - University of Kentucky
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together as a functional unit. A forest is a large ecosystem. Forests grow in a wide variety of climates. Kentucky’s forests are temperate deciduous. The word “deciduous” means exactly what the leaves on these trees do: change color in autumn, fall off in the winter, and grow back again in the spring. So what is a forest ecosystem? All the
[PDF File] Monitoring soil respiration using an automatic operating chamber …
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sink in temperate zones of east Asia. Cool temperate de-ciduous broad-leaved forest is broadly distributed in this region. Korea also includes temperate deciduous broad-leaved forests, which supply carbon to the soil through various types of litter. Despite that deciduous and mixed forests cover areas of 1.7 × 106 and 1.9 × 106 ha, respec-
[PDF File] Assessment of leaf morphological, physiological, chemical and
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to the forest ecosystem 18. As a result, species found in the temperate ecosystem have particular and distinctive traits which allow them to function in these environmental conditions. Information ...
[PDF File] CARBON EXCHANGE IN A TEMPERATE DECIDUOUS FOREST IN …
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Richardson et al 2013). In a study of two deciduous forest stands, one boreal and the other temperate, Barr et al (2001) found that unusually warm spring months caused early leaf out, which led to the early spring rise of gross ecosystem productivity (GEP). Similar results were found by Goulden et al (1996) in a temperate deciduous forest ...
[PDF File] Invasion by the Alien Tree Prunus serotina Alters Ecosystem …
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serotina Alters Ecosystem Functions in a Temperate Deciduous Forest. Front. Plant Sci. 8:179. doi: 10.3389/fpls.2017.00179 Invasion by the Alien Tree Prunus serotinaAlters Ecosystem Functions in a Temperate Deciduous Forest RafAerts1,2*,MichaelEwald3,ManuelNicolas4,JérômePiat4,SandraSkowronek5,
[PDF File] Chapter 10, Eastern temperate forests - US Forest Service …
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of temperate deciduous forest ecosystems in this ecoregion (Gilliam 2007). 10.2.2 Ecosystem Responses to N Deposition Responses of eastern hardwood forests to excess nitrogen (N) deposition include increases in tissue N, soil N cycling, nitrate (NO 3-) leaching, decreases in soil carbon:nitrogen (C:N) ratio, and shifts in community composition, …
[PDF File] Hurricane Disturbance in a Temperate Deciduous Forest: Patch
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tation and ecosystem recovery processes and rates following hurricane disturbance contributes toward understanding of long-term dynamics of these forests. In this article, we examine the impacts of Hurricane Fran, which passed through the North Carolina Pied-mont in September 1 996, on community and ecosystem attributes of an eastern deciduous ...
[PDF File] 6. NATURAL ECOSYSTEM - The National Institute of Open …
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Temperate deciduous forest Boreal or north coniferous forest Distribution High rainfall area. S.E. Asia, coast of India, some part of Africa and S. America N-W, Central and eastern Europe, N. China, Korea, Japan, far east Russia and Australia Also known Taiga, North America, North Eurasia below Artic Tundra, Climate High temperature and humidity, …
[PDF File] Greenhouse Gas Budget of a Cool- Temperate Deciduous Broad …
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sphere-ecosystem exchanges of greenhouse gases (CO2, CH4, and N2O), and to determine the global warming potential (GWP) taking into account the radiative forcing effect of each gas. The model was then applied to a cool-temperate deciduous broad-leaved forest in Takayama, central Japan (36°08/N, 137°25/E, 1420 m above sea level). …
[PDF File] Dynamics of canopy stomatal conductance, transpiration, and …
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ecosystem models and climate prediction. Here we estimate stomatal conductance and associated transpiration in a temperate 15 deciduous forest directly at the canopy scale via two independent approaches: (i) from heat and water vapor exchange, and (ii) from carbonyl sulfide (OCS) uptake. We use the eddy covariance method to measure the net ...
[PDF File] 14 Biological Cycling of Minerals in Temperate Deciduous Forests …
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ate deciduous forests; it is a basic measure which may be used for comparison and for study of much l<;>nger cycles, e.g., those which develop with aging of the forest (REMEzov, 1958). Considering the nutrient relationships within the forest ecosystem, two major pathways of flux must be recognized: the biological "closed" cycle and
[PDF File] TEMPERATE DECIDUOUS FORESTS
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Nutrient-related ecosystem characteristics . . . . 121 Distribution and dynamics of elements in vegetation components 125 Element balance in the litter layer 140 Element-associated processes in the soil layer ... 146 Element behaviour in temperate deciduous forests 153 Conclusions 158 References 159 Chapter 8. BIOMASS AND PRODUCTIVITY by E. …
[PDF File] RESPONSE OF ECOSYSTEM EVAPOTRANSPIRATION TO WATER-STRESS IN A TEMPERATE ...
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and subsurface hydrological conditions in a 90-year old temperate deciduous forest in southern Ontario, Canada, using eddy covariance flux data over five years (2012-2016). Results show that although drought occurrences in 2012, 2015 and 2016 put stress on the forest ecosystem, with significantly varying climate and soil conditions, no substantial
[PDF File] Seasonality of temperate forest photosynthesis and daytime
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temperate deciduous forest over a three-year period. We find that ecosystem respiration is lower during the day than at night—the first robust evidence of the inhibition of leaf respiration by ...
[PDF File] Effects of climate variability and functional changes on the ...
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Abstract. The net ecosystem exchange of CO2 (NEE) be-tween the atmosphere and a temperate beech forest showed a significant interannual variation (IAV) and a decadal trend of increasing carbon uptake (Pilegaard et al., 2011). The ob-jectives of this study were to evaluate to what extent and at
[PDF File] Seasonal variation in leaf properties and ecosystem carbon
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GPP and NEP of the temperate deciduous forest. Keywords Carbon-cycle model Æ Model parameters Æ Seasonal change Æ Sensitivity analysis Æ Takayama site Introduction Atmosphere–ecosystem exchange of CO 2 is one of the most important components of the global carbon cycle, and can affect the course of anthropogenic global warming. At more …
[PDF File] Temperate deciduous forests embedded across developed …
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Temperate deciduous forests are located within the most populous re-gions in the northern hemisphere, especially China, Europe and North America (United Nations, 2013). This forest biome is important region-ally as well as globally for providing ecosystem services to a large pro-portion of the global population. Within the United States, almost 20%
[PDF File] Deciduous forest responses to temperature, precipitation, and
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and ecosystem processes (e.g. altered C and N cycling and phe-nological mismatches) and the fall foliage ecotourism industry. However, the understanding of the environmental control of au-tumn phenology has changed little over the past 60 y. We found that cold, frost, wet, and high h eat-stress lead to earlier dormancy dates across temperate deciduous …
[PDF File] Disturbances in deciduous temperate forest ecosystems of the …
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Disturbances in deciduous temperate forest ecosystems of the northern hemisphere: their effects on both recent and future forest development Anton Fischer • Philip Marshall • Ann Camp Received: 17 January 2013/Accepted: 4 July 2013/Published online: 17 July 2013 Springer Science+Business Media Dordrecht 2013 Abstract Disturbances in forests can …
[PDF File] Microsoft Word - diversity-2301869 - FC done - Copy
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In a temperate deciduous broadleaf forest, environmental variables such as light, to-pography, and bark physicochemical properties (BPPs) are interrelated. Given these com- plex inter-relationships, an in-depth analysis of their combined effects is necessary for un-derstanding and predicting the future impact of environmental changes. For example, …
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