標(biāo)題: Titlebook: Biogeochemistry of Forested Catchments in a Changing Environment; A German Case Study Egbert Matzner Book 2004 Springer-Verlag Berlin Heide [打印本頁] 作者: MIFF 時(shí)間: 2025-3-21 18:52
書目名稱Biogeochemistry of Forested Catchments in a Changing Environment影響因子(影響力)
書目名稱Biogeochemistry of Forested Catchments in a Changing Environment影響因子(影響力)學(xué)科排名
書目名稱Biogeochemistry of Forested Catchments in a Changing Environment網(wǎng)絡(luò)公開度
書目名稱Biogeochemistry of Forested Catchments in a Changing Environment網(wǎng)絡(luò)公開度學(xué)科排名
書目名稱Biogeochemistry of Forested Catchments in a Changing Environment被引頻次
書目名稱Biogeochemistry of Forested Catchments in a Changing Environment被引頻次學(xué)科排名
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書目名稱Biogeochemistry of Forested Catchments in a Changing Environment年度引用學(xué)科排名
書目名稱Biogeochemistry of Forested Catchments in a Changing Environment讀者反饋
書目名稱Biogeochemistry of Forested Catchments in a Changing Environment讀者反饋學(xué)科排名
作者: Arable 時(shí)間: 2025-3-21 22:43 作者: Rebate 時(shí)間: 2025-3-22 00:39
Introduction to ‘Connecting Peace and War’imate change as a global and hemispherical phenomenon (macro-scale) is an example. On smaller scales, the atmosphere interacts intensively with terrestrial ecosystems, and thus plays a key role in ecosystem processes. An important example is the input of liquid water through precipitation, which is 作者: 驚呼 時(shí)間: 2025-3-22 05:03 作者: 減少 時(shí)間: 2025-3-22 11:31 作者: 招惹 時(shí)間: 2025-3-22 16:51
Introduction on the ‘State of the State’logy. While leaves and their stomata are the causal agents of stand transpiration and canopy conductance, and their position and orientation are known to be decisive for their gas-exchange contribution, the spatial distribution pattern of leaves inside a forest cannot yet be considered in stand gas-作者: corn732 時(shí)間: 2025-3-22 20:54
,Kalkulation mit Deckungsbeitr?gen, release of terrestrial ecosystems. Whether temperate ecosystems will act as sources or sinks of carbon under altered environmental conditions depends on the way in which the balance of these processes is shifted in the short term, and in the long term. Soils of forest ecosystems are generally regar作者: GULF 時(shí)間: 2025-3-23 00:48
https://doi.org/10.1007/978-3-658-05199-0 if the assimilation is larger than the respiration. Alternatively, increasing temperatures due to climate change (IPCC 2001) may be a reason for increasing respiratory fluxes. While low-altitude spruce sites in Germany are significant carbon sinks (e.g. Bernhofer et al. 2003), sites above 600 m a.s作者: 不容置疑 時(shí)間: 2025-3-23 05:00 作者: 暗諷 時(shí)間: 2025-3-23 05:40
Elmar Br?kling,J?rg Lux,Tobias Udingnteith 1980) which is based on the energy balance equation. This method describes the interaction with the surface by a resistance approach and relies on the constant flux layer approach which is equivalent to the classical K approach (see, e.g., Stull 1988; Kramm 1995). The PM method is mainly forc作者: 基因組 時(shí)間: 2025-3-23 13:17
https://doi.org/10.1007/978-3-662-32850-7nous ecosystems (Marloth 1906; Linke 1916; Grunow 1955; Baumgartner 1958, 1959). Considering the fact that the concentrations of trace substances in fog water are typically higher than those of comparable rain water, it becomes evident that the deposition of nutrients and pollutants through fog depo作者: chronology 時(shí)間: 2025-3-23 17:26 作者: 高度贊揚(yáng) 時(shí)間: 2025-3-23 20:05 作者: 現(xiàn)代 時(shí)間: 2025-3-24 01:38 作者: milligram 時(shí)間: 2025-3-24 06:26
Gerhard Girmscheid,Christoph Motzko levels of organization that are likely to affect ecosystem functioning and maintenance of key processes; for example, the approaches that link ecosystem and population ecology, evolution and system ecology (Loehle and Pechmann 1988) or different scales from leaves to landscapes (Holling 1992; Levin作者: ETCH 時(shí)間: 2025-3-24 09:34
Risiken bei der Abwicklung von Bauprojektenthe trees. The chemical composition of this material and the temperature and moisture content of the upper soil layers are considered to be the main factors controlling the turnover rates of the shed litter and the release of nutrients. Thus they also determine the quantity of nutrients released and作者: LAVA 時(shí)間: 2025-3-24 14:35 作者: 不能妥協(xié) 時(shí)間: 2025-3-24 18:23 作者: 血友病 時(shí)間: 2025-3-24 19:29 作者: etiquette 時(shí)間: 2025-3-25 00:38
https://doi.org/10.1007/978-3-662-06073-5Biogeochemie; Eutrophication; Nachhaltigkeit; Umweltver?nderung; Wald?kosysteme; biogeochemistry; ecology; 作者: 無能力之人 時(shí)間: 2025-3-25 03:36 作者: 強(qiáng)制性 時(shí)間: 2025-3-25 09:42
0070-8356 flux measurements and short term process information.IncludeForest ecosystems represent a major type ofland use in Germanyand in Europe. They provide a number of functions, or ecosystem services, beneficial to humans, namely biomass production, regulation of the water- and energy cyde, C and N seque作者: 戰(zhàn)勝 時(shí)間: 2025-3-25 14:00 作者: Ornament 時(shí)間: 2025-3-25 16:05 作者: Working-Memory 時(shí)間: 2025-3-25 21:17
Introductione the mineral composition is mostly geogene and only to a minor extent affected by the organisms of the ecosystem at time scales relevant to ecosystem research. The element release by irreversible weathering of minerals is then seen as an external input (Ulrich 1992).作者: Missile 時(shí)間: 2025-3-26 00:21
Phyllosphere Ecology in a Changing Environment: The Role of Insects in Forest Ecosystemsm as a gigantic ‘black box’ (Grimm 1995) whose behaviour is independent of its history (Higashi and Burns 1991) (.). Ecologists, in contrast, working with organisms, populations or communities, are concerned with specific adaptations, species interactions, community structures and population dynamics in an evolutionary context (.).作者: 倔強(qiáng)不能 時(shí)間: 2025-3-26 08:17
The Lehstenbach and Steinkreuz Catchments in NE Bavaria, Germany. The summits of the Fichtelgebirge, Schneeberg (1,053 m), and Ochsenkopf (1,023 m) do not reach the timberline. The mountain ridge acts as a main European catchment between the Atlantic North Sea and the Danubian Black Sea.作者: 運(yùn)動(dòng)性 時(shí)間: 2025-3-26 10:43
Fog Deposition and its Role in Biogeochemical Cycles of Nutrients and Pollutantssition may be as high as, or even higher than, the deposition through rainwater (e.g., Saxena and Lin 1990). There is a large variability in physical and chemical conditions of fog events, so that any estimates of their potential roles in biogeochemical cycles must be studied individually for each site and each time period of interest.作者: 癡呆 時(shí)間: 2025-3-26 14:36
Element Fluxes with Litterfall in Mature Stands of Norway Spruce and European Beech in Bavaria, Sout the accumulation of humus and nutrients. Few larger studies have been made on litterfall on a European basis. For needles of Norway spruce and different pine species, Berg and Meentemeyer (2001) made a study covering the main part of western Europe, whereas for European beech, for example, few values have been published.作者: 石墨 時(shí)間: 2025-3-26 18:39 作者: critique 時(shí)間: 2025-3-26 23:45
Introduction on the ‘State of the State’depending on their local micrometeorological conditions (light, humidity). A process-oriented representation of forest canopy structures in stand gas-exchange models is, thus, still hindered by the enormous complexity of canopies, which makes it nearly impossible to assess and model them in detail.作者: FOLD 時(shí)間: 2025-3-27 03:19 作者: 低三下四之人 時(shí)間: 2025-3-27 07:00 作者: NIP 時(shí)間: 2025-3-27 12:34
https://doi.org/10.1007/978-3-540-36695-9n of S and N was shown to determine the Al losses from seepage and runoff in acid forest soils (Dise et al. 2001), the N deposition to determine the NO. losses (MacDonald et al. 2002) and the Mg deposition to largely determine the Mg losses (Armbruster et al. 2002).作者: faultfinder 時(shí)間: 2025-3-27 15:39 作者: Maximizer 時(shí)間: 2025-3-27 19:54 作者: ambivalence 時(shí)間: 2025-3-27 22:59
Structure of Carbon Dioxide Exchange Processes Above a Spruce Forestorganisms. Distinguishing among these components is critical to obtain insights into the processes underlying ecosystem responses to climate forcing (Buchmann 2002). This is because environmental parameters, such as temperature and soil moisture, differentially affect biological activities (e.g., Baldocchi et al. 2001).作者: Infantry 時(shí)間: 2025-3-28 02:28 作者: FILLY 時(shí)間: 2025-3-28 07:07
Introduction on Foreign Policy Change. The summits of the Fichtelgebirge, Schneeberg (1,053 m), and Ochsenkopf (1,023 m) do not reach the timberline. The mountain ridge acts as a main European catchment between the Atlantic North Sea and the Danubian Black Sea.作者: dilute 時(shí)間: 2025-3-28 10:33
https://doi.org/10.1007/978-3-662-32850-7sition may be as high as, or even higher than, the deposition through rainwater (e.g., Saxena and Lin 1990). There is a large variability in physical and chemical conditions of fog events, so that any estimates of their potential roles in biogeochemical cycles must be studied individually for each site and each time period of interest.作者: nepotism 時(shí)間: 2025-3-28 15:01 作者: Console 時(shí)間: 2025-3-28 19:52
Biogeochemistry of Forested Catchments in a Changing EnvironmentA German Case Study作者: 鎮(zhèn)壓 時(shí)間: 2025-3-29 00:19
Trace Gases and Particles in the Atmospheric Boundary Layer at the Waldstein Site: Present State andap. 9), ozone (Chap. 12), biogenic volatile organic compounds (Chap. 13), deposition of nutrients such as nitrogen, as quantified through ecosystem balance methods (Chap. 14), and more. This chapter reviews recent and historic data of gas and particulate concentrations from the Bayreuth Institute fo作者: 帶傷害 時(shí)間: 2025-3-29 06:05
Climate Change in the Lehstenbach Regionhange from maritime to continental climate, investigations of climate change are of special interest. Some of these changes, like the reduced number of days with snow cover, are even visible to the non-specialist. In the following text, the investigations by Foken (2003) of climate change in the Fic作者: geriatrician 時(shí)間: 2025-3-29 07:47 作者: Derogate 時(shí)間: 2025-3-29 14:20
Carbon Budget of a Spruce Forest Ecosystem03) and Baldocchi et al. (2001). All relevant references are also provided herein. Furthermore, the site was used for process studies to separate assimilation and respiration fluxes, and to study the exchange conditions between the forest and the atmosphere (Wichura et al., this Vol.). All of these 作者: Polydipsia 時(shí)間: 2025-3-29 15:51 作者: 合適 時(shí)間: 2025-3-29 22:06
Turbulent Deposition of Ozone to a Mountainous Forest Ecosystemue of 10,000 ppb × h (=10 ppm × h) maybe regarded as a critical level. This concept implies that, once the plant metabolism is active, high O. concentrations increase the phytotoxic potential. With the AOT40 concept, the possible effect of reduced O. mixing ratios since 1988 (as observed for our mou作者: 閃光東本 時(shí)間: 2025-3-30 00:40
The Emissions of Biogenic Volatile Organic Compounds (BVOC) and Their Relevance to Atmospheric Partivegetation as a result of the direct coupling of gas exchange to the energy input into ecosystems. On longer time scales (years to decades and centuries), additional feedbacks on biogeochemical cycles play an important role due to the time lag between, e.g., vegetation growth (C storage) and C loss 作者: evasive 時(shí)間: 2025-3-30 04:20 作者: Anterior 時(shí)間: 2025-3-30 08:50
Introduction to ‘Connecting Peace and War’hange from maritime to continental climate, investigations of climate change are of special interest. Some of these changes, like the reduced number of days with snow cover, are even visible to the non-specialist. In the following text, the investigations by Foken (2003) of climate change in the Fic作者: defray 時(shí)間: 2025-3-30 12:49
Introduction to ‘Connecting Peace and War’Despite their increasing importance, comparably little information on the physiology and ecology of mixed stands is available. Ecological benefits expected from mixed-forest stands include higher structural diversity, higher physical stability, higher diversification in the use of resources, higher 作者: 培養(yǎng) 時(shí)間: 2025-3-30 17:41
https://doi.org/10.1007/978-3-658-05199-003) and Baldocchi et al. (2001). All relevant references are also provided herein. Furthermore, the site was used for process studies to separate assimilation and respiration fluxes, and to study the exchange conditions between the forest and the atmosphere (Wichura et al., this Vol.). All of these 作者: Guileless 時(shí)間: 2025-3-31 00:29 作者: 拱墻 時(shí)間: 2025-3-31 03:56
