標(biāo)題: Titlebook: Changes of Atmospheric Chemistry and Effects on Forest Ecosystems; A Roof Experiment wi Reinhard F. Hüttl (Chair),Klaus Bellmann Book 1998 [打印本頁] 作者: Enlightening 時(shí)間: 2025-3-21 16:31
書目名稱Changes of Atmospheric Chemistry and Effects on Forest Ecosystems影響因子(影響力)
書目名稱Changes of Atmospheric Chemistry and Effects on Forest Ecosystems影響因子(影響力)學(xué)科排名
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書目名稱Changes of Atmospheric Chemistry and Effects on Forest Ecosystems網(wǎng)絡(luò)公開度學(xué)科排名
書目名稱Changes of Atmospheric Chemistry and Effects on Forest Ecosystems被引頻次
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書目名稱Changes of Atmospheric Chemistry and Effects on Forest Ecosystems年度引用學(xué)科排名
書目名稱Changes of Atmospheric Chemistry and Effects on Forest Ecosystems讀者反饋
書目名稱Changes of Atmospheric Chemistry and Effects on Forest Ecosystems讀者反饋學(xué)科排名
作者: 親密 時(shí)間: 2025-3-21 23:04
Mycorrhizal morphotypes of Scots pine,nadah and Read, 1989). D?hne . (1995) found in mycorrhizae growing in the organic layer about twice the amount of protein compared to those taken from the upper mineral soil. Thus, mycorrhizal fungi play an important role in the nutrient cycling of the organic layer.作者: Crepitus 時(shí)間: 2025-3-22 03:36 作者: 書法 時(shí)間: 2025-3-22 07:46 作者: 骯臟 時(shí)間: 2025-3-22 12:19 作者: ULCER 時(shí)間: 2025-3-22 15:27
Electrons Trapped in Magnetic Fields,ir stored carbohydrates are respired. Schneider . (1989) found nonstructural carbohydrates in dead Spruce roots and concluded that fine roots died from causes other than shortage of carbohydrates. That means a proper estimation of fine root production (FRP) contains both, the tissue synthesis and th作者: ULCER 時(shí)間: 2025-3-22 17:18
Astrophysics and Space Science Librarynadah and Read, 1989). D?hne . (1995) found in mycorrhizae growing in the organic layer about twice the amount of protein compared to those taken from the upper mineral soil. Thus, mycorrhizal fungi play an important role in the nutrient cycling of the organic layer.作者: faddish 時(shí)間: 2025-3-22 21:19
Astrophysics and Space Science Librarymphasized that the decomposition course should not be represented by simple exponential functions because of the complex composition of organic material (e.g. Howard and Howard, 1974; Minderman, 1968).作者: 逃避系列單詞 時(shí)間: 2025-3-23 01:56 作者: Mendacious 時(shí)間: 2025-3-23 07:20 作者: 有限 時(shí)間: 2025-3-23 11:21
Book 1998portunity to test the role of SO.2. and alkalineparticle deposition with regard to changes or damage to forestecosystems and whether the forest stands return to a state ofresilience. In this respect, this ecosystem experiment can be lookedupon as a roof experiment without a roof.作者: antidepressant 時(shí)間: 2025-3-23 16:00
1387-5248 aunique opportunity to test the role of SO.2. and alkalineparticle deposition with regard to changes or damage to forestecosystems and whether the forest stands return to a state ofresilience. In this respect, this ecosystem experiment can be lookedupon as a roof experiment without a roof.978-90-481-5224-7978-94-015-9022-8Series ISSN 1387-5248 作者: ANTH 時(shí)間: 2025-3-23 20:07
Changes of Atmospheric Chemistry and Effects on Forest EcosystemsA Roof Experiment wi作者: Conscientious 時(shí)間: 2025-3-24 02:13 作者: superfluous 時(shí)間: 2025-3-24 04:46
Plasma Flows in a Strong Magnetic Field,rthermore, it has to be considered that the measurements do not quite reflect the actual average growth, because it is only possible to investigate the trees that have survived, while many of the slow growing individuals have already died.作者: Nutrient 時(shí)間: 2025-3-24 09:31 作者: NADIR 時(shí)間: 2025-3-24 11:57 作者: 投射 時(shí)間: 2025-3-24 15:46
Nutrient element distribution in the above-ground biomass of Scots pine stands,eated needle analysis. In addition, the quantity and distribution of above-ground biomass has been assessed after a whole-tree harvest at the end of the experimental period. The results have served as important input variables for the pine ecosystem model FORSANA (cf. Grote ., this volume).作者: compassion 時(shí)間: 2025-3-24 22:49
1387-5248 ermany - Effects on Terrestrial Ecosystems‘.Before the unification of Germany, emission loads of SO.2. anddust particles were up to 18-fold higher in East than in West Germany.However, emission rates have decreased significantly sincereunification in 1990, due to the breakdown of a large number ofin作者: Contend 時(shí)間: 2025-3-25 01:29 作者: frivolous 時(shí)間: 2025-3-25 06:21 作者: 遭受 時(shí)間: 2025-3-25 09:17
Book 1998ffects on Terrestrial Ecosystems‘.Before the unification of Germany, emission loads of SO.2. anddust particles were up to 18-fold higher in East than in West Germany.However, emission rates have decreased significantly sincereunification in 1990, due to the breakdown of a large number ofindustrial a作者: HEED 時(shí)間: 2025-3-25 12:47
Waves in a Cold, Collisionless Plasma,g ozone; Heber ., 1994 regarding interactions). In contrast to this, long-term investigations focusing on the pollutant concentrations as they normally occur in the field were conducted in rare cases only (Schulze ., 1987; Keller and H?ssler, 1986; Führer ., 1993).作者: ADOPT 時(shí)間: 2025-3-25 16:27 作者: 保守黨 時(shí)間: 2025-3-25 22:41 作者: 不可磨滅 時(shí)間: 2025-3-26 00:58
Modelling of carbon-, nitrogen-, and water balances in Scots pine stands,has been developed to consider every impact by means of the changes in the basic physiological process involved, and which accounts explicitly for linkages and feedback mechanisms on different time scales.作者: 協(xié)迫 時(shí)間: 2025-3-26 04:26
Ion Beams and Electromagnetic Instabilities,eated needle analysis. In addition, the quantity and distribution of above-ground biomass has been assessed after a whole-tree harvest at the end of the experimental period. The results have served as important input variables for the pine ecosystem model FORSANA (cf. Grote ., this volume).作者: 敵手 時(shí)間: 2025-3-26 12:23
Introduction to the SANA-project (SANA: regeneration of the atmosphere above the new states of Germ of soft coal. Power plants as well as industry lacked the necessary equipment for pollutant reduction. Thus in 1989, East Germany emitted in total 5.3 Mt of SO. and 2.1 Mt of alkaline dusts, representing an average of 48.8 kg kn. and 19.0 kg km., respectively (Finkbeiner ., 1993). The emission per 作者: 敲詐 時(shí)間: 2025-3-26 13:53 作者: BILL 時(shí)間: 2025-3-26 16:52 作者: harangue 時(shí)間: 2025-3-26 21:12
Photosynthetic capacity, respiration and water use efficiency in Scots pine stands,cation and nutrient imbalance in particular in conifers: Many of publications refer to this phenomenon (e.g. Ulrich and Matzner, 1983; Ulrich ., 1984; Lange ., 1985; Schulze ., 1989; Führer ., 1993; Heber ., 1994; other quotations ibid.). This were mainly short-term fumigation experiments, which cou作者: AER 時(shí)間: 2025-3-27 02:27 作者: Mnemonics 時(shí)間: 2025-3-27 05:59
Estimating fine root production of Scots pine stands,). A substantial part of the tree’s overall carbon economy is represented by the root system. A thorough investigation of root requirements must include tissue synthesis, maintenance costs of the roots and costs of the symbionts over the lifetime of the roots (Eissenstat, 1992). A considerable propo作者: Myofibrils 時(shí)間: 2025-3-27 13:29
Mycorrhizal morphotypes of Scots pine,95). In the presence of mycorrhizae litter decomposition is faster and release of nutrients from the litter is higher than in the absence of mycorrhizae (Zhu and Ehrenfeld, 1996). Mycorrhizal fungi seem to play a role in the breakdown of humus, where N and P are largely present in organic forms (Ben作者: febrile 時(shí)間: 2025-3-27 15:38
Decomposition of needle-, herb-, root-litter, and Of-layer-humus in three Scots pine stands, to plants (e.g. Bocock and Gilbert, 1957; Falconer ., 1933; Gustafson, 1943; Lunt 1935; Minderman, 1968; Shanks and Olson, 1961; Witkamp and Olson, 1963). Climatic conditions and litter quality greatly influence the process of litter decomposition (Couteaux ., 1995; Fog, 1988). Concerning the litte作者: 擔(dān)憂 時(shí)間: 2025-3-27 20:16
Seasonal variability of organic matter and N input with litterfall in Scots pine stands,ecorded by monthly collections at three sites of historically different air pollution and fertilization impacts. Furthermore, seasonal growth dynamics, biomass production and litter (= necromass) input to the forest floor from the ground vegetation was analysed in detail. The ground vegetation bioma作者: 發(fā)微光 時(shí)間: 2025-3-27 22:33
Soil chemical response to drastic reductions in deposition and its effects on the element budgets oroaches, ranging from the evaluation of element budgets of whole watersheds to experiments with soil samples in the laboratory, both with and without manipulation (Matzner, 1989; Marschner, 1990; Johnson and Lindberg, 1992; Schaaf, 1992; ., 1993; Koopmans ., 1995; Bredemeier ., 1995; Matzner and Mur作者: 傷心 時(shí)間: 2025-3-28 03:31 作者: Antarctic 時(shí)間: 2025-3-28 07:48 作者: LOPE 時(shí)間: 2025-3-28 13:18
Synopsis of the ecological SANA investigations. An integrated analysis of the results,tions over the entire lifetime of the stand. If it is used as an indicator for forest productivity, however, several uncertainties have to be considered. Firstly, the diameter increase is only proportional to the stem wood production if the tree mortality and the heightdiameter-relation of the trees作者: 沒有希望 時(shí)間: 2025-3-28 15:23 作者: 欲望 時(shí)間: 2025-3-28 21:03
Ion Beams and Electromagnetic Instabilities, of soft coal. Power plants as well as industry lacked the necessary equipment for pollutant reduction. Thus in 1989, East Germany emitted in total 5.3 Mt of SO. and 2.1 Mt of alkaline dusts, representing an average of 48.8 kg kn. and 19.0 kg km., respectively (Finkbeiner ., 1993). The emission per capita was 18-fold higher than in West Germany.作者: Neuralgia 時(shí)間: 2025-3-29 02:48
https://doi.org/10.1007/0-306-47719-Xsurements over time of selected chemical and biological variables. The information can be of critical importance to hypothesis formulation, hypothesis testing, ecological prediction and ecotoxicological risk assessment (Smith, 1990).作者: Brain-Imaging 時(shí)間: 2025-3-29 06:40
Nutrients in Ecosystemshttp://image.papertrans.cn/c/image/223756.jpg作者: 通情達(dá)理 時(shí)間: 2025-3-29 09:47 作者: inquisitive 時(shí)間: 2025-3-29 12:53
Responses of sulphur- and nitrogen-containing compounds in Scots pine needles,surements over time of selected chemical and biological variables. The information can be of critical importance to hypothesis formulation, hypothesis testing, ecological prediction and ecotoxicological risk assessment (Smith, 1990).作者: MARS 時(shí)間: 2025-3-29 15:51 作者: Brochure 時(shí)間: 2025-3-29 22:12 作者: FRAUD 時(shí)間: 2025-3-30 02:25 作者: 散開 時(shí)間: 2025-3-30 05:14 作者: Axillary 時(shí)間: 2025-3-30 09:03
Kinetic Plasma and Particle Beams, 1993), genotype (Neufeld ., 1992), competition (Sellin, 1993), site fertility (Espinosa-Banclari ., 1987; Long and Smith, 1989), stand management (Pothier and Margolis, 1988), climate (Whitehead ., 1984; Mencuc-cini and Grace, 1995), and air pollution (Happla ., 1986a,b; 1987a,b; Gruber, 1995). In 作者: 谷物 時(shí)間: 2025-3-30 14:03 作者: debunk 時(shí)間: 2025-3-30 19:51 作者: 財(cái)政 時(shí)間: 2025-3-30 21:45 作者: 朝圣者 時(shí)間: 2025-3-31 02:42
Plasma Astrophysics And Space Physicsecorded by monthly collections at three sites of historically different air pollution and fertilization impacts. Furthermore, seasonal growth dynamics, biomass production and litter (= necromass) input to the forest floor from the ground vegetation was analysed in detail. The ground vegetation bioma作者: Mobile 時(shí)間: 2025-3-31 07:43
Plasma Astrophysics: History and Neighbours,roaches, ranging from the evaluation of element budgets of whole watersheds to experiments with soil samples in the laboratory, both with and without manipulation (Matzner, 1989; Marschner, 1990; Johnson and Lindberg, 1992; Schaaf, 1992; ., 1993; Koopmans ., 1995; Bredemeier ., 1995; Matzner and Mur作者: glans-penis 時(shí)間: 2025-3-31 11:35
Astrophysics and Space Science Libraryependent on climate, air pollution and deposition. Because these driving forces develop independently from each other and not homogeneously within the area, measurement results from a limited number of sites cannot easily be transferred to other sites. Thus, a simple statistical approach or the simu作者: 生命 時(shí)間: 2025-3-31 14:02
Multi-Fluid Models of Astrophysical Plasma,to sulphur compounds, with the consequence of severe damage. Since German reunification in 1990, the quantity and chemical composition of emissions have changed drastically (Bellmann ., this volume). By 1992, emission of SO. had been reduced to 40%, alkaline dusts to 20% and NO. to 80% of the values作者: 新義 時(shí)間: 2025-3-31 20:17
Plasma Flows in a Strong Magnetic Field,tions over the entire lifetime of the stand. If it is used as an indicator for forest productivity, however, several uncertainties have to be considered. Firstly, the diameter increase is only proportional to the stem wood production if the tree mortality and the heightdiameter-relation of the trees作者: 防水 時(shí)間: 2025-3-31 23:21 作者: Trigger-Point 時(shí)間: 2025-4-1 05:46
https://doi.org/10.1007/0-306-47719-XStand transpiration is a major component of the hydrological and biogeochem-ical cycles. It is controlled by species composition, LAIs and stomatal regulation. Stand structure is influenced by, for example, site, management, air pollution, and interspecific interactions like competition and herbivory.作者: Mosaic 時(shí)間: 2025-4-1 08:18
Coulomb Collisions in Astrophysical Plasma,The radial growth of forest trees is an integral, easily measurable quantity, which reflects the effects of the entire positive and negative environmental impacts on forest growth.作者: vertebrate 時(shí)間: 2025-4-1 10:14
