作者: condescend 時(shí)間: 2025-3-21 21:50 作者: Immunoglobulin 時(shí)間: 2025-3-22 03:47
Long-Term Cumulative Exposure Exacerbates the Effects of Atmospheric Ammonia on an Ombrotrophic Bog:res at high concentrations in controlled conditions. Results suggest the annual Critical Level of 8 μg m?. is too high to protect sensitive species experiencing long-term exposures to NH.. In particular, they show exposure periods longer than 1 year lead to detrimental effects at lower mean NH. conc作者: debble 時(shí)間: 2025-3-22 07:17
Estimation of the Ammonia Critical Level for Epiphytic Lichens Based on Observations at Farm, Landscurements in the UK have trialled a number of indices to summarize the response of lichens to excess nitrogen deposition and specifically ammonia (Sutton et al. 2004a, b; Leith et al. 2005; Wolseley et al. 2004, 2006). Of these, we have found the approach of distinguishing two functional species grou作者: Fortuitous 時(shí)間: 2025-3-22 11:13 作者: Invigorate 時(shí)間: 2025-3-22 14:17
Assessment of Ammonia and Ammonium Trends and Relationship to Critical Levels in the UK National Ammce September 1996) and 7 years of aerosol NH.. data (since 1999) may therefore be analysed to assess trends in air concentrations. The data can also be used to compare with critical levels of NH. concentrations set in the UK to protect vegetation and ecosystem.作者: 哪有黃油 時(shí)間: 2025-3-22 21:03 作者: 神經(jīng) 時(shí)間: 2025-3-22 21:42
Ammonia Deposition Near Hot Spots: Processes, Models and Monitoring Methodspensation point of vegetation, and finally, cuticular deposition, which depends primarily on vegetation wetness. The main uncertainties and limitations on NHx recapture models and monitoring techniques are discussed..Due to the decrease of sulphur and nitrogen oxides emissions under a series of UNEC作者: 評(píng)論性 時(shí)間: 2025-3-23 04:15 作者: 名詞 時(shí)間: 2025-3-23 08:20
Soluble Ammonium in Plants as a Bioindicator for Atmospheric Nitrogen Deposition: Refinement and Tes substrate N or soluble ammonium (NH.-N) may be a convenient indicator of accumulated nitrogen deposition and ecosystem response (Sutton et al. 2004)..Previous studies (Sutton et al. 2004; Leith et al. 2005) suggest that the relationship to atmospheric N is more precise for soluble ammonium (NH.-N) 作者: 隨意 時(shí)間: 2025-3-23 13:29
Modelling of the Atmospheric Transport and Deposition of Ammonia at a National and Regional Scaleds and actual loads of ammonia in the environment. Such data may together with data from field campaigns form the basis of our understanding of the physical and chemical processes governing the fate of ammonia. However, modelling of the concentrations and deposition of ammonia extends our possibilit作者: 偶像 時(shí)間: 2025-3-23 14:58
https://doi.org/10.1007/978-981-19-8853-0erm critical level for ammonia could be in the range 0.6–3 μg m...In addition to these arguments, there was a practical case emerging, which highlighted the need to set realistic values of the critical level. The dependence on critical loads requires estimates of nitrogen deposition, which are typic作者: cuticle 時(shí)間: 2025-3-23 21:09 作者: CORE 時(shí)間: 2025-3-24 01:44
Slime Moulds: The Tiny Charmersurements in the UK have trialled a number of indices to summarize the response of lichens to excess nitrogen deposition and specifically ammonia (Sutton et al. 2004a, b; Leith et al. 2005; Wolseley et al. 2004, 2006). Of these, we have found the approach of distinguishing two functional species grou作者: 吊胃口 時(shí)間: 2025-3-24 04:00 作者: Cougar 時(shí)間: 2025-3-24 08:26 作者: 修飾語(yǔ) 時(shí)間: 2025-3-24 12:33 作者: 怪物 時(shí)間: 2025-3-24 15:50
https://doi.org/10.1007/978-3-319-54304-8pensation point of vegetation, and finally, cuticular deposition, which depends primarily on vegetation wetness. The main uncertainties and limitations on NHx recapture models and monitoring techniques are discussed..Due to the decrease of sulphur and nitrogen oxides emissions under a series of UNEC作者: LANCE 時(shí)間: 2025-3-24 19:12 作者: 美色花錢 時(shí)間: 2025-3-25 00:59
Sonia M. Tiquia-Arashiro,Martin Grube substrate N or soluble ammonium (NH.-N) may be a convenient indicator of accumulated nitrogen deposition and ecosystem response (Sutton et al. 2004)..Previous studies (Sutton et al. 2004; Leith et al. 2005) suggest that the relationship to atmospheric N is more precise for soluble ammonium (NH.-N) 作者: 珠寶 時(shí)間: 2025-3-25 04:41
Diversity and Ecology of Fungi in Mofettesds and actual loads of ammonia in the environment. Such data may together with data from field campaigns form the basis of our understanding of the physical and chemical processes governing the fate of ammonia. However, modelling of the concentrations and deposition of ammonia extends our possibilit作者: 僵硬 時(shí)間: 2025-3-25 09:35 作者: carotid-bruit 時(shí)間: 2025-3-25 14:28 作者: In-Situ 時(shí)間: 2025-3-25 17:32
Book 2009late matter in the atmosphere. Under the auspices of the UNECE Convention on Long Range Transboundary Air Pollution, around 80 international experts met to review the state of scientific knowledge. This book reports their analysis. It concludes that threshold levels for ammonia effects have been und作者: helper-T-cells 時(shí)間: 2025-3-25 19:59
new values, it assesses the independent evidence to verify reported reductions in regional ammonia emissions, and it reviews the uncertainties in modelling ammonia, both in "hot spots" and at the regional scale..978-94-007-8953-1978-1-4020-9121-6作者: 豐滿有漂亮 時(shí)間: 2025-3-26 02:52
Bioremediation of Organic Pollutants Using ,odel, the overall ratio of emission to deposition was constrained to a fixed value (45%). As systematic measurements of ammonia concentrations did not exist at that time, the results were checked mainly with deposition measurements (e.g. BUWAL 1994) and EMEP results.作者: biosphere 時(shí)間: 2025-3-26 05:18 作者: Ablation 時(shí)間: 2025-3-26 12:16 作者: cliche 時(shí)間: 2025-3-26 16:19 作者: 制度 時(shí)間: 2025-3-26 17:50
Macrolichens on Twigs and Trunks as Indicators of Ammonia Concentrations Across the UK — a Practicallated for all sites, based on the frequency of acidophyte and nitrophyte macrolichens on trunks and twigs. Bark samples from trunk and twig were collected and surface bark pH measured in the lab, to test the correlation of acidophyte and nitrophyte communities with bark pH.作者: ectropion 時(shí)間: 2025-3-26 22:43
Linking Ammonia Emission Trends to Measured Concentrations and Deposition of Reduced Nitrogen at Difa Gap” in the Netherlands, does such a gap exist in other countries, can we be confident of the effectiveness of ammonia mitigation policies and how can we best address the relationships between emission and deposition using atmospheric modelling and improved monitoring activities.作者: 知道 時(shí)間: 2025-3-27 02:37
ions of ammonia cause a host of environmental impacts, including loss of biodiversity, soil acidification and formation of particulate matter in the atmosphere. Under the auspices of the UNECE Convention on Long Range Transboundary Air Pollution, around 80 international experts met to review the sta作者: podiatrist 時(shí)間: 2025-3-27 06:00
Diversity and Ecology of Fungi in Mofettes. 1994; Pitcairn et al. 1998, 2003; Mitchell et al. 2004)..This variability (Fig. 18.1) points to the potential to include locally tailored abatement measures as part of strategies to protect sensitive vegetation from NH. deposition (Dragosits et al. 2006).作者: ORBIT 時(shí)間: 2025-3-27 12:32
Waill Elkhateeb,Marwa O. Elnahas,Ghoson Dabaection of the success of European policies to reduce SO. and NO. emissions. As a result, NH. is increasingly dominating nitrogen and acidifying inputs, while reducing ammonia emissions and the associated environmental impacts remain major challenges for the future.作者: ODIUM 時(shí)間: 2025-3-27 17:02 作者: 心胸狹窄 時(shí)間: 2025-3-27 21:12 作者: neuron 時(shí)間: 2025-3-27 21:57
https://doi.org/10.1007/978-3-642-33811-3ration and wet ammonium deposition. It was suggested that the reasons for the discrepancy included changing SO. emissions as well as buffering of the atmospheric NH. concentration by vegetation compensation points.作者: 字形刻痕 時(shí)間: 2025-3-28 04:56
Introductionection of the success of European policies to reduce SO. and NO. emissions. As a result, NH. is increasingly dominating nitrogen and acidifying inputs, while reducing ammonia emissions and the associated environmental impacts remain major challenges for the future.作者: ventilate 時(shí)間: 2025-3-28 10:06
The Application of Transects to Assess the Effects of Ammonia on Woodland Groundflora2003; Sutton et al. 2004; Leith et al. 2005)..The value of 3 biomonitors of N impacts, are described in this paper, for 2 different woodland sites impacted by poultry farm ammonia emissions, Earlston, a Scots pine open plantation in southern Scotland, and Piddles Wood, a mixed deciduous woodland in south west England.作者: AVOW 時(shí)間: 2025-3-28 13:30 作者: CRUDE 時(shí)間: 2025-3-28 16:10 作者: fulcrum 時(shí)間: 2025-3-28 22:20 作者: 過(guò)份好問(wèn) 時(shí)間: 2025-3-29 02:22 作者: babble 時(shí)間: 2025-3-29 04:06 作者: 針葉 時(shí)間: 2025-3-29 10:49 作者: KIN 時(shí)間: 2025-3-29 12:51 作者: 性行為放縱者 時(shí)間: 2025-3-29 16:34 作者: Parley 時(shí)間: 2025-3-29 23:24 作者: 裝勇敢地做 時(shí)間: 2025-3-30 01:49
Macrolichens on Twigs and Trunks as Indicators of Ammonia Concentrations Across the UK — a Practicalte species and an increase in nitrophyte species. A simple method of sampling selected acidophyte and nitrophyte lichens on trunks and twigs of trees in the vicinity of ammonia monitoring sites across the UK allowed us to test the correlation of lichen communities with ammonia concentrations across 作者: BABY 時(shí)間: 2025-3-30 04:55 作者: hazard 時(shí)間: 2025-3-30 10:08 作者: 雕鏤 時(shí)間: 2025-3-30 16:27
Long-Term Record (1981—2005) of Ammonia and Ammonium Concentrations at K-Puszta Hungary and the Effelel decrease of calculated ammonia emission (Fig. 12.1). In an earlier study (Horvath and Sutton 1998) long-term trend of background ammonia/ammonium concentrations were analysed between 1981 and 1995 at Hungarian K-puszta station (longitude 19′33″, latitude 46′58″, h=125 m a.s.l.). Despite the redu作者: Harness 時(shí)間: 2025-3-30 19:30 作者: condemn 時(shí)間: 2025-3-30 23:15 作者: 壟斷 時(shí)間: 2025-3-31 03:28
Ammonia Deposition Near Hot Spots: Processes, Models and Monitoring Methodshe emitted NH. may be recaptured by the surrounding vegetation, hence reducing the contribution of these hot spots to long-range transport of NHx. This paper reviews the processes leading to local recapture of NH. near hot spots, as well as existing models and monitoring methods. The existing models作者: tariff 時(shí)間: 2025-3-31 08:28
Standardised Grasses as Biomonitors of Ammonia Pollution Around Agricultural Point Sources. Grass species have been used extensively in a number of biomonitoring studies (Sant‘ Anna et al. 2004). These standardised grasses can be used as passive biomonitors, but are more effectively used as active bioaccumulators of a range of gaseous and particulate pollutants (Scholl 1971). The advanta作者: Emmenagogue 時(shí)間: 2025-3-31 10:33
Soluble Ammonium in Plants as a Bioindicator for Atmospheric Nitrogen Deposition: Refinement and Tesns and deposition. The interest in these parameters originates from the analysis of plant carbon and nitrogen dynamics in ecosystem models in relation to the potential for plants to absorb or emit ammonia from the atmosphere, as regulated by the ammonia ‘compensation point’ (Sutton et al. 2004). The作者: 的闡明 時(shí)間: 2025-3-31 14:39
Spatial Planning as a Complementary Tool to Abate the Effects of Atmospheric Ammonia Deposition at ttcairn et al. 1998, 2003). As a consequence there is a high spatial variability in N deposition and its ecological effects in agricultural landscapes (e.g. Dragosits et al. 2002, 2005, 2006), in addition to differences in sensitivity to additional nitrogen between habitat types (e.g. Fangmeier et al作者: 埋葬 時(shí)間: 2025-3-31 18:25
Modelling of the Atmospheric Transport and Deposition of Ammonia at a National and Regional Scale. Firstly, the paper deals with the parameterizations of the transport and removal processes of ammonia used in modeling. Subsequently, an overview of the models currently in use describing the ammonia concentration and deposition at a national or (sub-) European scale is given. The emphasis lies on作者: indubitable 時(shí)間: 2025-3-31 22:00 作者: babble 時(shí)間: 2025-4-1 03:41
978-94-007-8953-1Springer Science+Business Media B.V. 2009作者: GROUP 時(shí)間: 2025-4-1 08:52 作者: Fibrillation 時(shí)間: 2025-4-1 12:42 作者: 低三下四之人 時(shí)間: 2025-4-1 14:33
