Search Results - "HARMENS, H"

Terrestrial mosses as biomonitors of atmospheric POPs pollution: A review by Harmens, H., Foan, L., Simon, V., Mills, G.

“…Worldwide there is concern about the continuing release of persistent organic pollutants (POPs) into the environment. In this study we review the application…”
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New stomatal flux-based critical levels for ozone effects on vegetation by Mills, Gina, Pleijel, Håkan, Braun, Sabine, Büker, Patrick, Bermejo, Victoria, Calvo, Esperanza, Danielsson, Helena, Emberson, Lisa, Fernández, Ignacio González, Grünhage, Ludger, Harmens, Harry, Hayes, Felicity, Karlsson, Per-Erik, Simpson, David

“…The critical levels for ozone effects on vegetation have been reviewed and revised by the LRTAP Convention. Eight new or revised critical levels based on the…”
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Nitrogen concentrations in mosses indicate the spatial distribution of atmospheric nitrogen deposition in Europe by Harmens, H., Norris, D.A., Cooper, D.M., Mills, G., Steinnes, E., Kubin, E., Thöni, L., Aboal, J.R., Alber, R., Carballeira, A., Coşkun, M., De Temmerman, L., Frolova, M., González-Miqueo, L., Jeran, Z., Leblond, S., Liiv, S., Maňkovská, B., Pesch, R., Poikolainen, J., Rühling, Å., Santamaria, J.M., Simonèiè, P., Schröder, W., Suchara, I., Yurukova, L., Zechmeister, H.G.

“…In 2005/6, nearly 3000 moss samples from (semi-)natural location across 16 European countries were collected for nitrogen analysis. The lowest total nitrogen…”
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Comments on J.A. Fernandez, M.T. Boquete, A. Carballeira, J.R. Aboal (2015). A critical review of protocols for moss biomonitoring of atmospheric deposition: Sampling and sample preparation. Science of the Total Environment 517: 132–150 by Harmens, H., Schröder, W., Zechmeister, H.G., Steinnes, E., Frontasyeva, M.

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Country-specific correlations across Europe between modelled atmospheric cadmium and lead deposition and concentrations in mosses by Harmens, H., Ilyin, I., Mills, G., Aboal, J.R., Alber, R., Blum, O., Coşkun, M., De Temmerman, L., Fernández, J.Á., Figueira, R., Frontasyeva, M., Godzik, B., Goltsova, N., Jeran, Z., Korzekwa, S., Kubin, E., Kvietkus, K., Leblond, S., Liiv, S., Magnússon, S.H., Maňkovská, B., Nikodemus, O., Pesch, R., Poikolainen, J., Radnović, D., Rühling, Å., Santamaria, J.M., Schröder, W., Spiric, Z., Stafilov, T., Steinnes, E., Suchara, I., Tabors, G., Thöni, L., Turcsányi, G., Yurukova, L., Zechmeister, H.G.

“…Previous analyses at the European scale have shown that cadmium and lead concentrations in mosses are primarily determined by the total deposition of these…”
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fate of photosynthetically-fixed carbon in Lolium perenne grassland as modified by elevated CO₂ and sward management by Hill, P.W, Marshall, C, Williams, G.G, Blum, H, Harmens, H, Jones, D.L, Farrar, J.F

“…Prediction of the impact of climate change requires the response of carbon (C) flow in plant-soil systems to increased CO₂ to be understood. A mechanism by…”
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Atmospheric CO₂ elevation has little effect on nitrifying and denitrifying enzyme activity in four European grasslands by Barnard, R, Barthes, L, Le Roux, X, Harmens, H, Raschi, A, Soussana, J.F, Winkler, B, Leadley, P.W

“…The objective of this study was to determine what patterns, if any, existed in the response of nitrifying enzyme activity (NEA), denitrifying enzyme activity…”
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Is Partitioning of Dry Weight and Leaf Area Within Dactylis glomerata Affected by N and CO₂ Enrichment? by HARMENS, H., STIRLING, C. M., MARSHALL, C., FARRAR, J. F.

“…We examined changes in dry weight and leaf area within Dactylis glomerata L. plants using allometric analysis to determine whether observed patterns were truly…”
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Effects of ozone, drought and heat stress on wheat yield and grain quality by Broberg, M.C., Hayes, F., Harmens, H., Uddling, J., Mills, G., Pleijel, H.

“…Tropospheric ozone (O3) is a gaseous phytotoxic plant stressor known to reduce wheat (Triticum aestivum) crop yields at current concentrations. O3 is predicted…”
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Ozone pollution will compromise efforts to increase global wheat production by Mills, Gina, Sharps, Katrina, Simpson, David, Pleijel, Håkan, Broberg, Malin, Uddling, Johan, Jaramillo, Fernando, Davies, William J, Dentener, Frank, Berg, Maurits, Agrawal, Madhoolika, Agrawal, Shahibhushan B., Ainsworth, Elizabeth A., Büker, Patrick, Emberson, Lisa, Feng, Zhaozhong, Harmens, Harry, Hayes, Felicity, Kobayashi, Kazuhiko, Paoletti, Elena, Dingenen, Rita

“…Introduction of high‐performing crop cultivars and crop/soil water management practices that increase the stomatal uptake of carbon dioxide and photosynthesis…”
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Impacts of elevated atmospheric CO2 and temperature on plant community structure of a temperate grassland are modulated by cutting frequency by Harmens, H., Williams, P. D., Peters, S. L., Bambrick, M. T., Hopkins, A., Ashenden, T. W.

“…To determine the impacts of climate change and defoliation on the community structure and plant diversity of a semi‐natural temperate grassland, monoliths of a…”
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Is Partitioning of Dry Weight and Leaf Area Within Dactylis glomerata Affected by N and CO2Enrichment? by Harmens, H., Stirling, C.M., Marshall, C., Farrar, J.F.

“…We examined changes in dry weight and leaf area within Dactylis glomerata L. plants using allometric analysis to determine whether observed patterns were truly…”
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Wheat yield responses to stomatal uptake of ozone: Peak vs rising background ozone conditions by Harmens, Harry, Hayes, Felicity, Mills, Gina, Sharps, Katrina, Osborne, Stephanie, Pleijel, Håkan

“…Recent decades have seen a changing temporal profile of ground-level ozone (O3) in Europe. While peaks in O3 concentrations during summer months have been…”
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Tropospheric Ozone Assessment Report: Present-day tropospheric ozone distribution and trends relevant to vegetation by Mills, Gina, Pleijel, Håkan, Malley, Christopher S., Sinha, Baerbel, Cooper, Owen R., Schultz, Martin G., Neufeld, Howard S., Simpson, David, Sharps, Katrina, Feng, Zhaozhong, Gerosa, Giacomo, Harmens, Harry, Kobayashi, Kazuhiko, Saxena, Pallavi, Paoletti, Elena, Sinha, Vinayak, Xu, Xiaobin

“…This Tropospheric Ozone Assessment Report (TOAR) on the current state of knowledge of ozone metrics of relevance to vegetation (TOAR-Vegetation) reports on…”
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Increased zinc tolerance in Silene vulgaris (Moench) Garcke is not due to increased production of phytochelatins by Harmens, H, Hartog, P.R.D, Bookum, W.M.T, Verkleij, J.A.C

“…The concentration of acid-soluble thiols other than reduced glutathione (SH - GSH) increases in the roots of zinc-sensitive and zinc-tolerant Silene vulgaris…”
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Reduced photosynthetic thermal acclimation capacity under elevated ozone in poplar (Populus tremula) saplings by Dai, Lulu, Xu, Yansen, Harmens, Harry, Duan, Honglang, Feng, Zhaozhong, Hayes, Felicity, Sharps, Katrina, Radbourne, Alan, Tarvainen, Lasse

“…The sensitivity of photosynthesis to temperature has been identified as a key uncertainty for projecting the magnitude of the terrestrial carbon cycle response…”
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Heavy metal and nitrogen concentrations in mosses are declining across Europe whilst some “hotspots” remain in 2010 by Harmens, H., Norris, D.A., Sharps, K., Mills, G., Alber, R., Aleksiayenak, Y., Blum, O., Cucu-Man, S.-M., Dam, M., De Temmerman, L., Ene, A., Fernández, J.A., Martinez-Abaigar, J., Frontasyeva, M., Godzik, B., Jeran, Z., Lazo, P., Leblond, S., Liiv, S., Magnússon, S.H., Maňkovská, B., Karlsson, G. Pihl, Piispanen, J., Poikolainen, J., Santamaria, J.M., Skudnik, M., Spiric, Z., Stafilov, T., Steinnes, E., Stihi, C., Suchara, I., Thöni, L., Todoran, R., Yurukova, L., Zechmeister, H.G.

“…In recent decades, naturally growing mosses have been used successfully as biomonitors of atmospheric deposition of heavy metals and nitrogen. Since 1990, the…”
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Partitioning and Efficiency of Use of N in Dactylis glomerata as Affected by Elevated CO2: Interaction with N Supply by Harmens, H., Marshall, C., Stirling, C. M., Farrar, J. F.

“…We applied allometry to examine the effects of elevated [CO2] on N use efficiency and N partitioning within Dactylis glomerata L. plants, independent of…”
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Mosses as biomonitors of atmospheric heavy metal deposition: Spatial patterns and temporal trends in Europe by Harmens, H., Norris, D.A., Steinnes, E., Kubin, E., Piispanen, J., Alber, R., Aleksiayenak, Y., Blum, O., Coşkun, M., Dam, M., De Temmerman, L., Fernández, J.A., Frolova, M., Frontasyeva, M., González-Miqueo, L., Grodzińska, K., Jeran, Z., Korzekwa, S., Krmar, M., Kvietkus, K., Leblond, S., Liiv, S., Magnússon, S.H., Maňkovská, B., Pesch, R., Rühling, Å., Santamaria, J.M., Schröder, W., Spiric, Z., Suchara, I., Thöni, L., Urumov, V., Yurukova, L., Zechmeister, H.G.

“…In recent decades, mosses have been used successfully as biomonitors of atmospheric deposition of heavy metals. Since 1990, the European moss survey has been…”
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Temporal trends (1990–2000) in the concentration of cadmium, lead and mercury in mosses across Europe by Harmens, Harry, Norris, David A., Koerber, Georgia R., Buse, Alan, Steinnes, Eiliv, Rühling, Åke

“…The European heavy metals in mosses survey provides data on the concentration of 10 heavy metals in naturally growing mosses. The survey has been repeated at…”
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