8 results on '"Krger, K."'
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2. High-x$_{t}$ single-spin asymmetry in $\pi^{0}$ and $\eta$ production at x$_{F}$ = 0 by 200-GeV polarized antiprotons and protons
- Author
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Adams, D L., Akchurin, N., Belikov, N I., Bystricky, J., Corcoran, M D., Cossairt, J D., Cranshaw, J., Derevshchikov, A A., Enyo, H., Funahashi, H., Goto, Y., Grachov, O A., Grosnick, D P., Hill, D A., Imai, K., Itow, Y., Iwatani, K., Krger, K W., Kuroda, K., Laghai, M., Lehar, F., De Lesquen, A., Lopiano, D., Luehring, F C., Maki, T., Makino, S., Masaike, A., Matulenko Yu, A., Meshchanin, A P., Michalowicz, A., Miller, D H., Miyake, K., Nagamine, T., Nessi-Tedaldi, F., Nessi, M., Nguyen, Cong Tu, Nurushev, S B., Ohashi, Y., Onel, Y., Patalakha, D I., Pauletta, G., Penzo, A., Read, A L., Roberts, J B., Van Rossum, L., Rykov, V L., Saito, Nobuhiko., Salvato, G., Schiavon, P., Skeens, J., Solovyanov, V L., Spinka, H M., Takashima, R., Takeutchi, F., Tamura, N., Tanaka, N., Underwood, D G., Vasilev, A N., Villari, A., White, J L., Yamashita, S., Yokosawa, A., Yoshida, T., Zanetti, A., BOMBAR, Claudine, Laboratoire d'Annecy de Physique des Particules (LAPP), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry])-Centre National de la Recherche Scientifique (CNRS), and E581
- Subjects
[PHYS.HEXP] Physics [physics]/High Energy Physics - Experiment [hep-ex] ,[PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex] - Published
- 1992
3. First results for the two-spin parameter A$_{LL}$ in $\pi^{0}$ production by 200-GeV polarized protons and antiprotons
- Author
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Adams, D L., Akchurin, N., Belikov, N I., Bystricky, J., Chaumette, P., Corcoran, M D., Cossairt, J D., Cranshaw, J., Deregel, J., Derevshchikov, A A., Durand, Geoffroy, Enyo, H., Fabre, J., Fukuda, K., Funahashi, H., Goto, Y., Grachov, O A., Grosnick, D P., Hill, D A., Imai, K., Itow, Y., Iwatani, K., Kasprzyk, T., Krger, K W., Kuroda, K., Laghai, M., Lehar, F., De Lesquen, A., Lopiano, D., Luehring, F C., Maki, T., Makino, S., Masaike, A., Matulenko Yu, A., Meshchanin, A P., Michalowicz, A., Miller, D H., Miyake, K., Nagamine, T., Nessi-Tedaldi, F., Nessi, M., Nguyen, Cong Tu, Nurushev, S B., Ohashi, Y., Onel, Y., Patalakha, D I., Pauletta, G., Penzo, A., Read, A L., Roberts, J B., Van Rossum, L., Rykov, V L., Saito, Nobuhiko., Salvato, G., Schiavon, P., Shepard, J., Skeens, J., Solovyanov, V L., Spinka, H M., Takashima, R., Takeutchi, F., Tamura, N., Tanaka, N., Underwood, D G., Vasilev, A N., Villari, A., White, J L., Yamashita, S., Yokosawa, A., Yoshida, T., Zanetti, A., Laboratoire d'Annecy de Physique des Particules (LAPP), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry])-Centre National de la Recherche Scientifique (CNRS), E704, and BOMBAR, Claudine
- Subjects
[PHYS.HEXP] Physics [physics]/High Energy Physics - Experiment [hep-ex] ,[PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex] - Published
- 1991
4. Comparison of spin asymmetries and cross sections in $\pi^{0}$ production by 200-GeV polarized antiprotons and protons
- Author
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Adams, D L., Akchurin, N., Belikov, N I., Bystricky, J., Corcoran, M D., Cossairt, J D., Cranshaw, J., Derevshchikov, A A., Enyo, H., Funahashi, H., Goto, Y., Grachov, O A., Grosnick, D P., Hill, D A., Imai, K., Itow, Y., Iwatani, K., Krger, K W., Kuroda, K., Laghai, M., Lehar, F., De Lesquen, A., Lopiano, D., Luehring, F C., Maki, T., Makino, S., Masaike, A., Matulenko Yu, A., Meshchanin, A P., Michalowicz, A., Miller, D H., Miyake, K., Nagamine, T., Nessi-Tedaldi, F., Nessi, M., Nguyen, Cong Tu, Nurushev, S B., Ohashi, Y., Onel, Y., Patalakha, D I., Pauletta, G., Penzo, A., Read, A L., Roberts, J B., Van Rossum, L., Rykov, V L., Saito, Nobuhiko., Salvato, G., Schiavon, P., Skeens, J., Solovyanov, V L., Spinka, H M., Takashima, R., Takeutchi, F., Tamura, N., Tanaka, N., Underwood, D G., Vasilev, A N., Villari, A., White, J L., Yamashita, S., Yokosawa, A., Yoshida, T., Zanetti, A., BOMBAR, Claudine, Laboratoire d'Annecy de Physique des Particules (LAPP), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry])-Centre National de la Recherche Scientifique (CNRS), and E581
- Subjects
[PHYS.HEXP] Physics [physics]/High Energy Physics - Experiment [hep-ex] ,[PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex] - Published
- 1991
5. Thrombosediagnostik im klinischen Alltag - Ergebnisse einer multizentrischen Erhebung
- Author
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Krger, K.
- Abstract
AIM: To evaluate the processes of the management of patients, who are supposed to have a deep vein thrombosis, we performed a German-wide survey. METHOD: Within 4 weeks data from 1 051 consecutive patients referred with symptoms of deep vein thrombosis were documented in 28 outdoor departments and private practices specialised on vascular diseases. All patients were questioned about the time period of symptoms, the referring doctor and the kind of transport. The symptoms required to estimate the clinical probability were examined before investigation. RESULTS: The results showed that in Germany the patients are symptomatic for 5.8 4.7 days (mean SD) before they received an adequate diagnostic investigation. 73 % of all patients were referred by the familial doctors and 15 % by orthopaedics. 64 % had a low clinical probability only (score ? 1). 96 % of the patients were sent to the investigation in a mobile manner (75 % came with their own car, 8 % with bus or tram, 13 % accompanied by a family member). 2.3 % (25) were sent with the ambulance in a sitting and 1.5 % (16) in a lying position. It remained unclear whether the ambulance transports were indicated or not. CONCLUSION: The data show, that the handling of patients before the diagnosis of a deep vein thrombosis is proved or excluded has to be improved. The referring doctors have to be trained to shorten the time delay and to avoid unnecessary investigations. The sense of the recommended screening for clinical probability has to be re-evaluated and the questions of responsibility for transport safety have to be discussed.
- Published
- 2006
6. Measurement of Di-jet Cross-Sections in Photoproduction and Photon Structure
- Author
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Adloff, C., Andreev, V., Andrieu, B., Arkadov, V., Astvatsatourov, A., Ayyaz, I., Babaev, A., Bahr, J., Baranov, P., Barrelet, E., Bartel, W., Bassler, U., Bate, P., Beglarian, A., Behnke, O., Beier, C., Belousov, A., Benisch, T., Berger, C., Bernardi, G., Berndt, T., Bertrand-Coremans, G., Bizot, J C., Borras, K., Boudry, V., Braunschweig, W., Brisson, V., Broker, H B., Brown, D P., Brckner, W., Bruel, P., Bruncko, D., Brger, J., Bsser, F W., Bunyatyan, A., Burke, S., Burkhardt, H., Burrage, A., Buschhorn, G., Campbell, A J., Cao, J., Carli, T., Caron, S., Chabert, E., Clarke, D., Clerbaux, B., Collard, C., Contreras, J G., Coughlan, J A., Cousinou, M C., Cox, B E., Cozzika, G., Cvach, J., Dainton, J B., Dau, W D., Daum, K., David, M., Davidsson, M., Delcourt, B., Delerue, N., Demirchyan, R., de Roeck, A., De Wolf, E A., Diaconu, C., Dixon, P., Dodonov, V., Donovan, K T., Dowell, J D., Droutskoi, A., Duprel, C., Ebert, J., Eckerlin, G., Eckstein, D., Efremenko, V., Egli, S., Eichler, R., Eisele, F., Eisenhandler, E., Ellerbrock, M., Elsen, E., Erdmann, M., Faulkner, P J W., Favart, L., Fedotov, A., Felst, R., Feltesse, J., Ferencei, J., Ferrarotto, F., Ferron, S., Fleischer, M., Flugge, G., Fomenko, A., Foresti, I., Formnek, J., Foster, J M., Franke, G., Gabathuler, E., Gabathuler, K., Garvey, J., Gassner, J., Gayler, J., Gerhards, R., Ghazaryan, S., Glazov, A., Grlich, L., Gogitidze, N., Goldberg, M., Goodwin, C., Gorelov, I., Grab, C., Grssler, H., Greenshaw, T., Griffiths, R K., Grindhammer, G., Hadig, T., Haidt, D., Hajduk, L., Haustein, V., Haynes, W J., Heinemann, B., Heinzelmann, G., Henderson, R C W., Hengstmann, S., Henschel, H., Heremans, R., Herrera, G., Herynek, I., Hilgers, M., Hiller, K H., Hilton, C D., Hladky, J., Hoting, P., Hoffmann, D., Hoprich, W., Horisberger, R., Hurling, S., Ibbotson, M., Issever, C., Jacquet, M., Jaffr, M., Janauschek, L., Jansen, D M., Janssen, X., Jemanov, V., Jnsson, L B., Johnson, D P., Jones, M A S., Jung, H., Kastli, H K., Kant, D., Kapichine, M., Karlsson, M., Karschnick, O., Kaufmann, O., Kausch, M., Keil, F., Keller, N., Kennedy, J., Kenyon, I R., Kermiche, S., Kiesling, C., Klein, M., Kleinwort, C., Knies, G., Koblitz, B., Kolanoski, H., Kolya, S D., Korbel, V., Kostka, P., Kotelnikov, S K., Krasny, M W., Krehbiel, H., Kroseberg, J., Krucker, D., Krger, K., Kupper, A., Kuhr, T., Kurca, T., Kutuev, R., Lachnit, W., Lahmann, R., Lamb, D., Landon, M P J., Lange, W., Lastovicka, T., Lebedev, A., Leiner, B., Lematre, V., Lemrani, R., Lendermann, V., Levonian, S., Lindstrm, M., Lobo, G., Lobodzinska, E., Lobodzinski, B., Loktionova, N., Lubimov, V., Luders, S., Luke, D., Lytkin, L., Magnussen, N., Mahlke-Krger, H., Malden, N., Malinovskii, E., Malinovski, I., Maracek, R., Marage, P., Marks, J., Marshall, R., Martyn, H U., Martyniak, J., Maxfield, S J., McMahon, T R., Mehta, A., Meier, K., Merkel, P., Metlica, F., Meyer, A., Meyer, H., Meyer, J., Meyer, P O., Mikocki, S., Milstead, D., Mkrtchyan, T., Mohr, R., Mohrdieck, S., Mondragon, M N., Moreau, F., Morozov, A., Morris, J V., Mller, D., Muller, K., Murn, P., Nagovizin, V., Naroska, B., Naumann, J., Naumann, T., Negri, I., Newman, P R., Nguyen, H K., Nicholls, T C., Niebergall, F., Niebuhr, C., Nix, O., Nowak, G., Nunnemann, T., Olsson, J E., Ozerov, D., Panassik, V., Pascaud, C., Passaggio, S., Patel, G D., Perez, E., Phillips, J P., Pitzl, D., Poschl, R., Potachnikova, I., Povh, B., Rabbertz, K., Rdel, G., Rauschenberger, J., Reimer, P., Reisert, B., Reyna, D., Riess, S., Rizvi, E., Robmann, P., Roosen, R., Rostovtsev, A., Royon, C., Rusakov, S., Rybicki, K., Sankey, D P C., Scheins, J., Schilling, F P., Schleif, S., Schleper, P., Schmidt, D., Schoeffel, L., Schning, A., Schrner, T., Schroder, V., Schultz-Coulon, H C., Sedlak, K., Sefkow, F., Shekelian, V., Shevyakov, I., Shtarkov, L N., Siegmon, G., Sievers, P., Sirois, Y., Sloan, T., Smirnov, P., Smith, M., Solochenko, V., Solovev, Yu., Spaskov, V., Specka, A., Spitzer, H., Stamen, R., Steinhart, J., Stella, B., Stellberger, A., Stiewe, J., Straumann, U., Struczinski, W., Sutton, J P., Swart, M., Tasevsky, M., Chernyshov, V., Chechelnitskii, S., Thompson, G., Thompson, P D., Tobien, N., Traynor, D., Truol, P., Tsipolitis, G., Turnau, J., Turney, J E., Tzamariudaki, E., Udluft, S., Usik, A., Valkar, S., Valkarova, A., Vallee, C., Van Mechelen, P., Vazdik, Ya., Villet, G., von Dombrowski, S., Wacker, K., Wallny, R., Walter, T., Waugh, B., Weber, G., Weber, M., Wegener, D., Wegner, A., Wengler, T., Werner, M., West, L R., White, G., Wiesand, S., Wilksen, T., Winde, M., Winter, G G., Wissing, C., Wobisch, M., Wollatz, H., Wunsch, E., Zaicek, J., Zaleisak, J., Zhang, Z., Zhokin, A., Zini, P., Zomer, F., Zsembery, J., zur Nedden, M., Adloff, C., Andreev, V., Andrieu, B., Arkadov, V., Astvatsatourov, A., Ayyaz, I., Babaev, A., Bahr, J., Baranov, P., Barrelet, E., Bartel, W., Bassler, U., Bate, P., Beglarian, A., Behnke, O., Beier, C., Belousov, A., Benisch, T., Berger, C., Bernardi, G., Berndt, T., Bertrand-Coremans, G., Bizot, J C., Borras, K., Boudry, V., Braunschweig, W., Brisson, V., Broker, H B., Brown, D P., Brckner, W., Bruel, P., Bruncko, D., Brger, J., Bsser, F W., Bunyatyan, A., Burke, S., Burkhardt, H., Burrage, A., Buschhorn, G., Campbell, A J., Cao, J., Carli, T., Caron, S., Chabert, E., Clarke, D., Clerbaux, B., Collard, C., Contreras, J G., Coughlan, J A., Cousinou, M C., Cox, B E., Cozzika, G., Cvach, J., Dainton, J B., Dau, W D., Daum, K., David, M., Davidsson, M., Delcourt, B., Delerue, N., Demirchyan, R., de Roeck, A., De Wolf, E A., Diaconu, C., Dixon, P., Dodonov, V., Donovan, K T., Dowell, J D., Droutskoi, A., Duprel, C., Ebert, J., Eckerlin, G., Eckstein, D., Efremenko, V., Egli, S., Eichler, R., Eisele, F., Eisenhandler, E., Ellerbrock, M., Elsen, E., Erdmann, M., Faulkner, P J W., Favart, L., Fedotov, A., Felst, R., Feltesse, J., Ferencei, J., Ferrarotto, F., Ferron, S., Fleischer, M., Flugge, G., Fomenko, A., Foresti, I., Formnek, J., Foster, J M., Franke, G., Gabathuler, E., Gabathuler, K., Garvey, J., Gassner, J., Gayler, J., Gerhards, R., Ghazaryan, S., Glazov, A., Grlich, L., Gogitidze, N., Goldberg, M., Goodwin, C., Gorelov, I., Grab, C., Grssler, H., Greenshaw, T., Griffiths, R K., Grindhammer, G., Hadig, T., Haidt, D., Hajduk, L., Haustein, V., Haynes, W J., Heinemann, B., Heinzelmann, G., Henderson, R C W., Hengstmann, S., Henschel, H., Heremans, R., Herrera, G., Herynek, I., Hilgers, M., Hiller, K H., Hilton, C D., Hladky, J., Hoting, P., Hoffmann, D., Hoprich, W., Horisberger, R., Hurling, S., Ibbotson, M., Issever, C., Jacquet, M., Jaffr, M., Janauschek, L., Jansen, D M., Janssen, X., Jemanov, V., Jnsson, L B., Johnson, D P., Jones, M A S., Jung, H., Kastli, H K., Kant, D., Kapichine, M., Karlsson, M., Karschnick, O., Kaufmann, O., Kausch, M., Keil, F., Keller, N., Kennedy, J., Kenyon, I R., Kermiche, S., Kiesling, C., Klein, M., Kleinwort, C., Knies, G., Koblitz, B., Kolanoski, H., Kolya, S D., Korbel, V., Kostka, P., Kotelnikov, S K., Krasny, M W., Krehbiel, H., Kroseberg, J., Krucker, D., Krger, K., Kupper, A., Kuhr, T., Kurca, T., Kutuev, R., Lachnit, W., Lahmann, R., Lamb, D., Landon, M P J., Lange, W., Lastovicka, T., Lebedev, A., Leiner, B., Lematre, V., Lemrani, R., Lendermann, V., Levonian, S., Lindstrm, M., Lobo, G., Lobodzinska, E., Lobodzinski, B., Loktionova, N., Lubimov, V., Luders, S., Luke, D., Lytkin, L., Magnussen, N., Mahlke-Krger, H., Malden, N., Malinovskii, E., Malinovski, I., Maracek, R., Marage, P., Marks, J., Marshall, R., Martyn, H U., Martyniak, J., Maxfield, S J., McMahon, T R., Mehta, A., Meier, K., Merkel, P., Metlica, F., Meyer, A., Meyer, H., Meyer, J., Meyer, P O., Mikocki, S., Milstead, D., Mkrtchyan, T., Mohr, R., Mohrdieck, S., Mondragon, M N., Moreau, F., Morozov, A., Morris, J V., Mller, D., Muller, K., Murn, P., Nagovizin, V., Naroska, B., Naumann, J., Naumann, T., Negri, I., Newman, P R., Nguyen, H K., Nicholls, T C., Niebergall, F., Niebuhr, C., Nix, O., Nowak, G., Nunnemann, T., Olsson, J E., Ozerov, D., Panassik, V., Pascaud, C., Passaggio, S., Patel, G D., Perez, E., Phillips, J P., Pitzl, D., Poschl, R., Potachnikova, I., Povh, B., Rabbertz, K., Rdel, G., Rauschenberger, J., Reimer, P., Reisert, B., Reyna, D., Riess, S., Rizvi, E., Robmann, P., Roosen, R., Rostovtsev, A., Royon, C., Rusakov, S., Rybicki, K., Sankey, D P C., Scheins, J., Schilling, F P., Schleif, S., Schleper, P., Schmidt, D., Schoeffel, L., Schning, A., Schrner, T., Schroder, V., Schultz-Coulon, H C., Sedlak, K., Sefkow, F., Shekelian, V., Shevyakov, I., Shtarkov, L N., Siegmon, G., Sievers, P., Sirois, Y., Sloan, T., Smirnov, P., Smith, M., Solochenko, V., Solovev, Yu., Spaskov, V., Specka, A., Spitzer, H., Stamen, R., Steinhart, J., Stella, B., Stellberger, A., Stiewe, J., Straumann, U., Struczinski, W., Sutton, J P., Swart, M., Tasevsky, M., Chernyshov, V., Chechelnitskii, S., Thompson, G., Thompson, P D., Tobien, N., Traynor, D., Truol, P., Tsipolitis, G., Turnau, J., Turney, J E., Tzamariudaki, E., Udluft, S., Usik, A., Valkar, S., Valkarova, A., Vallee, C., Van Mechelen, P., Vazdik, Ya., Villet, G., von Dombrowski, S., Wacker, K., Wallny, R., Walter, T., Waugh, B., Weber, G., Weber, M., Wegener, D., Wegner, A., Wengler, T., Werner, M., West, L R., White, G., Wiesand, S., Wilksen, T., Winde, M., Winter, G G., Wissing, C., Wobisch, M., Wollatz, H., Wunsch, E., Zaicek, J., Zaleisak, J., Zhang, Z., Zhokin, A., Zini, P., Zomer, F., Zsembery, J., and zur Nedden, M.
- Abstract
The production of hard di-jet events in photoproduction at HERA is dominatedby resolved photon processes in which a parton in the photon with momentumfraction x_gamma is scattered from a parton in the proton. These processes aresensitive to the quark and gluon content of the photon. The differential di-jetcross-section dsigma/dlog(x_gamma) is presented here, measured in taggedphotoproduction at HERA using data taken with the H1 detector, corresponding toan integrated luminosity of 7.2 pb^(-1). Using a restricted data sample at hightransverse jet energy, E_(T,jet) 6 GeV, the effective parton densityf_gamma,eff(x_gamma) = [q(x_gamma) + bar(q)(x_gamma) +9/4g(x_gamma)] in thephoton in leading order QCD is measured down to x_gamma=0.05 from which thegluon density in the photon is derived.
7. A Search for Excited Fermions at HERA
- Author
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Adloff, C., Andreev, V., Andrieu, B., Arkadov, V., Astvatsatourov, A., Ayyaz, I., Babaev, A., Bahr, J., Baranov, P., Barrelet, E., Bartel, W., Bassler, U., Bate, P., Beglarian, A., Behnke, O., Beier, C., Belousov, A., Benisch, T., Berger, C., Bernardi, G., Berndt, T., Bizot, J C., Borras, K., Boudry, V., Braunschweig, W., Brisson, V., Broker, H B., Brown, D P., Brckner, W., Bruel, P., Bruncko, D., Brger, J., Bsser, F W., Bunyatyan, A., Burkhardt, H., Burrage, A., Buschhorn, G., Campbell, A J., Cao, J., Carli, T., Caron, S., Chabert, E., Clarke, D., Clerbaux, B., Collard, C., Contreras, J G., Coughlan, J A., Cousinou, M C., Cox, B E., Cozzika, G., Cvach, J., Dainton, J B., Dau, W D., Daum, K., Davidsson, M., Delcourt, B., Delerue, N., Demirchyan, R., de Roeck, A., De Wolf, E A., Diaconu, C., Dixon, P., Dodonov, V., Dowell, J D., Droutskoi, A., Duprel, C., Eckerlin, G., Eckstein, D., Efremenko, V., Egli, S., Eichler, R., Eisele, F., Eisenhandler, E., Ellerbrock, M., Elsen, E., Erdmann, M., Erdmann, W., Faulkner, P J W., Favart, L., Fedotov, A., Felst, R., Ferencei, J., Ferron, S., Fleischer, M., Flugge, G., Fomenko, A., Foresti, I., Formnek, J., Foster, J M., Franke, G., Gabathuler, E., Gabathuler, K., Garvey, J., Gassner, J., Gayler, J., Gerhards, R., Ghazaryan, S., Grlich, L., Gogitidze, N., Goldberg, M., Goodwin, C., Grab, C., Grssler, H., Greenshaw, T., Grindhammer, G., Hadig, T., Haidt, D., Hajduk, L., Haynes, W J., Heinemann, B., Heinzelmann, G., Henderson, R C W., Hengstmann, S., Henschel, H., Heremans, R., Herrera, G., Herynek, I., Hilgers, M., Hiller, K H., Hladky, J., Hoting, P., Hoffmann, D., Hoprich, W., Horisberger, R., Hurling, S., Ibbotson, M., Issever, C., Jacquet, M., Jaffr, M., Janauschek, L., Jansen, D M., Janssen, X., Jemanov, V., Jnsson, L B., Johnson, D P., Jones, M A S., Jung, H., Kastli, H K., Kant, D., Kapichine, M., Karlsson, M., Karschnick, O., Kaufmann, O., Kausch, M., Keil, F., Keller, N., Kennedy, J., Kenyon, I R., Kermiche, S., Kiesling, C., Klein, M., Kleinwort, C., Knies, G., Koblitz, B., Kolya, S D., Korbel, V., Kostka, P., Kotelnikov, S K., Krasny, M W., Krehbiel, H., Kroseberg, J., Krger, K., Kupper, A., Kuhr, T., Kurca, T., Kutuev, R., Lachnit, W., Lahmann, R., Lamb, D., Landon, M P J., Lange, W., Lastoviicka, T., Lebailly, E., Lebedev, A., Leiner, B., Lemrani, R., Lendermann, V., Levonian, S., Lindstrm, M., Lobodzinska, E., Lobodzinski, B., Loktionova, N., Lubimov, V., Luders, S., Luke, D., Lytkin, L., Magnussen, N., Mahlke-Krger, H., Malden, N., Malinovskii, E., Malinovski, I., Maracek, R., Marage, P., Marks, J., Marshall, R., Martyn, H U., Martyniak, J., Maxfield, S J., Mehta, A., Meier, K., Merkel, P., Metlica, F., Meyer, H., Meyer, J., Meyer, P O., Mikocki, S., Milstead, D., Mkrtchyan, T., Mohr, R., Mohrdieck, S., Mondragon, M N., Moreau, F., Morozov, A., Morris, J V., Muller, K., Murn, P., Nagovizin, V., Naroska, B., Naumann, J., Naumann, T., Negri, I., Nellen, G., Newman, P R., Nicholls, T C., 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S., Henschel, H., Heremans, R., Herrera, G., Herynek, I., Hilgers, M., Hiller, K H., Hladky, J., Hoting, P., Hoffmann, D., Hoprich, W., Horisberger, R., Hurling, S., Ibbotson, M., Issever, C., Jacquet, M., Jaffr, M., Janauschek, L., Jansen, D M., Janssen, X., Jemanov, V., Jnsson, L B., Johnson, D P., Jones, M A S., Jung, H., Kastli, H K., Kant, D., Kapichine, M., Karlsson, M., Karschnick, O., Kaufmann, O., Kausch, M., Keil, F., Keller, N., Kennedy, J., Kenyon, I R., Kermiche, S., Kiesling, C., Klein, M., Kleinwort, C., Knies, G., Koblitz, B., Kolya, S D., Korbel, V., Kostka, P., Kotelnikov, S K., Krasny, M W., Krehbiel, H., Kroseberg, J., Krger, K., Kupper, A., Kuhr, T., Kurca, T., Kutuev, R., Lachnit, W., Lahmann, R., Lamb, D., Landon, M P J., Lange, W., Lastoviicka, T., Lebailly, E., Lebedev, A., Leiner, B., Lemrani, R., Lendermann, V., Levonian, S., Lindstrm, M., Lobodzinska, E., Lobodzinski, B., Loktionova, N., Lubimov, V., Luders, S., Luke, D., Lytkin, L., Magnussen, N., 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8. A pyrosequencing insight into sprawling bacterial diversity and community dynamics in decaying deadwood logs of Fagus sylvatica and Picea abies.
- Author
-
Hoppe B, Krger K, Kahl T, Arnstadt T, Buscot F, Bauhus J, and Wubet T
- Subjects
- Metagenome, Phylogeny, RNA, Ribosomal, 16S genetics, Bacteria classification, Bacteria genetics, Biodiversity, Fagus, Microbiota, Picea, Trees, Wood microbiology
- Abstract
Deadwood is an important biodiversity hotspot in forest ecosystems. While saproxylic insects and wood-inhabiting fungi have been studied extensively, little is known about deadwood-inhabiting bacteria. The study we present is among the first to compare bacterial diversity and community structure of deadwood under field conditions. We therefore compared deadwood logs of two temperate forest tree species Fagus sylvatica and Picea abies using 16S rDNA pyrosequencing to identify changes in bacterial diversity and community structure at different stages of decay in forest plots under different management regimes. Alphaproteobacteria, Acidobacteria and Actinobacteria were the dominant taxonomic groups in both tree species. There were no differences in bacterial OTU richness between deadwood of Fagus sylvatica and Picea abies. Bacteria from the order Rhizobiales became more abundant during the intermediate and advanced stages of decay, accounting for up to 25% of the entire bacterial community in such logs. The most dominant OTU was taxonomically assigned to the genus Methylovirgula, which was recently described in a woodblock experiment of Fagus sylvatica. Besides tree species we were able to demonstrate that deadwood physico-chemical properties, in particular remaining mass, relative wood moisture, pH, and C/N ratio serve as drivers of community composition of deadwood-inhabiting bacteria.
- Published
- 2015
- Full Text
- View/download PDF
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