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D-Index & Metrics

Discipline name D-Index World Ranking National Ranking Publications Citations
Microbiology 72 1746 127 153 19232

Norbert Pfennig publications per year

The chart shows the history of publications by Norbert Pfennig between 1952 and 2006, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Norbert Pfennig published across 55 years, from 1952 to 2006, averaging 2.8 papers a year. Output peaked at 11 publications in 1981. 2 of the 156 publications appeared in the last two years.

No. of publications
2 4 6 8 10
Bar chart. Horizontal axis: year, 1952 to 2006. Vertical axis: number of publications, 0 to 11. Peak 11 publications in 1981. 1952: 2 publications 1953: 1 publication 1954: 1 publication 1955: 0 publications 1956: 2 publications 1957: 3 publications 1958: 3 publications 1959: 0 publications 1960: 1 publication 1961: 1 publication 1962: 2 publications 1963: 0 publications 1964: 1 publication 1965: 2 publications 1966: 1 publication 1967: 1 publication 1968: 1 publication 1969: 6 publications 1970: 1 publication 1971: 6 publications 1972: 2 publications 1973: 1 publication 1974: 3 publications 1975: 3 publications 1976: 3 publications 1977: 4 publications 1978: 8 publications 1979: 2 publications 1980: 4 publications 1981: 11 publications 1982: 5 publications 1983: 4 publications 1984: 5 publications 1985: 6 publications 1986: 5 publications 1987: 4 publications 1988: 4 publications 1989: 3 publications 1990: 8 publications 1991: 8 publications 1992: 10 publications 1993: 5 publications 1994: 3 publications 1995: 1 publication 1996: 0 publications 1997: 2 publications 1998: 1 publication 1999: 0 publications 2000: 0 publications 2001: 2 publications 2002: 0 publications 2003: 0 publications 2004: 2 publications 2005: 1 publication 2006: 1 publication
1952 2006

156 publications in total across all disciplines

View publications per year as a table
Norbert Pfennig: publications per year, 1952 to 2006
Year Publications
1952 2
1953 1
1954 1
1955 0
1956 2
1957 3
1958 3
1959 0
1960 1
1961 1
1962 2
1963 0
1964 1
1965 2
1966 1
1967 1
1968 1
1969 6
1970 1
1971 6
1972 2
1973 1
1974 3
1975 3
1976 3
1977 4
1978 8
1979 2
1980 4
1981 11
1982 5
1983 4
1984 5
1985 6
1986 5
1987 4
1988 4
1989 3
1990 8
1991 8
1992 10
1993 5
1994 3
1995 1
1996 0
1997 2
1998 1
1999 0
2000 0
2001 2
2002 0
2003 0
2004 2
2005 1
2006 1
Total 156
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Norbert Pfennig publication distribution in Microbiology in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Microbiology in 2026. The highlighted bar marks where Norbert Pfennig sits on this spectrum.

No. of scientists
50 100 150 200 250
Bar chart with 64 bars. Horizontal axis: publications, 55–64 to 679+. Vertical axis: number of scientists, 0 to 288. Most scientists, 288, have 135–144 publications. The last bar groups every scientist with 679 publications or more. The highlighted bar, 145–154 publications, is where this scientist sits. 55–64 publications: 8 scientists 65–74 publications: 29 scientists 75–84 publications: 55 scientists 85–94 publications: 112 scientists 95–104 publications: 137 scientists 105–114 publications: 190 scientists 115–124 publications: 235 scientists 125–134 publications: 234 scientists 135–144 publications: 288 scientists 145–154 publications: 265 scientists 155–164 publications: 264 scientists 165–174 publications: 253 scientists 175–184 publications: 276 scientists 185–194 publications: 190 scientists 195–204 publications: 234 scientists 205–214 publications: 208 scientists 215–224 publications: 198 scientists 225–234 publications: 155 scientists 235–244 publications: 161 scientists 245–254 publications: 160 scientists 255–264 publications: 146 scientists 265–274 publications: 139 scientists 275–284 publications: 148 scientists 285–294 publications: 115 scientists 295–304 publications: 96 scientists 305–314 publications: 88 scientists 315–324 publications: 106 scientists 325–334 publications: 65 scientists 335–344 publications: 76 scientists 345–354 publications: 64 scientists 355–364 publications: 62 scientists 365–374 publications: 65 scientists 375–384 publications: 61 scientists 385–394 publications: 34 scientists 395–404 publications: 44 scientists 405–414 publications: 36 scientists 415–424 publications: 35 scientists 425–434 publications: 29 scientists 435–444 publications: 33 scientists 445–454 publications: 34 scientists 455–464 publications: 25 scientists 465–474 publications: 26 scientists 475–484 publications: 20 scientists 485–494 publications: 19 scientists 495–504 publications: 16 scientists 505–514 publications: 17 scientists 515–524 publications: 23 scientists 525–534 publications: 14 scientists 535–544 publications: 14 scientists 545–554 publications: 18 scientists 555–564 publications: 12 scientists 565–574 publications: 7 scientists 575–584 publications: 9 scientists 585–594 publications: 9 scientists 595–604 publications: 9 scientists 605–614 publications: 7 scientists 615–624 publications: 9 scientists 625–634 publications: 7 scientists 635–644 publications: 4 scientists 645–654 publications: 5 scientists 655–664 publications: 6 scientists 665–674 publications: 7 scientists 675–678 publications: 3 scientists 679+ publications: 99 scientists
55–64 publications 679+

This scientist: 153 publications — 28th percentile

28% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 679 publications or more.

View publications distribution as a table
Number of Microbiology scientists by publication count, Research.com 2026 ranking edition. Based on 5,513 ranked scientists.
Publications Scientists This scientist
55–64 8
65–74 29
75–84 55
85–94 112
95–104 137
105–114 190
115–124 235
125–134 234
135–144 288
145–154 265 153
155–164 264
165–174 253
175–184 276
185–194 190
195–204 234
205–214 208
215–224 198
225–234 155
235–244 161
245–254 160
255–264 146
265–274 139
275–284 148
285–294 115
295–304 96
305–314 88
315–324 106
325–334 65
335–344 76
345–354 64
355–364 62
365–374 65
375–384 61
385–394 34
395–404 44
405–414 36
415–424 35
425–434 29
435–444 33
445–454 34
455–464 25
465–474 26
475–484 20
485–494 19
495–504 16
505–514 17
515–524 23
525–534 14
535–544 14
545–554 18
555–564 12
565–574 7
575–584 9
585–594 9
595–604 9
605–614 7
615–624 9
625–634 7
635–644 4
645–654 5
655–664 6
665–674 7
675–678 3
679+ 99
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Norbert Pfennig D-index placement in Microbiology in 2026

The chart shows the D-index (discipline H-index) distribution of Microbiology scientists ranked by Research.com in 2026. The highlighted bar marks where Norbert Pfennig sits on this spectrum.

No. of scientists
50 100 150
Bar chart with 88 bars. Horizontal axis: D-Index, 40 to 127+. Vertical axis: number of scientists, 0 to 162. Most scientists, 162, have 58 D-Index. The last bar groups every scientist with 127 D-Index or more. The highlighted bar, 72 D-Index, is where this scientist sits. 40 D-Index: 30 scientists 41 D-Index: 86 scientists 42 D-Index: 90 scientists 43 D-Index: 117 scientists 44 D-Index: 122 scientists 45 D-Index: 123 scientists 46 D-Index: 108 scientists 47 D-Index: 110 scientists 48 D-Index: 106 scientists 49 D-Index: 109 scientists 50 D-Index: 129 scientists 51 D-Index: 111 scientists 52 D-Index: 116 scientists 53 D-Index: 127 scientists 54 D-Index: 134 scientists 55 D-Index: 134 scientists 56 D-Index: 112 scientists 57 D-Index: 136 scientists 58 D-Index: 162 scientists 59 D-Index: 151 scientists 60 D-Index: 139 scientists 61 D-Index: 123 scientists 62 D-Index: 126 scientists 63 D-Index: 144 scientists 64 D-Index: 109 scientists 65 D-Index: 103 scientists 66 D-Index: 124 scientists 67 D-Index: 112 scientists 68 D-Index: 103 scientists 69 D-Index: 131 scientists 70 D-Index: 94 scientists 71 D-Index: 93 scientists 72 D-Index: 96 scientists 73 D-Index: 92 scientists 74 D-Index: 80 scientists 75 D-Index: 66 scientists 76 D-Index: 87 scientists 77 D-Index: 60 scientists 78 D-Index: 73 scientists 79 D-Index: 59 scientists 80 D-Index: 57 scientists 81 D-Index: 55 scientists 82 D-Index: 47 scientists 83 D-Index: 77 scientists 84 D-Index: 50 scientists 85 D-Index: 45 scientists 86 D-Index: 42 scientists 87 D-Index: 41 scientists 88 D-Index: 32 scientists 89 D-Index: 38 scientists 90 D-Index: 35 scientists 91 D-Index: 34 scientists 92 D-Index: 27 scientists 93 D-Index: 26 scientists 94 D-Index: 33 scientists 95 D-Index: 22 scientists 96 D-Index: 37 scientists 97 D-Index: 22 scientists 98 D-Index: 21 scientists 99 D-Index: 22 scientists 100 D-Index: 30 scientists 101 D-Index: 16 scientists 102 D-Index: 20 scientists 103 D-Index: 17 scientists 104 D-Index: 19 scientists 105 D-Index: 16 scientists 106 D-Index: 19 scientists 107 D-Index: 18 scientists 108 D-Index: 14 scientists 109 D-Index: 10 scientists 110 D-Index: 9 scientists 111 D-Index: 7 scientists 112 D-Index: 11 scientists 113 D-Index: 6 scientists 114 D-Index: 15 scientists 115 D-Index: 10 scientists 116 D-Index: 12 scientists 117 D-Index: 7 scientists 118 D-Index: 10 scientists 119 D-Index: 10 scientists 120 D-Index: 11 scientists 121 D-Index: 2 scientists 122 D-Index: 7 scientists 123 D-Index: 12 scientists 124 D-Index: 5 scientists 125 D-Index: 9 scientists 126 D-Index: 6 scientists 127+ D-Index: 95 scientists
40 D-Index 127+

This scientist: 72 D-Index — 69th percentile

69% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 127 D-Index or more.

View D-Index distribution as a table
Number of Microbiology scientists by D-index, Research.com 2026 ranking edition. Based on 5,513 ranked scientists.
D-Index Scientists This scientist
40 30
41 86
42 90
43 117
44 122
45 123
46 108
47 110
48 106
49 109
50 129
51 111
52 116
53 127
54 134
55 134
56 112
57 136
58 162
59 151
60 139
61 123
62 126
63 144
64 109
65 103
66 124
67 112
68 103
69 131
70 94
71 93
72 96 72
73 92
74 80
75 66
76 87
77 60
78 73
79 59
80 57
81 55
82 47
83 77
84 50
85 45
86 42
87 41
88 32
89 38
90 35
91 34
92 27
93 26
94 33
95 22
96 37
97 22
98 21
99 22
100 30
101 16
102 20
103 17
104 19
105 16
106 19
107 18
108 14
109 10
110 9
111 7
112 11
113 6
114 15
115 10
116 12
117 7
118 10
119 10
120 11
121 2
122 7
123 12
124 5
125 9
126 6
127+ 95
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Overview

Norbert Pfennig is a researcher affiliated with the University of Konstanz in Germany. Their academic focus and career details reflect the institutional association without further specification of fields of study or research topics.

Information on recent publications by Norbert Pfennig is not available, and there are no listed frequent co-authors or publication venues tied to their work. Likewise, there are no recorded book publications or awards associated with this scientist.

Due to the absence of detailed data on specific research fields, subfields, or main topics covered by their work, it is not possible to elaborate on the thematic scope of their scientific contributions.

The profile is based exclusively on the provided source data and does not incorporate external references or interpretations beyond these facts.

Best Publications

  • Studies on dissimilatory sulfate-reducing bacteria that decompose fatty acids. I. Isolation of new sulfate-reducing bacteria enriched with acetate from saline environments. Description of Desulfobacter postgatei gen. nov., sp. nov.

    Friedrich Widdel;Norbert Pfennig

  • Über das Vitamin B12-Bedürfnis phototropher Schwefelbakterien

    Norbert Pfennig;Klaus Dieter Lippert

  • Growth yield increase linked to caffeate reduction in Acetobacterium woodii

    Andreas Tschech;Norbert Pfennig

  • Anaerobic bacterium that degrades fatty acids in syntrophic association with methanogens

    Michael J. McInerney;Marvin P. Bryant;Norbert Pfennig

  • Rhodocyclus purpureus gen. nov. and sp. nov., a Ring-Shaped, Vitamin B12-Requiring Member of the Family Rhodospirillaceae

    Norbert Pfennig

  • Desulfuromonas acetoxidans gen. nov. and sp. nov., a new anaerobic, sulfur-reducing, acetate-oxidizing bacterium

    Norbert Pfennig;Hanno Biebl

  • The Dissimilatory Sulfate-Reducing Bacteria

    Norbert Pfennig;Friedrich Widdel;Hans G. Trüper

  • Rearrangement of the Species and Genera of the Phototrophic “Purple Nonsulfur Bacteria”

    J. F. Imhoff;H. G. TRüPER;N. Pfennig

  • Selective isolation of Acetobacterium woodii on methoxylated aromatic acids and determination of growth yields

    Regina Bache;Norbert Pfennig

  • Studies on dissimilatory sulfate-reducing bacteria that decompose fatty acids II. Incomplete oxidation of propionate by Desulfobulbus propionicus gen. nov., sp. nov.

    Friedrich Widdel;Norbert Pfennig

  • A new anaerobic, sporing, acetate-oxidizing, sulfate-reducing bacterium, Desulfotomaculum (emend.) acetoxidans

    Friedrich Widdel;Norbert Pfennig

  • Growth yields of green sulfur bacteria in mixed cultures with sulfur and sulfate reducing bacteria

    Hanno Biebl;Norbert Pfennig

  • An extremely low‐light adapted phototrophic sulfur bacterium from the Black Sea

    Jörg Overmann;Heribert Cypionka;Norbert Pfennig

  • The Family Chromatiaceae

    Norbert Pfennig;Hans G. Trüper

  • Isolation of Members of the Family Rhodospirillaceae

    Hanno Biebl;Norbert Pfennig

  • Isolation of Members of the Families Chromatiaceae and Chlorobiaceae

    Norbert Pfennig;Hans G. Trüper

  • Survival of sulfate-reducing bacteria after oxygen stress, and growth in sulfate-free oxygen-sulfide gradients

    Heribert Cypionka;Friedrich Widdel;Norbert Pfennig

  • Fermentation of Trihydroxybenzenes by Pelobacter acidigallici gen. nov. sp. nov., a New Strictly Anaerobic, Non-Sporeforming Bacterium

    Bernhard Schink;Norbert Pfennig

  • Report of the Ad Hoc Committee on Approaches to Taxonomy within the Proteobacteria

    R. G. E. Murray;D. J. Brenner;R. R. Colwell;P. De Vos

  • Oxidation of short-chain fatty acids by sulfate-reducing bacteria in freshwater and in marine sediments.

    Hendrikus J. Laanbroek;Norbert Pfennig

  • Chemolithotrophic growth of Desulfovibrio sulfodismutans sp. nov. by disproportionation of inorganic sulfur compounds

    F. Bak;N. Pfennig

Frequent Co-Authors

Hans G. Trüper
Hans G. Trüper University of Bonn
Friedrich Widdel
Friedrich Widdel Max Planck Society
Heribert Cypionka
Heribert Cypionka Carl von Ossietzky University of Oldenburg
Jörg Overmann
Jörg Overmann Leibniz Association
Bernhard Schink
Bernhard Schink University of Konstanz
Johannes F. Imhoff
Johannes F. Imhoff GEOMAR Helmholtz Centre for Ocean Research Kiel
Rudolf K. Thauer
Rudolf K. Thauer Max Planck Society
Hans Brockmann
Hans Brockmann University of Göttingen
Werner Liesack
Werner Liesack Max Planck Society
Ralf Conrad
Ralf Conrad Max Planck Society

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