| Discipline name | D-Index | World Ranking | National Ranking | Publications | Citations |
|---|---|---|---|---|---|
| Plant Science and Agronomy | 58 | 1397 | 98 | 139 | 8362 |
| Ecology and Evolution | 59 | 2483 | 131 | 143 | 8511 |
The chart shows the history of publications by Ludger Kappen between 1969 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Ludger Kappen published across 57 years, from 1969 to 2025, averaging 2.6 papers a year. Output peaked at 10 publications in 1975. 2 of the 148 publications appeared in the last two years.
148 publications in total across all disciplines
| Year | Publications |
|---|---|
| 1969 | 2 |
| 1970 | 2 |
| 1971 | 1 |
| 1972 | 5 |
| 1973 | 5 |
| 1974 | 2 |
| 1975 | 10 |
| 1976 | 5 |
| 1977 | 2 |
| 1978 | 2 |
| 1979 | 4 |
| 1980 | 4 |
| 1981 | 3 |
| 1982 | 1 |
| 1983 | 4 |
| 1984 | 1 |
| 1985 | 4 |
| 1986 | 1 |
| 1987 | 4 |
| 1988 | 4 |
| 1989 | 6 |
| 1990 | 3 |
| 1991 | 5 |
| 1992 | 6 |
| 1993 | 4 |
| 1994 | 0 |
| 1995 | 5 |
| 1996 | 4 |
| 1997 | 7 |
| 1998 | 5 |
| 1999 | 8 |
| 2000 | 3 |
| 2001 | 7 |
| 2002 | 4 |
| 2003 | 0 |
| 2004 | 1 |
| 2005 | 0 |
| 2006 | 0 |
| 2007 | 1 |
| 2008 | 6 |
| 2009 | 1 |
| 2010 | 0 |
| 2011 | 2 |
| 2012 | 0 |
| 2013 | 2 |
| 2014 | 0 |
| 2015 | 0 |
| 2016 | 0 |
| 2017 | 0 |
| 2018 | 0 |
| 2019 | 0 |
| 2020 | 0 |
| 2021 | 0 |
| 2022 | 0 |
| 2023 | 0 |
| 2024 | 0 |
| 2025 | 2 |
| Total | 148 |
The chart shows the distribution of publications by all Research.com ranked scientists in the field of Plant Science and Agronomy in 2026. The highlighted bar marks where Ludger Kappen sits on this spectrum.
This scientist: 139 publications — 52nd percentile
52% of scientists in this discipline score the same or lower.
The last bar groups every scientist with 467 publications or more.
| Publications | Scientists | This scientist |
|---|---|---|
| 36–40 | 2 | |
| 41–45 | 7 | |
| 46–50 | 40 | |
| 51–55 | 58 | |
| 56–60 | 60 | |
| 61–65 | 107 | |
| 66–70 | 130 | |
| 71–75 | 153 | |
| 76–80 | 191 | |
| 81–85 | 199 | |
| 86–90 | 206 | |
| 91–95 | 218 | |
| 96–100 | 226 | |
| 101–105 | 227 | |
| 106–110 | 247 | |
| 111–115 | 255 | |
| 116–120 | 253 | |
| 121–125 | 233 | |
| 126–130 | 219 | |
| 131–135 | 201 | |
| 136–140 | 194 | 139 |
| 141–145 | 176 | |
| 146–150 | 157 | |
| 151–155 | 147 | |
| 156–160 | 151 | |
| 161–165 | 159 | |
| 166–170 | 137 | |
| 171–175 | 128 | |
| 176–180 | 126 | |
| 181–185 | 98 | |
| 186–190 | 114 | |
| 191–195 | 100 | |
| 196–200 | 90 | |
| 201–205 | 71 | |
| 206–210 | 98 | |
| 211–215 | 70 | |
| 216–220 | 86 | |
| 221–225 | 61 | |
| 226–230 | 58 | |
| 231–235 | 53 | |
| 236–240 | 64 | |
| 241–245 | 39 | |
| 246–250 | 46 | |
| 251–255 | 51 | |
| 256–260 | 36 | |
| 261–265 | 44 | |
| 266–270 | 35 | |
| 271–275 | 30 | |
| 276–280 | 33 | |
| 281–285 | 35 | |
| 286–290 | 36 | |
| 291–295 | 26 | |
| 296–300 | 26 | |
| 301–305 | 31 | |
| 306–310 | 30 | |
| 311–315 | 21 | |
| 316–320 | 29 | |
| 321–325 | 14 | |
| 326–330 | 15 | |
| 331–335 | 15 | |
| 336–340 | 17 | |
| 341–345 | 15 | |
| 346–350 | 12 | |
| 351–355 | 17 | |
| 356–360 | 18 | |
| 361–365 | 12 | |
| 366–370 | 11 | |
| 371–375 | 6 | |
| 376–380 | 6 | |
| 381–385 | 11 | |
| 386–390 | 9 | |
| 391–395 | 10 | |
| 396–400 | 8 | |
| 401–405 | 4 | |
| 406–410 | 9 | |
| 411–415 | 11 | |
| 416–420 | 4 | |
| 421–425 | 7 | |
| 426–430 | 4 | |
| 431–435 | 3 | |
| 436–440 | 5 | |
| 441–445 | 8 | |
| 446–450 | 6 | |
| 451–455 | 7 | |
| 456–460 | 5 | |
| 461–465 | 6 | |
| 466 | 2 | |
| 467+ | 99 |
The chart shows the D-index (discipline H-index) distribution of Plant Science and Agronomy scientists ranked by Research.com in 2026. The highlighted bar marks where Ludger Kappen sits on this spectrum.
This scientist: 58 D-Index — 80th percentile
80% of scientists in this discipline score the same or lower.
The last bar groups every scientist with 109 D-Index or more.
| D-Index | Scientists | This scientist |
|---|---|---|
| 30 | 200 | |
| 31 | 236 | |
| 32 | 253 | |
| 33 | 283 | |
| 34 | 288 | |
| 35 | 240 | |
| 36 | 246 | |
| 37 | 243 | |
| 38 | 247 | |
| 39 | 229 | |
| 40 | 232 | |
| 41 | 230 | |
| 42 | 228 | |
| 43 | 219 | |
| 44 | 193 | |
| 45 | 164 | |
| 46 | 158 | |
| 47 | 143 | |
| 48 | 131 | |
| 49 | 127 | |
| 50 | 122 | |
| 51 | 122 | |
| 52 | 110 | |
| 53 | 102 | |
| 54 | 98 | |
| 55 | 79 | |
| 56 | 85 | |
| 57 | 88 | |
| 58 | 91 | 58 |
| 59 | 62 | |
| 60 | 61 | |
| 61 | 59 | |
| 62 | 54 | |
| 63 | 61 | |
| 64 | 59 | |
| 65 | 58 | |
| 66 | 41 | |
| 67 | 49 | |
| 68 | 39 | |
| 69 | 32 | |
| 70 | 40 | |
| 71 | 47 | |
| 72 | 38 | |
| 73 | 28 | |
| 74 | 29 | |
| 75 | 28 | |
| 76 | 22 | |
| 77 | 21 | |
| 78 | 25 | |
| 79 | 26 | |
| 80 | 19 | |
| 81 | 16 | |
| 82 | 12 | |
| 83 | 16 | |
| 84 | 14 | |
| 85 | 11 | |
| 86 | 17 | |
| 87 | 13 | |
| 88 | 10 | |
| 89 | 12 | |
| 90 | 18 | |
| 91 | 16 | |
| 92 | 16 | |
| 93 | 17 | |
| 94 | 12 | |
| 95 | 8 | |
| 96 | 9 | |
| 97 | 9 | |
| 98 | 11 | |
| 99 | 12 | |
| 100 | 5 | |
| 101 | 8 | |
| 102 | 4 | |
| 103 | 11 | |
| 104 | 5 | |
| 105 | 9 | |
| 106 | 7 | |
| 107 | 4 | |
| 108 | 8 | |
| 109+ | 99 |
Ludger Kappen is a researcher affiliated with Kiel University in Germany. Their work primarily focuses on the intersection of biomedical engineering, molecular biology, and plant science, emphasizing applications in agriculture and plant tissue culture.
The recent published works of Ludger Kappen include:
Their research topics cover:
Ludger Kappen has collaborated frequently with several co-authors, including:
They have published mainly in the journal Plant Nano Biology, which is the primary venue for their recent works.
O. L. Lange;R. Lösch;Ernst Detlef Schulze;L. Kappen
Ernst Detlef Schulze;O. L. Lange;O. L. Lange;U. Buschbom;U. Buschbom;L. Kappen;L. Kappen
O. L. Lange;L. Kappen;Ernst Detlef Schulze
L Kappen
Ernst Detlef Schulze;O. L. Lange;M. Evenari;L. Kappen
Ludger Kappen
L. Kappen;O.L. Lange;U. Buschbom;E.-D. Schulze
Ernst Detlef Schulze;O. L. Lange;L. Kappen;M. Evenari
E.I. Friedmann;L. Kappen;M.A. Meyer;J.A. Nienow
Ludger Kappen
Ernst Detlef Schulze;O. L. Lange;O. L. Lange;L. Kappen;L. Kappen;U. Buschbom;U. Buschbom
O. L. Lange;L. Kappen;E.-D. Schulze
C. Gries;L. Kappen;R. Lösch
Otto L. Lange;Ludger Kappen
Mathias Herbst;Ludger Kappen
L. Kappen;E.I. Friedmann;J. Garty
L Kappen;B Schroeter;C Scheidegger;M Sommerkorn
L. Kappen;L. Kappen;E. I. Friedmann;E. I. Friedmann
Unknown
O. L. Lange;Ernst Detlef Schulze;M. Evenari;L. Kappen
Werner Leo Kutsch;Arne Staack;Jörg Wötzel;Ulrike Middelhoff
L. Kappen;B. Schroeter;T. G. A. Green;R. D. Seppelt
B. Schroeter;T. G. A. Green;R. D. Seppelt;L. Kappen
L. Kappen;O. L. Lange;Ernst Detlef Schulze;U. Buschbom
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