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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Plant Science and Agronomy 43 3335 3109 28 26 130 4966

Pekka Saranpää publications per year

The chart shows the history of publications by Pekka Saranpää between 1983 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Pekka Saranpää published across 43 years, from 1983 to 2025, averaging 4 papers a year. Output peaked at 14 publications in 2008. 4 of the 170 publications appeared in the last two years.

No. of publications
5 10
Bar chart. Horizontal axis: year, 1983 to 2025. Vertical axis: number of publications, 0 to 14. Peak 14 publications in 2008. 1983: 1 publication 1984: 0 publications 1985: 1 publication 1986: 0 publications 1987: 3 publications 1988: 1 publication 1989: 2 publications 1990: 0 publications 1991: 0 publications 1992: 0 publications 1993: 0 publications 1994: 2 publications 1995: 0 publications 1996: 5 publications 1997: 1 publication 1998: 3 publications 1999: 0 publications 2000: 4 publications 2001: 7 publications 2002: 9 publications 2003: 11 publications 2004: 13 publications 2005: 8 publications 2006: 9 publications 2007: 9 publications 2008: 14 publications 2009: 5 publications 2010: 2 publications 2011: 2 publications 2012: 9 publications 2013: 7 publications 2014: 11 publications 2015: 4 publications 2016: 3 publications 2017: 2 publications 2018: 3 publications 2019: 4 publications 2020: 3 publications 2021: 1 publication 2022: 3 publications 2023: 4 publications 2024: 2 publications 2025: 2 publications
1983 2025

170 publications in total across all disciplines

View publications per year as a table
Pekka Saranpää: publications per year, 1983 to 2025
Year Publications
1983 1
1984 0
1985 1
1986 0
1987 3
1988 1
1989 2
1990 0
1991 0
1992 0
1993 0
1994 2
1995 0
1996 5
1997 1
1998 3
1999 0
2000 4
2001 7
2002 9
2003 11
2004 13
2005 8
2006 9
2007 9
2008 14
2009 5
2010 2
2011 2
2012 9
2013 7
2014 11
2015 4
2016 3
2017 2
2018 3
2019 4
2020 3
2021 1
2022 3
2023 4
2024 2
2025 2
Total 170
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Pekka Saranpää publication distribution in Plant Science and Agronomy in 2026

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 Pekka Saranpää sits on this spectrum.

No. of scientists
50 100 150 200 250
Bar chart with 88 bars. Horizontal axis: publications, 36–40 to 467+. Vertical axis: number of scientists, 0 to 255. Most scientists, 255, have 111–115 publications. The last bar groups every scientist with 467 publications or more. The highlighted bar, 126–130 publications, is where this scientist sits. 36–40 publications: 2 scientists 41–45 publications: 7 scientists 46–50 publications: 40 scientists 51–55 publications: 58 scientists 56–60 publications: 60 scientists 61–65 publications: 107 scientists 66–70 publications: 130 scientists 71–75 publications: 153 scientists 76–80 publications: 191 scientists 81–85 publications: 199 scientists 86–90 publications: 206 scientists 91–95 publications: 218 scientists 96–100 publications: 226 scientists 101–105 publications: 227 scientists 106–110 publications: 247 scientists 111–115 publications: 255 scientists 116–120 publications: 253 scientists 121–125 publications: 233 scientists 126–130 publications: 219 scientists 131–135 publications: 201 scientists 136–140 publications: 194 scientists 141–145 publications: 176 scientists 146–150 publications: 157 scientists 151–155 publications: 147 scientists 156–160 publications: 151 scientists 161–165 publications: 159 scientists 166–170 publications: 137 scientists 171–175 publications: 128 scientists 176–180 publications: 126 scientists 181–185 publications: 98 scientists 186–190 publications: 114 scientists 191–195 publications: 100 scientists 196–200 publications: 90 scientists 201–205 publications: 71 scientists 206–210 publications: 98 scientists 211–215 publications: 70 scientists 216–220 publications: 86 scientists 221–225 publications: 61 scientists 226–230 publications: 58 scientists 231–235 publications: 53 scientists 236–240 publications: 64 scientists 241–245 publications: 39 scientists 246–250 publications: 46 scientists 251–255 publications: 51 scientists 256–260 publications: 36 scientists 261–265 publications: 44 scientists 266–270 publications: 35 scientists 271–275 publications: 30 scientists 276–280 publications: 33 scientists 281–285 publications: 35 scientists 286–290 publications: 36 scientists 291–295 publications: 26 scientists 296–300 publications: 26 scientists 301–305 publications: 31 scientists 306–310 publications: 30 scientists 311–315 publications: 21 scientists 316–320 publications: 29 scientists 321–325 publications: 14 scientists 326–330 publications: 15 scientists 331–335 publications: 15 scientists 336–340 publications: 17 scientists 341–345 publications: 15 scientists 346–350 publications: 12 scientists 351–355 publications: 17 scientists 356–360 publications: 18 scientists 361–365 publications: 12 scientists 366–370 publications: 11 scientists 371–375 publications: 6 scientists 376–380 publications: 6 scientists 381–385 publications: 11 scientists 386–390 publications: 9 scientists 391–395 publications: 10 scientists 396–400 publications: 8 scientists 401–405 publications: 4 scientists 406–410 publications: 9 scientists 411–415 publications: 11 scientists 416–420 publications: 4 scientists 421–425 publications: 7 scientists 426–430 publications: 4 scientists 431–435 publications: 3 scientists 436–440 publications: 5 scientists 441–445 publications: 8 scientists 446–450 publications: 6 scientists 451–455 publications: 7 scientists 456–460 publications: 5 scientists 461–465 publications: 6 scientists 466 publications: 2 scientists 467+ publications: 99 scientists
36–40 publications 467+

This scientist: 130 publications — 47th percentile

47% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 467 publications or more.

View publications distribution as a table
Number of Plant Science and Agronomy scientists by publication count, Research.com 2026 ranking edition. Based on 6,494 ranked scientists.
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
126–130 219 130
131–135 201
136–140 194
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
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Pekka Saranpää D-index placement in Plant Science and Agronomy in 2026

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 Pekka Saranpää sits on this spectrum.

No. of scientists
50 100 150 200 250
Bar chart with 80 bars. Horizontal axis: D-Index, 30 to 109+. Vertical axis: number of scientists, 0 to 288. Most scientists, 288, have 34 D-Index. The last bar groups every scientist with 109 D-Index or more. The highlighted bar, 43 D-Index, is where this scientist sits. 30 D-Index: 200 scientists 31 D-Index: 236 scientists 32 D-Index: 253 scientists 33 D-Index: 283 scientists 34 D-Index: 288 scientists 35 D-Index: 240 scientists 36 D-Index: 246 scientists 37 D-Index: 243 scientists 38 D-Index: 247 scientists 39 D-Index: 229 scientists 40 D-Index: 232 scientists 41 D-Index: 230 scientists 42 D-Index: 228 scientists 43 D-Index: 219 scientists 44 D-Index: 193 scientists 45 D-Index: 164 scientists 46 D-Index: 158 scientists 47 D-Index: 143 scientists 48 D-Index: 131 scientists 49 D-Index: 127 scientists 50 D-Index: 122 scientists 51 D-Index: 122 scientists 52 D-Index: 110 scientists 53 D-Index: 102 scientists 54 D-Index: 98 scientists 55 D-Index: 79 scientists 56 D-Index: 85 scientists 57 D-Index: 88 scientists 58 D-Index: 91 scientists 59 D-Index: 62 scientists 60 D-Index: 61 scientists 61 D-Index: 59 scientists 62 D-Index: 54 scientists 63 D-Index: 61 scientists 64 D-Index: 59 scientists 65 D-Index: 58 scientists 66 D-Index: 41 scientists 67 D-Index: 49 scientists 68 D-Index: 39 scientists 69 D-Index: 32 scientists 70 D-Index: 40 scientists 71 D-Index: 47 scientists 72 D-Index: 38 scientists 73 D-Index: 28 scientists 74 D-Index: 29 scientists 75 D-Index: 28 scientists 76 D-Index: 22 scientists 77 D-Index: 21 scientists 78 D-Index: 25 scientists 79 D-Index: 26 scientists 80 D-Index: 19 scientists 81 D-Index: 16 scientists 82 D-Index: 12 scientists 83 D-Index: 16 scientists 84 D-Index: 14 scientists 85 D-Index: 11 scientists 86 D-Index: 17 scientists 87 D-Index: 13 scientists 88 D-Index: 10 scientists 89 D-Index: 12 scientists 90 D-Index: 18 scientists 91 D-Index: 16 scientists 92 D-Index: 16 scientists 93 D-Index: 17 scientists 94 D-Index: 12 scientists 95 D-Index: 8 scientists 96 D-Index: 9 scientists 97 D-Index: 9 scientists 98 D-Index: 11 scientists 99 D-Index: 12 scientists 100 D-Index: 5 scientists 101 D-Index: 8 scientists 102 D-Index: 4 scientists 103 D-Index: 11 scientists 104 D-Index: 5 scientists 105 D-Index: 9 scientists 106 D-Index: 7 scientists 107 D-Index: 4 scientists 108 D-Index: 8 scientists 109+ D-Index: 99 scientists
30 D-Index 109+

This scientist: 43 D-Index — 52nd percentile

52% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 109 D-Index or more.

View D-Index distribution as a table
Number of Plant Science and Agronomy scientists by D-index, Research.com 2026 ranking edition. Based on 6,494 ranked scientists.
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 43
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
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
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Overview

What is he best known for?

The fields of study he is best known for:

  • Botany
  • Ecology
  • Organic chemistry

Pekka Saranpää mainly investigates Picea abies, Botany, Pith, Horticulture and Tracheid. His Picea abies research includes themes of Thinning, Microfibril and Human fertilization. In his study, Cellulose and Ring is inextricably linked to Composite material, which falls within the broad field of Microfibril.

Pekka Saranpää regularly links together related areas like Animal science in his Botany studies. The study incorporates disciplines such as Sugar and Softwood in addition to Pith. His work deals with themes such as Growing season and Bark, which intersect with Horticulture.

His most cited work include:

  • Crystallinity of wood and the size of cellulose crystallites in Norway spruce (Picea abies) (163 citations)
  • Seasonal changes in stem radius and production of new tracheids in Norway spruce. (115 citations)
  • Wood-density variation of Norway spruce in relation to nutrient optimization and fibre dimensions (102 citations)

What are the main themes of his work throughout his whole career to date?

Pekka Saranpää mainly focuses on Botany, Picea abies, Lignin, Xylem and Tracheid. Botany and Horticulture are frequently intertwined in his study. His biological study spans a wide range of topics, including Animal science, Thinning and Microfibril.

In Microfibril, he works on issues like Composite material, which are connected to Cellulose. His Xylem study deals with Chemical composition intersecting with Plant composition. His Pith study combines topics from a wide range of disciplines, such as Softwood and Bark.

He most often published in these fields:

  • Botany (57.25%)
  • Picea abies (33.33%)
  • Lignin (23.19%)

What were the highlights of his more recent work (between 2010-2021)?

  • Botany (57.25%)
  • Bark (11.59%)
  • Lignin (23.19%)

In recent papers he was focusing on the following fields of study:

Pekka Saranpää focuses on Botany, Bark, Lignin, Horticulture and Picea abies. His research links Cellulose with Botany. Pekka Saranpää has researched Bark in several fields, including Softwood, Chemical composition, Sodium hydroxide and Plant composition.

His Lignin research integrates issues from Food science, Phleum and Biochemistry. Pekka Saranpää combines subjects such as Radial growth and Growing season with his study of Horticulture. His Picea abies research integrates issues from Chemical structure and Ring.

Between 2010 and 2021, his most popular works were:

  • The biology of reaction wood (31 citations)
  • Determining the Composition of Lignins in Different Tissues of Silver Birch (28 citations)
  • Tannins can slow-down but also speed-up soil enzymatic activity in boreal forest (27 citations)

In his most recent research, the most cited papers focused on:

  • Botany
  • Ecology
  • Organic chemistry

His main research concerns Botany, Picea abies, Bark, Astringin and Composite material. His studies deal with areas such as Ecosystem and Taiga as well as Botany. His work carried out in the field of Picea abies brings together such families of science as Forestry and Ring.

His research in Bark intersects with topics in High-performance liquid chromatography, Chromatography, Hydrolysis and Carbon-13 NMR. His work in the fields of Composite material, such as Wetting, Wood veneer and Veneer, overlaps with other areas such as Adhesive bonding. His Phloem research is multidisciplinary, relying on both Betula pendula, Xylem, Sclereid and Lignin.

Best Publications

  • Crystallinity of wood and the size of cellulose crystallites in Norway spruce (Picea abies)

    Seppo Andersson;Ritva Serimaa;Timo Paakkari;Pekka SaranpÄÄ

  • Seasonal changes in stem radius and production of new tracheids in Norway spruce.

    Harri Mäkinen;Pekka Nöjd;Pekka Saranpää

  • Wood density and growth

    Pekka Saranpää

  • Wood-density variation of Norway spruce in relation to nutrient optimization and fibre dimensions

    Harri Mäkinen;Pekka Saranpää;Sune Linder

  • Wood Density within Norway Spruce Stems

    Tuula Jyske;Harri Mäkinen;Pekka Saranpää

  • Expression profiling of the lignin biosynthetic pathway in Norway spruce using EST sequencing and real-time RT-PCR.

    Sanna Koutaniemi;Tino Warinowski;Anna Kärkönen;Edward Alatalo

  • Chemical factors affecting the brown-rot decay resistance of Scots pine heartwood

    Anni M. Harju;Martti Venäläinen;Seija Anttonen;Hannu Viitanen

  • Variation of non-structural carbohydrates in silver birch (Betula pendula Roth) wood

    Riikka Piispanen;Pekka Saranpää

  • Wood density in Norway spruce : changes with thinning intensity and tree age

    Tuula Jaakkola;Harri Mäkinen;Pekka Saranpää

  • Microfibril angle of Norway spruce [Picea abies (L.) Karst.] compression wood: comparison of measuring techniques

    Seppo Andersson;Ritva Serimaa;Mika Torkkeli;Timo Paakkari

  • Stem wood properties of Populus tremuloides, Betula papyrifera and Acer saccharum saplings after 3 years of treatments to elevated carbon dioxide and ozone

    Seija Kaakinen;Katri Kostiainen;Fredrik Ek;Pekka Saranpaa

  • The concentration of phenolics in brown-rot decay resistant and susceptible Scots pine heartwood

    Martti Venäläinen;Anni M. Harju;Pekka Saranpää;Pirjo Kainulainen

  • Effect of elevated [CO2] on stem wood properties of mature Norway spruce grown at different soil nutrient availability

    Katri Kostiainen;Seija Kaakinen;Pekka Saranpää;Bjarni D. Sigurdsson

  • Effect of Growth Rate on Fibre Characteristics in Norway Spruce (Picea abies (L.) Karst.)

    Harri Mäkinen;Pekka Saranpää;Sune Linder

  • The biology of reaction wood

    Barry Gardiner;John Barnett;Pekka Saranpää;Joseph Gril

  • Predicting wood and tracheid properties of Norway spruce

    Harri Mäkinen;Tuula Jaakkola;Riikka Piispanen;Pekka Saranpää

  • Soluble carbohydrates of Pinus sylvestris L. sapwood and heartwood

    Pekka Saranpää;Wolfgang Höll

  • The dibenzodioxocin lignin substructure is abundant in the inner part of the secondary wall in Norway spruce and silver birch xylem.

    Eija M. Kukkola;Sanna Koutaniemi;Eija Pöllänen;Mikaela Gustafsson

  • FTIR spectroscopic prediction of Klason and acid soluble lignin variation in Norway spruce cutting clones

    Sanni Raiskila;Minna Pulkkinen;Tapio Laakso;Kurt Fagerstedt

  • Structural variation of tracheids in Norway spruce (Picea abies [L.] Karst.).

    Matti-P Sarén;Ritva Serimaa;Seppo Andersson;Timo Paakkari

  • Basic density, longitudinal shrinkage and tracheid length of juvenile wood of Picea abies (L.) Karst

    Pekka Saranpää

Frequent Co-Authors

Kurt V. Fagerstedt
Kurt V. Fagerstedt University of Helsinki
Elina Vapaavuori
Elina Vapaavuori Finnish Forest Research Institute
Harri Mäkinen
Harri Mäkinen Natural Resources Institute Finland
Ritva Serimaa
Ritva Serimaa University of Helsinki
Kristiina Wähälä
Kristiina Wähälä University of Helsinki
Sune Linder
Sune Linder Swedish University of Agricultural Sciences
Vincent L. Chiang
Vincent L. Chiang North Carolina State University
Hely Häggman
Hely Häggman University of Oulu
Teemu H. Teeri
Teemu H. Teeri University of Helsinki
Aino Smolander
Aino Smolander Finnish Forest Research Institute

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