A Bibliometric Analysis of Global Fine Roots Research in Forest Ecosystems during 1992–2020
Abstract
:1. Introduction
2. Materials and Methods
2.1. Data Collection
2.2. Bibliometric Analysis
3. Results and Discussion
3.1. General Statistics
3.2. Co-Authorship Network Analysis
3.3. Co-Citation Network Analysis
3.4. Keyword Analysis
4. Conclusions and Future Perspectives
Supplementary Materials
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Acknowledgments
Conflicts of Interest
References
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Rank | Country | N (%) | Citations | h-Index | Institution | N (%) | Citations | h-Index |
---|---|---|---|---|---|---|---|---|
1 | USA | 1175 (35.50%) | 81,621 | 143 | Chinese Academy of Sciences, China | 307 (9.27%) | 7073 | 38 |
2 | China | 663 (20.03%) | 14,641 | 53 | United States Forest Service, USA | 143 (4.32%) | 9119 | 49 |
3 | Germany | 390 (11.78%) | 19,491 | 67 | Swedish University of Agricultural Science, Sweden | 129 (3.89%) | 6919 | 46 |
4 | Canada | 263 (7.95%) | 9703 | 51 | University of Göttingen, Germany | 123 (3.72%) | 6543 | 42 |
5 | Japan | 197 (5.95%) | 4999 | 37 | University of Chinese Academy of Sciences, China | 95 (2.87%) | 1216 | 20 |
6 | Sweden | 195 (5.89%) | 10,089 | 56 | Cornell University, USA | 85 (2.57%) | 6146 | 38 |
7 | France | 180 (5.44%) | 8957 | 46 | University of Helsinki, Finland | 79 (2.39%) | 3699 | 30 |
8 | Australia | 151 (4.56%) | 7164 | 44 | INRAE, France | 76 (2.29%) | 3848 | 32 |
9 | Finland | 150 (4.53%) | 7325 | 46 | Kyoto University, Japan | 72 (2.17%) | 1545 | 21 |
10 | Switzerland | 147 (4.44%) | 5845 | 40 | Duke University, USA | 66 (1.99%) | 9728 | 48 |
Rank | Productive Author (Affiliate) | N (%) | Citations | h-Index | Co-Cited Author (Affiliate) | Co-Citations |
---|---|---|---|---|---|---|
1 | Leuschner C (University of Göttingen, Germany) | 67 (2.02%) | 2902 | 31 | Vogt KA (University of Washington, USA) | 1312 |
2 | Hertel D (University of Göttingen, Germany) | 59 (1.78%) | 2557 | 30 | Pregitzer KS (University of Idaho, USA) | 1194 |
3 | Pregitzer KS (University of Idaho, USA) | 53 (1.60%) | 6365 | 40 | Jackson RB. (Stanford University, USA) | 788 |
4 | Fahey TJ (Cornell University, USA) | 49 (1.48%) | 3816 | 29 | Norby RJ (Oak Ridge National Laboratory, USA) | 762 |
5 | Helmisaari HS (University of Helsinki, Finland) | 36 (1.08%) | 1983 | 25 | Eissenstat DM (Pennsylvania State University, USA) | 757 |
6 | Chen HYH (Lakehead University, Canada) | 35(1.05%) | 1600 | 20 | Hendrick RL (Ohio State University, USA) | 691 |
7 | Zak DR (University of Michigan, USA) | 35(1.05%) | 3098 | 26 | Nadelhoffer KJ (University of Michigan, USA) | 690 |
8 | Brunner I (Swiss Federal Institute for Forest, Switzerland) | 33 (0.99%) | 1264 | 17 | Vitousek PM (Stanford University, USA) | 645 |
9 | Jourdan C (Universite de Montpellier, France) | 33 (0.99%) | 1113 | 20 | Reich PB (University of Minnesota System, USA) | 640 |
10 | Norby RJ(Oak Ridge National Laboratory, USA) | 33 (0.99%) | 4676 | 28 | Raich JW (Lowa State University, USA) | 635 |
Rank | Cited Publications | Citations | Co-Cited Publications | Co-Citations | Local Citation Score Publications | LCS | GCS |
---|---|---|---|---|---|---|---|
1 | A global analysis of root distributions for terrestrial biomes (Jackson RB, 1996, Oecologia) | 1706 | A global budget for fine root biomass, surface area, and nutrient contents (Jackson RB, 1997, P Natl Acad Sci USA) | 389 | A global budget for fine root biomass, surface area, and nutrient contents (Jackson RB, 1997, P Natl Acad Sci USA) | 384 | 891 |
2 | Soil water content and temperature as independent or confounded factors controlling soil respiration in a temperate mixed hardwood forest (Davidson EA, 1998, Glob Change Biol) | 1289 | Fine root architecture of nine North American trees (Pregitzer KS, 2002, Ecol Monogr) | 310 | Global patterns of root turnover for terrestrial ecosystems (Gill RA, 2000, New Phytol) | 299 | 733 |
3 | The world-wide ‘fast-slow’ plant economics spectrum: a traits manifesto (Reich PB, 2014, J Ecol) | 1145 | Global patterns of root turnover for terrestrial ecosystems (Gill RA, 2000, New Phytol) | 301 | The ecology of root lifespan (Eissenstat DM, 1997, Adv Ecol Res) | 227 | 550 |
4 | A global budget for fine root biomass, surface area, and nutrient contents (Jackson RB, 1997, P Natl Acad Sci USA) | 891 | Review of root dynamics in forest ecosystems grouped by climate, climatic forest type and species (Vogt KA, 1996, Plant Soil) | 257 | Fine root production estimates and belowground carbon allocation in forest ecosystems (Nadelhoffer KJ, 1992, Ecology) | 205 | 337 |
5 | Deep soil organic matter-a key but poorly understood component of terrestrial C cycle (Rumpel C, 2011, Plant Soil) | 757 | The role of fine roots in the organic matter and nitrogen budgets of two forested ecosystems (McClaugherty CA, 1982, Ecology) | 240 | The demography of fine roots in a northern hardwood forest (Hendrick RL, 1992, Ecology) | 190 | 315 |
6 | Root biomass allocation in the world’s upland forests (Cairns MA, 1997, Oecologia) | 744 | The ecology of root lifespan (Eissenstat DM, 1997, Adv Ecol Res) | 229 | The dynamics of fine root length, biomass, and nitrogen content in two northern hardwood ecosystems (Hendrick RL, 1993, Can J For Res) | 179 | 285 |
7 | Neotropical secondary forest succession: changes in structural and functional characteristics (Guariguata MR, 2001, Forest Ecol Manag) | 739 | Production, turnover, and nutrient dynamics of above-and belowground detritus of world forests (Vogt KA, 1986, Adv Ecol Res) | 220 | A global analysis of root distributions for terrestrial biomes (Jackson RB, 1996, Oecologia) | 177 | 1706 |
8 | Global patterns of root turnover for terrestrial ecosystems (Gill RA, 2000, New Phytol) | 733 | Fine root production estimates and belowground carbon allocation in forest ecosystems (Nadelhoffer KJ, 1992, Ecology) | 206 | Global patterns in root decomposition: comparisons of climate and litter quality effects (Silver WL, 2001, Oecologia) | 166 | 528 |
9 | Global-scale similarities in nitrogen release patterns during long-term decomposition (Parton W, 2007, Science) | 702 | Large-scale forest girdling shows that current photosynthesis drives soil respiration (Hogberg P, 2001, Nature) | 197 | Assessing the patterns and controls of fine root dynamics: an empirical test and methodological review (Hendricks JJ, 2006, J Ecol) | 162 | 251 |
10 | Productivity overshadows temperature in determining soil and ecosystem respiration across European forests (Janssens IA, 2001, Glob Change Biol) | 690 | The demography of fine roots in a northern hardwood forest (Hendrick RL, 1992, Ecology) | 191 | Fine root dynamics in a northern hardwood forest ecosystem, Hubbard Brook Experimental Forest, NH (Fahey TJ, 1994, J Ecol) | 158 | 250 |
Rank | Journal Name | N (%) | h-Index | Citation | Impact Factor (2019) |
---|---|---|---|---|---|
1 | Plant and Soil | 321 (9.70%) | 50 | 9866 | 3.299 |
2 | Forest Ecology and Management | 304 (9.18%) | 60 | 12,820 | 3.17 |
3 | Soil Biology Biochemistry | 123 (3.72%) | 40 | 4598 | 5.795 |
4 | Global Change Biology | 122 (3.70%) | 60 | 13,499 | 8.512 |
5 | New Phytologist | 121 (3.66%) | 56 | 10,610 | 8.555 |
6 | Tree Physiology | 119 (3.60%) | 43 | 6186 | 3.655 |
7 | Oecologia | 85 (2.60%) | 45 | 8539 | 2.654 |
8 | Forests | 78 (2.36%) | 10 | 586 | 2.221 |
9 | Ecosystems | 76 (2.30%) | 34 | 3679 | 4.207 |
10 | Canadian Journal of Forest Research | 72 (2.18%) | 30 | 2329 | 1.812 |
Rank | Author Keywords | Occurrences | Keywords Plus | Occurrences |
---|---|---|---|---|
1 | fine roots | 336 | dynamics | 637 |
2 | soil respiration | 178 | growth | 556 |
3 | nitrogen | 157 | forest | 491 |
4 | fine root | 127 | biomass | 480 |
5 | decomposition | 109 | nitrogen | 439 |
6 | fine root biomass | 106 | fine roots | 427 |
7 | biomass | 97 | carbon | 353 |
8 | climate change | 95 | organic-matter | 331 |
9 | minirhizotron | 87 | turnover | 327 |
10 | picea abies | 86 | soil | 314 |
11 | carbon | 78 | ecosystems | 282 |
12 | root biomass | 76 | norway spruce | 254 |
13 | phosphorus | 68 | patterns | 220 |
14 | drought | 63 | responses | 205 |
15 | production | 63 | decomposition | 201 |
16 | roots | 63 | respiration | 185 |
17 | soil carbon | 63 | net primary production | 177 |
18 | carbon sequestration | 62 | fine-root | 175 |
19 | carbon allocation | 60 | litter decomposition | 161 |
20 | specific root length | 60 | productivity | 160 |
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Huang, L.; Xia, Z.; Cao, Y. A Bibliometric Analysis of Global Fine Roots Research in Forest Ecosystems during 1992–2020. Forests 2022, 13, 93. https://doi.org/10.3390/f13010093
Huang L, Xia Z, Cao Y. A Bibliometric Analysis of Global Fine Roots Research in Forest Ecosystems during 1992–2020. Forests. 2022; 13(1):93. https://doi.org/10.3390/f13010093
Chicago/Turabian StyleHuang, Linjia, Ziqian Xia, and Yang Cao. 2022. "A Bibliometric Analysis of Global Fine Roots Research in Forest Ecosystems during 1992–2020" Forests 13, no. 1: 93. https://doi.org/10.3390/f13010093
APA StyleHuang, L., Xia, Z., & Cao, Y. (2022). A Bibliometric Analysis of Global Fine Roots Research in Forest Ecosystems during 1992–2020. Forests, 13(1), 93. https://doi.org/10.3390/f13010093