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更为合理地排名2014年生态学和保护学期刊

已有 9085 次阅读 2014-8-2 10:52 |个人分类:学术|系统分类:科研笔记| impact, factor, 2014, 影响引子, Thomson-Reuters

通常我会每年总结保护生物学期刊的Thomson-Reuters ISI Web of Knowledge 影响因子报告, 同时简要地对其他偶尔刊发与保护生物学相关文章的期刊进行点评 (详见我之前对 2008, 2009, 2010, 20112012 年的影响因子分析)。

虽然Thomson-Reuters公司应允今年会予以修正并提高影响因子计算过程的透明度,但是影响因子这个评价指标还是让人普遍感觉较为差劲。面对Thomson-Reuters遮遮掩掩的行为,今年我于是做了点与往年不同的分析。虽然前几日2013年的影响因子报告刚刚出炉(不知道为啥,今年公布得特别迟),我将把Thomson-Reuters的影响因子与日渐可信的Google Scholar Journal Metrics进行比较。对于Google Scholar期刊指数,我直觉上认为它们更可靠,更透明。

除了同时提供Google指数和影响因子排名外,我还对这两套系统进行了整合(平均)分析。我感觉实际上,整合后的排名会比校正后的原始引文指数更有用,因为你必须明确地把你所感兴趣的那些期刊放在一起进行对比评价。我同时进一步通过引入惩罚项(penalty term)对平均后的排名进行修正。其实本质上,惩罚项是两套系统间排名差异的变异系数(coefficient of variation)

请继续阅读以看下述分析结果。

至少对于我而言,Google Scholar 期刊指数是一种更为直接和透明的期刊评价体系。Google指数也与我个人对各个期刊的主观评价较为吻合。虽然Google期刊指数有特定的子学科类别排名 (比如 Biodiversity & Conservation Biology, Ecology, 和 Marine Science & Fisheries等子学科类别),但是Google指数只排名子科学类别中的前20个期刊,并且没有很好地提供学科间的比较。换言之,你不得不自己手动查找特定的期刊。

因此,我合并分析了多个子学科和其他跨学科的期刊,以此给保护生态学家们提供一点有关保护学期刊的排名指南。下面的表格列出了75个生态学或保护生物学相关的期刊,以及一些我认为涵盖这两学科的具有较大影响力的综合期刊。我不认为这个名单是完整的,而且我几乎确信这个名单会受到我个人文章发表经历的影响。不过我想,如果你也是从事生态或保护生物学的研究人员,这个名单应该已经列出了大多数你愿意投稿的常见期刊了。

第一列是Google期刊的h5指数 (h5指数表示过去的5年间,即在2009至2013年间,某一期刊有h篇文章至少每篇都被引用了h次)。第二列是今年的ISI影响因子(跟去年的影响因子进行对照):

Google期刊的h5指数

ISI影响因子
  1. Nature 355

  2. Science 311

  3. P Natl Acad Sci USA 217

  4. PLoS One 148

  5. PLoS Biology 96

  6. Current Biology 96

  7. Phil Trans R Soc B 95

  8. Trends in Ecology & Evolution 86

  9. Ecology Letters 83

  10. Global Change Biology 83

  11. P Roy Soc B 79

  12. Science of the Total Environment 74

  13. Molecular Ecology 71

  14. Ecology 68

  15. Biological Conservation 60

  16. Conservation Biology 58

  17. Ecological Applications 56

  18. Journal of Applied Ecology 56

  19. Frontiers Ecol Environ 56

  20. Molecular Ecology Resources 55

  21. Nature Climate Change 54

  22. Forest Ecology & Management 53

  23. BioScience 51

  24. Functional Ecology 51

  25. Journal of Ecology 51

  26. Environ Model Software 51

  27. Journal of Animal Ecology 50

  28. Journal of Biogeography 49

  29. Marine Ecology Progress Series 49

  30. Ecological Indicators 48

  31. Global Ecology and Biogeography 47

  32. Biology Letters 47

  33. Annu Rev Mar Sci 47

  34. Freshwater Biology 46

  35. Marine Pollution Bulletin 46

  36. Oecologia 46

  37. Diversity and Distributions 45

  38. Ann Rev Ecol Evol Syst 45

  39. Oikos 44

  40. Ecography 43

  41. Limnology & Oceanography 43

  42. Biological Invasions 41

  43. Global & Planetary Change 41

  44. Hydrobiologia 39

  45. Landscape Ecology 38

  46. Biodiversity and Conservation 37

  47. Ecological Monographs 37

  48. Conservation Letters 36

  49. J Exp Mar Biol Ecol 36

  50. Coral Reefs 36

  51. Fish & Fisheries 35

  52. Marine Biology 34

  53. Methods in Ecology & Evolution 33

  54. Journal of Vegetation Science 32

  55. Journal of Wildlife Management 32

  56. Ambio 32

  57. Restoration Ecology 31

  58. Basic and Applied Ecology 30

  59. Biotropica 28

  60. Plant Ecology 28

  61. Animal Conservation 28

  62. Conservation Genetics 28

  63. Austral Ecology 24

  64. Environmental Conservation 24

  65. Aquat Conserv: Mar Freshw Ecosyst 24

  66. Oryx 24

  67. Wildlife Research 22

  68. Endangered Species Research 21

  69. Ecosphere 21

  70. Journal of Insect Conservation 21

  71. Journal for Nature Conservation 18

  72. Insect Conservation & Diversity 18

  73. Bird Conservation International 14

  74. Ecology & Evolution 14

  75. Tropical Conservation Science 13

  1. Nature 42.351 ↑ from 38.597

  2. Science 31.477 ↑ from 31.027

  3. Annu Rev Mar Sci 16.381 ↑ from 14.368

  4. Trends in Ecology & Evolution 15.353 ↓ from 15.389

  5. Nature Climate Change 15.295 ↑ from 14.472

  6. Ecology Letters 13.042 ↓ from 17.949

  7. PLoS Biology 11.771 ↓ from 12.690

  8. Ann Rev Ecol Evol Syst 10.977 ↑ from 10.375

  9. Current Biology 9.916 ↑ from 9.494

  10. P Natl Acad Sci USA 9.809 ↑ from 9.737

  11. Fish & Fisheries 8.755 ↑ from 5.855

  12. Frontiers Ecol Environ 8.412 ↑ from 7.615

  13. Global Change Biology 8.224 ↑ from 6.910

  14. Global Ecology and Biogeography 7.242 ↑ from 7.223

  15. Ecological Monographs 7.107 ↓ from 8.085

  16. Phil Trans R Soc B 6.314 ↑ from 6.230

  17. Molecular Ecology 5.840 ↓ from 6.275

  18. Journal of Ecology 5.694 ↑ from 5.431

  19. Molecular Ecology Resources 5.626 ↓ from 7.432

  20. Diversity and Distributions 5.469 ↓ from 6.122

  21. BioScience 5.439 ↑ from 4.739

  22. Methods in Ecology & Evolution 5.322 ↓ from 5.924

  23. P Roy Soc B 5.292 ↓ from 5.683

  24. Conservation Letters 5.032 ↑ from 4.356

  25. Ecology 5.000 ↓ from 5.175

  26. Journal of Biogeography 4.969 ↑ from 4.863

  27. Functional Ecology 4.857 ↓ from 4.860

  28. Journal of Applied Ecology 4.754 ↑ from 4.740

  29. Journal of Animal Ecology 4.726 ↓ from 4.841

  30. Environ Model Software 4.538 ↑ from 3.608

  31. Conservation Biology 4.320 ↓ from 4.355

  32. Ecography 4.207 ↓ from 5.124

  33. Ecological Applications 4.126 ↑ from 3.815

  34. Biological Conservation 4.036 ↑ from 3.794

  35. Global & Planetary Change 3.707 ↑ from 3.155

  36. Coral Reefs 3.623 ↓ from 3.662

  37. Limnology & Oceanography 3.615 ↑ from 3.405

  38. Landscape Ecology 3.574 ↑ from 2.897

  39. Oikos 3.559 ↑ from 3.322

  40. PLoS One 3.534 ↓ from 3.730

  41. Biology Letters 3.425 ↑ from 3.348

  42. Journal of Vegetation Science 3.372 ↑ from 2.818

  43. Oecologia 3.248 ↑ from 3.011

  44. Ecological Indicators 3.230 ↑ from 2.890

  45. Science of the Total Environment 3.163 ↓ from 3.258

  46. Ambio 2.973 ↑ from 2.295

  47. Freshwater Biology 2.905 ↓ from 3.933

  48. Marine Pollution Bulletin 2.793 ↑ from 2.531

  49. Biological Invasions 2.716 ↑ from 2.509

  50. Forest Ecology & Management 2.667 ↓ from 2.766

  51. Marine Ecology Progress Series 2.640 ↑ from 2.546

  52. Ecosphere 2.595 (1st IF)

  53. Animal Conservation 2.524 ↓ from 2.692

  54. J Exp Mar Biol Ecol 2.475 ↑ from 2.263

  55. Marine Biology 2.393 ↓ from 2.468

  56. Basic and Applied Ecology 2.389 ↓ from 2.696

  57. Environmental Conservation 2.320 ↓ from 2.341

  58. Hydrobiologia 2.212 ↑ from 1.985

  59. Biotropica 2.082 ↓ from 2.351

  60. Biodiversity and Conservation 2.065 ↓ from 2.264

  61. Restoration Ecology 1.991 ↑ from 1.934

  62. Insect Conservation & Diversity 1.937 from 1.937

  63. Oryx 1.914 ↑ from 1.624

  64. Conservation Genetics 1.846 ↓ from 2.183

  65. Journal for Nature Conservation 1.833 ↑ from 1.535

  66. Journal of Insect Conservation 1.789 ↓ from 1.801

  67. Aq Conserv: Mar Freshw Ecosyst 1.756 ↓ from 1.917

  68. Austral Ecology 1.724 ↓ from 1.738

  69. Ecology & Evolution 1.658 ↑ from 1.184

  70. Plant Ecology 1.640 ↑ from 1.534

  71. Journal of Wildlife Management 1.611 ↓ from 1.640

  72. Bird Conservation International 1.554 ↑ from 1.074

  73. Tropical Conservation Science 1.329 ↑ from 1.092

  74. Wildlife Research 1.194 ↓ from 1.381

  75. Endangered Species Research (not listed)

当然,这里如果纯粹看期刊的排名是有问题的。因为对你而言,你不会把一篇有关动物的文章投到跟植物学相关的期刊上,也不会把一篇有关植物保护或生态学的文章投稿研究昆虫的期刊上。但是总体而言,你若打算寻找一个较好的目标期刊,这个排名对你应该会有所助益。

这排名有几点值得注意。Google排名的列表其实跟影响因子的排名相当不同。比如说,PLoS One的影响因子是3.534 – 虽然不怎么高,却还过得去,但是Google的h5指数却直接窜到148,占据了所列75个期刊的第四把交椅,甚至比PLoS BiologyCurrent BiologyTrends in Ecology and EvolutionEcology Letters)还高!这可能跟PLoS One的开放获取(open access)有关吧。

另一个反常的排名是Nature Climate Change:影响因子达到15.295,但在Google排名中却只排在第21位。对于保护生物学领域的期刊,按照Google的排名,Biological Conservation 打败了Conservation Biology。若按照影响因子的排名,Conservation Letters 成了大赢家 (尾随其后的是 Conservation BiologyBiological Conservation).

总体而言,这个列表中大多数期刊 (57%) 的影响因子比去年上涨,但这并不表示 各个期刊的影响因子会随时间稳步上升。不过,Ecology Letters今年却降的非常厉害,从2012年的17.949分直接跌到今年的13.042。

如上述所言,我接下来将要简要计算两个排名系统的均值 (第一列)。我同时对两个系统中差异极大的期刊添加了惩罚项以进行修正。这里我在平均排名的基础上加上了排名的变异系数 (rank SD/mean rank) (第二列)。因此,那些两个系统中排名几乎相同的期刊的惩罚项将为零,而那些差异极大的期刊将会在排名中上下浮动。

平均排名

平均排名 + 变异系数
  1. Nature 1

  2. Science 2

  3. PLoS Biology 6

  4. Trends in Ecology & Evolution 6

  5. P Natl Acad Sci USA 6.5

  6. Current Biology 7.5

  7. Ecology Letters 7.5

  8. Phil Trans R Soc B 11.5

  9. Global Change Biology 11.5

  10. Nature Climate Change 13

  11. Molecular Ecology 15

  12. Frontiers Ecol Environ 15.5

  13. P Roy Soc B 17

  14. Annu Rev Mar Sci 18

  15. Ecology 19.5

  16. Molecular Ecology Resources 19.5

  17. Journal of Ecology 21.5

  18. PLoS One 22

  19. BioScience 22

  20. Global Ecology and Biogeography 22.5

  21. Journal of Applied Ecology 23

  22. Ann Rev Ecol Evol Syst 23

  23. Conservation Biology 23.5

  24. Biological Conservation 24.5

  25. Ecological Applications 25

  26. Functional Ecology 25.5

  27. Journal of Biogeography 27

  28. Environ Model Software 28

  29. Journal of Animal Ecology 28

  30. Science of the Total Environment 28.5

  31. Diversity and Distributions 28.5

  32. Ecological Monographs 31

  33. Fish & Fisheries 31

  34. Forest Ecology & Management 36

  35. Ecography 36

  36. Conservation Letters 36

  37. Biology Letters 36.5

  38. Ecological Indicators 37

  39. Methods in Ecology & Evolution 37.5

  40. Oikos 39

  41. Limnology & Oceanography 39

  42. Global & Planetary Change 39

  43. Oecologia 39.5

  44. Marine Ecology Progress Series 40

  45. Freshwater Biology 40.5

  46. Marine Pollution Bulletin 41.5

  47. Landscape Ecology 41.5

  48. Coral Reefs 43

  49. Biological Invasions 45.5

  50. Journal of Vegetation Science 48

  51. Hydrobiologia 51

  52. Ambio 51

  53. J Exp Mar Biol Ecol 51.5

  54. Biodiversity and Conservation 53

  55. Marine Biology 53.5

  56. Basic and Applied Ecology 57

  57. Animal Conservation 57

  58. Restoration Ecology 59

  59. Biotropica 59

  60. Environmental Conservation 60.5

  61. Ecosphere 60.5

  62. Journal of Wildlife Management 63

  63. Conservation Genetics 63

  64. Oryx 64.5

  65. Plant Ecology 65

  66. Austral Ecology 65.5

  67. Aquat Conserv: Mar Freshw Ecosyst 66

  68. Insect Conservation & Diversity 67

  69. Journal of Insect Conservation 68

  70. Journal for Nature Conservation 68

  71. Wildlife Research 70.5

  72. Ecology & Evolution 71.5

  73. Bird Conservation International 72.5

  74. Tropical Conservation Science 74

  75. Endangered Species Research -

  1. Nature 1.000

  2. Science 2.000

  3. PLoS Biology 6.236

  4. Trends in Ecology & Evolution 6.471

  5. P Natl Acad Sci USA 7.261

  6. Current Biology 7.783

  7. Ecology Letters 7.783

  8. Global Change Biology 11.684

  9. Phil Trans R Soc B 12.053

  10. Nature Climate Change 13.870

  11. Molecular Ecology 15.189

  12. Frontiers Ecol Environ 15.819

  13. P Roy Soc B 17.499

  14. Annu Rev Mar Sci 19.179

  15. Molecular Ecology Resources 19.536

  16. Ecology 19.899

  17. Journal of Ecology 21.730

  18. BioScience 22.064

  19. Global Ecology and Biogeography 23.034

  20. PLoS One 23.157

  21. Journal of Applied Ecology 23.307

  22. Ann Rev Ecol Evol Syst 23.922

  23. Conservation Biology 23.951

  24. Biological Conservation 25.048

  25. Ecological Applications 25.453

  26. Functional Ecology 25.583

  27. Journal of Biogeography 27.052

  28. Journal of Animal Ecology 28.051

  29. Environ Model Software 28.101

  30. Diversity and Distributions 28.922

  31. Science of the Total Environment 29.319

  32. Ecological Monographs 31.730

  33. Fish & Fisheries 31.912

  34. Ecography 36.157

  35. Conservation Letters 36.471

  36. Forest Ecology & Management 36.550

  37. Biology Letters 36.674

  38. Ecological Indicators 37.268

  39. Methods in Ecology & Evolution 38.085

  40. Oikos 39.000

  41. Limnology & Oceanography 39.073

  42. Global & Planetary Change 39.145

  43. Oecologia 39.625

  44. Marine Ecology Progress Series 40.389

  45. Freshwater Biology 40.727

  46. Landscape Ecology 41.619

  47. Marine Pollution Bulletin 41.722

  48. Coral Reefs 43.230

  49. Biological Invasions 45.609

  50. Journal of Vegetation Science 48.177

  51. Ambio 51.139

  52. Hydrobiologia 51.194

  53. J Exp Mar Biol Ecol 51.569

  54. Biodiversity and Conservation 53.187

  55. Marine Biology 53.540

  56. Basic and Applied Ecology 57.025

  57. Animal Conservation 57.099

  58. Biotropica 59.000

  59. Restoration Ecology 59.048

  60. Environmental Conservation 60.582

  61. Ecosphere 60.699

  62. Conservation Genetics 63.022

  63. Journal of Wildlife Management 63.180

  64. Oryx 64.533

  65. Plant Ecology 65.109

  66. Austral Ecology 65.554

  67. Aquat Conserv: Mar Freshw Ecosyst 66.021

  68. Insect Conservation & Diversity 67.106

  69. Journal of Insect Conservation 68.042

  70. Journal for Nature Conservation 68.062

  71. Wildlife Research 70.570

  72. Ecology & Evolution 71.549

  73. Bird Conservation International 72.510

  74. Tropical Conservation Science 74.019

  75. Endangered Species Research -

请注意:如果你主要关心保护生物学方面的期刊,我已经对这两个列表中的这些期刊名字进行加粗。实际的结果是 Conservation BiologyBiological Conservation 两个期刊的排名几乎一样 (高于 Conservation Letters),而如果你认为 Frontiers in Ecology and the Environment 也是保护生物学期刊的话,它的排名是最高的。

最后,有人认为 5年的影响因子会比2年的影响因子更能合理地反应期刊的质量。对此观点,我笑而不语。于是基于5年的影响因子,我重新计算了一遍。结果跟之前的差不多:

平均排名

(Google指数 + 5年影响因子)

  1. Nature 1

  2. Science 2

  3. P Natl Acad Sci USA 6

  4. Trends in Ecology & Evolution 6

  5. PLoS Biology 6.5

  6. Ecology Letters 7

  7. Current Biology 8.5

  8. Phil Trans R Soc B 11

  9. Global Change Biology 11.5

  10. Nature Climate Change 14

  11. Frontiers Ecol Environ 14.5

  12. Molecular Ecology 16

  13. P Roy Soc B 17

  14. Ecology 17.5

  15. Annu Rev Mar Sci 19.5

  16. Journal of Applied Ecology 20

  17. BioScience 20

  18. Ann Rev Ecol Evol Syst 20.5

  19. PLoS One 21.5

  20. Conservation Biology 21.5

  21. Journal of Ecology 22.5

  22. Biological Conservation 23.5

  23. Ecological Applications 23.5

  24. Global Ecology and Biogeography 23.5

  25. Science of the Total Environment 26.5

  26. Functional Ecology 26.5

  27. Journal of Animal Ecology 26.5

  28. Molecular Ecology Resources 27

  29. Journal of Biogeography 29.5

  30. Ecological Monographs 29.5

  31. Environ Model Software 31

  32. Diversity and Distributions 31

  33. Ecography 32

  34. Fish & Fisheries 32.5

  35. Methods in Ecology & Evolution 35.5

  36. Forest Ecology & Management 36

  37. Biology Letters 37

  38. Ecological Indicators 38

  39. Limnology & Oceanography 38

  40. Global & Planetary Change 38

  41. Conservation Letters 38

  42. Marine Ecology Progress Series 38.5

  43. Freshwater Biology 38.5

  44. Oikos 39.5

  45. Oecologia 40

  46. Landscape Ecology 41.5

  47. Marine Pollution Bulletin 42

  48. Coral Reefs 43.5

  49. Biological Invasions 46.5

  50. Journal of Vegetation Science 49.5

  51. Biodiversity and Conservation 51

  52. Hydrobiologia 52

  53. J Exp Mar Biol Ecol 53.5

  54. Animal Conservation 54

  55. Marine Biology 54.5

  56. Ambio 54.5

  57. Basic and Applied Ecology 55

  58. Restoration Ecology 59

  59. Biotropica 59

  60. Environmental Conservation 59

  61. Journal of Wildlife Management 61

  62. Ecosphere 62

  63. Plant Ecology 63

  64. Aquat Conserv: Mar Freshw Ecosyst 63.5

  65. Oryx 64.5

  66. Conservation Genetics 66

  67. Austral Ecology 66

  68. Journal for Nature Conservation 67.5

  69. Insect Conservation & Diversity 68.5

  70. Journal of Insect Conservation 69

  71. Wildlife Research 69.5

  72. Ecology & Evolution 72.5

  73. Bird Conservation International 73

  74. Tropical Conservation Science 74.5

  75. Endangered Species Research -

我确信我可能忽略了一些人所钟爱的部分期刊,但是我认为我的方法可以对你所感兴趣的任何子学科或期刊进行对比分析。让我感到高兴的是,现在我们将没必要仅仅依赖于影响因子来决定往哪个期刊投稿了。

译文原文链接:http://sixf.org/cn/2014/08/google-scholar-journal-matrix-and-impact-factor

英文原文链接:http://conservationbytes.com/2014/08/01/a-fairer-way-to-rank-conservation-and-ecology-journals-in-2014/



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