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更为合理地排名2014年生态学和保护学期刊
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|个人分类:|系统分类:|关键词:影响引子,impact factor,2014,Thomson-Reuters,ISI,Google Scholar Journal Metrics
通常我会每年总结保护生物学期刊的Thomson-Reuters ISI
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 , , ,
年的影响因子分析)。虽然Thomson-Reuters公司应允今年会予以,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,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 , , 和 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 355 311 217 148 96 96 95 86 83 83 79 74&71 68 60 58 56 56 56 55 54 53 51 51 51 51 50 49 49 48 47 47 47 46 46 46 45 45 44 43 43 41 41 39 38 37 37 36 36 36 35 34 33 32 32 32 31 30 28 28 28 28 24 24 24 24 22 21 21 21 18 18 14 14 13 42.351 ↑ from 38.597 31.477 ↑ from 31.027 16.381 ↑ from 14.368 15.353 ↓ from 15.389 15.295 ↑ from 14.472 13.042 ↓ from 17.949 11.771 ↓ from 12.690 10.977 ↑ from 10.375 9.916 ↑ from 9.494 9.809 ↑ from 9.737 8.755 ↑ from 5.855 8.412 ↑ from 7.615 8.224 ↑ from 6.910 7.242 ↑ from 7.223 7.107 ↓ from 8.085 6.314 ↑ from 6.230 5.840 ↓ from 6.275 5.694 ↑ from 5.431 5.626 ↓ from 7.432 5.469 ↓ from 6.122 5.439 ↑ from 4.739 5.322 ↓ from 5.924 5.292 ↓ from 5.683 5.032 ↑ from 4.356 5.000 ↓ from 5.175 4.969 ↑ from 4.863 4.857 ↓ from 4.860 4.754 ↑ from 4.740 4.726 ↓ from 4.841 4.538 ↑ from 3.608 4.320 ↓ from 4.355 4.207 ↓ from 5.124&4.126 ↑ from 3.815 4.036 ↑ from 3.794 3.707 ↑ from 3.155 3.623 ↓ from 3.662 3.615 ↑ from 3.405 3.574 ↑ from 2.897 3.559 ↑ from 3.322 3.534 ↓ from 3.730 3.425 ↑ from 3.348 3.372 ↑ from 2.818 3.248 ↑ from 3.011 3.230 ↑ from 2.890 3.163 ↓ from 3.258 2.973 ↑ from 2.295 2.905 ↓ from 3.933 2.793 ↑ from 2.531 2.716 ↑ from 2.509 2.667 ↓ from 2.766 2.640 ↑ from 2.546 2.595 (1st IF) 2.524 ↓ from 2.692 2.475 ↑ from 2.263 2.393 ↓ from 2.468 2.389 ↓ from 2.696 2.320 ↓ from 2.341 2.212 ↑ from 1.985 2.082 ↓ from 2.351 2.065 ↓ from 2.264 1.991 ↑ from 1.934 1.937 from 1.937 1.914 ↑ from 1.624 1.846 ↓ from 2.183 1.833 ↑ from 1.535 1.789 ↓ from 1.801 1.756 ↓ from 1.917 1.724 ↓ from 1.738 1.658 ↑ from 1.184 1.640 ↑ from 1.534 1.611 ↓ from 1.640 1.554 ↑ from 1.074 1.329 ↑ from 1.092 1.194 ↓ from 1.381 (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,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、、 和 )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: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, 打败了。若按照影响因子的排名, 成了大赢家 (尾随其后的是
和 ).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 。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Nature 1Science 2PLoS Biology 6Trends in Ecology & Evolution 6P Natl Acad Sci USA 6.5Current Biology 7.5Ecology Letters 7.5Phil Trans R Soc B 11.5Global Change Biology 11.5Nature Climate Change 13Molecular Ecology 15Frontiers Ecol Environ 15.5P Roy Soc B 17Annu Rev Mar Sci 18Ecology 19.5Molecular Ecology Resources 19.5Journal of Ecology 21.5PLoS One 22BioScience 22Global Ecology and Biogeography 22.5Journal of Applied Ecology 23Ann Rev Ecol Evol Syst 23Conservation&Biology 23.5Biological Conservation 24.5Ecological Applications 25Functional Ecology 25.5Journal of Biogeography 27Environ Model Software 28Journal of Animal Ecology 28Science of the Total Environment 28.5Diversity and Distributions 28.5Ecological Monographs 31Fish & Fisheries 31Forest Ecology & Management 36Ecography 36Conservation Letters 36Biology Letters 36.5Ecological Indicators 37Methods in Ecology & Evolution 37.5Oikos 39Limnology & Oceanography 39Global & Planetary Change 39Oecologia 39.5Marine Ecology Progress Series 40Freshwater Biology 40.5Marine Pollution Bulletin 41.5Landscape Ecology 41.5Coral Reefs 43Biological Invasions 45.5Journal of Vegetation Science 48Hydrobiologia 51Ambio 51J Exp Mar Biol Ecol 51.5Biodiversity and Conservation 53Marine Biology 53.5Basic and Applied Ecology 57Animal Conservation 57Restoration Ecology 59Biotropica 59Environmental Conservation 60.5Ecosphere 60.5Journal of Wildlife Management 63Conservation Genetics 63Oryx 64.5Plant Ecology 65Austral Ecology 65.5Aquat Conserv: Mar Freshw Ecosyst 66Insect Conservation & Diversity 67Journal of Insect Conservation&68Journal for Nature Conservation 68Wildlife Research 70.5Ecology & Evolution 71.5Bird Conservation International&72.5Tropical Conservation Science 74Endangered Species Research -Nature 1.000Science 2.000PLoS Biology 6.236Trends in Ecology & Evolution 6.471P Natl Acad Sci USA 7.261Current Biology 7.783Ecology Letters 7.783Global Change Biology 11.684Phil Trans R Soc B 12.053Nature Climate Change 13.870Molecular Ecology 15.189Frontiers Ecol Environ 15.819P Roy Soc B 17.499Annu Rev Mar Sci 19.179Molecular Ecology Resources 19.536Ecology 19.899Journal of Ecology 21.730BioScience 22.064Global Ecology and Biogeography 23.034PLoS One 23.157Journal of Applied Ecology 23.307Ann Rev Ecol Evol Syst 23.922Conservation Biology 23.951Biological Conservation 25.048Ecological Applications 25.453Functional Ecology 25.583Journal of Biogeography 27.052Journal of Animal Ecology 28.051Environ Model Software 28.101Diversity and Distributions 28.922Science of the Total Environment 29.319Ecological Monographs 31.730Fish & Fisheries 31.912Ecography 36.157Conservation Letters 36.471Forest Ecology & Management 36.550Biology Letters 36.674Ecological Indicators 37.268Methods in Ecology & Evolution 38.085Oikos 39.000Limnology & Oceanography 39.073Global & Planetary Change 39.145Oecologia 39.625Marine Ecology Progress Series 40.389Freshwater Biology 40.727Landscape Ecology 41.619Marine Pollution Bulletin 41.722Coral Reefs 43.230Biological Invasions 45.609Journal of Vegetation Science 48.177Ambio 51.139Hydrobiologia 51.194J Exp Mar Biol Ecol 51.569Biodiversity and Conservation 53.187Marine Biology 53.540Basic and Applied Ecology 57.025Animal Conservation 57.099Biotropica 59.000Restoration Ecology&59.048Environmental Conservation&60.582Ecosphere 60.699Conservation Genetics&63.022Journal of Wildlife Management 63.180Oryx 64.533Plant Ecology 65.109Austral Ecology 65.554Aquat Conserv: Mar Freshw Ecosyst 66.021Insect Conservation & Diversity 67.106Journal of Insect Conservation 68.042Journal for Nature Conservation 68.062Wildlife Research 70.570Ecology & Evolution 71.549Bird Conservation International&72.510Tropical Conservation Science 74.019Endangered 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 Biology 和 Biological 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, 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)Nature 1Science 2P Natl Acad Sci USA 6Trends in Ecology & Evolution 6PLoS Biology 6.5Ecology Letters 7Current Biology 8.5Phil Trans R Soc B 11Global Change Biology 11.5Nature Climate Change 14Frontiers Ecol Environ 14.5Molecular Ecology 16P Roy Soc B 17Ecology 17.5Annu Rev Mar Sci 19.5Journal of Applied Ecology 20BioScience 20Ann Rev Ecol Evol Syst 20.5PLoS One 21.5Conservation Biology 21.5Journal of Ecology 22.5Biological Conservation 23.5Ecological Applications 23.5Global Ecology and Biogeography 23.5Science of the Total Environment 26.5Functional Ecology 26.5Journal of Animal Ecology 26.5Molecular Ecology Resources 27Journal of Biogeography 29.5Ecological Monographs 29.5Environ Model Software 31Diversity and Distributions 31Ecography 32Fish & Fisheries 32.5Methods in Ecology & Evolution 35.5Forest Ecology & Management 36Biology Letters 37Ecological Indicators 38Limnology & Oceanography 38Global & Planetary Change 38Conservation Letters 38Marine Ecology Progress Series 38.5Freshwater Biology 38.5Oikos 39.5Oecologia 40Landscape Ecology 41.5Marine Pollution Bulletin 42Coral Reefs 43.5Biological Invasions 46.5Journal of Vegetation Science 49.5Biodiversity and Conservation 51Hydrobiologia 52J Exp Mar Biol Ecol 53.5Animal Conservation 54Marine Biology 54.5Ambio 54.5Basic and Applied Ecology 55Restoration Ecology 59Biotropica 59Environmental Conservation 59Journal of Wildlife Management 61Ecosphere 62Plant Ecology 63Aquat Conserv: Mar Freshw Ecosyst 63.5Oryx 64.5Conservation Genetics 66Austral Ecology 66Journal for Nature Conservation 67.5Insect Conservation & Diversity 68.5Journal of Insect Conservation 69Wildlife Research 69.5Ecology & Evolution 72.5Bird Conservation International 73Tropical Conservation Science 74.5Endangered 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,现在来决定往哪个期刊投稿了。译文原文链接:英文原文链接:
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