Scimago Journal & Country Rank

Alcheringa

Country

United Kingdom

Universities and research institutions in United Kingdom

Subject Area and Category

Publisher

Taylor and Francis Ltd.

H-Index

34

Publication type

Journals

ISSN

03115518, 17520754

Coverage

1975-2021

Information

Homepage

How to publish in this journal

Scope

Alcheringa : An Australasian Journal of Palaeontology is the official journal of the Australasian Palaeontologists. Alcheringa covers all aspects of palaeontology and its ramifications into the earth and biological sciences, including: Taxonomy- Biostratigraphy- Micropalaeontology- Vertebrate palaeontology- Palaeobotany- Palynology- Palaeobiology- Palaeoanatomy- Palaeoecology- Biostratinomy- Biogeography- Chronobiology- Biogeochemistry- Palichnology. Review articles are welcome, and may be solicited from time to time. Thematic issues are also possible. Emphasis is placed on high quality and informative illustration, in both line drawings and photographs. Papers of general significance may receive preference over those of more local interest. Join the conversation about this journal
Quartiles

The set of journals have been ranked according to their SJR and divided into four equal groups, four quartiles. Q1 (green) comprises the quarter of the journals with the highest values, Q2 (yellow) the second highest values, Q3 (orange) the third highest values and Q4 (red) the lowest values.

CategoryYearQuartile
Ecology, Evolution, Behavior and Systematics1999Q1
Ecology, Evolution, Behavior and Systematics2000Q2
Ecology, Evolution, Behavior and Systematics2001Q3
Ecology, Evolution, Behavior and Systematics2002Q4
Ecology, Evolution, Behavior and Systematics2003Q3
Ecology, Evolution, Behavior and Systematics2004Q3
Ecology, Evolution, Behavior and Systematics2005Q3
Ecology, Evolution, Behavior and Systematics2006Q3
Ecology, Evolution, Behavior and Systematics2007Q3
Ecology, Evolution, Behavior and Systematics2008Q3
Ecology, Evolution, Behavior and Systematics2009Q3
Ecology, Evolution, Behavior and Systematics2010Q2
Ecology, Evolution, Behavior and Systematics2011Q2
Ecology, Evolution, Behavior and Systematics2012Q2
Ecology, Evolution, Behavior and Systematics2013Q3
Ecology, Evolution, Behavior and Systematics2014Q2
Ecology, Evolution, Behavior and Systematics2015Q2
Ecology, Evolution, Behavior and Systematics2016Q2
Ecology, Evolution, Behavior and Systematics2017Q3
Ecology, Evolution, Behavior and Systematics2018Q3
Ecology, Evolution, Behavior and Systematics2019Q2
Ecology, Evolution, Behavior and Systematics2020Q3
Ecology, Evolution, Behavior and Systematics2021Q2
Paleontology1999Q1
Paleontology2000Q1
Paleontology2001Q2
Paleontology2002Q4
Paleontology2003Q3
Paleontology2004Q3
Paleontology2005Q3
Paleontology2006Q3
Paleontology2007Q3
Paleontology2008Q2
Paleontology2009Q2
Paleontology2010Q2
Paleontology2011Q2
Paleontology2012Q2
Paleontology2013Q2
Paleontology2014Q2
Paleontology2015Q2
Paleontology2016Q2
Paleontology2017Q2
Paleontology2018Q3
Paleontology2019Q2
Paleontology2020Q2
Paleontology2021Q2
SJR

The SJR is a size-independent prestige indicator that ranks journals by their 'average prestige per article'. It is based on the idea that 'all citations are not created equal'. SJR is a measure of scientific influence of journals that accounts for both the number of citations received by a journal and the importance or prestige of the journals where such citations come from It measures the scientific influence of the average article in a journal, it expresses how central to the global scientific discussion an average article of the journal is.

YearSJR
19991.196
20000.786
20010.486
20020.230
20030.419
20040.340
20050.486
20060.355
20070.318
20080.402
20090.580
20100.678
20110.623
20120.553
20130.492
20140.653
20150.727
20160.671
20170.496
20180.445
20190.734
20200.476
20210.542
Total Documents

Evolution of the number of published documents. All types of documents are considered, including citable and non citable documents.

YearDocuments
199923
200022
200132
200238
200326
200428
200521
200649
200723
200827
200922
201035
201137
201246
201351
201443
201546
201644
201746
201845
201943
202040
202133
Citations per document

This indicator counts the number of citations received by documents from a journal and divides them by the total number of documents published in that journal. The chart shows the evolution of the average number of times documents published in a journal in the past two, three and four years have been cited in the current year. The two years line is equivalent to journal impact factor ™ (Thomson Reuters) metric.

Cites per documentYearValue
Cites / Doc. (4 years)19990.984
Cites / Doc. (4 years)20000.837
Cites / Doc. (4 years)20010.598
Cites / Doc. (4 years)20020.440
Cites / Doc. (4 years)20030.530
Cites / Doc. (4 years)20040.619
Cites / Doc. (4 years)20050.516
Cites / Doc. (4 years)20060.681
Cites / Doc. (4 years)20070.548
Cites / Doc. (4 years)20080.545
Cites / Doc. (4 years)20090.958
Cites / Doc. (4 years)20101.248
Cites / Doc. (4 years)20110.953
Cites / Doc. (4 years)20121.240
Cites / Doc. (4 years)20131.007
Cites / Doc. (4 years)20141.172
Cites / Doc. (4 years)20151.266
Cites / Doc. (4 years)20161.441
Cites / Doc. (4 years)20171.071
Cites / Doc. (4 years)20181.112
Cites / Doc. (4 years)20191.204
Cites / Doc. (4 years)20201.258
Cites / Doc. (4 years)20211.420
Cites / Doc. (3 years)19990.984
Cites / Doc. (3 years)20000.871
Cites / Doc. (3 years)20010.632
Cites / Doc. (3 years)20020.299
Cites / Doc. (3 years)20030.576
Cites / Doc. (3 years)20040.542
Cites / Doc. (3 years)20050.522
Cites / Doc. (3 years)20060.600
Cites / Doc. (3 years)20070.510
Cites / Doc. (3 years)20080.473
Cites / Doc. (3 years)20090.949
Cites / Doc. (3 years)20101.264
Cites / Doc. (3 years)20111.060
Cites / Doc. (3 years)20121.191
Cites / Doc. (3 years)20131.000
Cites / Doc. (3 years)20141.119
Cites / Doc. (3 years)20151.386
Cites / Doc. (3 years)20161.500
Cites / Doc. (3 years)20170.947
Cites / Doc. (3 years)20181.066
Cites / Doc. (3 years)20191.326
Cites / Doc. (3 years)20201.172
Cites / Doc. (3 years)20211.453
Cites / Doc. (2 years)19990.809
Cites / Doc. (2 years)20000.870
Cites / Doc. (2 years)20010.489
Cites / Doc. (2 years)20020.296
Cites / Doc. (2 years)20030.514
Cites / Doc. (2 years)20040.359
Cites / Doc. (2 years)20050.481
Cites / Doc. (2 years)20060.735
Cites / Doc. (2 years)20070.400
Cites / Doc. (2 years)20080.528
Cites / Doc. (2 years)20091.060
Cites / Doc. (2 years)20101.551
Cites / Doc. (2 years)20111.070
Cites / Doc. (2 years)20121.306
Cites / Doc. (2 years)20130.867
Cites / Doc. (2 years)20141.155
Cites / Doc. (2 years)20151.287
Cites / Doc. (2 years)20161.393
Cites / Doc. (2 years)20170.978
Cites / Doc. (2 years)20181.100
Cites / Doc. (2 years)20191.187
Cites / Doc. (2 years)20201.239
Cites / Doc. (2 years)20211.289
Total Cites 
Self-Cites

Evolution of the total number of citations and journal's self-citations received by a journal's published documents during the three previous years.
Journal Self-citation is defined as the number of citation from a journal citing article to articles published by the same journal.

CitesYearValue
Self Cites199910
Self Cites20006
Self Cites20017
Self Cites20025
Self Cites20032
Self Cites20049
Self Cites20057
Self Cites20069
Self Cites20073
Self Cites20084
Self Cites200915
Self Cites201033
Self Cites201114
Self Cites201224
Self Cites201324
Self Cites201418
Self Cites201520
Self Cites201613
Self Cites201711
Self Cites201813
Self Cites201917
Self Cites202026
Self Cites202113
Total Cites199962
Total Cites200061
Total Cites200143
Total Cites200223
Total Cites200353
Total Cites200452
Total Cites200548
Total Cites200645
Total Cites200750
Total Cites200844
Total Cites200994
Total Cites201091
Total Cites201189
Total Cites2012112
Total Cites2013118
Total Cites2014150
Total Cites2015194
Total Cites2016210
Total Cites2017126
Total Cites2018145
Total Cites2019179
Total Cites2020157
Total Cites2021186
External Cites per Doc 
Cites per Doc

Evolution of the number of total citation per document and external citation per document (i.e. journal self-citations removed) received by a journal's published documents during the three previous years. External citations are calculated by subtracting the number of self-citations from the total number of citations received by the journal’s documents.

CitesYearValue
External Cites per document19990.825
External Cites per document20000.786
External Cites per document20010.529
External Cites per document20020.234
External Cites per document20030.554
External Cites per document20040.448
External Cites per document20050.446
External Cites per document20060.480
External Cites per document20070.480
External Cites per document20080.440
External Cites per document20090.823
External Cites per document20100.853
External Cites per document20110.915
External Cites per document20121.000
External Cites per document20130.839
External Cites per document20141.039
External Cites per document20151.270
External Cites per document20161.428
External Cites per document20170.878
External Cites per document20180.985
External Cites per document20191.246
External Cites per document20201.031
External Cites per document20211.430
Cites per document19990.984
Cites per document20000.871
Cites per document20010.632
Cites per document20020.299
Cites per document20030.576
Cites per document20040.542
Cites per document20050.522
Cites per document20060.600
Cites per document20070.510
Cites per document20080.473
Cites per document20090.949
Cites per document20101.264
Cites per document20111.060
Cites per document20121.191
Cites per document20131.000
Cites per document20141.119
Cites per document20151.386
Cites per document20161.500
Cites per document20170.947
Cites per document20181.066
Cites per document20191.326
Cites per document20201.172
Cites per document20211.453
% International Collaboration

International Collaboration accounts for the articles that have been produced by researchers from several countries. The chart shows the ratio of a journal's documents signed by researchers from more than one country; that is including more than one country address.

YearInternational Collaboration
19998.70
200031.82
200140.63
200226.32
200346.15
200439.29
200547.62
200618.37
20078.70
200818.52
200931.82
201048.57
201127.03
201234.78
201352.94
201430.23
201545.65
201645.45
201745.65
201826.67
201920.93
20202.50
20210.00
Citable documents 
Non-citable documents

Not every article in a journal is considered primary research and therefore "citable", this chart shows the ratio of a journal's articles including substantial research (research articles, conference papers and reviews) in three year windows vs. those documents other than research articles, reviews and conference papers.

DocumentsYearValue
Non-citable documents19990
Non-citable documents20000
Non-citable documents20010
Non-citable documents20020
Non-citable documents20030
Non-citable documents20040
Non-citable documents20050
Non-citable documents20060
Non-citable documents20070
Non-citable documents20082
Non-citable documents20093
Non-citable documents20104
Non-citable documents20112
Non-citable documents20126
Non-citable documents20136
Non-citable documents20147
Non-citable documents20153
Non-citable documents20162
Non-citable documents20172
Non-citable documents20182
Non-citable documents20195
Non-citable documents20207
Non-citable documents20217
Citable documents199963
Citable documents200070
Citable documents200168
Citable documents200277
Citable documents200392
Citable documents200496
Citable documents200592
Citable documents200675
Citable documents200798
Citable documents200891
Citable documents200996
Citable documents201068
Citable documents201182
Citable documents201288
Citable documents2013112
Citable documents2014127
Citable documents2015137
Citable documents2016138
Citable documents2017131
Citable documents2018134
Citable documents2019130
Citable documents2020127
Citable documents2021121
Cited documents 
Uncited documents

Ratio of a journal's items, grouped in three years windows, that have been cited at least once vs. those not cited during the following year.

DocumentsYearValue
Uncited documents199931
Uncited documents200040
Uncited documents200143
Uncited documents200256
Uncited documents200359
Uncited documents200466
Uncited documents200562
Uncited documents200650
Uncited documents200768
Uncited documents200871
Uncited documents200958
Uncited documents201031
Uncited documents201136
Uncited documents201233
Uncited documents201358
Uncited documents201456
Uncited documents201550
Uncited documents201644
Uncited documents201744
Uncited documents201851
Uncited documents201956
Uncited documents202053
Uncited documents202148
Cited documents199932
Cited documents200030
Cited documents200125
Cited documents200221
Cited documents200333
Cited documents200430
Cited documents200530
Cited documents200625
Cited documents200730
Cited documents200822
Cited documents200941
Cited documents201041
Cited documents201148
Cited documents201261
Cited documents201360
Cited documents201478
Cited documents201590
Cited documents201696
Cited documents201789
Cited documents201885
Cited documents201979
Cited documents202081
Cited documents202180
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