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The Digital Journal Collection in Libraries -what Libraries Are doing -Impact on Scientists

The Digital Journal Collection in Libraries -what Libraries Are doing -Impact on Scientists. Carol Tenopir University of Tennessee ctenopir@utk.edu. Percentages of Acquisitions Dollars Devoted to Electronic Resources.

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The Digital Journal Collection in Libraries -what Libraries Are doing -Impact on Scientists

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  1. The Digital Journal Collection in Libraries-what Libraries Are doing -Impact on Scientists Carol Tenopir University of Tennessee ctenopir@utk.edu

  2. Percentages of Acquisitions Dollars Devoted to Electronic Resources 1999-2000 several libraries reported over 20% spent for electronic resources. Source: ARL Statistics and Supplementary Statistics

  3. Comparison of Annual Increases in Electronic Resources & Total Materials Expenditures ARL Libraries Comparison of Yearly Increases in Electronic Resources and Total Materials Expenditures Average Counts • 446.9% increase in dollars spent for Electronic Resources between 1992 and 2000 • 49.4% increase in dollars spent for Total Library Materials between 1992 and 2000 • Source: ARL Statistics and Supplementary Statistics www.arl.org ASSOCIATIONOF RESEARCH LIBRARIES

  4. Libraries are spending more on serials, but are they getting more?

  5. Average Price Per Title:Science Journals 1996-2002 Sources: Library Journal, April 15, 2000, and April 15, 2002.

  6. Serial & Monograph Expenditures Source: Monograph and Serial Costs in ARL Libraries. http://www.arl.org/newsltr/210/coststbl.html. Accessed September 30, 2002.

  7. Serial & Monograph Purchases Source: Monograph and Serial Costs in ARL Libraries. http://www.arl.org/newsltr/210/coststbl.html. Accessed September 30, 2002.

  8. Print and Electronic Subscriptions Source: Montgomery and King, “Comparing Library and User Related Costs of Print and Electronic Journal Collections” in D-Lib October 2002. Available at http://wwww.dlib.org/dlib/october02/montgomery/10montgomery.html

  9. Print & Electronic Serial Titles in Australian Academic Libraries Print and Electronic Titles Electronic Titles 38,442 5% 50,387 7% 232,684 25% 703,785 75% 614,956 88% Printer Individual Electronic Serial Titles Electronic Titles Within a Single Publishers Collection Titles Within aggregations Source: CAUL Statistics http://www.caul.edu.au/stats/caul2001-pub.xls

  10. Two Main Models • Journal Model • Article Model

  11. Sources of Readings % and amount of readings from separate copies use of personal subscriptions Scientists appear to be reading from more journals—at least one article per year from approximately 23 journals, up from 13 in the late 1970s and 18 in the mid-1990s.

  12. Core journals – browse and search by title, journal title important • Peripheral journals – search by topic, read by topic not journal title

  13. Scholarly Publishing at the Crossroads Institutional Repositories SPARC Society Publishers E-Print Service Commercial Publishers Self-Archives BioMed Central

  14. Electronic Articles Reading Paper Other e- E-prints E-journals

  15. Time Spent and Number of Articles Read

  16. Valued Attributes of Journals • Authority (peer review) • Quality (editorial) • Accessibility (distribution) • Longevity (archiving) • Priority of discoveries and recognition (from author’s perspective)

  17. Multiple Co-existing Alternatives • Print journals • E-journals with many links • Articles databases (aggregators) • E-print servers • Authors’ web sites • Institutional repositories

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