Natural History & General Biology


Volume, Title, and Unique Books data collected on May 31, 2019.
Circulation statistics for the ALC fiscal year ending May 31, 2019.

Volume Count and Average Age

Counts and average ages of volumes (individual barcoded items) in Natural History & General Biology. This count only includes bound monographic materials.

ACUAPLHSU McMHPUALC
1400-1699      
1700-1799      
1800-189926 14435
1900-190911 66124
1910-191912 62222
1920-192927 44338
1930-193935 36347
1940-194957 186788
1950-19592041538533377
1960-1969449318227970983
1970-1974190611922642585
1975-1979111107212350366
1980-1984119137913684431
1985-19898599516228379
1990-19949538566768325
1995-199910133428979344
2000-20047942876376347
2005-200923321442075294
2010-20141417166141239
20152 21 124
2016218  11
2017 215 118
2018 212  14
2019  1 12
Totals1,6492161,2361,2796695,053
Average Age197019971988197619861979
Percent of
Collection
0.46%0.06%0.67%0.91%0.81%0.44%

Title Count and Average Age

Counts and average ages of titles (excludes duplicate copies) in Natural History & General Biology. This count only includes bound monographic materials.

ACUAPLHSU McMHPUALC
1400-1699      
1700-1799      
1800-189922 12326
1900-190910 56122
1910-191912 62222
1920-192926 44335
1930-193931 35337
1940-194937 186760
1950-19591881477233264
1960-1969378317326163689
1970-1974158611421939449
1975-1979101107011542301
1980-1984110127712883321
1985-19898298814627287
1990-19949029566268264
1995-19998528428677265
2000-20044533805969246
2005-200918271422074250
2010-20141316165141222
20152 19 122
2016218  11
2017 215 118
2018 112  12
2019  1 12
Totals1,4171841,1921,1946383,882
Average Age197019971988197719861980
Percent of
Collection
0.50%0.08%0.72%0.94%0.85%0.51%

Unique Books Count and Average Age

Counts and average ages of unique books (titles held by only one ALC library) in Natural History & General Biology. This count only includes bound monographic materials.

ACUAPLHSU McMHPU
1400-1699     
1700-1799     
1800-189917   1
1900-19099 461
1910-191912 622
1920-192922 241
1930-193926 12 
1940-194925 1315
1950-19591281172810
1960-196922336713518
1970-19748845914519
1975-1979708459231
1980-1984704337052
1985-1989562488510
1990-19946619373432
1995-19995913285138
2000-20042721552935
2005-200914201041240
2010-20141014144 23
20151 17 1
2016218  
2017 114 1
2018  11  
2019  1 1
Totals930114755696321
Average Age19691997199319771988

Total Circulation

A count of charges and renewals for Natural History & General Biology. This count only includes circulation of bound monographs, CDs, videos, and DVDs.

Patron System
ACUAPLHSU McMCJCHPUTotal
ACU Items185000023
APL Items227000029
HSU Items26600014
McM Items050100015
HPU Items0001045
Totals22436110486

Circulation by Item Age

A count of charges and renewals for Natural History & General Biology, broken down by item age and item owner. This count only includes circulation of bound monographs, CDs, videos, and DVDs, and only items which have a valid date in their DATE_1 field.

ACUAPLHSU McMHPUALC
1400-1699      
1700-1799      
1800-18991    1
1900-19091    1
1910-1919      
1920-1929  1  1
1930-19391 1  2
1940-1949      
1950-1959      
1960-19696 11210
1970-19742 13 6
1975-1979   2 2
1980-1984 2 3 5
1985-19892 1  3
1990-1994 3   3
1995-199916  18
2000-20048 3 112
2005-2009 916117
2010-2014      
20151 4  5
2016      
2017 11  2
2018 7   7
2019      
Totals23281415585
Percent of
Circulation
0.12%0.01%0.12%0.45%0.19%0.02%

Non-Circulating Use

A count of Non-Circulating usage for Natural History & General Biology (as recorded by the circulation "Mark Item Used" command). This count only includes bound monographs, CDs, videos, and DVDs.

ACUAPLHSU McMHPU
25672

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