Natural History & General Biology


Volume, Title, and Unique Books data collected on May 31, 2023.
Circulation statistics for the ALC fiscal year ending May 31, 2023.

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      
1800-189914 14423
1900-19096 61114
1910-19196 62216
1920-192912 42220
1930-193917 33326
1940-194911 186742
1950-1959631538134233
1960-1969121 18225864625
1970-197475 11921238446
1975-19794617211849286
1980-19844417912583332
1985-19893619515828318
1990-1994464566667240
1995-1999409428980260
2000-20043912876376277
2005-200921101442275272
2010-2014147165241229
2015-20197546  58
2020  1326
2021 4113119
20221163213
2023      
Totals628631,2641,2216623,842
Average Age197420051989197819871983
Percent of
Collection
0.22%0.03%0.71%0.94%0.82%0.43%

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      
1800-189914 12318
1900-19095 51112
1910-19196 62216
1920-192912 42219
1930-193916 33321
1940-194911 186739
1950-1959581476934168
1960-196999 17324557464
1970-197452 11420635358
1975-19794017011041244
1980-19844017712082260
1985-19893518814227246
1990-1994434566167202
1995-1999388428678213
2000-2004367805969215
2005-20091791422274233
2010-2014147164241214
2015-20197446  55
2020  1325
2021 2113116
20221163212
2023      
Totals553511,2201,1476313,112
Average Age197420041989197819871983
Percent of
Collection
0.24%0.03%0.76%0.96%0.85%0.49%

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     
1800-189912   1
1900-19094 411
1910-19196 622
1920-192911 32 
1930-193913 111
1940-19499 1825
1950-1959411224015
1960-196956 9415423
1970-197428 7215220
1975-1979271529432
1980-198429 437255
1985-1989251549312
1990-1994323404244
1995-1999265315544
2000-2004294593536
2005-20091471061543
2010-2014126144126
2015-20195142  
2020  121
2021 192 
202211531
2023     
Totals38733867768365
Average Age19732003199219781988

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 Items8000008
APL Items055000055
HSU Items010310216
McM Items0107008
HPU Items0000033
Totals866380590

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      
1800-1899      
1900-1909      
1910-1919      
1920-1929      
1930-19391    1
1940-1949      
1950-1959      
1960-1969   2 2
1970-19741 1  2
1975-19791    1
1980-1984   1 1
1985-19892    2
1990-1994   2 2
1995-1999111  3
2000-2004 2 215
2005-2009 1541 20
2010-2014 21 25
2015-2019 5   5
2020      
2021 123  15
202226   8
2023      
Totals843108372
Percent of
Circulation
0.08%0.02%0.29%0.36%0.22%0.03%

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
7172240

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