Natural History & General Biology


Volume, Title, and Unique Books data collected on May 31, 2021.
Circulation statistics for the ALC fiscal year ending May 31, 2021.

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      
1800-189916 14425
1900-19096 64117
1910-19196 62216
1920-192912 42321
1930-193917 35328
1940-194911 186742
1950-1959631538334235
1960-1969122118226669640
1970-197475111921642455
1975-19794637211950290
1980-19844627912783337
1985-19893639515828320
1990-19944510566768247
1995-19994010429079261
2000-20043922876376287
2005-200921131442274274
2010-2014147165241229
2015-20197746  60
2020  12 3
Totals631871,2471,2386673,874
Average Age197320011988197719861982
Percent of
Collection
0.22%0.04%0.71%0.90%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      
1800-189915 12319
1900-19095 54115
1910-19196 62216
1920-192912 42320
1930-193916 35322
1940-194911 186739
1950-1959581477134170
1960-1969100117325262473
1970-197452111421039366
1975-19794037011142247
1980-19844127712282263
1985-19893538814227246
1990-19944210566268209
1995-1999389428777213
2000-20043617805969224
2005-200917121422273235
2010-2014147164241214
2015-20197646  57
2020  12 3
Totals554771,2031,1636363,133
Average Age197320001989197719861983
Percent of
Collection
0.25%0.05%0.75%0.93%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 441
1910-19196 622
1920-192911 321
1930-193913 12 
1940-19499 1825
1950-1959411224215
1960-19695719015925
1970-19742817015623
1975-1979272529533
1980-198429 427455
1985-1989251549112
1990-1994328394343
1995-1999265315444
2000-20042912573435
2005-200914101061542
2010-2014126144125
2015-20195342  
2020  12 
Totals38752843778365
Average Age19732000199219771987

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 Items4200006
APL Items029030032
HSU Items1610019
McM Items15090015
HPU Items0000088
Totals6421120970

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      
1930-1939   2 2
1940-1949      
1950-19592    2
1960-19691 13 5
1970-1974      
1975-1979      
1980-1984   1 1
1985-1989      
1990-1994   347
1995-1999 5  16
2000-20042 13 6
2005-2009112 2116
2010-2014 11 24
2015-2019 4   4
2020   1 1
Totals622315854
Percent of
Circulation
0.05%0.01%0.06%0.84%0.54%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
00002

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