Natural History & General Biology


Volume, Title, and Unique Books data collected on May 31, 2022.
Circulation statistics for the ALC fiscal year ending May 31, 2022.

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 63116
1910-19196 62216
1920-192912 42321
1930-193917 34327
1940-194911 186742
1950-1959631538234234
1960-1969122 18226269635
1970-197475 11921442452
1975-19794617211950288
1980-19844617912783336
1985-19893619515828318
1990-1994464566768242
1995-1999409429080261
2000-20043913876376278
2005-200921111442274272
2010-2014147165241229
2015-20197546  58
2020  13 4
2021 463 13
2022      
Totals632641,2531,2336683,854
Average Age197320041988197719861982
Percent of
Collection
0.22%0.03%0.71%0.91%0.83%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 53114
1910-19196 62216
1920-192912 42320
1930-193916 34321
1940-194911 186739
1950-1959581477034169
1960-1969100 17324962471
1970-197452 11420839363
1975-19794017011142246
1980-19844117712282263
1985-19893518814227246
1990-1994434566268203
1995-1999388428778214
2000-2004368805969216
2005-200917101422273233
2010-2014147164241214
2015-20197446  55
2020  13 4
2021 263 11
2022      
Totals555521,2091,1596373,119
Average Age197320041989197819861983
Percent of
Collection
0.24%0.04%0.75%0.94%0.86%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 431
1910-19196 622
1920-192911 321
1930-193913 11 
1940-19499 1825
1950-1959411224115
1960-196957 9215825
1970-197428 7115423
1975-1979271529533
1980-198429 437455
1985-1989251549312
1990-1994323404243
1995-1999265315644
2000-2004295593536
2005-20091481061542
2010-2014126144126
2015-20195142  
2020  13 
2021 152 
2022     
Totals38734855779367
Average Age19732002199219781987

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 Items1300004
APL Items053230058
HSU Items52200110
McM Items3024009
HPU Items0000099
Totals9586701090

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      
1920-19291    1
1930-1939      
1940-1949      
1950-1959      
1960-19693  1 4
1970-1974  12 3
1975-1979    22
1980-1984 5 117
1985-1989  1  1
1990-1994      
1995-1999 4 4 8
2000-2004 6  28
2005-2009 8 1211
2010-2014 92 213
2015-2019 1   1
2020      
2021 142  16
2022      
Totals44769975
Percent of
Circulation
0.04%0.02%0.14%0.43%1.00%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
47220

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