Environmental Science


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 Environmental Science. This count only includes bound monographic materials.

ACUAPLHSU McMHPUALC
1400-1699      
1700-1799      
1800-1899      
1900-1909      
1910-1919      
1920-1929      
1930-1939      
1940-19492    2
1950-19595    5
1960-196920    20
1970-197417    17
1975-197927    27
1980-198425    25
1985-198928  1 29
1990-19944821021375
1995-1999583383415148
2000-2004472351521120
2005-200936182461094
2010-20143112211671
2015-20192 3  5
20204 2  6
2021331  7
2022 5 2 7
2023      
Totals372541416266695
Average Age199420112004200020001998
Percent of
Collection
0.13%0.03%0.08%0.05%0.08%0.08%

Title Count and Average Age

Counts and average ages of titles (excludes duplicate copies) in Environmental Science. This count only includes bound monographic materials.

ACUAPLHSU McMHPUALC
1400-1699      
1700-1799      
1800-1899      
1900-1909      
1910-1919      
1920-1929      
1930-1939      
1940-19492    2
1950-19595    5
1960-196920    20
1970-197416    16
1975-197926    26
1980-198425    25
1985-198923  1 24
1990-19944721021374
1995-1999553382915126
2000-200440235131997
2005-20093515246983
2010-20142811181663
2015-20192 3  5
20204 2  6
2021331  7
2022 3 2 5
2023      
Totals350481385563620
Average Age199420102004200020001998
Percent of
Collection
0.15%0.03%0.09%0.05%0.08%0.10%

Unique Books Count and Average Age

Counts and average ages of unique books (titles held by only one ALC library) in Environmental Science. This count only includes bound monographic materials.

ACUAPLHSU McMHPU
1400-1699     
1700-1799     
1800-1899     
1900-1909     
1910-1919     
1920-1929     
1930-1939     
1940-19491    
1950-19595    
1960-196917    
1970-197410    
1975-197920    
1980-198417    
1985-198916  1 
1990-199439210212
1995-199946 29168
2000-200427126712
2005-200924112124
2010-20142281615
2015-20192 3  
20204 2  
2021331  
2022 2 2 
2023     
Totals267341143242
Average Age19942011200420012000

Total Circulation

A count of charges and renewals for Environmental Science. This count only includes circulation of bound monographs, CDs, videos, and DVDs.

Patron System
ACUAPLHSU McMCJCHPUTotal
ACU Items5000005
APL Items035000035
HSU Items0000000
McM Items1101003
HPU Items0100001
Totals637010044

Circulation by Item Age

A count of charges and renewals for Environmental Science, 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      
1940-1949      
1950-1959      
1960-1969      
1970-1974      
1975-1979      
1980-1984      
1985-19893    3
1990-1994    11
1995-19991  1 2
2000-2004      
2005-2009 3   3
2010-2014 1   1
2015-2019      
2020      
2021 5   5
2022 16 1 17
2023      
Totals42502132
Percent of
Circulation
0.04%0.01%0%0.09%0.07%0.02%

Non-Circulating Use

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

ACUAPLHSU McMHPU
219000

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