Environmental Science

Volume, Title, and Unique Books data collected on May 31, 2010.
Circulation statistics for the ALC fiscal year ending May 31, 2010.

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
1400-16992    2
1700-1799      
1800-1899101    101
1900-190982    82
1910-1919113    113
1920-192928643   329
1930-1939541    541
1940-19495756   581
1950-1959962201 3986
1960-19691,4911141 131,619
1970-19741,03957  21,098
1975-19791,1931463 101,352
1980-19841,137946 91,246
1985-19891,0791966181,290
1990-1994886393142261,321
1995-19999296014234221,628
2000-20047899335015271,814
2005127196722334
20061332974110445
200797308924420
2008742493 1327
200956256613322
201012822  96
Totals11,7043,9911545814016,047
Average Age197419971998199919911980
Percent of
Collection		3.86%1.33%0.09%0.04%0.17%1.61%

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
1400-16992    2
1700-1799      
1800-189967    67
1900-190951    51
1910-191999    99
1920-19291552   156
1930-1939249    249
1940-19494585   463
1950-195980381 3814
1960-19691,355571 131,404
1970-197489736  2926
1975-19791,105833 101,189
1980-19841,048796 61,126
1985-19899631246181,081
1990-1994815345142251,152
1995-19998784994229221,411
2000-20046847214913251,445
2005116146722267
20061191874110311
200788178924272
2008641533 1218
200942141612185
201012432  54
Totals10,0702,8071535113312,942
Average Age197619981998199919911981
Percent of
Collection		4.13%1.42%0.10%0.04%0.18%1.90%

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
1400-16992    
1700-1799     
1800-189951    
1900-190936    
1910-191981    
1920-1929128    
1930-1939207    
1940-19493532   
1950-19595802  3
1960-196988922  12
1970-197461717  1
1975-1979765513 6
1980-1984708535 5
1985-198969870418
1990-199459122612119
1995-199966935728149
2000-200448648034616
20058098522
2006871071 5
2007651018 3
200846972 1
200928725  
20109222  
Totals7,1761,7771092490
Average Age19751998199919991989

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 Items42889321503567
APL Items2052,8127155003,143
HSU Items011000011
McM Items0000000
HPU Items1000001
Totals6342,90211370033,722

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      
1800-18994    4
1900-19093    3
1910-19194    4
1920-19297    7
1930-19395    5
1940-1949105   15
1950-195920    20
1960-1969346   40
1970-19741310   23
1975-19791915   34
1980-198433181  52
1985-198929262  57
1990-199450982  150
1995-19991152961  412
2000-2004975582  657
2005222881 1312
200634355   389
200733330   363
200820369   389
2009117082  721
2010461   65
Totals5673,14311013,722
Percent of
Circulation		1.78%0.40%0.06%0%0.03%0.44%

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
16601012
Return to Index