Natural History & General Biology


Volume, Title, and Unique Books data collected on June 4, 2002.
Circulation statistics for the ALC fiscal year ending May 31, 2002.

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
1600-1699      
1700-1799      
1800-189913 24423
1900-19099 66122
1910-19199172221
1920-192924 74338
1930-193930 106551
1940-194954 226789
1950-19591937538334370
1960-196943538194276721,015
1970-19741802412422943600
1975-1979101348012854397
1980-1984106198013584424
1985-1989742410116227388
1990-19947267536757316
1995142110282598
19961998132271
1997126812644
199851310181056
19997136171356
2000932131542
20013743219
2002   1 1
Totals1,3692867871,2134864,141
Average Age196719841973197519781973
Percent of
Collection
0.66%0.16%0.57%0.91%0.71%0.57%

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
1600-1699      
1700-1799      
1800-189911 22316
1900-19098 56120
1910-19199172220
1920-192923 74334
1930-193928 75540
1940-194935 226760
1950-19591817477034259
1960-19693713618226065704
1970-19741532411922040458
1975-197997347711746322
1980-1984101197812783322
1985-198973209414626291
1990-19947058536257258
199514176282162
19961778122150
1997126812641
199851210171045
19997106161244
2000832131533
20013743219
2002   1 1
Totals1,2262617441,1294593,099
Average Age196819841973197519781973
Percent of
Collection
0.68%0.20%0.61%0.94%0.74%0.61%

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
1600-1699     
1700-1799     
1800-18997 1 1
1900-19097 461
1910-19199 712
1920-192919 342
1930-193924 421
1940-194923 1614
1950-19591234172710
1960-1969218156912818
1970-197490136313920
1975-19796522478833
1980-19846610366852
1985-198952850859
1990-19945038313427
199585596
1996924610
199785875
1998286122
199977297
200062157
200137411
2002   1 
Totals796146378633218
Average Age19671985197319761979

Total Circulation

A count of charges and renewals for Natural History & General Biology. This count only includes circulation of bound monographs.

Patron System
ACUAPLHSU McMCJCHPUTotal
ACU Items3081000351
APL Items51693700184
HSU Items742720141
McM Items5439503110
HPU Items100302731
Totals4818543107034417

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, and only items which have a valid date in their DATE_1 field.

ACUAPLHSU McMHPUALC
1600-1699      
1700-1799      
1800-18991  1 2
1900-1909   1 1
1910-1919  1  1
1920-1929  12 3
1930-19391 21 4
1940-1949  1  1
1950-195914 319
1960-1969710314135
1970-19741876325
1975-197921058126
1980-1984515911545
1985-1989914211137
1990-199496255384
1995413 2423
19967315319
1997 4 8214
1998 5110 16
1999 617 14
200019211629
2001321 4 28
2002      
Totals511844111030416
Percent of
Circulation
0.12%0.05%0.18%0.93%0.51%0.09%

Non-Circulating Use

A count of Non-Circulating usage for Natural History & General Biology (as recorded by the circulation "NC" command). This count only includes bound monographs.

ACUAPLHSU McMHPU
40029202

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