Natural History & General Biology

Volume, Title, and Unique Books data collected on May 31, 2009.
Circulation statistics for the ALC fiscal year ending May 31, 2009.

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.

	ACU	APL	HSU	McM	HPU	ALC
1400-1699
1700-1799
1800-1899	24		1	4	4	33
1900-1909	9		6	6	1	22
1910-1919	12		6	2	2	22
1920-1929	25		5	4	3	37
1930-1939	34		3	6	5	48
1940-1949	57		20	6	7	90
1950-1959	203	2	53	93	38	390
1960-1969	448	11	199	294	73	1,025
1970-1974	189	8	134	230	45	608
1975-1979	107	11	79	132	51	380
1980-1984	112	11	83	136	86	428
1985-1989	81	16	102	164	28	391
1990-1994	96	52	55	68	73	344
1995-1999	90	56	54	90	79	369
2000-2004	77	37	87	63	75	339
2005	5	10	24	9	11	59
2006	6	2	23	8	16	55
2007	5	9	22	2	13	51
2008	6	3	6		11	26
2009		1		1		2
Totals	1,586	229	962	1,318	621	4,719
Average Age	1970	1993	1979	1976	1983	1976
Percent of Collection	0.54%	0.08%	0.59%	0.94%	0.78%	0.49%

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.

	ACU	APL	HSU	McM	HPU	ALC
1400-1699
1700-1799
1800-1899	20		1	2	3	24
1900-1909	8		5	6	1	20
1910-1919	12		6	2	2	22
1920-1929	24		5	4	3	33
1930-1939	30		3	5	5	38
1940-1949	37		20	6	7	61
1950-1959	187	2	47	80	38	275
1960-1969	378	11	186	276	66	709
1970-1974	158	8	129	223	42	468
1975-1979	98	11	77	121	43	311
1980-1984	104	11	81	128	85	323
1985-1989	78	15	95	148	27	295
1990-1994	91	45	55	63	73	282
1995-1999	84	49	50	87	77	284
2000-2004	43	30	79	59	68	242
2005	5	8	24	9	11	48
2006	6	2	23	8	16	48
2007	5	7	21	2	12	43
2008	2	3	6		11	20
2009		1		1		2
Totals	1,370	203	913	1,230	590	3,548
Average Age	1969	1992	1979	1976	1983	1976
Percent of Collection	0.58%	0.11%	0.63%	0.97%	0.82%	0.53%

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.

	ACU	APL	HSU	McM	HPU
1400-1699
1700-1799
1800-1899	15				1
1900-1909	7		4	6	1
1910-1919	12		6	2	2
1920-1929	19		2	4	1
1930-1939	25		1	2	1
1940-1949	25		14	1	4
1950-1959	126	2	16	36	13
1960-1969	220	4	75	141	20
1970-1974	87	4	72	145	21
1975-1979	65	8	52	93	32
1980-1984	66	6	36	70	53
1985-1989	53	6	53	87	10
1990-1994	61	28	31	34	36
1995-1999	54	25	32	44	34
2000-2004	26	17	56	29	32
2005	5	7	17	5	4
2006	5	2	11	6	7
2007	3	5	17	1	8
2008	1	3	4		9
2009		1		1
Totals	875	118	499	707	289
Average Age	1969	1993	1981	1977	1984

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
	ACU	APL	HSU	McM	CJC	HPU	Total
ACU Items	47	4	0	0	0	3	54
APL Items	12	108	2	0	0	0	122
HSU Items	7	7	45	2	0	2	63
McM Items	11	2	0	34	0	2	49
HPU Items	0	0	0	0	0	41	41
Totals	77	121	47	36	0	48	329

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.

	ACU	APL	HSU	McM	HPU	ALC
1400-1699
1700-1799
1800-1899
1900-1909
1910-1919
1920-1929	1					1
1930-1939
1940-1949
1950-1959			4			4
1960-1969	9	2	5	1		17
1970-1974			1			1
1975-1979	1	4	1	1	3	10
1980-1984	2	2	2		4	10
1985-1989	5	7	7	10	5	34
1990-1994	6	30	1	6	6	49
1995-1999	10	18	7	9	5	49
2000-2004	18	22	19	10	8	77
2005		12	5			17
2006		1	2	6	4	13
2007	2	14	7	2	3	28
2008		9	2		3	14
2009		1		4		5
Totals	54	122	63	49	41	329
Percent of Circulation	0.16%	0.02%	0.29%	0.94%	0.83%	0.04%

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.

ACU	APL	HSU	McM	HPU
18	0	19	169	3

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