Natural History & General Biology

Volume, Title, and Unique Books data collected on May 31, 2006.
Circulation statistics for the ALC fiscal year ending May 31, 2006.

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
1600-1699
1700-1799
1800-1899	23		1	4	4	32
1900-1909	9		6	6	1	22
1910-1919	12		6	2	2	22
1920-1929	24		5	4	3	36
1930-1939	33		4	6	5	48
1940-1949	57		20	6	7	90
1950-1959	201	2	54	93	37	387
1960-1969	448	14	201	294	73	1,030
1970-1974	192	10	138	233	45	618
1975-1979	107	14	81	132	52	386
1980-1984	112	11	83	137	85	428
1985-1989	81	17	102	164	28	392
1990-1994	94	58	55	68	71	346
1995	23	21	10	28	23	105
1996	27	10	9	14	23	83
1997	18	6	12	12	6	54
1998	18	13	10	18	11	70
1999	12	12	12	19	15	70
2000	13	6	4	16	18	57
2001	10	14	26	9	14	73
2002	24	7	16	8	15	70
2003	3	4	12	8	11	38
2004	24	7	14	13	16	74
2005		6	7	1	4	18
2006	1			1		2
Totals	1,566	232	888	1,296	569	4,551
Average Age	1969	1991	1976	1976	1981	1975
Percent of Collection	0.59%	0.09%	0.58%	0.94%	0.76%	0.52%

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
1600-1699
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	23		5	4	3	32
1930-1939	29		4	5	5	38
1940-1949	37		20	6	7	60
1950-1959	185	2	48	80	37	272
1960-1969	378	14	188	276	66	712
1970-1974	159	10	133	224	42	471
1975-1979	98	14	78	121	44	316
1980-1984	104	11	81	129	84	324
1985-1989	78	17	95	148	27	296
1990-1994	87	49	55	63	71	281
1995	23	17	6	28	23	73
1996	23	7	9	13	22	59
1997	18	6	12	12	6	49
1998	13	12	10	17	11	54
1999	11	9	12	18	14	55
2000	11	4	4	16	18	43
2001	9	10	23	9	14	57
2002	8	6	15	8	13	47
2003	3	4	12	8	10	35
2004	10	6	14	9	12	46
2005		5	7	1	4	16
2006	1			1		2
Totals	1,348	203	843	1,206	539	3,404
Average Age	1969	1990	1976	1976	1981	1975
Percent of Collection	0.63%	0.12%	0.62%	0.97%	0.80%	0.56%

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
1600-1699
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	24		2	2	1
1940-1949	24		14	1	4
1950-1959	124	2	17	35	13
1960-1969	219	6	76	139	20
1970-1974	87	4	75	144	21
1975-1979	65	11	52	93	33
1980-1984	65	6	36	71	53
1985-1989	53	7	52	86	9
1990-1994	57	31	31	34	34
1995	16	5	5	9	7
1996	12	2	4	5	10
1997	13	5	10	7	5
1998	8	9	5	12	3
1999	8	7	7	10	7
2000	7	2	3	7	8
2001	7	5	15	3	6
2002	5	3	11	4	7
2003	3	3	11	5	4
2004	4	5	10	5	9
2005		4	6	1	2
2006	1
Totals	855	117	454	685	261
Average Age	1968	1990	1978	1976	1982

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	68	0	9	5	0	0	82
APL Items	22	88	0	3	0	0	113
HSU Items	2	1	89	4	0	1	97
McM Items	4	1	3	47	0	0	55
HPU Items	0	0	5	0	0	55	60
Totals	96	90	106	59	0	56	407

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
1600-1699
1700-1799
1800-1899	1					1
1900-1909
1910-1919
1920-1929	1				5	6
1930-1939			2			2
1940-1949	4			2		6
1950-1959		2	2			4
1960-1969	2	3	7	4	1	17
1970-1974	1	1	14	7	4	27
1975-1979	2	4	7	9	2	24
1980-1984	7	3	8	1	3	22
1985-1989	2	3	9	4	1	19
1990-1994	6	20	5	4	6	41
1995		12		2	4	18
1996	4	11		1	5	21
1997		3	7			10
1998		3			1	4
1999		11	13	6		30
2000	1	8	3	4	8	24
2001	4	14	7	1		26
2002	23	6	2	2	7	40
2003		1	3	4	4	12
2004	24	5	7	4	3	43
2005		3	1		6	10
2006
Totals	82	113	97	55	60	407
Percent of Circulation	0.21%	0.02%	0.42%	0.67%	1.22%	0.06%

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
20	0	49	18	10

Return to Index