Natural History & General Biology

Volume, Title, and Unique Books data collected on May 31, 2016.
Circulation statistics for the ALC fiscal year ending May 31, 2016.

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	26		1	4	4	35
1900-1909	11		6	6	1	24
1910-1919	12		6	2	2	22
1920-1929	27		5	4	3	39
1930-1939	35		3	6	4	48
1940-1949	57		19	6	7	89
1950-1959	204	2	52	85	33	377
1960-1969	446	3	189	279	70	987
1970-1974	188	6	124	226	42	588
1975-1979	108	10	76	123	50	367
1980-1984	116	15	80	136	84	431
1985-1989	81	9	97	162	28	377
1990-1994	91	40	56	67	69	324
1995-1999	99	36	43	89	78	345
2000-2004	78	43	86	63	76	346
2005-2009	22	35	142	20	75	294
2010-2014	14	16	165	1	40	236
2015	2		19		1	22
2016		1				1
Totals	1,623	223	1,213	1,279	667	5,009
Average Age	1970	1996	1987	1976	1986	1979
Percent of Collection	0.48%	0.06%	0.68%	0.91%	0.81%	0.46%

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	22		1	2	3	26
1900-1909	10		5	6	1	22
1910-1919	12		6	2	2	22
1920-1929	26		5	4	3	35
1930-1939	31		3	5	4	38
1940-1949	37		19	6	7	61
1950-1959	188	2	46	72	33	265
1960-1969	376	3	178	261	63	690
1970-1974	156	6	119	219	39	452
1975-1979	98	10	74	115	42	302
1980-1984	107	14	78	128	83	321
1985-1989	78	9	90	146	27	286
1990-1994	87	32	56	62	69	265
1995-1999	83	31	43	86	76	267
2000-2004	44	34	79	59	69	245
2005-2009	17	29	140	20	74	250
2010-2014	13	15	164	1	40	220
2015	2		17		1	20
2016		1				1
Totals	1,393	192	1,167	1,194	636	3,843
Average Age	1970	1996	1987	1977	1986	1980
Percent of Collection	0.52%	0.09%	0.73%	0.95%	0.85%	0.52%

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	17				1
1900-1909	9		4	6	1
1910-1919	12		6	2	2
1920-1929	21		2	4	1
1930-1939	26		1	2	1
1940-1949	25		14	1	5
1950-1959	128	2	17	29	10
1960-1969	221	3	70	134	18
1970-1974	87	4	63	144	20
1975-1979	67	8	49	92	31
1980-1984	67	6	34	70	52
1985-1989	54	2	49	86	10
1990-1994	63	22	37	34	33
1995-1999	58	16	29	51	38
2000-2004	26	22	54	29	34
2005-2009	13	22	103	12	41
2010-2014	10	13	143		23
2015	1		15		1
2016		1
Totals	909	125	731	696	322
Average Age	1969	1997	1992	1977	1988

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	33	3	0	0	0	0	36
APL Items	3	66	0	12	0	0	81
HSU Items	6	4	45	0	0	0	55
McM Items	11	4	0	2	0	0	17
HPU Items	3	0	0	0	0	21	24
Totals	56	77	45	14	0	21	213

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	2					2
1900-1909
1910-1919
1920-1929	3		1			4
1930-1939	1			2		3
1940-1949	2		1	1		4
1950-1959	4			1		5
1960-1969	5		12	1		18
1970-1974	1	1	7		1	10
1975-1979		1	4	3		8
1980-1984	3	4	1			8
1985-1989		4	2	8		14
1990-1994	3	16			1	20
1995-1999	2	19	1			22
2000-2004	4	9			6	19
2005-2009	3	12	4	1	10	30
2010-2014	1	7	4		6	18
2015			6			6
2016
Totals	34	73	43	17	24	191
Percent of Circulation	0.15%	0.02%	0.38%	0.47%	0.76%	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
33	5	10	13	2

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