Imnavait Creek Permanent Vegetation Plots

Walker DA, Lederer ND, and Walker MD. 1987. Permanent vegetation plots: Site factors, soil physical and chemical properties and plant species cover. Department of Energy R4D Program, Institute of Arctic and Alpine Research, University of Colorado, Boulder, CO.

Home // Vegetation communities and microsites // Summary of areas sampled // Environmental variables // Environmental information // Soil descriptions // Soil physical characteristics // Soil chemical characteristics // Species composition //
Appendices: Plot and soil photos // Equivalent vegetation units // Plot location map

Table 4. Environmental variables for the R4D permanent vegetation plots

PDF - MS Excel

Plot No.	Date Sampled	Plot Location	Land- form	Terrain unit	Slope (°)	Aspect (°)	Expos. (Scalar)*	Surface Form	Micro- site	% Cover of Micro- site	Site Moist. (Scalar)*	Est. Snow Dur. (Scalar)*	Snow Depth (cm, 5/17/87)	Stabil. (Scalar)*	Cryo. (%)	Micro- relief Ht. (cm)	Tussock Thaw Depth (cm)	Inter-tussock Thaw Depth (cm)	Bare Soil Cover (%)	Rock Cover (%)	Soil Type	Soil Moist.*	Low shrub Cover (%)	Dwarf shrub Cover (%)	Avg. shrub height (cm)	Tussock Graminoid Cover (%)	Non-tussock Graminoid Cover (%)	Forb Cover (%)	Lichen Cover (%)	Bryophyte Cover (%)	Horsetail Cover (%)	Disturbance**
Plot No.	Date Sampled	Plot Location	Land- form	Terrain unit	Slope (°)	Aspect (°)	Expos. (Scalar)*	Surface Form	Micro- site	% Cover of Micro- site	Site Moist. (Scalar)*	Est. Snow Dur. (Scalar)*	Snow Depth (cm, 5/17/87)	Stabil. (Scalar)*	Cryo. (%)	Micro- relief Ht. (cm)	Tussock Thaw Depth (cm)	Inter-tussock Thaw Depth (cm)	Bare Soil Cover (%)	Rock Cover (%)	Soil Type	Soil Moist.*	Low shrub Cover (%)	Dwarf shrub Cover (%)	Avg. shrub height (cm)	Tussock Graminoid Cover (%)	Non-tussock Graminoid Cover (%)	Forb Cover (%)	Lichen Cover (%)	Bryophyte Cover (%)	Horsetail Cover (%)	H	F	Be	C	S	L	M	Bi	I

SW-1	8/1/84	149° 18.83' W, 68° 36.98' N	2	8	5	260	2.0	16			7.0	5.0	46	3.0	0	20	35	22	0	0	7	8.0	5.0	35.0	25	2.0	18.0	0	0.3	80.0	0
SW-2 *	8/1/84	149° 18.93' W, 68° 37.02' N	2	8	7	260	2.0	10			9.0	1.5		4.0	0	22	45	42	0	0	2	9.0	35.0	1.0	35	0	35.0	0.3	0.3	55.0	1.0				2					2
SW-3	8/3/84	149° 18.84' W, 68° 36.96' N	2	8	7	260	2.0	16			7.0	4.5	41	1.5	0	26	46	22	0	0	7	8.0	1.0	30.0		45.0	7.0	0.3	2.0	75.0	0									1
SW-4A	8/3/84	149° 18.84' W, 68° 36.96' N	2	8	7	260	2.0	11	5	30	8.0	3.8	35	2.8	0	18	64	48	2.0	0	6	9.0	8.0	15.0		40.0	11.0	3.0	0.3	60.0	0									2
SW-4B	8/3/84	0° 0' E, 0° 0' N	2	8	7	260	2.0	11	6	70	7.5	4.0		2.0	0				0	0	7		50.0	50.0	25	0	25.0	6.0	1.0	70.0	0									2
SW-5	8/3/84	149° 18.84' W, 68° 36.94' N	2	8	6	260	2.0	11			8.0	4.0	53	2.0	0	18			2.0	0	6	8.0	55.0	20.0	25	0.3	15.0	1.0	3.0	70.0	0
SW-6 *	8/3/84	149° 18.85' W, 68° 36.93' N	2	8	7	260	2.0	4			7.0	4.5	30	3.2	0	18	43	20	0	0	7	7.2	20.0	30.0	18	0.3	30.0	2.0	4.0	85.0	0
SW-7	8/3/84	149° 18.84' W, 68° 36.93' N	2	8	7	260	2.0	11			8.0	4.5	49	3.5	0	15	59	43	0	0	6	8.0	45.0	40.0	40	15.0	15.0	3.0	0.3	80.0	0									1
SW-8 *	8/3/84	149° 18.84' W, 68° 36.92' N	2	8	7	260	2.0	16			6.5	4.5	38	1.8	0.3	20	48	32	0	0	6	7.5	5.0	35.0	28	5.0	30.0	5.0	10.0	70.0	0									1
SW-9	8/4/84	149° 18.84' W, 68° 36.91' N	2	2	3	260	3.0	15			3.5	2.0	10	1.5	0.3	3	99		2.0	5.0	4	3.0	0	50.0	3	0	5.0	1.0	50.0	15.0	0				1				1	1
SW-10	8/4/84	149° 18.83' W, 68° 36.9' N	2	8	4	260	2.0	10			7.0	5.0		2.0	0	17	36	20	0	0	6	7.0	40.0	20.0	25	0.3	15.0	7.0	1.0	90.0	0									1
SW-11 *	8/4/84	149° 18.84' W, 68° 36.89' N	2	8	5	260	2.0	11			8.5	4.0	60	3.5	0	15		49	30.0	0	6	9.0	15.0	10.0	40	0	35.0	3.0	0	15.0	0									1
SW-12	8/4/84	149° 18.85' W, 68° 36.87' N	2	8	7	260	2.0	16			7.0	4.0	52	1.8	0	20	49	22	0	0	6	8.0	15.0	50.0	25	10.0	30.0	1.0	1.0	70.0	0									2
SW-13	8/4/84	149° 18.96' W, 68° 36.86' N	3	8	6	270	2.0	4			7.5	5.0	71	2.5	0	28	39	18	0	0	7	7.3	35.0	25.0	28	5.0	25.0	1.0	1.0	75.0	0
SW-14	8/4/84	149° 19.07' W, 68° 36.87' N	11	5	0		1.8	16			7.8	5.5	46	2.0	0	18	40	25	0	0	9	8.0	0	20.0	8	0	25.0	3.0	0.3	95.0	0
SW-15	8/4/84	149° 19.07' W, 68° 36.84' N	11	5	0		1.8	16			7.0	5.0	45	1.5	0	12	33	23	0	0	2	8.0	0	60.0	12	0.3	4.0	0.3	0.3	100.0	0
SW-16 *	8/5/84	149° 19.09' W, 68° 36.84' N	4	5	2	350	1.5	16			9.5	4.5		4.5	0	4		67	20.0	0	3	10.0	0	0.0		0	90.0	0	0	0.3	0
SW-17	8/5/84	149° 19.04' W, 68° 36.8' N	3	8	5	270	2.0	16			7.0	5.5	50	1.5	0	18	33	19	0	0	7	7.0	1.0	50.0	12	15.0	0.3	0.3	1.0	100.0	0							1
SW-18	8/5/84	149° 19.06' W, 68° 36.79' N	4	7	1	350	1.5	8			9.0	5.5	70	4.0	0	12	60	45	2.0	0	7	9.0	0	25.0	22	0	60.0	2.0	0	25.0	0				1					1
SW-19 *	8/5/84	149° 19.01' W, 68° 36.78' N	5	7	3	300	2.0	16			7.5	5.5	41	1.5	0	12	39	28	0	0	7	8.0	0	25.0	12	0	20.0	0.3	0.3	100.0	0				2		3.0			1
SW-20	8/5/84	149° 18.99' W, 68° 36.75' N	11	7	3	280	1.8	16			8.0	5.0		1.5	0	12	35	23	0	0	7	8.5	0	30.0	12	0	20.0	0.3	0.3	100.0	0				2		3.0			1
SW-21A	8/5/84	149° 18.98' W, 68° 36.69' N	11	7	0		1.8	8	2	92	8.0	4.0	53	2.0	0			44	10.0	0	7	8.5	0	0.3	2	0	30.0	0.3	0	20.0	0				1
SW-21B	8/5/84	0° 0' E, 0° 0' N	11	7	0		1.8	8	1	8	6.0	3.0		2.5	0	20	53		0	0	7	7.0	1.0	1.0	5	0	1.0	0.3	1.0	3.0	0				1		1.0
SW-22A *	8/5/84	149° 18.94' W, 68° 36.63' N	11	7	1	350	1.8	8	2	80	8.0	4.0		1.5	0			41	15.0	0	2	8.0	0	5.0	5	0	20.0	2.0	0	60.0	0				2
SW-22B	8/5/84	0° 0' E, 0° 0' N	11	7	1	350	1.8	8	1	20	7.0	3.5		1.8	0	15	57		0	0	7		0	10.0	5	0	10.0	1.0	0	20.0	0				2
SW-23	8/5/84	149° 18.91' W, 68° 36.58' N	4	5	0		1.5	16			10.0	4.5		4.3	0	3		46	30.0	0	3	10.0	0	0.0		0	60.0	0.3	0	10.0	0
SW-24 *	8/6/84	149° 18.88' W, 68° 36.57' N	11	7	0		2.0	6			5.0	3.5	30	2.0	0	22	40	21	0	1.0	9	6.0	0	50.0	12	20.0	0.3	0.3	40.0	65.0	0						1.0		1
SW-25A	8/6/84	149° 18.87' W, 68° 36.56' N	11	7	1	300	1.8	8	1	50	7.0	3.8		2.0	0	15	52		0	0	0	7.0	0	30.0	8	0	30.0	1.0	0.3	45.0	0
SW-25B	8/6/84	0° 0' E, 0° 0' N	11	7	1	300	1.8	8	2	50	9.0	4.0		1.0	0			36	3.0	0	2	8.0	0	0.3		0	15.0	1.0	0	20.0	0				1
SW-26	8/6/84	149° 19.3' W, 68° 36.64' N	1	8	4	80	3.0	2			4.5	3.0	50	3.0	1.0	15		99	1.0	3.0	5	4.0	0	35.0	5	0	10.0	2.0	50.0	50.0	0.3								1
SW-27	8/6/84	149° 19.3' W, 68° 36.65' N	1	8	3	80	3.0	16			6.0	3.0	63	3.0	0	20		95	0	0	1	6.0	5.0	30.0	10	0.3	35.0	3.0	2.0	60.0	0									1
SW-28	8/6/84	149° 19.39' W, 68° 36.69' N	1	2	0		3.5	15			3.0	2.0	8	2.0	0	3			3.0	20.0	5	3.0	0	40.0	1	0	0.3	0.3	55.0	5.0	0				1
SW-29A	8/6/84	149° 19.39' W, 68° 36.71' N	1	2	2	70	2.5	2	4	75	6.0	3.0		1.5	0	10		50	0	0	6	5.0	0	40.0	8	0	10.0	2.0	60.0	55.0	0				1
SW-29B	8/6/84	149° 19.39' W, 68° 36.71' N	1	2	2	70	2.5	2	3	25	4.0	3.0		5.0	25.0	10		90	10.0	15.0	8	4.0	0	0.3	5	0	0.3	1.0	1.0	0.3	0				1
SW-30A	8/7/84	149° 19.52' W, 68° 36.94' N	1	2	1	90	3.0	2	4	80	4.0	3.0	32	2.0	0.3	12		70	0	0	6	5.0	0	40.0	8	0	10.0	4.0	45.0	40.0	0				1					1
SW-30B	8/7/84	0° 0' E, 0° 0' N	1	2	1	90	3.0	2	3	20	3.5	3.0		5.0	20.0	12		80	10.0	10.0	8	4.0	0	0.3	5	0	0.3	0.3	1.0	1.0	0				1
SW-31	8/7/84	149° 19.51' W, 68° 36.94' N	1	2	2	90	2.9	16			6.0	4.0	56	1.8	0	15		60	0	0	6	6.0	20.0	30.0		0.3	30.0	20.0	1.0	80.0	0									1
SW-32A *	8/7/84	149° 19.51' W, 68° 36.95' N	1	2	2	90	2.8	2	4	75	4.0	4.5	38	1.5	0	10		95	0	2.0	6	5.0	0	50.0	8	0	5.0	0.3	35.0	40.0	0				1					1
SW-32B *	8/7/84	0° 0' E, 0° 0' N	1	2	2	90	2.8	2	3	25	3.0	4.5		5.0	99.0	2		100	13.0	12.0	8	4.0	0	0.3	3	0	0.3	0.3	0.3	0.3	0				1
SW-33 *	8/7/84	149° 19.37' W, 68° 37.04' N	2	2	15	120	3.7	15			3.0	2.0		1.5	0	2			10.0	30.0	4	2.0	0	50.0	3	0	5.0	0.3	40.0	3.0	0	1			1	1
SW-34	8/7/84	149° 19.16' W, 68° 37.01' N	2	8	7	90	1.5	11			8.0	5.0	71	3.5	0	10		61	5.0	0	7	9.0	35.0	0.3	40	0	60.0	20.0	0	45.0	0									1
SW-35A	8/7/84	149° 19.17' W, 68° 36.99' N	2	8	8	90	1.5	4	7	70	7.0	5.0	80	3.0	0	28	56		0	0	7	6.0	40.0	5.0	30	0.3	20.0	10.0	0.3	60.0	0				1					1
SW-35B	8/7/84	0° 0' E, 0° 0' N	2	8	8	90	1.5	4	8	30	8.0	5.0		3.0	0	28		47	5.0	0	7	9.0	5.0	5.0	30	0	20.0	0.3	0	30.0	0						1
SW-36A	8/7/84	149° 19.16' W, 68° 36.98' N	2	8	7	90	1.5	4	7	60	6.0	5.5		3.0	0	22	68		0	0	7	6.0	40.0	3.0	45	0	22.0	5.0	0	45.0	0				1					1
SW-36B	8/7/84	0° 0' E, 0° 0' N	2	8	7	90	1.5	4	8	40	8.0	5.5		3.0	0	22		49	5.0	0		8.5	25.0	0.3		0	25.0	0.3	0	25.0	0				1					1
SW-37	8/7/84	0° 0' E, 0° 0' N	12	10	0		1.0	18			10.0	4.0		5.0	0	3		55	20.0	0	3	10.0	0	0.0		0	0	50.0	0	20.0	5.0
SW-38	8/8/84	149° 18.28' W, 68° 37.03' N	1	2	4	225	3.5	15			4.0	2.5	82	1.2	0	8		100	0	20.0	5	4.0	0	60.0	2	0	1.0	0.3	60.0	15.0	0				1
SW-39	8/8/84	149° 18.23' W, 68° 37.01' N	1	2	2	220	3.3	7			4.0	2.5	25	1.5	0	8		100	0	10.0	5	4.5	0	35.0	3	0	20.0	2.0	60.0	20.0	0				1
SW-40	8/8/84	149° 18.04' W, 68° 37' N	2	2	8	80	1.5	15			5.0	6.0		1.5	0	8		65	0	10.0	5	4.0	0	50.0	6	0	15.0	5.0	70.0	55.0	0
SW-41	8/8/84	0° 0' E, 0° 0' N	2	2	5	70	1.5	15			6.0	6.0	82	2.0	0	12			0	2.0	5	5.0	0	85.0	10	0	5.0	5.0	45.0	50.0	0								1	1.0
SW-42 *	8/19/85	149° 18.34' W, 68° 37.07' N	2	2	5	180	3.8	15			3.0	2.0	13	1.5	5.0	15			1.0	15.0	5	3.5	0	55.0		0	1.0	1.0	48.0	5.0	0				1
SW-43	8/21/85	149° 18.2' W, 68° 37.03' N	1	2	0		3.0	15			4.0	2.5	34	1.0	1.0	10			1.0	3.0	5	3.0	0	35.0		0	1.0	0	45.0	7.0	0
SW-44A	8/21/85	149° 18.19' W, 68° 36.93' N	2	2	3	270	2.5	2	4	90	4.5	3.0		2.0	10.0	15			1.0	2.0	6	6.0	0	67.0		0	10.0	1.0	50.0	45.0	0
SW-44B	8/21/85	0° 0' E, 0° 0' N	2	2	3	270	2.5	2	3	10	3.5	3.0		5.0	99.0	2			40.0	50.0	6		0	8.0		0	2.0	0.7	1.0	9.0	0
SW-45	8/21/85	149° 18.2' W, 68° 36.93' N	2	2	2	270	2.5	16			7.0	3.5		2.5	0	20	55	42	0	0	7	7.0	20.0	40.0		10.0	30.0	1.0	8.0	90.0	0
SW-46	8/23/85	0° 0' E, 0° 0' N	3	8	4	68	1.5	16			7.0	5.0	54	2.8	0	15	32	22	0	0	7	7.0	65.0	35.0		0.3	15.0	0.3	0.3	100.0	0				1
SW-47	8/23/85	0° 0' E, 0° 0' N	4	5	1	360	1.5	16			8.0	5.0	77	4.0	0	15	61	40	5.0	0	6	9.0	0	35.0		0	45.0	2.0	0	75.0	0									1
SW-48	8/23/85	149° 17.74' W, 68° 37.11' N	3	8	6	315	1.8	16			7.0	5.0	40	2.5	0	10	33	21	0	0	6	6.0	65.0	10.0		0	35.0	1.0	1.0	100.0	0
SW-49	8/23/85	0° 0' E, 0° 0' N	2	5	6	338	1.5	11			9.0	4.0	66	4.0	0	15	52	42	7.0	0	6	9.0	55.0	5.0		0	35.0	1.0	0	85.0	0									2
SW-50	8/23/85	149° 17.67' W, 68° 37.14' N	2	8	6	270	2.0	16			6.5	4.0		1.5	0	20	47	34	0	0	6	7.0	0	30.0		40.0	10.0	2.0	5.0	60.0	0
SW-51	8/24/85	149° 17.73' W, 68° 37.18' N	3	8	20	315	2.0	16			4.0	6.0	16	2.3	0	7			1.0	0	5	3.0	0	75.0		0	1.0	0.3	60.0	25.0	0				1
SW-52	8/24/85	149° 17.67' W, 68° 37.19' N	2	1	30	200	3.7	16			3.0	2.0		2.5	0	5			10.0	1.0	5	2.0	0	50.0		0	1.0	10.0	25.0	13.0	0			1	1	1
SW-53	8/24/85	149° 17.69' W, 68° 37.2' N	2	1	20	225	3.5	16			3.0	1.5		3.5	0	3			35.0	50.0	5	3.0	0	35.0		0	1.0	5.0	20.0	3.0	0				1
SW-54	8/24/85	149° 17.68' W, 68° 37.21' N	1	1	15	270	4.0	16			3.0	1.0	1	4.0	0	3			5.0	65.0	5	2.0	0	40.0		0	1.0	4.0	10.0	1.0	0				1
SW-55	8/24/85	149° 17.7' W, 68° 37.22' N	2	1	25	338	2.0	3			5.0	7.0		2.5	0	20			0	0	0	5.0	0	80.0		0	3.0	5.0	40.0	90.0	0						2
SW-56	8/25/85	149° 17.68' W, 68° 37.23' N	2	1	35	360	2.5	3			4.0	7.1	76	1.5	0	20			0	0	5	5.0	5.0	60.0		0	3.0	2.0	10.0	100.0	0						3
SW-57	8/25/85	149° 17.46' W, 68° 37.24' N	2	1	20	360	2.5	3			4.0	6.0	67	1.5	0	10			0	0	5	6.0	0	65.0		0	1.0	10.0	45.0	85.0	0				1				1
SW-58A	8/25/85	149° 17.06' W, 68° 37.19' N	1	1	2	180	4.0	7			2.0	1.0	5	4.0	0	2			20.0	40.0	5	2.0	0	70.0		0	0.7	2.0	43.0	0.7	0
SW-58B	8/25/85	0° 0' E, 0° 0' N	1	1	2	180	4.0	7			2.0	1.0		4.0	0	2			0	95.0	6		0	0.0		0	0.3	1.0	10.0	0	0
SW-59	8/25/85	149° 17.19' W, 68° 37.12' N	2	8	10	225	2.0	16			5.0	5.5	87	1.5	0	10			1.0	0	1	6.0	0	80.0		0	5.0	10.0	30.0	25.0	0.7				1
SW-60	8/26/85	149° 17.38' W, 68° 37.15' N	2	8	25	180	2.5	16			4.0	5.0	34	1.5	0	15			0	0	5	2.0	0	70.0		0	3.0	2.0	30.0	35.0	0				1		1
SW-61	8/26/85	0° 0' E, 0° 0' N	2	8	10	270	2.0	16			6.5	4.0	75	1.2	0	20	43	23	0	0	7	6.5	5.0	35.0		45.0	10.0	2.0	1.0	65.0	0				1
SW-62	8/26/85	149° 17.47' W, 68° 37.06' N	2	8	2	315	2.0	16			7.0	4.0	29	1.0	0	20	42	26	0	0	7	6.5	5.0	20.0		45.0	10.0	2.0	1.0	75.0	0
SW-63	8/26/85	149° 18.07' W, 68° 36.96' N	1	2	2	90	2.0	1			1.5	4.0		1.0	0	25			0	95.0			0	0.0		0	0.1	0	80.0	15.0	0					1
SW-64	8/27/85	149° 19.43' W, 68° 36.99' N	1	2	0		2.0	1			1.5	3.5	33	1.0	0	50			0	95.0			0	0.3		0	0.3	0.3	75.0	3.0	0								1
SW-65	8/26/85	149° 19.11' W, 68° 37.08' N	12	10	0		1.0	18			10.0	4.0	43	2.0	0			30	30.0	0			0	0.0		0	0	40.0	0	0.3	0
SW-66	8/27/85	149° 19.08' W, 68° 36.98' N	4	10	0		1.0	18			10.0	4.0		4.0	0	10			10.0	0			0	0.0		0	0	70.0	0	0	0
SW-67	8/29/85	0° 0' E, 0° 0' N	11	7	0		2.0	5			5.0	4.0		1.0	0	15			0	0	9		5.0	70.0		3.0	0	0	50.0	90.0	0				1
SW-68	8/29/85	0° 0' E, 0° 0' N	4	5	2	90	1.5	16			5.0	5.0		4.0	0	10			0	0	6		0	20.0		0	75.0	5.0	0	40.0	0
SW-69	8/30/85	0° 0' E, 0° 0' N	1	8	0		2.0	7			6.5	4.0		5.0	99.0	5			98.0	0	6		0	0.3		0	2.0	0.3	0.3	0	0
SW-70	8/30/85	0° 0' E, 0° 0' N	1	8	0		2.0	7			6.0	4.0		5.0	99.0	5			99.0	0	6		0	0.3		0	0.3	0.3	0.7	0	0
SW-71	8/31/85	0° 0' E, 0° 0' N	2	8	2	90	2.0	7			7.0	4.5		5.0	90.0	10			90.0	0	6		0	0.0		5.0	7.0	0	0	0	0
SW-72	9/1/85	0° 0' E, 0° 0' N	2	1	30	350	1.5	3			4.0	7.3	122	1.5	0	25			0	50.0	0		0	30.0		0	0.7	2.0	10.0	60.0	0						3
SW-73	9/1/85	0° 0' E, 0° 0' N	3	8	5	25	1.5	16			6.0	7.3	137	2.0	0	5			5.0	20.0	6		0	70.0		0	7.0	6.0	5.0	30.0	1.0						3

*Scalar values (Exposure, Site Moisture, Est. Snow Duration, Stability, and Soil Moisture) are linked to Table 3. Legend for the environmental variables used in the R4D vegetation studies

**H=Human, F=Fox, Be=Bear, C=Caribou, S=Squirrel, L=Lemming/vole, M=Moose, Bi=Bird, I=Insect disturbance listed in that order

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