Interactions of Soil Order and Land Use Management on Soil Properties in the Kukart Watershed, Kyrgyzstan

Table 4

Enzyme activities (mg PN kg⁻¹ soil h⁻¹) for the Kukart watershed sites of Kyrgyzstan^a.

Land use	Site name	Depth (cm)	C cycling	C&N cycling	P cycling			S cycling
			β-Gluc	β-Glucm	Acid phos	Alk phos	Phosphod	Aryl
Forest	Suzak (SU1)	0–2	809.5	51.0	286.4	1021.5	560.9	115.4
		2–14	38.3	8.8	22.9	67.3	17.6	5.3
		14–52	16.0	10.6	17.9	59.0	33.7	8.7
		52–105	7.6	7.5	12.0	36.0	26.0	8.1
		105–165	5.3	5.6	2.8	6.6	8.0	1.7
	Kara-Alma (KA1)	0–2	807.6	189.9	397.4	1441.5	746.2	498.9
		2–13	1137.5	87.6	422.3	1033.0	742.1	393.3
		13–48	135.1	14.7	114.7	244.6	222.1	114.3
		48–120	27.1	4.0	29.8	76.5	43.8	33.5
		120–165	19.3	2.1	26.0	57.5	85.2	19.6
	Kara-Alma (KA2)	0–4	1235.9	298.5	712.7	1809.8	714.2	439.2
		4–18	546.9	106.0	897.7	757.8	754.5	493.4
		18–57	74.6	7.3	272.5	283.9	225.9	158.3
		57–91	17.8	10.9	59.8	27.7	41.7	15.3
		91–130	14.7	1.7	27.7	18.7	11.9	4.8
		130–185	11.1	14.4	18.0	8.1	15.4	2.2
Pasture	Kyzyl-Senir (KSr)	0–2	428.7	43.3	176.2	594.3	303.6	81.3
		2–13	209.3	34.5	81.8	285.5	177.7	34.9
		13–44	25.7	11.2	21.0	72.7	53.4	18.4
		44–86	7.4	6.2	2.4	20.5	11.5	3.5
		86–170	2.0	2.9	1.3	9.6	5.3	2.4
	Kalmak Kyrchyn (KK1)	0–3	323.6	45.7	146.8	276.0	258.9	77.1
		3–17	25.4	7.7	24.3	54.6	40.1	9.8
		17–38	16.4	6.8	24.9	32.2	21.0	11.7
		38–63	33.9	9.2	35.5	79.2	49.1	21.4
		63–91	64.6	13.7	70.9	109.0	79.1	48.5
		91–120	11.1	6.9	21.1	29.9	16.4	6.5
		120–140	3.8	4.5	19.6	34.3	16.2	7.9
		140–180	1.4	3.7	10.6	2.0	2.7	1.4
	Kyzyl-Suu (KSu)	0–15	513.6	58.2	978.3	431.3	467.4	381.2
		15–28	77.5	25.6	371.7	340.9	212.7	160.8
		28–50	24.5	8.6	134.0	174.0	107.9	56.6
Cultivated	Suzak (Su2)	0–14	69.8	11.9	228.9	162.1	83.4	23.4
		14–30	22.8	5.8	42.7	84.5	53.9	14.0
		30–50	3.3	4.2	31.5	80.4	67.7	9.1
	Taigara (Tai)	0–34	79.7	9.8	63.5	166.4	107.5	28.2
		34–59	29.6	11.8	37.5	83.8	55.2	14.7
		59–98	12.8	6.4	12.0	68.6	32.7	11.5
	Kalmak-Kyrchyn (KK2)	0–14	202.2	30.6	141.1	337.6	214.6	101.0
		14–30	60.9	18.8	135.9	212.5	127.8	85.3
		30–50	18.0	6.7	36.3	104.6	46.3	23.1

^aPN: p-nitrophenol; β-Gluc: β-glucosidase; β-Glucm: β-glucosaminidase; Acid phos: acid phosphatase; Alk phos: alkaline phosphatase; Phosphod: phosphodiesterase; Aryl: arylsulfatase.