Study on Water Environment Quality Monitoring and Cost Accounting of Lotus Root Shrimp Farming Model in Three Provinces

doi:10.11924/j.issn.1000-6850.casb2022-0705

Abstract

Abstract:

In order to effectively solve the problems of high pollution and high discharge in the current fishery aquaculture water body and ensure the quality and yield of aquatic products, this paper put forward the lotus root shrimp farming model. By measuring the main water quality indexes such as TP, TN, NH₃-N and Chl-a, the water environment quality and cost accounting of lotus root shrimp farming model of Hubei Province, Anhui Province and Jiangsu Province were analyzed and summarized. The results showed that TP, TN, Chl-a, COD_Mn and other physical and chemical indicators of water quality in the culture water showed an upward trend with the extension of aquaculture time. In the whole breeding process, the comprehensive nutritional status index of breeding water body increased first and then decreased. The economic benefits of Xinghua Shagou and Yangzhou Baoying (No. 3) lotus root-shrimp rotation pond were higher, and the environmental benefits of three ponds (named as No. 1/2/3) of Yangzhou Baoying lotus root-shrimp rotation pond were lower. The No. 3 lotus root-shrimp rotation pond in Yangzhou Baoying had a higher economic benefit, while the environmental benefit was lower than other detected ponds. From the perspective of comprehensive benefits, the lotus root shrimp farming model with crayfish breeding density of 300 kg/hm²and lotus root planting density of 4500 kg/hm² is recommended.

Key words: lotus root shrimp farming model, red swamp crayfish, water quality, nutritional status index

LIU Zhuping, ZHENG Yao, LIU Shaozhen, LIAO Heting, WANG Ning, MENG Shunlong, CHEN Jiazhang, AN Shuwei, GU Lingling. Study on Water Environment Quality Monitoring and Cost Accounting of Lotus Root Shrimp Farming Model in Three Provinces[J]. Chinese Agricultural Science Bulletin, 2023, 39(23): 127-137.

Figures/Tables 7

References 38

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指标	位点
指标	A1		A2		A3		H1		H2		H3		H4	H5
WT/℃	16.70±0.10^d		23.53±0.15^b		26.13±0.25^a		19.33±0.06^c		19.17±0.06^c		15.43±0.25^e		15.23±0.06^f	15.57±0.25^e
pH	6.85±0.02^d		6.67±0.02^e		7.88±0.02b		7.92±0.03^a		7.76±0.02^c		7.87±0.02^b		7.91±0.02^a	7.78±0.04^c
DO/(mg/L)	7.13±0.06^e		6.13±0.15^f		8.57±0.06^a		7.13±0.06^e		7.40±0.10^d		7.77±0.15^b		7.63±0.06^bc	7.57±0.15^cd
SD/m	0.28±0.01^ab		0.30±0.02^a		0.27±0.01^b		0.28±0.01^ab		0.27±0.02^b		0.23±0.02^d		0.27±0.02^bc	0.25±0.02^cd
TSS/(mg/L)	4.33±1.53^g	152.33±3.51^b		33.67±1.53^e		40.33±1.53^d		10.33±0.53^f		274.33±4.51^a		43.67±3.51^cd			45.67±1.53^c
NH₃-N/(mg/L)	3.00±0.05^b	3.30±0.03^a		0.86±0.02^e		0.55±0.01^f		1.20±0.04^d		1.44±0.03^c		0.37±0.01^g			0.86±0.04^e
TN/(mg/L)	7.05±0.03^b	7.32±0.13^a		0.41±0.01^f		1.17±0.04^d		1.01±0.05^e		1.37±0.12^c		0.26±0.01^g			1.44±0.15^c
TP/(mg/L)	3.92±0.03^b	4.20±0.07^a		0.48±0.001^c		0.17±0.01^d		0.06±0.00^e		0.18±0.02^d		0.07±0.00^e			0.53±0.06^c
Chl-a/(mg/L)	18.06±0.16^b	13.76±0.24^c		4.82±0.05^cd		5.62±0.18^c		3.28±0.15^e		31.40±2.83^a		6.22±0.45^c			6.35±0.57^c
COD_Mn/(mg/L)	25.74±0.23^a	9.11±0.16^e		12.67±0.13^c		10.30±0.35^de		9.50±0.45^e		11.09±1.00^d		11.48±0.84^cd			16.24±1.46^b
NO₃^－-N/(mg/L)	0.0432±0.0004^e	0.0486±0.0009^e		0.0587±0.0005^d		1.5308±0.0538^a		1.5708±0.0738^a		1.4786±0.1331^ab		1.3568±0.0990^bc			1.2524±0.1127^c
NO₂^－-N/(mg/L)	0.0127±0.0001^b	0.0142±0.0002^b		0.0073±0.0001^c		0.0462±0.0016^a		0.0437±0.0021^a		0.0410±0.0037^a		0.0451±0.0033^a			0.0456±0.0041^a

指标	位点
指标	A1		A2		A3		H1		H2		H3		H4	H5
WT/℃	16.70±0.10^d		23.53±0.15^b		26.13±0.25^a		19.33±0.06^c		19.17±0.06^c		15.43±0.25^e		15.23±0.06^f	15.57±0.25^e
pH	6.85±0.02^d		6.67±0.02^e		7.88±0.02b		7.92±0.03^a		7.76±0.02^c		7.87±0.02^b		7.91±0.02^a	7.78±0.04^c
DO/(mg/L)	7.13±0.06^e		6.13±0.15^f		8.57±0.06^a		7.13±0.06^e		7.40±0.10^d		7.77±0.15^b		7.63±0.06^bc	7.57±0.15^cd
SD/m	0.28±0.01^ab		0.30±0.02^a		0.27±0.01^b		0.28±0.01^ab		0.27±0.02^b		0.23±0.02^d		0.27±0.02^bc	0.25±0.02^cd
TSS/(mg/L)	4.33±1.53^g	152.33±3.51^b		33.67±1.53^e		40.33±1.53^d		10.33±0.53^f		274.33±4.51^a		43.67±3.51^cd			45.67±1.53^c
NH₃-N/(mg/L)	3.00±0.05^b	3.30±0.03^a		0.86±0.02^e		0.55±0.01^f		1.20±0.04^d		1.44±0.03^c		0.37±0.01^g			0.86±0.04^e
TN/(mg/L)	7.05±0.03^b	7.32±0.13^a		0.41±0.01^f		1.17±0.04^d		1.01±0.05^e		1.37±0.12^c		0.26±0.01^g			1.44±0.15^c
TP/(mg/L)	3.92±0.03^b	4.20±0.07^a		0.48±0.001^c		0.17±0.01^d		0.06±0.00^e		0.18±0.02^d		0.07±0.00^e			0.53±0.06^c
Chl-a/(mg/L)	18.06±0.16^b	13.76±0.24^c		4.82±0.05^cd		5.62±0.18^c		3.28±0.15^e		31.40±2.83^a		6.22±0.45^c			6.35±0.57^c
COD_Mn/(mg/L)	25.74±0.23^a	9.11±0.16^e		12.67±0.13^c		10.30±0.35^de		9.50±0.45^e		11.09±1.00^d		11.48±0.84^cd			16.24±1.46^b
NO₃^－-N/(mg/L)	0.0432±0.0004^e	0.0486±0.0009^e		0.0587±0.0005^d		1.5308±0.0538^a		1.5708±0.0738^a		1.4786±0.1331^ab		1.3568±0.0990^bc			1.2524±0.1127^c
NO₂^－-N/(mg/L)	0.0127±0.0001^b	0.0142±0.0002^b		0.0073±0.0001^c		0.0462±0.0016^a		0.0437±0.0021^a		0.0410±0.0037^a		0.0451±0.0033^a			0.0456±0.0041^a

共作点	月份	位点	TLI(TN)	TLI(TP)	TLI(Chl.a)	TLI(COD_Mn)	TLI(SD)	TLI(∑)	营养状态等级
Y	5月	LR	53.48	55.25	25.39	55.78	73.29	50.39	轻度富营养
		RS	52.38	60.62	35.53	48.10	66.67	51.28	轻度富营养
		LSP1	54.64	60.62	42.39	51.78	69.95	54.79	轻度富营养
		LSP2	52.17	63.55	42.21	49.30	71.55	54.68	轻度富营养
		LSC1	65.14	58.08	26.37	51.14	69.45	51.71	轻度富营养
		LSC2	50.54	55.25	27.25	55.23	72.11	50.04	轻度富营养
		LSC3	50.32	59.93	27.51	53.73	78.07	51.77	轻度富营养
		LSC4	53.30	53.34	29.04	51.14	72.11	49.90	中营养
	6月	LR	50.96	68.15	27.88	52.18	75.88	52.84	轻度富营养
		RS	48.90	77.74	35.38	45.22	69.95	53.90	轻度富营养
		LSP1	58.36	92.18	35.53	52.10	71.55	59.90	轻度富营养
		LSP2	49.88	92.47	35.21	48.64	72.11	57.82	轻度富营养
		LSC1	74.60	104.77	40.06	57.45	72.11	67.47	中度富营养
		LSC2	76.59	104.95	43.02	40.24	71.55	65.39	中度富营养
		LSC3	75.36	103.54	42.50	50.69	70.47	66.48	中度富营养
		LSC4	74.39	104.61	42.30	47.77	69.45	65.74	中度富营养
	7月	LR	67.80	107.11	59.60	80.00	77.31	76.98	重度富营养
		RS	73.91	59.95	58.95	90.61	72.11	70.04	重度富营养
		LSP1	83.01	108.04	58.93	78.89	74.54	78.99	重度富营养
		LSP2	81.97	112.07	58.75	76.52	75.19	79.20	重度富营养
		LSC1	77.94	88.58	58.77	84.02	73.90	75.21	重度富营养
		LSC2	81.92	90.82	58.88	89.11	73.29	77.19	重度富营养
		LSC3	76.32	89.96	58.65	90.61	74.54	76.47	重度富营养
		LSC4	76.04	90.53	59.31	90.70	78.87	77.52	重度富营养
	9月	LR	61.84	77.31	61.42	77.74	76.58	70.25	重度富营养
	9月	RS	49.66	42.09	59.20	69.49	75.88	59.22	轻度富营养

共作点	月份	位点	TLI(TN)	TLI(TP)	TLI(Chl.a)	TLI(COD_Mn)	TLI(SD)	TLI(∑)	营养状态等级
Y	5月	LR	53.48	55.25	25.39	55.78	73.29	50.39	轻度富营养
		RS	52.38	60.62	35.53	48.10	66.67	51.28	轻度富营养
		LSP1	54.64	60.62	42.39	51.78	69.95	54.79	轻度富营养
		LSP2	52.17	63.55	42.21	49.30	71.55	54.68	轻度富营养
		LSC1	65.14	58.08	26.37	51.14	69.45	51.71	轻度富营养
		LSC2	50.54	55.25	27.25	55.23	72.11	50.04	轻度富营养
		LSC3	50.32	59.93	27.51	53.73	78.07	51.77	轻度富营养
		LSC4	53.30	53.34	29.04	51.14	72.11	49.90	中营养
	6月	LR	50.96	68.15	27.88	52.18	75.88	52.84	轻度富营养
		RS	48.90	77.74	35.38	45.22	69.95	53.90	轻度富营养
		LSP1	58.36	92.18	35.53	52.10	71.55	59.90	轻度富营养
		LSP2	49.88	92.47	35.21	48.64	72.11	57.82	轻度富营养
		LSC1	74.60	104.77	40.06	57.45	72.11	67.47	中度富营养
		LSC2	76.59	104.95	43.02	40.24	71.55	65.39	中度富营养
		LSC3	75.36	103.54	42.50	50.69	70.47	66.48	中度富营养
		LSC4	74.39	104.61	42.30	47.77	69.45	65.74	中度富营养
	7月	LR	67.80	107.11	59.60	80.00	77.31	76.98	重度富营养
		RS	73.91	59.95	58.95	90.61	72.11	70.04	重度富营养
		LSP1	83.01	108.04	58.93	78.89	74.54	78.99	重度富营养
		LSP2	81.97	112.07	58.75	76.52	75.19	79.20	重度富营养
		LSC1	77.94	88.58	58.77	84.02	73.90	75.21	重度富营养
		LSC2	81.92	90.82	58.88	89.11	73.29	77.19	重度富营养
		LSC3	76.32	89.96	58.65	90.61	74.54	76.47	重度富营养
		LSC4	76.04	90.53	59.31	90.70	78.87	77.52	重度富营养
	9月	LR	61.84	77.31	61.42	77.74	76.58	70.25	重度富营养
	9月	RS	49.66	42.09	59.20	69.49	75.88	59.22	轻度富营养

共作点	月份			位点			TLI(TN)			TLI(TP)			TLI(Chl.a)			TLI(COD_Mn)					TLI(SD)			TLI(∑)			营养状态等级
Y	9月			LSP1			55.68			70.49			60.56			70.27					73.29			65.67			中度富营养
				LSP2			55.99			69.02			59.67			71.05					73.90			65.46			中度富营养
				LSC1			58.97			73.10			61.13			76.53					73.90			68.16			中度富营养
				LSC2			53.66			42.09			57.72			72.52					73.29			59.63			轻度富营养
				LSC3			53.84			70.49			58.80			71.07					72.69			64.91			中度富营养
				LSC4			52.17			77.31			59.12			72.18					73.90			66.40			中度富营养
	10月			LR			49.20			59.93			62.13			65.11					78.07			62.87			中度富营养
				RS			47.49			42.09			63.84			53.36					80.55			57.97			轻度富营养
				LSP1			51.17			105.70			46.57			65.10					76.94			67.47			中度富营养
				LSP2			57.19			77.77			51.55			70.28					77.31			65.65			中度富营养
				LSC1			46.16			61.23			53.77			69.49					75.19			60.62			中度富营养
				LSC2			49.88			56.97			55.72			62.09					73.90			59.41			轻度富营养
				LSC3			43.45			59.93			57.47			58.69					74.54			58.78			轻度富营养
				LSC4			50.10			61.23			55.53			64.14					73.90			60.58			中度富营养
X		5月			SG1			71.86			100.91			55.28			72.06		76.58			73.81			重度富营养
					SG2			60.00			96.65			44.73			63.41		75.19			66.23			中度富营养
					SG3			57.10			87.36			53.50			60.14		75.88			65.83			中度富营养
		6月			SG1			98.16			124.51			73.13			76.52		79.69			89.09			重度富营养
					SG2			92.69			122.50			76.49			71.05		81.46			87.95			重度富营养
					SG3			95.89			130.75			60.31			80.00		78.07			86.78			重度富营养
		7月			SG1			97.27			119.71			63.01			85.83		78.87			86.89			重度富营养
					SG2			99.26			122.34			63.88			85.83		81.46			88.45			重度富营养
					SG3			99.15			126.51			62.37			87.52		78.07			88.50			重度富营养
		9月			SG1			94.91			123.02			68.47			69.48		79.69			85.70			重度富营养
					SG2			77.88			113.09			51.63			72.53		78.07			76.56			重度富营养
					SG3			75.26			116.74			52.69			84.49		78.87			79.40			重度富营养
A			3月			A1			87.62			116.54			56.43			87.52		75.88			82.58			重度富营养
			6月			A1			88.24			117.67			53.47			59.87		74.54			76.80			重度富营养
			10月			A1			39.45			82.61			42.08			68.66		76.58			60.42			中度富营养
H			10月			H1			57.15			65.72			43.74			63.14		75.88			59.72			轻度富营养
			10月			H2			54.76			49.73			37.90			61.01		76.58			54.47			轻度富营养
			11月			H3			59.86			66.50			62.43			65.11		79.69			66.39			中度富营养
						H4			31.84			50.40			44.84			66.04		76.58			53.27			轻度富营养
						H5			60.76			84.12			45.07			75.26		78.07			66.80			中度富营养