Heavy metal gradients from rural to urban lakes in central China

Ecological Processes

Table 1 Basic information of sampling lakes along a rural to urban gradient in central China

Group	Number	Lake name	Location	Area	Altitude (m)	Water depth	Air temperature	Water temperature
Group	Number	Lake name	Location	(ha)	Altitude (m)	(m)	(°C)	(°C)
A	1	Yuanjisi	Rural	556	39	12.3	32.2	28.6
	2	Wujiasi	Rural	80	85	5.8	29.4	28.0
	3	Daoguanhe	Rural	346	62	18.7	28.5	29.2
	4	Shaotanhe	Rural	68	62	13.8	32.4	30.1
B	1	Zhiyinhu	Rural	3000	10	2.6	33.2	28.6
	2	Houguanhu	Rural	3186	11	2.8	34.5	29.0
	3	Panlonghu	Rural	1467	53	4.3	31.5	30.2
	4	Zhushanhu	Rural	367	14	2.3	34.1	29.6
C	1	Zhongshan park	Urban	6	20	1.3	29.4	25.7
	2	Xiaonanhu park	Urban	4	20	1.7	31.4	28.8
	3	Lingjiaohu park	Urban	9	29	2.2	34.0	33.0
	4	Simeitang park	Urban	9	24	1.8	34.8	31.0
D	1	Ziyanghu	Urban	20	24	1.8	33.9	31.3
	2	Yangchunhu	Urban	58	16	1.3	25.9	24.9
	3	Yuehu	Urban	60	-4	1.7	34.0	30.9
	4	Tangrenhai	Urban	133	20	2.6	29.0	28.7
E	1	Longyanghu	Urban	1000	67	2.0	34.0	32.2
	2	Nantaizihu	Urban	659	13	1.1	31.3	29.3
	3	Huangjiahu	Urban	851	12	2.0	25.3	26.7
	4	Qinglinghu	Urban	600	17	1.7	24.7	27.2