泥炭地特征性环境因子促进泥炭藓持久孢子库的形成

冯璐,卜兆君,吴玉环,刘莎莎,刘超

Characteristic environmental factors in peatlands facilitate the formation of persistent Sphagnum spore banks

FENG Lu,BU Zhao-Jun,WU Yu-Huan,LIU Sha-Sha,LIU Chao

表1 不同保存液和不同充气速率处理中的溶解氧浓度(DO)、pH值和氧化还原电位(Eh)(平均值±标准误差, n = 3)

Table 1 Dissolved oxygen concentration (DO), pH value and redox potential (Eh) in different water storage solutions with or without air injection (mean ± SE, n = 3)

		DO (mg·L^-1)	pH	Eh (mV)
超纯水 Ultrapure water	不充气 Control	8.91 ± 0.02^Ab	5.36 ± 0.04^Bb	196.7 ± 3.9^Bb
	低速率充气 Low	8.84 ± 0.02^c	5.24 ± 0.06^b	191.0 ± 5.0^b
	高速率充气 High	9.09 ± 0.01^a	5.55 ± 0.07^a	206.2 ± 1.0^a
泥炭地地表水 Peatland surface water	不充气 Control	6.91 ± 0.02^Cc	5.80 ± 0.02^A	181.2 ± 3.7^Cc
	低速率充气 Low	9.60 ± 0.04^b	7.47 ± 0.06^a	192.8 ± 1.4^b
	高速率充气 High	10.08 ± 0.03^a	7.19 ± 0.01^b	198.6 ± 1.6^a
中位泥炭藓沥出液 Leachate water of Sphagnum magellanicum	不充气 Control	7.52 ± 0.17^Bc	4.96 ± 0.06^Cc	247.1 ± 2.5^Aa
	低速率充气 Low	9.70 ± 0.02^b	5.91 ± 0.09^b	196.6 ± 5.8^b
	高速率充气 High	10.25 ± 0.02^a	6.14 ± 0.01^b	183.9 ± 0.4^c