Page 125 - 《水产学报》2025年第7期

郭浩宇，等 水产学报, 2025, 49(7): 079610

1 2
280 P 1 =0.02; P 2 =0.23; P 3 =0.96 0 Ctrl PS PE PP
*
210
总游动时间/s total swimming time 140 * 总游动时间/s total swimming time −120 *
−60

70

0 −180 *
Ctrl PS PE PP P 1 =0.03; P 2 =0.24; P 3 =0.36
1 2 −240
组别 组别
groups
groups
(a)
(a)
50 P 1 ＜0.01; P 2 =0.64; P 3 =0.08 1 2
0 Ctrl PS PE PP
40 * *
转体次数/次 number of turns 30 转体次数/次 number of turns −18
−9
20

10 −27 *

0 *
Ctrl PS PE PP −36 P 1 ＜0.01; P 2 =0.47; P 3 =0.60
1 2
组别 组别
groups 0 Ctrl 1 PS groups PE 2 PP
(b)
(b)
20
P 1 <0.01; P 2 =0.15; P 3 =0.70
Ⅰ、Ⅱ区转体次数/次 number of shifts between Area Ⅰ and Ⅱ 15 5 * * Ⅰ、Ⅱ区转体次数/次 number of shifts between Area Ⅰ and Ⅱ −12 *
−4
10
−8

*
0
PS
Ctrl
1
组别
组别
groups PE 2 PP −16 P 1 ＜0.01; P 2 =0.14; P 3 =0.17
groups
(c) (c)
图 4 物理丰容和捕食者胁迫对褐菖鲉幼鱼 图 5 物理丰容和捕食者胁迫对褐菖鲉幼鱼
冒险行为的影响 行为灵活性的影响
(a) 总游动时间，(b) 转体次数，(c)Ⅰ、Ⅱ区转体次数； P 1 .物理丰 Fig. 5 Effects of physical enrichment and predator
容影响，P 2 .捕食者胁迫影响，P 3 .物理丰容和捕食者胁迫交互作用；
stress on flexible behavior of juvenile S. marmoratus
“*”表示相同捕食者胁迫影响环境中不同丰容物处理组之间差异显
著 (P<0.05)。1. 无丰容物，2. 有丰容物，下同。
3 讨论
Fig. 4 Effects of physical enrichment and predator

stress on risk-taking behavior of juvenile S. marmoratus
3.1 物理丰容与捕食者胁迫对褐菖鲉幼鱼生长
(a) total swimming time, (b) number of turns, (c) number of shifts
between Area Ⅰ and Ⅱ; P 1 . physical enrichment, P 2 . predator stress, 的影响
P 3 . physical enrichment and predator stress interaction; "*" means signi-
生长状况可在一定程度上反映环境的适宜
ficant differences between different physical enrichment groups under
[31]
the same condition of predator stress (P<0.05). 1. without enrichments, 性及养殖鱼类的整体福利水平 。已有研究发
2. with enrichments, the same below.
现，通过增加物理丰容物提高养殖环境的空间
中国水产学会主办 sponsored by China Society of Fisheries https://www.china-fishery.cn
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