Effects of co-occurrence of invading Procambarus clarkii and Pomacea canaliculata on Vallisneria denseserrulata-dominated clear-water ecosystems: a mesocosm approach
文献类型：期刊论文
| 作者 | Gao, Jian; Yang, Cheng; Zhang, Zehui; Liu, Zhengwen; Jeppesen, Erik |
| 刊名 | KNOWLEDGE AND MANAGEMENT OF AQUATIC ECOSYSTEMS
 |
| 出版日期 | 2021 |
| 期号 | 422 |
| 英文摘要 | Single invaders often substantially alter ecosystems, but the potential impacts by multiple invaders remain understudied. The golden apple snail (Pomacea canaliculata) and the red swamp crayfish (Procambarus clarkii) are two widespread coinvaders. To test the effects of co-occurrence of the two species on a clear-water macrophyte state, we performed a 20-day experiment in 16 mesocosms (4 contained only two snails, 4 contained only two crayfishes, 4 contained two snails and two crayfishes, and 4 controls). Comparing with the control, the leaf length, number, and biomass of Vallisneria denseserrulata had decreased in the snail-only and crayfish-only treatments. In the crayfish-only treatment, total nitrogen, total phosphorus and total suspended solids had increased compared with the control, while they did not differ between the snail-only and the control treatment. Nutrients and turbidity concentrations did not differ between the snail + crayfish and the crayfish-only treatment, and plant biomass did not differ between the snail + crayfish and the snail-only treatment. These findings suggest that golden apple snails mainly affected the lake ecosystem by plant grazing, while red swamp crayfishes disturbed the sediment by increasing nutrients in the water and through resuspension. These snail and crayfish together had mainly additive effects on macrophyte and the physico-chemical variables studied. |
| 源URL | [http://159.226.73.51/handle/332005/20435]  |
| 专题 | 中国科学院南京地理与湖泊研究所 |
| 推荐引用方式 GB/T 7714 | Gao, Jian,Yang, Cheng,Zhang, Zehui,et al. Effects of co-occurrence of invading Procambarus clarkii and Pomacea canaliculata on Vallisneria denseserrulata-dominated clear-water ecosystems: a mesocosm approach[J]. KNOWLEDGE AND MANAGEMENT OF AQUATIC ECOSYSTEMS,2021(422). |
| APA | Gao, Jian,Yang, Cheng,Zhang, Zehui,Liu, Zhengwen,&Jeppesen, Erik.(2021).Effects of co-occurrence of invading Procambarus clarkii and Pomacea canaliculata on Vallisneria denseserrulata-dominated clear-water ecosystems: a mesocosm approach.KNOWLEDGE AND MANAGEMENT OF AQUATIC ECOSYSTEMS(422). |
| MLA | Gao, Jian,et al."Effects of co-occurrence of invading Procambarus clarkii and Pomacea canaliculata on Vallisneria denseserrulata-dominated clear-water ecosystems: a mesocosm approach".KNOWLEDGE AND MANAGEMENT OF AQUATIC ECOSYSTEMS .422(2021). |
入库方式： OAI收割
来源：南京地理与湖泊研究所
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