Global S&T Development Trend Analysis Platform of Resources and Environment
DOI | 10.1029/2018WR023112 |
Flow, Flux, and Feeding n Freshwater Mussels | |
Mistry, Rakesh; Ackerman, Josef D. | |
2018-10-01 | |
发表期刊 | WATER RESOURCES RESEARCH |
ISSN | 0043-1397 |
EISSN | 1944-7973 |
出版年 | 2018 |
卷号 | 54期号:10页码:7619-7630 |
文章类型 | Article |
语种 | 英语 |
国家 | Canada |
英文摘要 | Unionid mussels are important constituents of aquatic systems that are affected by anthropogenic changes in hydrology and concomitant increases in suspended solids, yet little is known about the effects of flow on their suspension feeding. We examined the clearance rates (CRs) of four species of freshwater mussels (Lampsilis siliquoidea, Lampsilis fasciola, Ligumia nasuta, and Villosa iris) to determine whether they feed selectively on river seston and how this may vary with algal flux (concentration x velocity). The CR for the Lampsilis species was also determined using seston particle size, particle fluorescence, and algal taxon. The CR of all species increased linearly with flow chamber velocity, but exhibited saturation-like kinetics with increasing algal flux. The CRs of Lampsilis species were higher for larger (>10 mu m) versus smaller (<10 mu m) particles, the latter of which were numerically dominant in river seston. The CR of Lampsilis mussels on most of the algal taxa declined (linearly or nonlinearly) with algal flux indicating that mussels have reduced ability to discriminate among algae at higher flux. This potential feeding limitation could affect mussel growth and survival and make unionids vulnerable to the aforementioned hydrological changes. Ecologically, differential use of algal taxa under different algal flux indicates selective feeding, which may be evidence of resource partitioning for mussel species that occupy the same rivers. The differential use of algal taxa under different algal flux within a mussel species indicates the complex nature of bivalve feeding, their habitat requirements, and their vulnerability to human impacts. |
领域 | 资源环境 |
收录类别 | SCI-E |
WOS记录号 | WOS:000450726000028 |
WOS关键词 | DREISSENA-POLYMORPHA ; PARTICLE SELECTION ; FILTRATION-RATE ; FUNCTIONAL-ROLE ; ZEBRA MUSSELS ; FOOD QUALITY ; PHYTOPLANKTON ; BIVALVES ; COMPETITION ; CLEARANCE |
WOS类目 | Environmental Sciences ; Limnology ; Water Resources |
WOS研究方向 | Environmental Sciences & Ecology ; Marine & Freshwater Biology ; Water Resources |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/21407 |
专题 | 资源环境科学 |
作者单位 | Univ Guelph, Dept Integrat Biol, Guelph, ON, Canada |
推荐引用方式 GB/T 7714 | Mistry, Rakesh,Ackerman, Josef D.. Flow, Flux, and Feeding n Freshwater Mussels[J]. WATER RESOURCES RESEARCH,2018,54(10):7619-7630. |
APA | Mistry, Rakesh,&Ackerman, Josef D..(2018).Flow, Flux, and Feeding n Freshwater Mussels.WATER RESOURCES RESEARCH,54(10),7619-7630. |
MLA | Mistry, Rakesh,et al."Flow, Flux, and Feeding n Freshwater Mussels".WATER RESOURCES RESEARCH 54.10(2018):7619-7630. |
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