Young scientist in Australia cited results of research at Moscow University, Sergei Ostroumov, environmental science, biology;
https://www.researchgate.net/publication/308986152
http://5bio5.blogspot.com/2016/10/young-scientist-in-australia-cited.html
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Herdmania momus (HERDMAN'S SEA SQUIRT):
Abundant on hard surfaces in harbors. Introduced to Hawai'i on ship hulls. Attains 2 inches. Worldwide in warm seas.
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https://www.researchgate.net/publication/308986152
http://5bio5.blogspot.com/2016/10/young-scientist-in-australia-cited.html
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New citations to articles in Sergei Ostroumov's profile. Australia.
[HTML] Influence of increased sediment exposure on suspension-feeder assemblages in a temperate seagrass meadow;
P Bouvais - 2016, Australia,
Abstract. The impact of increased sediment exposure on coastal marine ecosystems is one of
the most important contemporary environmental issues. Sediment exposure is defined as
the concentrations of sediment particles suspended in the water column and the amount...
the most important contemporary environmental issues. Sediment exposure is defined as
the concentrations of sediment particles suspended in the water column and the amount...
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cited publication:
Ostroumov, S.A., 2005. Suspension-feeders as factors influencing water quality in aquatic ecosystems. In: The comparative roles of suspension-feeders in ecosystems. pp. 147-164.
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Edith Cowan University is an Australian public university located in Perth, Western Australia. It was named after the first woman to be elected to an Australian Parliament, Edith Cowan, and is the only Australian university named after a woman.
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Date of Award
2016
Degree Type
Thesis
Degree Name
Doctor of Philosophy
School
School of Science
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Recommended Citation
Bouvais, P. (2016). Influence of increased sediment exposure on suspension-feeder assemblages in a temperate seagrass meadow. Retrieved from http://ro.ecu.edu.au/theses/1814
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ABSTRACT: Sessile suspension feeders perform a broad range of ecological functions (Cooper et al. 2011; Dame et al. 2001). They play a key role in benthic-pelagic coupling which has a significant influence in making organic matter and nutrients available to other marine organisms (Pile 2005; Ostroumov 2005; Dame et al. 2001). Increases in sediment loads to coastal ecosystems triggered by anthropogenic activities often result in elevated sedimentation rates and suspended sediment levels (Ellis et al. 2002). This sediment can negatively affect the health, abundance and distribution of benthic fauna and particularly sessile suspension feeders (Szostek et al. 2013; Bolam 2011; Ellis et al. 2002; Thrush & Dayton 2002; Long et al. 1995). The aim of this study was to test whether sessile suspension feeder composition and abundance showed patterns that reflected strong sedimentation gradient. Study sites were located within a seagrass meadow affected by sediment plumes induced by a local cement manufacturing company near Woodman Point, south of Fremantle, Western Australia. This location provided an opportunity to understand the mechanisms through which increased suspended sediment can affect suspension-feeder assemblages. Results indicate a persistent gradient of sedimentation defined by decreasing values with distance from the cement wash plant. Whereas high levels of sediment exposure were observed, results suggested that increased sediment exposure did not reach lethal and sub-lethal threshold levels, allowing suspension-feeder assemblages to cope with this anthropogenic stressor. From the higher abundance and biomass of Herdmania momus, Coelosphaera sp, Pinna bicolor, and Tethya sp observed at sites near the wash plant (200 and 500 m) and the absence of Tethya sp at reference sites, it seems plausible that some of the suspension feeder taxa benefit from the increased sediment exposure.
Herdmania momus
However, other species such as the ascidians Polycarpa veridis and Phalusia obesa were more abundant at sites away from the peak of sediment perturbation (800 m and reference sites), indicating that the nature of the influence of increased suspended sediment on suspension feeders is more likely to be species specific. Responses might depend on their feeding activity and the resilience of feeding mechanisms.
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The cited publication:
Ostroumov, S.A., 2005. Suspension-feeders as factors influencing water quality in aquatic ecosystems. In: The comparative roles of suspension-feeders in ecosystems. pp. 147-164.
Herdmania momus (HERDMAN'S SEA SQUIRT):
Abundant on hard surfaces in harbors. Introduced to Hawai'i on ship hulls. Attains 2 inches. Worldwide in warm seas.
The solitary ascidian Herdmania momus is one of the most commonly encountered species of ascidians. While commonly referred to simply as sea squirts, this name is ambiguous, as it can refer to any member of the sub-phylum Tunicata.Wikipedia
Scientific name: Herdmania momus
Pinna bicolor :
Pinna bicolor, also called the Common Razor Clam, is an edible bivalve found in the Indo-pacific oceans.
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Keywords:
Australia, cited, results of research, Moscow University, Sergei Ostroumov, environmental, science, biology, citation, coastal marine ecosystems, particles suspended, water,