{"id":3690,"date":"2020-06-02T11:45:31","date_gmt":"2020-06-02T09:45:31","guid":{"rendered":"https:\/\/www.ecoshape.org\/en\/knowledge-articles\/cause-effect-chain-modelling-of-sand-mining-using-mussels\/effects-of-increased-suspended-solid-concentrations-34\/"},"modified":"2020-10-13T13:32:05","modified_gmt":"2020-10-13T11:32:05","slug":"effects-of-increased-suspended-solid-concentrations-34","status":"publish","type":"knowledge-article","link":"https:\/\/www.ecoshape.org\/en\/knowledge-articles\/cause-effect-chain-modelling-of-sand-mining-using-mussels\/effects-of-increased-suspended-solid-concentrations-34\/","title":{"rendered":"Effects of increased suspended solid concentrations"},"content":{"rendered":"\n<p>During the dredging process a sand-water mixture is pumped up from the seabed into the hold of the dredging vessel. Although most of the sandy part of this mixture settles in the hold, the excess transport water containing fine sand particles flows back into the sea causing a \u2018dredging plume\u2019 near the dredging vessel. As a result of tidal currents and wave action, this dredging plume will be spread over a larger area. A direct effect of increased suspended particle concentrations in the water column is a higher turbidity level and less light penetration. This may affect phytoplankton productivity and consequently food supply to higher trophic levels. The actual impact may be local and restricted in time, although when dredging takes place at the seaward end of an estuary, for instance, a larger water mass may be affected. Potential ecological implications consist of significant decreases in biomass and productivity of phytoplankton, zooplankton and filter-feeding benthos such as&nbsp;<em>Mytilus edulis<\/em>. For instance, deposition of sediment layers of 1-2 cm thickness can result in increased mortality.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-style-default\"><img loading=\"lazy\" decoding=\"async\" width=\"656\" height=\"599\" src=\"https:\/\/www.ecoshape.org\/app\/uploads\/sites\/2\/2020\/05\/Miesmuscheln_Mytilus_1.jpg\" alt=\"\" class=\"wp-image-2592\" srcset=\"https:\/\/www.ecoshape.org\/app\/uploads\/sites\/2\/2020\/05\/Miesmuscheln_Mytilus_1.jpg 656w, https:\/\/www.ecoshape.org\/app\/uploads\/sites\/2\/2020\/05\/Miesmuscheln_Mytilus_1-300x274.jpg 300w\" sizes=\"auto, (max-width: 656px) 100vw, 656px\" \/><\/figure>\n\n\n\n<p>1. Effects of dredging on blue mussel&nbsp;<em>Mytilus edulis<\/em><br>2. Ecology of blue mussel&nbsp;<em>Mytilus edulis<\/em><br>3. Feeding and food selection by filter feeders<br><\/p>\n","protected":false},"author":2,"featured_media":0,"parent":3065,"menu_order":20,"template":"","class_list":["post-3690","knowledge-article","type-knowledge-article","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.5 (Yoast SEO v27.5) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Effects of increased suspended solid concentrations - EcoShape<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.ecoshape.org\/en\/knowledge-articles\/cause-effect-chain-modelling-of-sand-mining-using-mussels\/effects-of-increased-suspended-solid-concentrations-34\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Effects of increased suspended solid concentrations\" \/>\n<meta property=\"og:description\" content=\"During the dredging process a sand-water mixture is pumped up from the seabed into the hold of the dredging vessel. Although most of the sandy part of this mixture settles in the hold, the excess transport water containing fine sand particles flows back into the sea causing a \u2018dredging plume\u2019 near the dredging vessel. As [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.ecoshape.org\/en\/knowledge-articles\/cause-effect-chain-modelling-of-sand-mining-using-mussels\/effects-of-increased-suspended-solid-concentrations-34\/\" \/>\n<meta property=\"og:site_name\" content=\"EcoShape - EN\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/groups\/209018792453642\" \/>\n<meta property=\"article:modified_time\" content=\"2020-10-13T11:32:05+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.ecoshape.org\/app\/uploads\/sites\/2\/2020\/05\/Miesmuscheln_Mytilus_1.jpg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:site\" content=\"@ecoshapeBwn\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.ecoshape.org\\\/en\\\/knowledge-articles\\\/cause-effect-chain-modelling-of-sand-mining-using-mussels\\\/effects-of-increased-suspended-solid-concentrations-34\\\/\",\"url\":\"https:\\\/\\\/www.ecoshape.org\\\/en\\\/knowledge-articles\\\/cause-effect-chain-modelling-of-sand-mining-using-mussels\\\/effects-of-increased-suspended-solid-concentrations-34\\\/\",\"name\":\"Effects of increased suspended solid concentrations - EcoShape\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.ecoshape.org\\\/en\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/www.ecoshape.org\\\/en\\\/knowledge-articles\\\/cause-effect-chain-modelling-of-sand-mining-using-mussels\\\/effects-of-increased-suspended-solid-concentrations-34\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/www.ecoshape.org\\\/en\\\/knowledge-articles\\\/cause-effect-chain-modelling-of-sand-mining-using-mussels\\\/effects-of-increased-suspended-solid-concentrations-34\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.ecoshape.org\\\/app\\\/uploads\\\/sites\\\/2\\\/2020\\\/05\\\/Miesmuscheln_Mytilus_1.jpg\",\"datePublished\":\"2020-06-02T09:45:31+00:00\",\"dateModified\":\"2020-10-13T11:32:05+00:00\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/www.ecoshape.org\\\/en\\\/knowledge-articles\\\/cause-effect-chain-modelling-of-sand-mining-using-mussels\\\/effects-of-increased-suspended-solid-concentrations-34\\\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/www.ecoshape.org\\\/en\\\/knowledge-articles\\\/cause-effect-chain-modelling-of-sand-mining-using-mussels\\\/effects-of-increased-suspended-solid-concentrations-34\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/www.ecoshape.org\\\/en\\\/knowledge-articles\\\/cause-effect-chain-modelling-of-sand-mining-using-mussels\\\/effects-of-increased-suspended-solid-concentrations-34\\\/#primaryimage\",\"url\":\"https:\\\/\\\/www.ecoshape.org\\\/app\\\/uploads\\\/sites\\\/2\\\/2020\\\/05\\\/Miesmuscheln_Mytilus_1.jpg\",\"contentUrl\":\"https:\\\/\\\/www.ecoshape.org\\\/app\\\/uploads\\\/sites\\\/2\\\/2020\\\/05\\\/Miesmuscheln_Mytilus_1.jpg\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/www.ecoshape.org\\\/en\\\/knowledge-articles\\\/cause-effect-chain-modelling-of-sand-mining-using-mussels\\\/effects-of-increased-suspended-solid-concentrations-34\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/www.ecoshape.org\\\/en\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Knowledge Articles\",\"item\":\"https:\\\/\\\/www.ecoshape.org\\\/en\\\/knowledge-articles\\\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Cause &#8211; 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