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Although seagrass communities have been well-studied in the field, a quantification of their food-web structure and functioning, and how these change across space and human impacts has been lacking. Seagrass beds provide important habitat for a wide range of marine species but are threatened by multiple human impacts in coastal waters. Scientists estimate that if there are a million producers (algae, phytoplankton, and sea grass) in a food web, there may only be 10,000 herbivores. Copepods - Phylum arthropoda. •Pressures to seagrass food webs include; overfishing, seagrass die-offs, algal blooms, and poor water quality. Marine food webs are usually longer than terrestrial food webs. These pressures can cause the seagrass food web to become unbalanced. These pressures can cause the seagrass food web to become unbalanced. However, identifying factors that structure seagrass food webs and drive the flow of energy within them remain a key frontier in a rapidly changing world. Trophic transfer of seagrass, however, is not restricted to shallow coastal zones with evidence from the Atlantic indicating that seagrass may subsidize whole food webs (and therefore fisheries productivity) in the deep sea (Wolff, 1976, 1980). Honors Biology. Mar Pollut Bull. Secondary Consumers. Trophic transfer of metals in a seagrass food web: Bioaccumulation of essential and … Epub 2018 Apr 30. Seagrass Beds Food Web! 2018 Jun;131(Pt A):468-480. doi: 10.1016/j.marpolbul.2018.04.046. The three seagrass systems in Maqueda Channel, Caramoan Peninsula are composed of 23-24 functional groups with effective trophic levels ranging from 1.00 to 3.76. Primary Consumers. Mrs. Olsen. Send us a photo of your activity to smseducation@si.edu or share with us on social media @SmithsonianSMS by using #myseagrassfoodweb WRAP UP Seagrass meadow food web - Coastal/Marine - Photo (JPG) The IAN/UMCES Symbol and Image Libraries are provided completely cost and royalty free for any use, with attribution, except redistribution or sales. the food web structure. Anchovy - Engraulidae European anchovy - Engraulis encrasicolus. Such a food web may support 100 secondary consumers, such as tuna. Sediment was also not considered in the food web system analyses as few organisms directly ingest sediments. Send us a photo of your activity to smseducation@si.edu or share with us on social media @SmithsonianSMS by using #myseagrassfoodweb WRAP UP Although seagrass communities have been well-studied in the field, a quantification of their food-web structure and functioning, and how these change across space and human impacts has been lacking. The project's main goal is to leverage a critical understanding of different visualization methods, across a series of disciplines, as diverse as Biology, Social Networks or the World Wide Web. All these organisms support only one apex predator, such as a person. The food web models provided the basic and informative descriptions of seagrass community showing their feeding relationships. Phytoplankton - Plankton. the food web structure. VisualComplexity.com is a unified resource space for anyone interested in the visualization of complex networks. 1. Food Web Project. Eelgrass - Zostera Marina. The seagrass species Zostera capricorni and mangrove species Avicennia marina were excluded from the subsequent food web analyses as δ 13 C isotopes showed that they did not contribute significantly to the food web. •Pressures to seagrass food webs include; overfishing, seagrass die-offs, algal blooms, and poor water quality. Primary Producers. 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