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Environmental Benchmark Studies in Casco Bay-Portland Harbor, Maine, April 1980 Citation Larsen, P.F., A.C. Johnson. L.F. Dogget and A. Pugh. 2009. Environmental Benchmark Studies in Casco Bay - Portland Harbor, Maine, April 1980. NOAA Technical Memorandum NMFS-F/NEC-19. 173 pp. https://marineinfo.org/id/dataset/4007 Availability: Unrestricted The data are freely available to anybody and may be used for any purpose. Usage acknowledgement may be required Description Data of macrobenthic communities of Casco Bay and Portland Harbor, Maine sampled in April 1980 in order to provide an environmental benchmark more The soft bottom macrobenthic communities of Casco Bay and Portland Harbor, Maine were sampled in April 1980 in order to provide an environmental benchmark. Fifty-six subtidal stations were occupied using a 0.1 m2 Smith-McIntyre grab. Depths ranged from 7 to 140 feet. Subsamples were taken for grain size, CHN, trace metal and hydrocarbon analyses. The samples were sieved on a 1.0 mm screen and the fauna removed and identified to the lowest taxonomic level possible. The results yielded 266 putative species several of which represented range extensions. Density ranged from 120 to 36,380/m2 with a mean of 8,743/m2. Total Distribution Records: 1847 Total Number of Taxa: 266 Related URL Scope Keywords: Marine/Coastal Contributor Bigelow Laboratory for Ocean Sciences, more, data owner URLs Dataset information: Dataset status: Completed Data type: Data Data origin: Data collection Metadatarecord created: 2012-12-21 Information last updated: 2012-12-21 | ||||
