Description

This dataset reports on lobster abundance and individual biological characteristics (size, sex, shell hardness, egg status), along with seabed substrate information, collected at various coastal sites in the Bay of Fundy, Canada. Surveys were conducted over a 40-year period between 1982 and 2021. Survey areas and SCUBA dive sites were located around Grand Manan Island, Deer Island, Campobello Island, and along the Bay of Fundy’s New Brunswick shore stretching from Passamaquoddy Bay, east to Maces Bay. One survey area was located on the Bay of Fundy’s southern shore (Nova Scotia) in the Annapolis Basin (Lawton et al. 1995). The data represent a compilation of SCUBA diving surveys (1003 belt transects) conducted directly by Fisheries and Oceans Canada (DFO) scientific SCUBA divers (1982-2019), or by contracted commercial divers funded in association with outside collaborating organizations; Department of Fisheries and Agriculture (DFA; 1990 – 1993), the Grand Manan Fishermen’s Association (GMFA; 2013-2015), and the University of New Brunswick (UNB; 2019-2021). Cite this data as: Lawton P, Dinning K, Rochette R, Teed L. American lobster (Homarus americanus) abundance and biological characteristics collected from SCUBA dive surveys in the Bay of Fundy from 1982-2021. Published August 2024. Coastal Ecosystems Science Division, Fisheries and Oceans Canada, St. Andrews, N.B. For additional information please see: Campbell, A. 1990. Aggregations of berried lobsters (Homarus americanus) in shallow waters off Grand Manan, eastern Canada. DFO Can. J. Fish. Aquat. Sci. 47: 520-523. Denton, C.M. 2020. Maritimes Region Inshore Lobster Trawl Survey Technical Description. DFO Can. Tech. Rep. Fish. Aquat. Sci. 3376: v + 52 p. Lawton, P. 1993. Salmon aquaculture and the traditional invertebrate fisheries of the Fundy Isles region: habitat mapping and impact definition: Cooperation Agreement on Fisheries and Aquaculture Development. Submitted by Peter Lawton to the New Brunswick Department of Fisheries and Aquaculture, 84 p. Unpublished monograph. Available from Fisheries and Oceans Canada Library, Dartmouth, NS (Monographs: SH 380.2 .C2 .L39 1992). https://science-catalogue.canada.ca/record=3943769~S6 Lawton, P., Robichaud, D.A., and Moisan, M. 1995. Characteristics of the Annapolis Basin, Nova Scotia, lobster fishery in relation to proposed marine aquaculture development. DFO Can. Tech. Rep. Fish. Aquat. Sci. 2035: iii + 26 p. Lawton, P., Robichaud, D.A., Rangeley, R.W., and Strong, M.B. 2001. American Lobster, Homarus americanus, population characteristics in the lower Bay of Fundy (Lobster Fishing Areas 36 and 38) based on fishery independent sampling. DFO Can. Sci. Advis. Sec. Res. Doc. 2001/093. Wentworth, C.K. 1922. A Scale of Grade and Class Terms for Clastic Sediments. The Journal of Geology 30(5): 377-392. Dinning, K.M., Lawton, P., and Rochette, R. 2025. Increased use of mud bottom by juvenile American lobsters (Homarus americanus) in Maces Bay and Seal Cove, Bay of Fundy, after three decades of population increases and predator declines. Canadian Journal of Fisheries & Aquatic Sciences 82; https://doi.org/10.1139/cjfas-2023-0312

Resources

Name	Format	Description	Link
Biological data of American Lobster Survey in the Bay of Fundy from 1982 to 2021	CSV		https://api-proxy.edh-cde.dfo-mpo.gc.ca/catalogue/records/e2e64fd9-a7fb-42f4-b431-6f71611b79ac/attachments/AmericanLobster_Survey_BayOfFundy_Biological_1982_2021.csv
Sections of American Lobster Survey in the Bay of Fundy Transect from 1982 to 2021	CSV		https://api-proxy.edh-cde.dfo-mpo.gc.ca/catalogue/records/e2e64fd9-a7fb-42f4-b431-6f71611b79ac/attachments/AmericanLobster_Survey_BayOfFundy_Sections_1982_2021.csv
Transects of American Lobster Survey in the Bay of Fundy Transect from 1982 to 2021	CSV		https://api-proxy.edh-cde.dfo-mpo.gc.ca/catalogue/records/e2e64fd9-a7fb-42f4-b431-6f71611b79ac/attachments/AmericanLobster_Survey_BayOfFundy_Transect_1982_2021.csv
Transects of American Lobster Survey in the Bay of Fundy Transect from 1982 to 2021	Unknown		https://api-proxy.edh-cde.dfo-mpo.gc.ca/catalogue/records/e2e64fd9-a7fb-42f4-b431-6f71611b79ac/attachments/American_Lobster_Survey_BayOfFundy_Transect_1982_2021.zip
Data dictionary.	CSV		https://api-proxy.edh-cde.dfo-mpo.gc.ca/catalogue/records/e2e64fd9-a7fb-42f4-b431-6f71611b79ac/attachments/Data_Dictionary.csv
American lobster (Homarus americanus) abundance and biological characteristics collected from SCUBA dive surveys in the Bay of Fundy from 1982-2021	Ersi REST		https://egisp.dfo-mpo.gc.ca/arcgis/rest/services/open_data_donnees_ouvertes/american_lobster_abundance_and_characteristics_bay_of_fundy_1982_2021/MapServer
American lobster (Homarus americanus) abundance and biological characteristics collected from SCUBA dive surveys in the Bay of Fundy from 1982-2021	Ersi REST		https://egisp.dfo-mpo.gc.ca/arcgis/rest/services/open_data_donnees_ouvertes/american_lobster_abundance_and_characteristics_bay_of_fundy_1982_2021/MapServer

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