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Environmental Effects of Marine Finfish Aquaculture
Environmental risks associated with large-scale marine finfish cage aquaculture cast doubt on the sustainability of the industry. This book divides the topic into its broad parts: Eutrophication; Sedimentation and Benthic Impacts; Changes in Trophic Structure and Function; and Managing Environmental Risks, and goes further to analyze methods and models currently used to measure near and far-field environmental effects of finfish mariculture and and their implications for management.
Phytoplankton Early Warning Approaches for Salmon Farmers in Southwestern New Brunswick
This project investigated the feasibility and cost-effectiveness of several potential early warning approaches for harmful algal blooms at salmon farms in southwestern New Brunswick (SWNB). The components of this 3-yr project included: training farm personnel on the sampling, identification, and counting of harmful algal species; implementation of high frequency phytoplankton monitoring by farm staff at selected salmon farms; retrospective statistical analyses of existing monitoring data; laboratory experiments to determine threshold concentrations of selected harmful algae which can cause problems for farmed salmon; use of a water to predict the movements of blooms which may affect salmon f...
Temporal and Spatial Characteristics of the Ciliate Mesodinium Rubrum in the Western Isles Region of the Bay of Fundy
The abundance of the ciliate Mesodinium rubrum has been monitored at five locations in the Bay of Fundy, eastern Canada, at weekly to monthly intervals since 1987. M. rubrum was present at all stations an average of 94% of the sampling dates from 1987 to 2004. The date for the first appearance of M. rubrum in a given year was inter-annually variable and ranged from January to April. Maximum concentrations occurred anywhere between May and October and tended to be earliest at Lime Kiln Bay and the Wolves and latest in the more inshore Passamaquoddy Bay stations and Deadmans Harbour. Brandy Cove, the most inshore station in Passamaquoddy Bay, had the highest concentrations, suggesting that thi...
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