2016 Nova Scotia Herring Die-off and Herring Fishery v2025 01 10

Atlantic Herring

Clupea harengus, a pelagic schooling fish that plays a crucial role in marine ecosystems.

Die-off

A significant and sudden reduction in the population of a species, often due to environmental stresses or disease.

Primary productivity

Production of organic compounds from atmospheric or oceanic carbon dioxide, primarily through photosynthesis in phytoplankton.

Total Allowable Catch (TAC)

The maximum quantity of fish that can be harvested from a specific area over a specific period, established to sustain fish populations.

Acoustic stock assessment

A method used to estimate fish populations based on the measurement of sound waves to detect schools of fish and assess their biomass.

Roe

Fish eggs, often considered a delicacy in various culinary contexts, especially in sushi and other seafood dishes.

Crytpcotyle lingua

A parasitic flatworm that may infest fish, potentially impacting fish health and contributing to die-offs.

Benthic invertebrates

Organisms without backbones that live in or on the ocean floor, crucial for understanding the health of marine ecosystems.

Temporal closures

Temporary restrictions placed on fishing in certain areas during specific times to allow fish populations to recover.

Wildlife Bathurst aux Basques

A designated wildlife area that may be affected by fisheries and marine life changes.