Latest AFS Publications
by Natalie Sopinka—AFS Contributing Writer [email protected] Perhaps exhausted after a long-distance swim along the St. Lawrence River, a beaver was seen sleeping on the back of a humpback whale Megaptera novaeangliae in the Bay of Fundy. Upon closer inspection of the whale (which was likely demonstrating logging behaviour and remaining still at the surface), quiet... Read More
by Natalie Sopinka—AFS Contributing Writer [email protected] A timeworn image of a dam on Toronto’s Don River appears on the projector screen. Vanessa Minke-Martin’s voice fills the room. “The Atlantic Salmon of Lake Ontario were an anomaly, when we think about the archetypal anadromous life cycle.” With a single photograph and a handful of words, Minke-Martin,... Read More
by Natalie Sopinka—AFS Contributing Writer [email protected] California’s waterways are home to smelt, dace, suckers, sturgeon, salmon, roach, and the state fish, the California Golden Trout Oncorhynchus mykiss aguabonita. They are also home to several chemicals of emerging concern (CEC). A recent survey, led by Keith Maruya of the Southern California Coastal Water Research Project, recommended... Read More
Jack E. Williams, Helen M. Neville, Amy L. Haak, Warren T. Colyer, Seth J. Wenger, and Stan Bradshaw ABSTRACT: Climate change is contributing to the severity and rate of stream degradation by changing the timing of peak flows, altering flow regimes, creating more frequent and intense disturbances, and increasing stream temperatures. Herein we describe three... Read More
Jack E. Williams, Helen M. Neville, Amy L. Haak, Warren T. Colyer, Seth J. Wenger, and Stan Bradshaw RESUMEN: El cambio climático está contribuyendo a incrementar la severidad y la tasa de degradación de los ríos a través de la alteración en la estacionalidad del flujo máximo, modificación del régimen de flujos, generación de perturbaciones... Read More
Jason T. Papenfuss, Nicholas Phelps, David Fulton, and Paul A. Venturelli ABSTRACT: Successfully managing fisheries and controlling the spread of invasive species depends on the ability to describe and predict angler behavior. However, finite resources restrict conventional survey approaches and tend to produce retrospective data that are limited in time or space and rely on... Read More
Jason T. Papenfuss, Nicholas Phelps, David Fulton, and Paul A. Venturelli RESUMEN: El manejo exitoso de las pesquerías y el control de la dispersión de especies invasivas depende de la habilidad para describir y predecir el comportamiento de los pescadores. Sin embargo, la limitación de recursos restringe el uso de muestreos convencionales y tiende a... Read More
Saul Greenberg and Theresa Godin ABSTRACT: Estimating angling effort on more than a few lakes can be prohibitively expensive using creel surveys and often requires finer-scale angler distribution data than aerial surveys can provide. An alternate method uses remote cameras to capture images of lakes at hourly intervals over long time periods. Technicians then visually... Read More
Saul Greenberg and Theresa Godin RESUMEN: La estimación del esfuerzo de pesca con anzuelo que se realiza en varios lagos mediante muestreos en puerto, puede llegar a tener costos prohibitivos y suele requerir una información más fina sobre la distribución del esfuerzo que la que proveen los muestreos aéreos. Un método alternativo se basa en... Read More
Jake Rice, Michael J. Bradford, Keith D. Clarke, Marten A. Koops, Robert G. Randall, and Roger Wysocki RESUMEN: En el año 2012, el Acta Pesquera de Canadá fue enmendada. Las nuevas provisiones para la protección de pesquerías tienen como objetivo proveer sustentabilidad y productividad a las pesquerías comerciales, recreativas y nativas. Estas provisiones reemplazan varias... Read More
