Evaluating the Historic Role of Forage Fish in Lost Fisheries Production
This project will estimate the historical declines of three forage fish populations in the northwest Atlantic and the resulting impacts on the ecosystem. Populations of large predators, such as tuna and cod, are at historic lows. Overfishing is a primary cause, but the overexploitation of their prey also may have reduced the predators’ ability to rebuild their populations. Estimating the declines in forage species could elucidate the impact of their removal on the ecosystem as a whole. The research team will employ historical records and current fisheries data to estimate population declines and then use scientific models to generate anticipated returns of top predators under different forage fish restoration options. This project will generate information to help contrast different policies for setting forage fish catch limits.
Recent WorkView All
This paper in the journal BioScience explores the impacts of dams in New England on alewife and blueback herring, which have been cut off from 90 to 95 percent of their historic spawning habitat. The loss of these species – collectively known as river herring – from lakes and streams has removed a major source of prey for an array of predators. Read More
Alexander, K. E., Leavenworth, W. B., Willis, T. V., Hall, C., Mattocks, S., Bittner, S. M., Klein, E., Staudin, M., Bryan, A., Rosset, J., Carr, B. H., Jordaan, A. (2017). Tambora and the mackerel year: Phenology and fisheries during an extreme climate event. Science Advances, 3(1). doi:10.1126/sciadv.1601635. Read More
A Complex Past: Historical and Contemporary Fisheries Demonstrate Nonlinear Dynamics and a Loss of Determinism
Klein, E., Glaser, S., Jordaan, A., Kaufman, L., & Rosenberg, A. (2016). A complex past: historical and contemporary fisheries demonstrate nonlinear dynamics and a loss of determinism. Marine Ecology Progress Series, 557, 237-246: doi:10.3354/meps11886. Read More