Search filters

List of works by Timothy B. Johnson

A Potential New Energy Pathway in Central Lake Erie: the Round Goby Connection

article

Acetabular fracture secondary to electroconvulsive therapy: a case report.

scientific article

Application of machine learning to identify predators of stocked fish in Lake Ontario: using acoustic telemetry predation tags to inform management

scientific article published on 04 October 2020

Benefits of Turbid River Plume Habitat for Lake Erie Yellow Perch (Perca flavescens) Recruitment Determined by Juvenile to Larval Genotype Assignment

scientific article published on 8 May 2015

Bioenergetics modelling of grass carp: Estimated individual consumption and population impacts in Great Lakes wetlands

article

Comparison of Methods Needed to Estimate Population Size of Round Gobies (Neogobius melanostomus) in Western Lake Erie

scientific article published in 2005

Comparison of thermal tolerance and standard metabolic rate of two Great Lakes invasive fish species

scientific article

Comparisons among three diet analyses demonstrate multiple patterns in the estimated adult diet of a freshwater piscivore, Salvelinus namaycush

scientific article

Density and habitat use by the round goby (Apollonia melanostoma) in the Bay of Quinte, Lake Ontario

article

Development of a Bioenergetics Model for the Round Goby (Neogobius melanostomus)

scientific article published in 2005

Diet and trophic niche space and overlap of Lake Ontario salmonid species using stable isotopes and stomach contents

scientific article published on 23 August 2018

Do Fish Drive Recreational Fishing License Sales?

scientific article published on 03 January 2017

Effects of intracoelomic transmitter implantation on metabolic rate, swimming performance, growth and survival in juveniles of two salmonids

scientific article published on 05 August 2019

Effects of life stage on the spatial ecology of Chinook salmon (Oncorhynchus tshawytscha) during pelagic freshwater foraging

scientific article published in 2022

Estimates of lake trout ( Salvelinus namaycush ) diet in Lake Ontario using two and three isotope mixing models

article

Evaluation of muscle lipid extraction and non‐lethal fin tissue use for carbon, nitrogen, and sulfur isotope analyses in adult salmonids

scientific article

Food-web structure and ecosystem function in the Laurentian Great Lakes-Toward a conceptual model

article

Forecasting the Impacts of Silver and Bighead Carp on the Lake Erie Food Web

article

Hemimysis anomala in Lake Ontario food webs: Stable isotope analysis of nearshore communities

article

Hydroacoustic Estimates of Abundance and Spatial Distribution of Pelagic Prey Fishes in Western Lake Superior

article

Improving trophic niche and diet resolution of the salmonid community of Lake Ontario using three stable isotopes and multiple tissues

scientific article published in 2022

Influence of habitat heterogeneity on the foraging ecology of first feeding yellow perch larvae, Perca flavescens, in western Lake Erie

article

Long-term retention of acoustic telemetry transmitters in temperate predators revealed by predation tags implanted in wild prey fish

scientific article published on 21 October 2019

Metrics of ecosystem status for large aquatic systems – A global comparison

Modeling potential impacts of three benthic invasive species on the Lake Erie food web

scientific article

Movement Ecology of a Potamodromous Top Predator in a Large Lake: Synchrony and Coexistence of Distinct Migratory Patterns

scientific article published on 20 July 2021

Movement of Walleyes in Lakes Erie and St. Clair Inferred from Tag Return and Fisheries Data

article

Novel molecular approach demonstrates that turbid river plumes reduce predation mortality on larval fish

scientific article published on 4 October 2014

Polymethylene-interrupted fatty acids: Biomarkers for native and exotic mussels in the Laurentian Great Lakes

article

Pop‐off data storage tags reveal niche partitioning between native and non‐native predators in a novel ecosystem

scientific article published on 10 October 2019

Predicting spatial patterns of recreational boating to understand potential impacts to fisheries and aquatic ecosystems

scientific article

Research needs to better understand Lake Ontario ecosystem function: A workshop summary

article

Resource switching in fish following a major food web disruption

scientific article published on 12 February 2009

Response of the round goby, an invasive fish, to food odours

scientific article

Response to putative round goby (Neogobius melanostomus) pheromones by centrarchid and percid fish species in the Laurentian Great Lakes

article

Results of the collaborative Lake Ontario bloater restoration stocking and assessment, 2012–2020

scientific article published on 10 December 2021

Round goby (Neogobius melanostomus) population structure, biomass, prey consumption and mortality from predation in the Bay of Quinte, Lake Ontario

article

Round goby predation on Hemimysis anomala

scientific article published in 2012

Seasonal variation in mercury and food web biomagnification in Lake Ontario, Canada

scientific article published on 16 November 2011

Spatial and seasonal variability in the diet of round goby (<i>Neogobius melanostomus</i>): stable isotopes indicate that stomach contents overestimate the importance of dreissenids

scientific article published in 2012

Spatial distribution of lake trout ( Salvelinus namaycush ) across seasonal thermal cycles in a large lake

scientific article

Spatial variability in trophic offset and food sources of Hemimysis anomala in lentic and lotic ecosystems within the Great Lakes basin

article

Spatiotemporal interactions of native and introduced salmonid top predators in a large lake: implications for species restoration

scientific article

Strong Thermal Stratification Reduces Detection Efficiency and Range of Acoustic Telemetry in a Large Freshwater Lake

preprint

Strong thermal stratification reduces detection efficiency and range of acoustic telemetry in a large freshwater lake

scientific article

Subsidy accessibility drives asymmetric food web responses

scientific article published in 2022

Sustainability of the Lake Superior Fish Community: Interactions in a Food Web Context

article

The impact of introduced round gobies (Neogobius melanostomus) on phosphorus cycling in central Lake Erie

article

The influence of human population change and aquatic invasive species establishment on future recreational fishing activities to the Canadian portion of the Laurentian Great Lakes

Validation of rapid assimilation of PCBs following IP dosing in the round goby (Neogobius melanostomus)

scientific article published on 16 June 2013

Watercraft Decontamination Practices to Reduce the Viability of Aquatic Invasive Species Implicated in Overland Transport.