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Related papers: Length, Weight, and Yield in Channel Catfish, Lake…

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To investigate possible errors, length-weight parameters from FishBase.org were used to graph length-weight curves for six different species: channel catfish, black crappie, largemouth bass, rainbow trout, flathead catfish, and lake trout…

Quantitative Methods · Quantitative Biology 2011-04-28 Simeon Cole-Fletcher , Lucas Marin-Salcedo , Ajaya Rana , Michael Courtney

In spite of the abundance and commercial importance of these two species, there is little published weight-length data for the gafftopsail catfish (Bagre marinus) and hardhead catfish (Ariopsis felis). For this study 84 catfish were caught…

Populations and Evolution · Quantitative Biology 2012-10-12 Joshua Courtney , Taylor Klinkmann , Joseph Torano , 2 , Michael Courtney

The traditional power law model, W(L) = aL^b, is widely applied to describe weight (W) vs. length (L) in fish. The model, W(L) = (L/L1)^b, is proposed as an improvement. The Levenberg-Marquardt non-linear least squares technique is used to…

Quantitative Methods · Quantitative Biology 2011-07-05 Mercedes Dexter , Kyle Van Alstine , Michael Courtney , Ya'el Courtney

In large lakes, ice cover plays an important role in shipping and navigation, coastal erosion, regional weather and climate, and aquatic ecosystem function. In this study, a novel deep learning model for ice cover concentration prediction…

Atmospheric and Oceanic Physics · Physics 2024-07-09 Hazem Abdelhady , Cary Troy

High-resolution multispectral satellite imagery was utilized to quantify shoreline recession at eleven beaches around Lake Michigan during a record-setting water level increase between 2013 and 2020. Shoreline changes during this period…

Atmospheric and Oceanic Physics · Physics 2025-06-24 Hazem U. Abdelhady , Cary D. Troy , Longhuan Zhu , Pengfei Xue , Guy Meadows , Chin H. Wu

Carlander's Handbook of Freshwater Fishery Biology (1969) contains life history data from many species of freshwater fish found in North America. It has been cited over 1200 times and used to produce standard-weight curves for some species.…

Quantitative Methods · Quantitative Biology 2011-07-18 Joshua Daviscourt , Joshua Huertas , Michael Courtney

Background: Much has been written about introduced rainbow trout (Oncorhynchus mykiss) interbreeding and outcompeting cutthroat trout (Oncorhynchus clarkii). However, the specific mechanisms by which rainbow trout and their hybrids…

Populations and Evolution · Quantitative Biology 2012-10-19 Joshua Courtney , Jessica Abbott , Kerri Schmidt , Michael Courtney

Volunteer-led lake monitoring yields irregular, seasonal time series with many gaps arising from ice cover, weather-related access constraints, and occasional human errors, complicating forecasting and early warning of harmful algal blooms.…

Machine Learning · Computer Science 2026-01-23 Rishit Chatterjee , Tahiya Chowdhury

We developed a state-space age-structured catch-at-length (ACL) assessment model for redfish in NAFO Divisions 3LN. The model was developed to address limitations in the surplus production model that was previously used to assess this…

Populations and Evolution · Quantitative Biology 2024-07-09 Noel G. Cadigan , Andrea M. Perreault , Hoang Nguyen , Jiaying Chen , Andres Beita-Jimenez , Natalie Fuller , Krista Ransier

Our article presents a robust and flexible statistical modeling for the growth curve associated to the age-length relationship of Cardinalfish (Epigonus Crassicaudus). Specifically, we consider a non-linear regression model, in which the…

Applications · Statistics 2016-09-09 Javier E. Contreras-Reyes , Reinaldo B. Arellano-Valle

Modeling fish growth is an important research topic in ecological and fishery sciences because body weight statistics directly affect the total biomass of fish in a habitat, which in turn affects their population dynamics. Many models of…

Populations and Evolution · Quantitative Biology 2025-06-10 H. Yoshioka , Y. Yoshioka , M. Tsujimura

Wave directionality plays a critical role in shaping coastal conditions and influencing local livelihoods, underscoring the importance of conducting detailed analyses. This study examines directional wave climate along the southwestern…

Atmospheric and Oceanic Physics · Physics 2025-11-04 Boyuan Lu , Wei Wang , Chin Wu , Yuli Liu

Much has been written about introduced rainbow trout interbreeding and outcompeting native cutthroat trout. However, specific mechanisms have not been thoroughly explored, and most data is limited to lotic ecosystems. Samples of Snake River…

Populations and Evolution · Quantitative Biology 2013-05-09 Joshua M. Courtney , Amy C. Courtney , Michael W. Courtney

Creel surveys were performed over a three week period in late spring, 2011, in the Lafourche and Calcasieu area estuaries of the Louisiana Gulf Coast. Weights and lengths were measured for black drum (Pogonias cromis), red drum (Sciaenops…

Populations and Evolution · Quantitative Biology 2012-08-28 Joshua Courtney , Taylor Klinkmann , Amy Courtney , Joseph Torano , Michael Courtney

Fish harvesting often targets larger individuals, which can be sex-specific due to size dimorphism or differences in behaviors like migration and spawning. Sex-selective harvesting can have dire consequences in the long run, potentially…

Populations and Evolution · Quantitative Biology 2024-01-30 Joydeb Bhattacharyya , Arnab Chattopadhyay , Anurag Sau , Sabyasachi Bhattacharya

In aquaculture, disease spread models often neglect the dynamic interactions between farms, hindering accuracy. This study enhances the Katz index (KI) to incorporate spatial and temporal patterns of fish movement, improving the prediction…

Social and Information Networks · Computer Science 2024-04-22 Michael-Sam Vidza , Marcin Budka , Wei Koong Chai , Mark Thrush , Mickael Teixeira Alves

We employ micro-particle image velocimetry ($\mu$-PIV) to investigate laminar micro-flows in hydrophobic microstructured channels, in particular the slip length. These microchannels consist of longitudinal micro-grooves, which can trap air…

To adapt to real-world data streams, continual learning (CL) systems must rapidly learn new concepts while preserving and utilizing prior knowledge. When it comes to adding new information to continually-trained deep neural networks (DNNs),…

Machine Learning · Computer Science 2025-07-02 Md Yousuf Harun , Christopher Kanan

We develop a Bayesian nonparametric framework for modeling ordinal regression relationships which evolve in discrete time. The motivating application involves a key problem in fisheries research on estimating dynamically evolving…

Applications · Statistics 2015-07-07 Maria DeYoreo , Athanasios Kottas

We investigate to what degree the steady laminar flow in typical micro- and mini-channels with offset strip fin arrays can be described as developed on a macro-scale level, in the presence of channel entrance and side-wall effects. Hereto,…

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