Ragavan Nadarajah

6 Questions 15 Answers 0 Followers

Questions related from Ragavan Nadarajah

Is it valid to apply the LCCC method separately for each gear type in multi-gear fisheries to estimate gear-specific fishing mortality?

Different fishing gears typically target different size classes of fish due to their distinct selectivity patterns. For example, trawl nets may capture a wide range of sizes, including juveniles,...

22 April 2025 3,656 2 View

Requesting assistance in identifying the balloon-like structure observed in the shallow lagoon shore area?

Dear Researchers, I am writing to seek clarification on an observation made in a shallow location near the lagoon shore following the rainy season in January. I observed a balloon-like structure...

23 April 2024 6,088 1 View

Discrepancy between Linf and Lmax estimates in ELEFAN_GA analysis using TropFishR: How to Resolve?

Dear ResearchGate community, I am currently using the ELEFAN_GA function in TropFishR to analyze monthly length frequency data and estimate growth parameters in fisheries biology. During the...

24 July 2023 7,666 2 View

How can I resolve the issue of abnormally high natural mortality rates in shrimp stock assessment using the ‘TropFishR’ Package and carapace length?

I am currently conducting research on shrimp stock assessment, and I am utilizing the ‘TropFishR’ Package to analyze a dataset containing monthly carapace length frequency data. The accurate...

30 March 2023 9,975 4 View

How to input multi-year length frequency data in TropFishR Package for the stock assessment?

I am currently conducting research on shrimp stock assessment using the ‘TropFishR’ package to analyze a monthly carapace length frequency dataset. The package allows for the analysis of one year...

30 March 2023 8,582 1 View

Steps for Data Cleaning and Handling of Monthly Length Frequency Data in Shrimp Stock Assessment: Should Outliers be Removed?

Dear ResearchGate community, I am currently working on a research project involving the stock assessment of shrimps using monthly length frequency data. To ensure the accuracy and reliability of...

01 January 1970 8,235 3 View