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Bioaccumulation and Aquatic System Simulator (Bass) User's Manual Beta Test Version 2. 1

By Barber, M. Craig

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Book Id: WPLBN0000062306
Format Type: PDF eBook
File Size: 4.8 MB
Reproduction Date: 2007
Full Text

Title: Bioaccumulation and Aquatic System Simulator (Bass) User's Manual Beta Test Version 2. 1  
Author: Barber, M. Craig
Volume:
Language: English
Subject: Ecology, Natural resource issues, Environemtal protection
Collections: Environmental Awareness Library Collection
Historic
Publication Date:
Publisher: United States Environmental Protection Agency

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Barber, M. C. (n.d.). Bioaccumulation and Aquatic System Simulator (Bass) User's Manual Beta Test Version 2. 1. Retrieved from http://www.worldebooklibrary.net/


Description
Excerpt: This report describes the theoretical development, parameterization, and application software of a generalized, community-based, bioaccumulation model called BASS (Bioaccumulation and Aquatic System Simulator). This model is designed to predict the populationand bioaccumulation dynamics of age-structured fish communities that are exposed to hydrophobic organic chemicals and class B and borderline metals that complex with sulfhydryl groups (e.g., cadmium, copper, lead, mercury, nickel, silver, and zinc). This report is not a case study on the application of BASS but rather a reference and user’s guide. The intended audience of this report andassociated software is research fisheries ecologists, bioaccumulation researchers, and EPA environmental scientists and ecologists who must routinely analyze and estimate bioaccumulation of chemicals in fish for ecological or human health exposure assessments.

Table of Contents
Table of Contents A bstract .............................................................................................. i v F igures .............................................................................................. v ii T ables ............................................................................................... v ii 1. Introduction ......................................................................................... 1 2. Model Formulation ................................................................................... 4 2.1. Modeling Internal Distribution of Chemicals ....................................................... 4 2.2. Modeling Exchange from Water ................................................................. 5 2.3. Modeling Exchange from Food ................................................................. 7 2.4. Modeling Chemical Biotransformation ........................................................... 9 2.5. Modeling Temperature Effects on Physiological Rates ............................................... 9 2.6. Modeling Growth of Fish ..................................................................... 10 2.7. Modeling Trophic Interactions and Predatory Mortalities ............................................ 11 2.8. Modeling Non Predatory Mortalities and Recruitment ............................................... 13 2.9. Modeling Toxicological Effects ................................................................ 14 3. Model Parameterization ............................................................................... 18 3.1. Parameterizing K........................................................................... 18 f 3.2. Parameters for Gill Exchange .................................................................. 18 3.3. Bioenergetic and Growth Parameters ............................................................ 19 4. B ASSUser Guide .................................................................................... 31 4.1. Summary of New Features Available inBASSversion 2.1 ............................................ 31 4.2. Input File Structure .......................................................................... 32 4.2.1. Simulation Control Commands ........................................................ 33 4.2.2. Chemical Input Commands ........................................................... 35 4.2.3. Fish Input Commands ............................................................... 38 4.2.4. Units Recognized by BASS ............................................................ 41 4.2.5. Syntax for User Specified Functions .................................................... 41 4.2.6. User Supplied Exposure Files ......................................................... 42 4.3. Output Files Generated by BASS ................................................................ 43 4.4. Include Files and General File Management ...................................................... 43 4.5. Command Line Options ...................................................................... 45 4.6. Restrictions and Limitations ................................................................... 45 5. Software Installation and Management ................................................................... 50 5.1. MS-DOS Installation ........................................................................ 50 5.2. Auxiliary Software .......................................................................... 51 6. Example Application ................................................................................. 52 7. Model Quality Assurance .............................................................................. 54 7.1. Questions Regarding QA of a Model’s Scientific Foundations ........................................ 54 7.2. Questions Regarding QA of a Mo

 

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