PCWA-L 480.pdf - PCWA Middle Fork American River Project ...

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Nitrogen and Phosphorus Analysis Consumed phosphorus and nitrogen follows a similar but slightly simplified path. It has three fates: 1) assimilation into the predator's tissue (G); 2) loss in feoes (F); 3) exoretlon in urine (U) nutrients are not lost as a result of respiration or speoific dynamic aotion (R and SDA respectively). These fates oan be quantified in the equation (we'll use phosphorus as ",n examplet: where C p '" mass of P consumed (g) Gp '" mass of P allooated to growth (g) Fp '" mass of P lost in feoes (g) Up'" mass of P lost in urine (g) _Beoause exoreted nutrients are available for uptake by aquatio primary produoers, we're usually interested in rearranging the equation-to solve for U: " We oan aooount for feoal losses through assimilation effioienoy, and thus simplify the equation as follows: where Results AE p '" assimilation effioienoy read from the user input data file C p '" mass oonsumption of prey from basic bioenergeuos oaloulations multiplied by the user input prey oonoentrations of P G p '" predator growth mass from basic bioenergetios oaloulations multiplied by the user input predator oonoentration bf P . 7-3
Nitrogen and Phosphorus Analysis 7·4 Once you've executed a bioenergetics run, you can view the N"P output variables by selecting either the graph or text output options and highlighting the variables of choice.
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) . ,. For Windows® 3.1, Windows®
Page 6 and 7:
) Bioenergetics Overview 1.1 The Mo
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Bioenergetics Overview LaBar, G. W.
Page 16:
.Core Processes in Bioenergetics Eq
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Core Processes in Bioenergetics Rud
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Extended Topics: Analyses of Nutrie
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) Analyses of Nutrient Regeneration
Page 36: Getting Started \ 2·2 • Windows
Page 41: 3.2 User Input Data Files Learning
Page 44 and 45: Learning Bioenergetics 3-6 Mortalit
Page 47: Learning Bioenergetics. Fr the most
Page 51 and 52: 4.3 Step 2: Setup Creating a Cohort
Page 53 and 54: Creating a Cohort not grow to 2,155
Page 55 and 56: Load Data via Manual Entry: ... Che
Page 57: Spawning Creating a Cohort The Spaw
Page 61: 4.5 Step 4: Executing a Bioenergeti
Page 66 and 67: ) Creating a Cohort 4-18 Display co
Page 70: Creating a Summary - Analyzing Mult
Page 73: Creating a Summary - Analyzing Mult
Page 78 and 79: Populations and Mortality Fish Bioe
Page 83: ) Nitrogen and Phosphorus Analysis
Page 87 and 88: Contaminant Analysis 8-2 will need
Page 102 and 103: j .," ' Schindler, D.W., A.S. Clark
Page 108: publications That Reference Bioener
Page 111: Index - Section 2 A allometry, 4-11
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