Science & Technology

Analytical Examples

This page includes examples illustrating the use of statistical analysis to support different types of evidence, stream temp, temperature inferred from macroinverterbate, macroinvertebrate responses, zinc concentrations, observed trait characteristics.

Learn About Sources

This is the introductory page to the sources module.

CADDIS Volume 2: Sources, Stressors and Responses -Retired

CADDIS Volume 2 landing page -- Learn more about common sources and stressors that can negatively affect biological condition in aquatic ecosystems.

Urbanization - Overview

Introduction to urbanization and its effects of streams, a summary of the urban stream syndrome,an overview of the effects of urbanization on biotic integrity, a summary of catchment vs. riparian urbanization vs. reach.

Quantifying Uncertainty in Causal Analysis

Overview and details of quantifying uncertainty

Summary Tables of Types of Evidence

This page includes a summary table to various types of evidence, illustrations, explanations, and their supporting pages.

Analogous Stressors

How to derive and evaluate evidence from analogous stressors

Manipulation of Exposure at Other Sites

This page explains how to derive and evaluate evidence using studies from other locations that manipulate exposure.

Stressor-Response Relationships from Ecological Simulation Models

How to derive and evaluate evidence using stressor-response relationships from ecological simulation models

Symptoms

This page shows how to derive and evaluate evidence using symptoms.

Causal Pathway

How to derive and evaluate evidence of a Causal Pathway

Summary Tables of Scores

Summary table of scores

Getting Started

This page provides a guide overview to the step-by-step guide to Stressor Identification, and fundamentals of causal assessment.

Step 5. Identify Probable Causes

This page includes an overview of Step 5, to identify probable cause, then weighing evidence for a candidate cause, comparing evidence across causes, and analyzing the expected output of the causal assessment.

Figure: Consistency of Evidence

Consistency of Evidence, Table 5-6

Long Creek Conceptual Model Diagram

Figure 2-2 is an example of a simple conceptual model diagram for increased water temperature as a candidate cause of biological impairment.

Figures: Manipulation of Exposure at Other Sites

These figures illustrate the concept of the type of evidence "Manipulation of Exposure at Other Sites"

Figure: Analogous Stressors

Figure 4-6 illustrates the concept of the type of evidence for analogous stressors.

Figure: Stressor-Response Relationships from Ecological Simulation Models

Figure 4-3 illustrates the concept of the type of evidence "Stressor-Response Relationships from Ecological Simulation Models"

Figure: Stressor-Response Relationships from Other Field Studies

Stressor-Response Relationships from Other Field Studies: Figure 4-1