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Update documentation
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actions-user committed Oct 29, 2024
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10 changes: 5 additions & 5 deletions 03_model_habitat_linear.html
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<li class="toctree-l1 current"><a class="current reference internal" href="#">Linear spawning/rearing habitat model</a><ul>
<li class="toctree-l2"><a class="reference internal" href="#gradient">Gradient</a></li>
<li class="toctree-l2"><a class="reference internal" href="#discharge-channel-width">Discharge / channel width</a></li>
<li class="toctree-l2"><a class="reference internal" href="#feature-type-and-connectivity">Feature type and connectivity</a></li>
<li class="toctree-l2"><a class="reference internal" href="#feature-type-and-network-connectivity">Feature type and network connectivity</a></li>
</ul>
</li>
<li class="toctree-l1"><a class="reference internal" href="04_model_habitat_lateral.html">Lateral habitat model (DRAFT)</a></li>
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<ul class="simple">
<li><p>stream gradient</p></li>
<li><p>channel width or discharge (depending on modelling requirments and/or data availability)</p></li>
<li><p>connectivity (rearing streams must be connected to spawning streams)</p></li>
<li><p>feature type (spawning or rearing occurs in stream / wetland / lake etc)</p></li>
<li><p>network connectivity (rearing stream segments must have a specific type of connectivity to spawning stream segments)</p></li>
<li><p>feature type (whether spawning/rearing occurs in stream / wetland / lake etc)</p></li>
</ul>
<p>Per species threshold values for stream gradient and discharge/channel width are noted (and can be adjusted) in the file <a class="reference external" href="https://github.com/smnorris/bcfishpass/blob/main/parameters/example_testing/parameters_habitat_thresholds.csv">parameters_habitat_thresholds.csv</a>.</p>
<p>Sources for these values for Pacific salmon and steelhead are documented in Table 1 of <a class="reference external" href="https://cwf-fcf.org/en/resources/research-papers/BC_report_formatted_final.pdf">Rebelatto et al (2024)</a>. Gradient and discharge thresholds are derived from the literature and from analysis of known spawning stream characteristics. Channel width thresholds are designed to eliminate very small streams from consideration. Note that the models will tend to retain many streams that may be of marginal habitat; outputs should be used to assist prioritization for further assessment and fish passage work - not as a definitive habitat classification.</p>
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</li>
</ol>
</section>
<section id="feature-type-and-connectivity">
<h2>Feature type and connectivity<a class="headerlink" href="#feature-type-and-connectivity" title="Link to this heading"></a></h2>
<section id="feature-type-and-network-connectivity">
<h2>Feature type and network connectivity<a class="headerlink" href="#feature-type-and-network-connectivity" title="Link to this heading"></a></h2>
<p>Before a segment can be modelled as spawning or rearing, segments with suitable gradient and discharge/channel width are further filtered by feature type and network connectivity. These criteria vary by species and life stage:</p>
<table class="docutils align-default">
<thead>
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6 changes: 3 additions & 3 deletions _sources/03_model_habitat_linear.md.txt
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- stream gradient
- channel width or discharge (depending on modelling requirments and/or data availability)
- connectivity (rearing streams must be connected to spawning streams)
- feature type (spawning or rearing occurs in stream / wetland / lake etc)
- network connectivity (rearing stream segments must have a specific type of connectivity to spawning stream segments)
- feature type (whether spawning/rearing occurs in stream / wetland / lake etc)

Per species threshold values for stream gradient and discharge/channel width are noted (and can be adjusted) in the file [parameters_habitat_thresholds.csv](
https://github.com/smnorris/bcfishpass/blob/main/parameters/example_testing/parameters_habitat_thresholds.csv).
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## Feature type and connectivity
## Feature type and network connectivity

Before a segment can be modelled as spawning or rearing, segments with suitable gradient and discharge/channel width are further filtered by feature type and network connectivity. These criteria vary by species and life stage:

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2 changes: 1 addition & 1 deletion index.html
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<li class="toctree-l1"><a class="reference internal" href="03_model_habitat_linear.html">Linear spawning/rearing habitat model</a><ul>
<li class="toctree-l2"><a class="reference internal" href="03_model_habitat_linear.html#gradient">Gradient</a></li>
<li class="toctree-l2"><a class="reference internal" href="03_model_habitat_linear.html#discharge-channel-width">Discharge / channel width</a></li>
<li class="toctree-l2"><a class="reference internal" href="03_model_habitat_linear.html#feature-type-and-connectivity">Feature type and connectivity</a></li>
<li class="toctree-l2"><a class="reference internal" href="03_model_habitat_linear.html#feature-type-and-network-connectivity">Feature type and network connectivity</a></li>
</ul>
</li>
<li class="toctree-l1"><a class="reference internal" href="04_model_habitat_lateral.html">Lateral habitat model (DRAFT)</a><ul>
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