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	<title>General | ATS Environmental</title>
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	<link>https://ats-environmental.com</link>
	<description>Everyday a little bit better!</description>
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	<title>General | ATS Environmental</title>
	<link>https://ats-environmental.com</link>
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	<item>
		<title>Fish Passage Remediation Example</title>
		<link>https://ats-environmental.com/fish-passage-remediation-example/</link>
		
		<dc:creator><![CDATA[admin]]></dc:creator>
		<pubDate>Wed, 07 Sep 2022 04:57:00 +0000</pubDate>
				<category><![CDATA[General]]></category>
		<category><![CDATA[Fish Passage]]></category>
		<category><![CDATA[remediation]]></category>
		<guid isPermaLink="false">https://ats-environmental.com/?p=2737</guid>

					<description><![CDATA[<p>The post <a rel="nofollow" href="https://ats-environmental.com/fish-passage-remediation-example/">Fish Passage Remediation Example</a> appeared first on <a rel="nofollow" href="https://ats-environmental.com">ATS Environmental</a>.</p>
]]></description>
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				<div class="et_pb_text_inner"><p>Hi everyone,</p>



<p>Check out the video below showing a great example of fish passage remediation targeting small-bodied NZ fish species.</p>



<p>The fixes address:</p>



<ul class="wp-block-list"><li>The perched apron</li><li>The perched culvert outlet</li><li>Shallowing of the apron</li><li>Fast laminar flow within the culvert</li></ul>



<p>Note: This culvert should have been embedded to both retain bed material and allow good fish passage.</p>



<figure class="wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio"><div class="wp-block-embed__wrapper">
<iframe title="Fish passage remediation NZ" width="1080" height="608" src="https://www.youtube.com/embed/qqD57d_r64s?feature=oembed"  allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share" referrerpolicy="strict-origin-when-cross-origin" allowfullscreen></iframe>
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			</div><p>The post <a rel="nofollow" href="https://ats-environmental.com/fish-passage-remediation-example/">Fish Passage Remediation Example</a> appeared first on <a rel="nofollow" href="https://ats-environmental.com">ATS Environmental</a>.</p>
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			</item>
		<item>
		<title>If you are serious about restoring fish passage, watch and share this fun video essay.</title>
		<link>https://ats-environmental.com/if-you-are-serious-about-restoring-fish-passage-watch-and-share-this-fun-video-essay/</link>
		
		<dc:creator><![CDATA[admin]]></dc:creator>
		<pubDate>Tue, 23 Aug 2022 05:05:00 +0000</pubDate>
				<category><![CDATA[General]]></category>
		<category><![CDATA[Fish Passage]]></category>
		<guid isPermaLink="false">https://ats-environmental.com/?p=2742</guid>

					<description><![CDATA[<p>This video essay created by the Fish Passage Action Team outlines the easy to follow process for undertaking multi-site fish passage remediation programs.  The key is to make the most of data collected to plan actual work programs, and not just produce dots on a map for reporting up the bureaucratic food-chain. Don&#8217;t just watch, [&#8230;]</p>
<p>The post <a rel="nofollow" href="https://ats-environmental.com/if-you-are-serious-about-restoring-fish-passage-watch-and-share-this-fun-video-essay/">If you are serious about restoring fish passage, watch and share this fun video essay.</a> appeared first on <a rel="nofollow" href="https://ats-environmental.com">ATS Environmental</a>.</p>
]]></description>
										<content:encoded><![CDATA[
<p>This video essay created by the Fish Passage Action Team outlines the easy to follow process for undertaking multi-site fish passage remediation programs. </p>



<p>The key is to make the most of data collected to plan actual work programs, and not just produce dots on a map for reporting up the bureaucratic food-chain.</p>



<p>Don&#8217;t just watch, please share so we can all make a difference.</p>



<figure class="wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio"><div class="wp-block-embed__wrapper">
<iframe loading="lazy" title="Fish Passage Video Essay" width="1080" height="608" src="https://www.youtube.com/embed/1ahTeFL5nlY?start=1&#038;feature=oembed"  allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share" referrerpolicy="strict-origin-when-cross-origin" allowfullscreen></iframe>
</div></figure>
<p>The post <a rel="nofollow" href="https://ats-environmental.com/if-you-are-serious-about-restoring-fish-passage-watch-and-share-this-fun-video-essay/">If you are serious about restoring fish passage, watch and share this fun video essay.</a> appeared first on <a rel="nofollow" href="https://ats-environmental.com">ATS Environmental</a>.</p>
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		<title>Region Wide Fish Passage Program</title>
		<link>https://ats-environmental.com/region-wide-video-essay/</link>
		
		<dc:creator><![CDATA[admin]]></dc:creator>
		<pubDate>Tue, 23 Aug 2022 04:52:00 +0000</pubDate>
				<category><![CDATA[General]]></category>
		<category><![CDATA[Fish Passage]]></category>
		<guid isPermaLink="false">https://ats-environmental.com/?p=2735</guid>

					<description><![CDATA[<p>Hi everyone  Check out this video released by the Ministry for the Environment (NZ) showing the great work Kūmānu Environmental and Tasman District Council have been doing to restore fish passage in the Tasman Region. This 5 year project will allow 7,000+ desktop assessments, 4350+ field assessments and 1,566 in-stream structure remediation&#8217;s to be completed. That&#8217;s a [&#8230;]</p>
<p>The post <a rel="nofollow" href="https://ats-environmental.com/region-wide-video-essay/">Region Wide Fish Passage Program</a> appeared first on <a rel="nofollow" href="https://ats-environmental.com">ATS Environmental</a>.</p>
]]></description>
										<content:encoded><![CDATA[
<p>Hi everyone </p>



<p>Check out this video released by the Ministry for the Environment (NZ) showing the great work Kūmānu Environmental and Tasman District Council have been doing to restore fish passage in the Tasman Region. This 5 year project will allow 7,000+ desktop assessments, 4350+ field assessments and 1,566 in-stream structure remediation&#8217;s to be completed. That&#8217;s a lot of waterways being connected and a lot of happy fish! Enjoy!</p>



<figure class="wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio"><div class="wp-block-embed__wrapper">
<iframe loading="lazy" title="Tasman Fish Passage Remediation | A Jobs for Nature Project" width="1080" height="608" src="https://www.youtube.com/embed/tur8ttyg1N4?feature=oembed"  allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share" referrerpolicy="strict-origin-when-cross-origin" allowfullscreen></iframe>
</div></figure>



<p>Stay tuned for upcoming mail-outs explaining how to implement region wide fish passage programs.&nbsp;</p>
<p>The post <a rel="nofollow" href="https://ats-environmental.com/region-wide-video-essay/">Region Wide Fish Passage Program</a> appeared first on <a rel="nofollow" href="https://ats-environmental.com">ATS Environmental</a>.</p>
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		<title>Pacific Lamprey Video</title>
		<link>https://ats-environmental.com/pacific-lamprey-video/</link>
		
		<dc:creator><![CDATA[admin]]></dc:creator>
		<pubDate>Tue, 02 Aug 2022 04:52:00 +0000</pubDate>
				<category><![CDATA[General]]></category>
		<guid isPermaLink="false">https://ats-environmental.com/?p=2733</guid>

					<description><![CDATA[<p>Hi everyone,&#160; One of our Fish Passage Action Team members, Kelly, captured this unusual footage whilst recently travelling in the USA to attend the International Fish Passage conference.&#160; Pacific Lamprey are often overlooked when it comes to fish passage. These ancient creatures once outnumbered salmon in the rivers of the Pacific Northwest. They are ecologically [&#8230;]</p>
<p>The post <a rel="nofollow" href="https://ats-environmental.com/pacific-lamprey-video/">Pacific Lamprey Video</a> appeared first on <a rel="nofollow" href="https://ats-environmental.com">ATS Environmental</a>.</p>
]]></description>
										<content:encoded><![CDATA[
<p>Hi everyone,&nbsp;</p>



<p>One of our Fish Passage Action Team members, Kelly, captured this unusual footage whilst recently travelling in the USA to attend the International Fish Passage conference.&nbsp;</p>



<p>Pacific Lamprey are often overlooked when it comes to fish passage. These ancient creatures once outnumbered salmon in the rivers of the Pacific Northwest.</p>



<p>They are ecologically and culturally significant for indigenous people across the Pacific. Like salmon, they spend most of their lives at sea, returning to freshwater to spawn and die, bringing protein, minerals and nutrients inland from the ocean.</p>



<p>This short video shows lamprey at the top of the Bonneville Dam fish ladder on the Columbia River in the western USA.</p>



<p>They do seem to struggle to make it to the top, and there are many more dams to pass before reaching their spawning grounds.</p>



<p>The other fish in the window are salmon and American shad.</p>



<p>Enjoy the video <a rel="noreferrer noopener" href="https://www.youtube.com/watch?v=902fup1GonA" target="_blank">[HERE]</a></p>



<figure class="wp-block-image"><img decoding="async" src="https://fishpassageactionteam.files.wordpress.com/2022/09/62e327684d59cc62d210870f.png?w=1024" alt="" class="wp-image-2886"/></figure>
<p>The post <a rel="nofollow" href="https://ats-environmental.com/pacific-lamprey-video/">Pacific Lamprey Video</a> appeared first on <a rel="nofollow" href="https://ats-environmental.com">ATS Environmental</a>.</p>
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		<item>
		<title>Fish Passage from North to South NZ</title>
		<link>https://ats-environmental.com/fish-passage-from-north-to-south-nz/</link>
		
		<dc:creator><![CDATA[admin]]></dc:creator>
		<pubDate>Wed, 20 Jul 2022 02:14:16 +0000</pubDate>
				<category><![CDATA[General]]></category>
		<guid isPermaLink="false">https://ats-environmental.com/?p=2724</guid>

					<description><![CDATA[<p>Hi everyone It&#8217;s always great to see a growing number of people getting stuck into fish passage throughout New Zealand. Aided by the newly released&#160;Fish Passage Remediation Training Aid 2022, teams of practitioners are better equipped than ever before to restore connectivity to our waterways. Check out some pics from the field:</p>
<p>The post <a rel="nofollow" href="https://ats-environmental.com/fish-passage-from-north-to-south-nz/">Fish Passage from North to South NZ</a> appeared first on <a rel="nofollow" href="https://ats-environmental.com">ATS Environmental</a>.</p>
]]></description>
										<content:encoded><![CDATA[
<p>Hi everyone</p>



<p>It&#8217;s always great to see a growing number of people getting stuck into fish passage throughout New Zealand.</p>



<p>Aided by the newly released&nbsp;<a href="https://fishpassageactionteam.wordpress.com/educational-tools/" target="_blank" rel="noreferrer noopener">Fish Passage Remediation Training Aid 2022</a>, teams of practitioners are better equipped than ever before to restore connectivity to our waterways.</p>



<p>Check out some pics from the field:</p>



<div class="wp-block-image"><figure class="aligncenter size-large"><a href="https://ats-environmental.com/wp-content/uploads/62c79de7ab38ea6e05771227-rotated.jpg"><img decoding="async" src="https://ats-environmental.com/wp-content/uploads/62c79de7ab38ea6e05771227-rotated.jpg" alt="" class="wp-image-2725"/></a><figcaption>Jimmy going the extra mile in near Katikati installing flexible baffles in a small culvert</figcaption></figure></div>



<div class="wp-block-image"><figure class="aligncenter size-large"><a href="https://ats-environmental.com/wp-content/uploads/62c79e7739f9983fc45ef0a6.jpg"><img decoding="async" src="https://ats-environmental.com/wp-content/uploads/62c79e7739f9983fc45ef0a6.jpg" alt="" class="wp-image-2726"/></a><figcaption>The team at Kumanu Environmental installing a fish ramp in Tasman</figcaption></figure></div>



<div class="wp-block-image"><figure class="aligncenter size-large"><a href="https://ats-environmental.com/wp-content/uploads/62c79d881136d45ca53b5254.jpg"><img decoding="async" src="https://ats-environmental.com/wp-content/uploads/62c79d881136d45ca53b5254.jpg" alt="" class="wp-image-2727"/></a><figcaption>Dave assessing newly installed flexible baffles in a metal culvert in Tasman</figcaption></figure></div>



<div class="wp-block-image"><figure class="aligncenter size-large is-resized"><a href="https://ats-environmental.com/wp-content/uploads/62c8a61e24ad6c1a48173c94.png"><img decoding="async" src="https://ats-environmental.com/wp-content/uploads/62c8a61e24ad6c1a48173c94.png" alt="" class="wp-image-2728" width="588"/></a><figcaption>Nathan surveying a culvert in the snowy deep South (Invercargill)</figcaption></figure></div>
<p>The post <a rel="nofollow" href="https://ats-environmental.com/fish-passage-from-north-to-south-nz/">Fish Passage from North to South NZ</a> appeared first on <a rel="nofollow" href="https://ats-environmental.com">ATS Environmental</a>.</p>
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		<item>
		<title>New and improved protocol for monitoring fish passage</title>
		<link>https://ats-environmental.com/new-and-improved-protocol-for-monitoring-fish-passage/</link>
		
		<dc:creator><![CDATA[admin]]></dc:creator>
		<pubDate>Sat, 16 Jul 2022 04:46:00 +0000</pubDate>
				<category><![CDATA[General]]></category>
		<guid isPermaLink="false">https://ats-environmental.com/?p=2730</guid>

					<description><![CDATA[<p>Hi all, Tasman District Council in NZ has recently undertaken an unprecedented 23 day fish passage trial assessing fish movement through a twin barrel culvert. The trial involved capturing and counting fish daily as they naturally migrated upstream through the culvert pipes. One of the pipes was remediated to improve fish passage, while the other [&#8230;]</p>
<p>The post <a rel="nofollow" href="https://ats-environmental.com/new-and-improved-protocol-for-monitoring-fish-passage/">New and improved protocol for monitoring fish passage</a> appeared first on <a rel="nofollow" href="https://ats-environmental.com">ATS Environmental</a>.</p>
]]></description>
										<content:encoded><![CDATA[
<p>Hi all,</p>



<p>Tasman District Council in NZ has recently undertaken an unprecedented 23 day fish passage trial assessing fish movement through a twin barrel culvert.</p>



<p>The trial involved capturing and counting fish daily as they naturally migrated upstream through the culvert pipes. One of the pipes was remediated to improve fish passage, while the other pipe was left unremediated.</p>



<p>The remediated culvert was fitted with fish baffles and a ramp.</p>



<p>The results showed a great improvement in fish passage following remediation.</p>



<p>Check out the full report <a href="https://fishpassageactionteam.files.wordpress.com/2022/07/tdc-fish-passage-fish-surveys-olleycology-client-report-20220629.pdf" target="_blank" rel="noreferrer noopener">HERE</a>.</p>



<figure class="wp-block-image size-large is-resized is-style-default"><a href="https://ats-environmental.com/wp-content/uploads/62d8d276b49efd519b21d375.png"><img loading="lazy" decoding="async" src="https://ats-environmental.com/wp-content/uploads/62d8d276b49efd519b21d375-768x1024.png" alt="" class="wp-image-2731" width="262" height="348"/></a></figure>
<p>The post <a rel="nofollow" href="https://ats-environmental.com/new-and-improved-protocol-for-monitoring-fish-passage/">New and improved protocol for monitoring fish passage</a> appeared first on <a rel="nofollow" href="https://ats-environmental.com">ATS Environmental</a>.</p>
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		<title>Fish Passage Remediation Washington, USA</title>
		<link>https://ats-environmental.com/fish-passage-remediation-washington-usa/</link>
		
		<dc:creator><![CDATA[admin]]></dc:creator>
		<pubDate>Thu, 05 May 2022 00:57:00 +0000</pubDate>
				<category><![CDATA[General]]></category>
		<category><![CDATA[Fish Passage]]></category>
		<category><![CDATA[flexi-baffles]]></category>
		<category><![CDATA[flexible baffles]]></category>
		<guid isPermaLink="false">https://ats-environmental.com/?p=2713</guid>

					<description><![CDATA[<p>Hi everyone, We have recently received this video showing fish passage restoration in Whatcom County Washington. One of our team members; the director of SSA Environmental, Shane Scott, has been working hard to restore culverts/weirs across the United States. We absolutely love seeing restoration work done around the world. Shane has worked with the Nooksack [&#8230;]</p>
<p>The post <a rel="nofollow" href="https://ats-environmental.com/fish-passage-remediation-washington-usa/">Fish Passage Remediation Washington, USA</a> appeared first on <a rel="nofollow" href="https://ats-environmental.com">ATS Environmental</a>.</p>
]]></description>
										<content:encoded><![CDATA[
<p>Hi everyone,</p>



<p>We have recently received this video showing fish passage restoration in Whatcom County Washington.</p>



<p>One of our team members; the director of SSA Environmental, Shane Scott, has been working hard to restore culverts/weirs across the United States.</p>



<p>We absolutely love seeing restoration work done around the world.</p>



<p>Shane has worked with the Nooksack Salmon Enhancement Association to install  Flexi-Baffles to increase the depth and reduce velocity in this fast-flowing culvert.</p>



<figure class="wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio"><div class="wp-block-embed__wrapper">
<iframe loading="lazy" title="Great work done by the NSEA in Terrell Creek." width="1080" height="608" src="https://www.youtube.com/embed/58xKewetDeM?feature=oembed"  allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share" referrerpolicy="strict-origin-when-cross-origin" allowfullscreen></iframe>
</div></figure>
<p>The post <a rel="nofollow" href="https://ats-environmental.com/fish-passage-remediation-washington-usa/">Fish Passage Remediation Washington, USA</a> appeared first on <a rel="nofollow" href="https://ats-environmental.com">ATS Environmental</a>.</p>
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		<title>Fish Passage Webinar</title>
		<link>https://ats-environmental.com/fish-passage-webinar/</link>
		
		<dc:creator><![CDATA[admin]]></dc:creator>
		<pubDate>Tue, 05 Apr 2022 00:52:00 +0000</pubDate>
				<category><![CDATA[General]]></category>
		<category><![CDATA[Fish Passage]]></category>
		<category><![CDATA[Webinar]]></category>
		<guid isPermaLink="false">https://ats-environmental.com/?p=2710</guid>

					<description><![CDATA[<p>Hi Everyone,&#160; We hope everyone is safe and well! We loved listening to Kelly Hughes (of ATS Environmental) speak for the EIANZ Webinar covering the big picture fish passage subject.&#160; So much so that we&#8217;ve taken the recorded webinar and posted it to our YouTube channel for all the people who missed it. </p>
<p>The post <a rel="nofollow" href="https://ats-environmental.com/fish-passage-webinar/">Fish Passage Webinar</a> appeared first on <a rel="nofollow" href="https://ats-environmental.com">ATS Environmental</a>.</p>
]]></description>
										<content:encoded><![CDATA[
<p>Hi Everyone,&nbsp;</p>



<p>We hope everyone is safe and well!</p>



<p>We loved listening to Kelly Hughes (of ATS Environmental) speak for the EIANZ Webinar covering the big picture fish passage subject.&nbsp;</p>



<p>So much so that we&#8217;ve taken the recorded webinar and posted it to our YouTube channel for all the people who missed it. </p>



<figure class="wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio"><div class="wp-block-embed__wrapper">
<iframe loading="lazy" title="EIANZ Fish Passage Webinar" width="1080" height="608" src="https://www.youtube.com/embed/xlO8at_BBng?start=3&#038;feature=oembed"  allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share" referrerpolicy="strict-origin-when-cross-origin" allowfullscreen></iframe>
</div></figure>
<p>The post <a rel="nofollow" href="https://ats-environmental.com/fish-passage-webinar/">Fish Passage Webinar</a> appeared first on <a rel="nofollow" href="https://ats-environmental.com">ATS Environmental</a>.</p>
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		<title>Webinar invite &#124; Managing assets with respect to meeting fish passage requirements</title>
		<link>https://ats-environmental.com/webinar-invite-managing-assets-with-respect-to-meeting-fish-passage-requirements/</link>
		
		<dc:creator><![CDATA[admin]]></dc:creator>
		<pubDate>Tue, 08 Mar 2022 00:43:00 +0000</pubDate>
				<category><![CDATA[General]]></category>
		<category><![CDATA[Fish]]></category>
		<category><![CDATA[Fish Passage]]></category>
		<category><![CDATA[Webinar]]></category>
		<guid isPermaLink="false">https://ats-environmental.com/?p=2705</guid>

					<description><![CDATA[<p>Changing the narrative towards mass remediation across infrastructure networks. Everyone passionate about restoring fish passage and reconnecting waterways should take the time to sit in on this webinar. https://www.eianz.org/events/event/webinar-managing-assets-with-respect-to-meeting-fish-passage-requirements It is on Wednesday 9th March &#8211; 3 PM NZDT  </p>
<p>The post <a rel="nofollow" href="https://ats-environmental.com/webinar-invite-managing-assets-with-respect-to-meeting-fish-passage-requirements/">Webinar invite | Managing assets with respect to meeting fish passage requirements</a> appeared first on <a rel="nofollow" href="https://ats-environmental.com">ATS Environmental</a>.</p>
]]></description>
										<content:encoded><![CDATA[
<p>Changing the narrative towards mass remediation across infrastructure networks.</p>



<div class="wp-block-image"><figure class="aligncenter size-large"><a href="https://ats-environmental.com/wp-content/uploads/6225a0798d73c749b52e10f2.jpg"><img decoding="async" src="https://ats-environmental.com/wp-content/uploads/6225a0798d73c749b52e10f2-1024x579.jpg" alt="" class="wp-image-2706"/></a></figure></div>



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<p>Everyone passionate about restoring fish passage and reconnecting waterways should take the time to sit in on this webinar. <a href="https://7vpc3.r.ah.d.sendibm4.com/mk/cl/f/TYWjw1-7xu_DhE1KX1ABqLJ431TcFVwdFFzibW18eajT9gXVvgtuSPlwX6I4Fj7yZqC68A4Ff2wC6lLUyml7LZqMpTiicSa2suwTOflxdmMiyM0N5itnxkVw1EoLOlK5jdlapoMBhHk59eEpvMC1hDwSPKg-4isSWV4PbwovyknRIOdSIvcjyNfs0o5xPdCuD_SfaXl-viOk6ZFCQ9GcOF8DPC8lmqZWJFbewEwtrQJJLp0_EnSnxdbcMIma1NzOrtxEiJhrkdgy1Ij3DqxLzXzncAwBNYxj5DuSJRwBYLmFAxbZYYSxSw" target="_blank" rel="noreferrer noopener">https://www.eianz.org/events/event/webinar-managing-assets-with-respect-to-meeting-fish-passage-requirements</a> <strong>It is on Wednesday 9th March &#8211; 3 PM NZDT </strong> </p>
<p>The post <a rel="nofollow" href="https://ats-environmental.com/webinar-invite-managing-assets-with-respect-to-meeting-fish-passage-requirements/">Webinar invite | Managing assets with respect to meeting fish passage requirements</a> appeared first on <a rel="nofollow" href="https://ats-environmental.com">ATS Environmental</a>.</p>
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		<title>Mussel-Rope Part Two</title>
		<link>https://ats-environmental.com/mussel-rope-part-two/</link>
		
		<dc:creator><![CDATA[admin]]></dc:creator>
		<pubDate>Fri, 11 Feb 2022 00:30:59 +0000</pubDate>
				<category><![CDATA[General]]></category>
		<category><![CDATA[Mussel-Rope]]></category>
		<category><![CDATA[Mussel Rope]]></category>
		<guid isPermaLink="false">https://ats-environmental.com/?p=2692</guid>

					<description><![CDATA[<p>Further to our recent mailout where we discussed mussel rope at perched/overhanging structures, it&#8217;s now time to look at mussel-rope when placed within culverts. Mussel-rope is one of the tools that can be used to help improve fish passage where fast, laminar flow is present. If it is not viable to remove an existing culvert [&#8230;]</p>
<p>The post <a rel="nofollow" href="https://ats-environmental.com/mussel-rope-part-two/">Mussel-Rope Part Two</a> appeared first on <a rel="nofollow" href="https://ats-environmental.com">ATS Environmental</a>.</p>
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<p>Further to our recent mailout where we discussed mussel rope at perched/overhanging structures, it&#8217;s now time to look at mussel-rope when placed within culverts.</p>



<p>Mussel-rope is one of the tools that can be used to help improve fish passage where fast, laminar flow is present.</p>



<p>If it is not viable to remove an existing culvert or is not practical to fit baffles due to the small diameter (e.g. under 750mm or 2 &amp;1/2 feet), then mussel-rope can be considered as a remediation tool.</p>



<p>Obviously, the rope does not retain bed material, create rest-pools or the complexity that baffles do. Therefore rope should only be used as a last resort, and it should not be used at new culvert installs.</p>



<p>Below are some CFD images that show the effects the mussel-rope has on the depth and velocity in culverts.</p>



<figure class="wp-block-table"><table><tbody><tr><td><img decoding="async" width="564" alt="" src="https://mcusercontent.com/850b92766f2d9be08a096a1c5/images/38648517-577d-2aa7-08e9-eeb5831aa80d.png"></td></tr></tbody></table><figcaption>Model setup</figcaption></figure>



<figure class="wp-block-table"><table><tbody><tr><td><img decoding="async" width="564" alt="" src="https://mcusercontent.com/850b92766f2d9be08a096a1c5/images/753f111a-016c-8c1e-43ba-8e24723febcd.png"></td></tr></tbody></table><figcaption>No rope/rope comparison. <br>12Lt/sec</figcaption></figure>



<figure class="wp-block-table"><table><tbody><tr><td><img decoding="async" width="564" alt="" src="https://mcusercontent.com/850b92766f2d9be08a096a1c5/images/bd979a1c-115c-366f-2872-af0b961b2242.png"></td></tr></tbody></table><figcaption>12Lt/sec. 5 Degree slope</figcaption></figure>



<figure class="wp-block-table"><table><tbody><tr><td><img decoding="async" width="564" alt="" src="https://mcusercontent.com/850b92766f2d9be08a096a1c5/images/1200dffd-f3a3-471e-dcf9-cd1712645bc4.png"></td></tr></tbody></table><figcaption>12Lt/sec. 5 Degree slope</figcaption></figure>
<p>The post <a rel="nofollow" href="https://ats-environmental.com/mussel-rope-part-two/">Mussel-Rope Part Two</a> appeared first on <a rel="nofollow" href="https://ats-environmental.com">ATS Environmental</a>.</p>
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