Difference between revisions of "Humpback Chub Page"

From Glen Canyon Dam AMP
Jump to: navigation, search
(add)
 
Line 1: Line 1:
  
 
----
 
----
*'''Habitat:''' is a necessary element for HBC success. HBC occupy eddy habitats and talus shorelines, but are appatently selective for backwater habitats, and there are similar daily movements and habitat use between flow events.  (Bill Pine)
+
__NOTOC__  __NOEDITSECTION__
 +
<!--
 +
 
 +
------------------------------Banner across top of page------------------------------>
 +
{| style="width:100%; background:#fcfcfc; margin-top:1.2em; border:1px solid #ccc;"
 +
|style="width:25%; color:#000"| <!--
 +
*[[Image:Fish_Jumping.gif|40px‎|link=]]
 +
-----------'''Welcome to the ENERGY SERVICES GROUP HOME PAGE'''---------->
 +
<table class=MsoTableGrid border=0 cellspacing=0 cellpadding=0
 +
style='border-collapse:collapse;mso-yfti-tbllook:480;mso-padding-alt:0in 5.4pt 0in 5.4pt'>
 +
<tr style='mso-yfti-irow:0;mso-yfti-firstrow:yes'>
 +
  <td width=40% valign=bottom align=left style='width:2.05in;padding:0in 5.4pt 0in 5.4pt'>
 +
  <p class=MsoNormal>[[Image:Humpback-large- PIC.jpg|thumb|left|250px]]</p>
 +
  </td>
 +
  </tr>
 +
</table>
 +
 
 +
<!--
 +
 
 +
------------Portal list on righthand side---------->
 +
|style="width:60%; font-size:95%;"|
 +
'''Description'''
 +
 
 +
 
 +
 
 +
 
 +
 
 +
|}<!--
 +
 
 +
----------Strapline immediately below banner---------->
 +
{| style="width:100%; height:50px" border=1px solid #ccc; background:#cedff2
 +
! style="width=33%; background:#cedff2;" | [[Table- Fish Species of the CR- GLEN and Grand| Fish Species of the Colorado River in Lower Glen Canyon and Grand Canyon]]<br>(See Fish Table)
 +
! style="width=33%; background:#cedff2;" | [[TBD|TBD]] <br>(TBD)<br>
 +
 
 +
! style="width=33%; background:#cedff2;" | [[TBD|TBD]]<br>(TBD)
 +
|}
 +
 
 +
{|style="margin:0px 0px 0px 0px; background:none;"
 +
|class="MainPageBG" style="width:55%; border:1px solid #cef2e0; background:#f5faff; vertical-align:top; color:#000;"|
 +
{|width="100%" cellpadding="2" cellspacing="5" style="vertical-align:top; background:#f5faff;"
 +
! <h2 style="margin:0; background:#cedff2; font-size:120%; font-weight:bold; border:1px solid #a3bfb1; text-align:left; color:#000; padding:0.2em 0.4em;">GROUP MEMBERS</h2>
 +
No Ad-Hoc Group currently assigned
 +
*[[Media:141029 USFWS HBC Downlsting.pdf |141029 USFWS HBC Down listing -Topic]]
 +
 
 +
|-
 +
|style="color:#000;"|
 +
 
 +
|-
 +
! <h2 style="margin:0; background:#cedff2; font-size:120%; font-weight:bold; border:1px solid #a3bfb1; text-align:left; color:#000; padding:0.2em 0.4em;">News</h2>
 +
|-
 +
|style="color:#000;"|
 +
 
 +
 
 +
 
 +
 
 +
 
 +
----
 +
===''Quick Facts''===
 +
 
 +
 
 +
===''Work in progress''===
 +
*[[Image:Little Colorado River PIT-tag arrays.jpg|thumb|left|250px]]
 +
*[[Media:RValdez Talus shoreline habitat used by HBC.doc| RValdez_Talus shoreline habitat used by HBC]]
 +
 
 +
 
 +
**'''[[GCDAMP Fish| Fish]]'''
 +
 
 +
 
 +
 
 +
|}
 +
 
 +
 
 +
 
 +
*'''HISTORY''' 
 +
 
 +
 
 +
*'''POTENTIAL THREATS:''' 
 +
*Smallmouth Bass -- In early 2000, smallmouth bass increased dramatically in abundance in the Yampa River and Upper Colorado River.  Just over a decade later, the species cannot be brought under control.
 +
*"Prior to Glen Canyon Dam, the Colorado River was dominated by highly predacious non-native channel catfish.  Catfish are warm water fish...Regular flooding of the LCR may be keeping catfish out of the LCR and cold water in the Colrado River does not provide habitat for catfish or other warm water fishWithout Glen Canyon Dam chubs may have been extirpated from Grand Canyon, catfish would still be the dominant fish in the Colorado River and the LCR." ''(090711_Minority Report to TWG_FFF_Mark Steffen)''
 +
*[http://www.scientificamerican.com/article.cfm?id=grand-canyon-fish-relocation-spurs-recovery Should a disaster such as a landslide cut off the Little Colorado chub from the mainstem, the species could quickly become extinct -Article LINK]
 +
<!--
 +
 
 +
----
 +
--------------------------------ADDITIONAL------------------------------->
 +
|class="MainPageBG" style="width:45%; border:1px solid #cedff2; background:#f5faff; vertical-align:top;"|
 +
{| width="100%" cellpadding="2" cellspacing="5" style="vertical-align:top; background:#f5faff;"
 +
! <h2 style="margin:0; background:#cedff2; font-size:120%; font-weight:bold; border:1px solid #a3b0bf; text-align:left; color:#000; padding:0.2em 0.4em;">INFORMATION</h2>
 +
|-
 +
|style="color:#000;"|
 +
 
 +
 
 +
|-
 +
! <h2 style="margin:0; background:#cedff2; font-size:120%; font-weight:bold; border:1px solid #a3b0bf; text-align:left; color:#000; padding:0.2em 0.4em;">Reports and Links </h2>
 +
|-
 +
|style="color:#000;"|
 +
2015
 +
*
 +
 
 +
|-
 +
! <h2 style="margin:0; background:#cedff2; font-size:120%; font-weight:bold; border:1px solid #a3b0bf; text-align:left; color:#000; padding:0.2em 0.4em;">Other Stuff</h2>
 +
|-
 +
|style="color:#000;"|
 +
 +
 
 +
 
 +
 
 +
 
 +
<br>
 +
 
 +
|}
 +
*[[File:Important Science Insight of 2012 page 2.jpg|300px]]
 +
*[[File:MAP- USFWS-TWG meeting-141028.jpg |300px]]
 +
*[[File:HBC-Kurt- PIC.jpg|330px]]
 +
 
 +
<Span></Span>

Revision as of 17:36, 6 January 2016


Humpback-large- PIC.jpg

Description



Fish Species of the Colorado River in Lower Glen Canyon and Grand Canyon
(See Fish Table)
TBD
(TBD)
TBD
(TBD)

GROUP MEMBERS

No Ad-Hoc Group currently assigned

News




Quick Facts

Work in progress




  • HISTORY


  • POTENTIAL THREATS:
  • Smallmouth Bass -- In early 2000, smallmouth bass increased dramatically in abundance in the Yampa River and Upper Colorado River. Just over a decade later, the species cannot be brought under control.
  • "Prior to Glen Canyon Dam, the Colorado River was dominated by highly predacious non-native channel catfish. Catfish are warm water fish...Regular flooding of the LCR may be keeping catfish out of the LCR and cold water in the Colrado River does not provide habitat for catfish or other warm water fish. Without Glen Canyon Dam chubs may have been extirpated from Grand Canyon, catfish would still be the dominant fish in the Colorado River and the LCR." (090711_Minority Report to TWG_FFF_Mark Steffen)
  • Should a disaster such as a landslide cut off the Little Colorado chub from the mainstem, the species could quickly become extinct -Article LINK

INFORMATION


Reports and Links

2015

Other Stuff




  • Important Science Insight of 2012 page 2.jpg
  • MAP- USFWS-TWG meeting-141028.jpg
  • HBC-Kurt- PIC.jpg