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WSP03526
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Last modified
1/26/2010 12:50:53 PM
Creation date
10/11/2006 11:47:10 PM
Metadata
Fields
Template:
Water Supply Protection
File Number
8220.101.10.E
Description
Glen Canyon Dam/Lake Powell
State
AZ
Basin
Colorado Mainstem
Date
11/1/1989
Author
USDOI-USFWS
Title
Kanab Ambersnail Recovery Plan
Water Supply Pro - Doc Type
Biological Opinion
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<br />\": <br /> <br />(; <br /> <br />!"" <br /> <br />i:'r. <br /> <br />Through an inventory of all suitable habitat, perhaps additional <br />populations can be located and essential habitat identified. <br /> <br />(~ <br />f.,. <br />r,:~" <br />,. <br />r, <br />.: <br />, <br />j' <br />( <br />, <br />~:":- <br />, <br />(' <br />i <br /> <br />3. Inventory a 11 sui tab 1 e habi tat for the Kanab ambersnail . <br /> <br />T- <br /> <br />3.1 Identify. delineate. and census existinq populations of the Kanab <br />ambersnail. <br /> <br />r:- <br />f. <br /> <br />, <br />;:. <br /> <br />\{" I <br />\.;" <br /> <br />~ ' " <br /> <br />Inventories will define the.areas occupied by Kanab ambersnail <br />populations and an initial total population estimate. This <br />information will provide a biological baseline necessary for <br />determining population trend and indications of any obscure <br />factors affecting the species population. <br /> <br />:).tii, <br />f.~: <br />~';i <br />!;: <br /> <br />~, " <br /> <br />I ~'.- <br />l:;~' 1 <br /> <br />1:.- <br />c.:. <br /> <br />V;. <br />~. ." <br />.', <br />~:.:: i <br />I,'. <br />" <br /> <br />These surveys will include age class distribution. documentation. <br />of losses. and population trends. and the impact of recreational <br />trampling. predation. disease. parasitism, etc. on the species <br />will be quantified. This task will be the responsibility of the <br />affected land managing agencies with technical assistance from <br />the Service as needed. <br /> <br /> <br />-." <br /> <br />~~";. <br /> <br />~ <br /> <br />,.-.: <br /> <br />3.2 IdentifY and survey potential habitat of the Kanab ambersnail. <br /> <br />Potential habitat in spring and seep fed wetlands near the <br />current range of the species will be surveyed for suitable <br />habitat. The possibility exists that additional populations of <br /> <br />18 <br />
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