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Rana Boylii) As Threatened Under the California Endangered Species Act

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Rana Boylii) As Threatened Under the California Endangered Species Act Item No.3 STAFF SUMMARY FOR APRIL 26-27, 2017 3. FOOTHILL YELLOW-LEGGED FROG (CONSENT) Today’s Item Information ☒ Action ☐ Receive DFW’s 90-day evaluation report on the petition to list foothill yellow-legged frog (Rana boylii) as threatened under the California Endangered Species Act. Summaryof Previous/Future Actions • Received petition Dec 14, 2016 • FGC transmitted petition to DFW Dec 22, 2016 • Published notice of receipt of petition Jan 20, 2017 • Today’s receipt of DFW's 90-day evaluation Apr 26-27, 2017; Van Nuys • Determine if candidacy listing is warranted June 21-22, 2017; Smith River Background A petition to list foothill yellow-legged frog was submitted by the Center for Biological Diversity on Dec 14, 2016. On Dec 22, 2016, FGC transmitted the petition to DFW for review. A Notice of Receipt of Petition was published in the California Regulatory Notice Register on Jan 20, 2017. California Fish and Game Code Section 2073.5 requires that DFW evaluate the petition and submit to FGC a written evaluation with a recommendation (Exhibit 1). Based upon the information contained in the petition and other relevant information, DFW has determined that there is sufficient scientific information available at this time to indicate that the petitioned action may be warranted. DFW recommends that the petition be accepted and considered. Significant Public Comments Concern that listing the foothill yellow-legged frog as a threatened species could restrict or prohibit recreational fishing where foothill yellow-legged frog habitat exists today, or has in the past. As part of the deliberative process, analyze which bodies of water would be impacted, and to what extent and for how long fish stocking and recreational fishing would be restricted in these areas. Such information would be of value to California aquaculture and to communities dependent on recreational fishing for outdoor tourism and jobs. See Exhibit 2. Recommendation FGC staff: Under a motion to adopt the consent calendar, accept DFW’s evaluation report to allow staff to provide notice of consideration of DFW’s candidacy recommendation in Jun 2017. DFW: Accept and consider the petition. Exhibits 1. DFW memo, dated Apr 17, 2017 2. DFW 90-day evaluation, dated Apr 2017 3. Email from Marko Mlikotin, California Sportfishing League, dated Feb 7, 2017 Author: Sheri Tiemann 1 Item No.3 STAFF SUMMARY FOR APRIL 26-27, 2017 Motion/Direction Moved by __________ and seconded by __________that the Commission adopts the consent calendar, items 3-6. Author: Sheri Tiemann 2 State of California Natural Resources Agency Department of Fish and Wildlife REPORT TO THE FISH AND GAME COMMISSION EVALUATION OF THE PETITION FROM THE CENTER FOR BIOLOGICAL DIVERSITY TO LIST THE FOOTHILL YELLOW-LEGGED FROG (RANA BOYLII) AS THREATENED UNDER THE CALIFORNIA ENDANGERED SPECIES ACT Photo by Marcia Grefsrud Prepared by California Department of Fish and Wildlife April 2017 Table of Contents I. Executive Summary ............................................................................................................. 1 II. Introduction .......................................................................................................................... 2 A. Candidacy Evaluation ..................................................................................................... 2 B. Petition History ............................................................................................................... 4 C. Overview of Foothill Yellow-legged Frog Ecology ........................................................... 5 III. Sufficiency of Scientific Information to Indicate the Petitioned Action May Be Warranted ..... 6 A. Range............................................................................................................................. 6 1. Scientific Information in the Petition .......................................................................... 6 2. Other Relevant Scientific Information ........................................................................ 7 3. Sufficiency of the Petition with regard to Range ........................................................ 7 B. Kind of Habitat Necessary for Survival............................................................................ 7 1. Scientific Information in the Petition .......................................................................... 7 2. Other Relevant Scientific Information ........................................................................ 8 3. Sufficiency of the Petition with regard to Kind of Habitat Necessary for Survival ....... 9 C. Life History ..................................................................................................................... 9 1. Scientific Information in the Petition .......................................................................... 9 2. Other Relevant Scientific Information .......................................................................11 3. Sufficiency of the Petition with regard to Life History ................................................11 D. Distribution and Abundance ...........................................................................................11 1. Scientific Information in the Petition .........................................................................11 2. Other Relevant Scientific Information .......................................................................23 3. Sufficiency of the Petition with regard to Distribution and Abundance ......................26 E. Population Trend ...........................................................................................................26 1. Scientific Information in the Petition .........................................................................26 2. Other Relevant Scientific Information .......................................................................28 3. Sufficiency of the Petition with regard to Population Trend ......................................28 F. Factors Affecting the Ability to Survive and Reproduce and Degree and Immediacy of Threat ............................................................................................................................29 1. Scientific Information in the Petition .........................................................................29 2. Other Relevant Scientific Information .......................................................................36 i 3. Sufficiency of the Petition with regard to Factors Affecting the Ability to Survive and Reproduce and Degree and Immediacy of Threat ...................................................36 G. Impact of Existing Management Efforts .........................................................................36 1. Information in the Petition ........................................................................................36 2. Other Relevant Information ......................................................................................40 3. Sufficiency of the Petition with regard to Impacts of Existing Management Efforts ...40 H. Suggestions for Future Management .............................................................................41 1. Information in the Petition ........................................................................................41 2. Other Relevant Information ......................................................................................42 3. Sufficiency of the Petition with regard to Suggestions for Future Management ........42 I. Availability and Sources of Information ..........................................................................43 1. Information in the Petition ........................................................................................43 2. Other Relevant Information ......................................................................................43 3. Sufficiency of the Petition with regard to Availability and Sources of Information .....43 J. Detailed Distribution Map...............................................................................................43 1. Information in the Petition ........................................................................................43 2. Other Relevant Information ......................................................................................43 3. Sufficiency of the Petition with regard to a Detailed Distribution Map .......................43 IV. Status of the Species ..........................................................................................................43 V. Literature Cited ....................................................................................................................44 ii I. Executive Summary The Center for Biological Diversity (CBD) submitted a petition (Petition) to the Fish and Game Commission (Commission) to list the Foothill Yellow-legged Frog (Rana boylii) as threatened pursuant to the California Endangered Species Act (CESA), Fish and Game Code Section 2050 et seq. The Commission referred the Petition to the Department of Fish and Wildlife (Department) in accordance with Fish and Game Code Section 2073. (Cal. Reg. Notice Register 2017, No. 3-Z, p. 46.) Pursuant to Fish and Game Code Section 2073.5 and Section 670.1 of Title 14 of the California Code of Regulations, the Department has prepared this evaluation report for the Petition (Petition Evaluation). The Petition Evaluation is an evaluation of the scientific information discussed and cited in the Petition
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