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LP Chicken Estimated Occupied Range
2019-07-31T00:00:00
2020-03-27T00:00:00
2020-03-27T00:00:00
Seth McClean
Colorado Parks and Wildlfie
6060 Broadway
Denver
Colorado
80216
Seth.McClean@state.co.us
US
303-291-7163
This data was compiled for the Colorado Oil and Gas Conservation Commission in response to SB181. This layer may contain interim updates by CPW and may not represent features approved by the commission.
Lesser Prairie Chicken
Overall Range
Estimated Occupied Range
Colorado
SB181
309E1
<DIV STYLE="text-align:Left;"><DIV><DIV><P><SPAN>The Colorado Lesser Prairie Chicken EOR is</SPAN><SPAN>an area which encompasses all known seasonal activities within the observed range of the lesser prairie chicken. The range was mapped and edited by the Colorado Parks and Wildlife (CPW) Bird Conservation Coordinator, CPW Area 12 Wildlife Biologist (where the bird range is located) and the CPW GIS Unit. The purpose of this layer is to indicate suitable range within Colorado for the Lesser Prairie Chicken based on suitable habitat present. Data used to help map the range include area soil data, CRP property and location of known Lesser Prairie Chicken leks.</SPAN></P><P><SPAN>The range was separated into two Ecoregions Sandsage and Shortgrass to indicate the habitat type the range falls in.</SPAN></P><P><SPAN>As a component of the 5-Year Review of the Range-wide Conservation Plan (Van Pelt et al. 2013), the Interstate Working Group (IWG) evaluated and re-mapped (as necessary) the Estimated Occupied Range (EOR) along with the Focal Areas (CHAT 1) and Connectivity Zones (CHAT 2) across lesser prairie-chicken (LPC) range in Colorado, Kansas, Oklahoma, Texas, and New Mexico. The IWG used the criteria below to adjust the EOR and Focal Area and Connectivity Zone delineations. The proposed mapping revisions are based on best available science and local knowledge. The IWG presented the initial proposed mapping changes to the LPC State Implementation Teams for review in late 2019 and early 2020. Recommended changes to the range-wide EOR boundary will be included in the 10-year review of the RWP. The current 5-year Review will only recommend changes to Focal Areas (CHAT 1) and Connectivity Areas (CHAT 2) such that there is no change to the EOR+10 in the RWP (Van Pelt et. al 2013) and associated area of coverage for the LPC Candidate Conservation Agreement with Assurances (CCAA) (USFWS 2014). However, individual states may decide to use the updated EOR mapping for land-use recommendations and targeting habitat conservation and restoration. Colorado Parks and Wildlife (CPW) will use current biologically-based mapping for LPC conservation in Colorado. </SPAN></P><P><SPAN><SPAN>Colorado Parks and Wildlife revised LPC mapping was completed by Liza Rossi (Bird Conservation Coordinator), Jonathan Reitz (Lamar Terrestrial Biologist), and Michelle Flenner (GIS Specialist) in July 2019. CPW made adjustments to the EOR as well as Focal Areas (CHAT 1) and Connectivity Zones (CHAT 2). Mapping adjustments were based on the information below.</SPAN></SPAN></P><UL STYLE="margin:0 0 0 0;padding:0 0 0 0;"><LI><P><SPAN><SPAN>The EOR was expanded to include the majority of documented leks, including areas in Cheyenne County not included in 2013. The northern portion of the proposed EOR would connect to Kansas and be included in the Shortgrass/CRP Mosaic Ecoregion rather than the Sand Sagebrush Ecoregion. </SPAN></SPAN></P></LI><LI><P><SPAN><SPAN>Jonathan Reitz increased CPW lek searching effort in spring 2019 in order to help inform CHAT (Focal Area and Connectivity Zones) mapping and EOR review and revisions. He increased efforts in anticipation that the IWG would be reviewing and proposing changes to the CHAT layers and potentially EOR as part of the 5-year RWP review. During 2019 intensified lek searches, Jonathan identified multiple new leks in Cheyenne County. However, a lek in eastern and northern Cheyenne County near the Kansas state line, but outside mapped EOR, has been documented since 2015. </SPAN></SPAN></P></LI><LI><P><SPAN><SPAN>For proposed changes in Cheyenne County, we used lek data to include areas outside of the current EOR, but which now clearly have lesser prairie-chickens. LPC leks (many of which are mixed LPC and greater prairie-chicken leks) in this area have also been located by consultants surveying for wind companies. </SPAN></SPAN></P></LI><LI><P><SPAN><SPAN>For the proposed changes in Baca County, it is important to note that we used locations from translocated LPC, which have changed our understanding of LPC habitat use in southeastern Colorado. The translocated LPC are using CRP grasslands and portions of shortgrass and mid-grass prairie that were not originally included in the sand sagebrush prairie CHAT mapping. 2013 CHAT mapping focused largely on sandy soils and excluded many of the soils associated with shortgrass and mid-grass areas. </SPAN></SPAN></P></LI><LI><P><SPAN><SPAN>We are proposing to reduce the EOR in Prowers County based on local knowledge of LPC use in the area. Although there is a single historic lek identified in this area, this lek was only documented during a single year and had only three birds on it.</SPAN></SPAN></P></LI></UL><P><SPAN><SPAN>The proposed changes were presented at the Colorado LPC State Implementation Team Meeting in Lamar on November 14, 2019. The group there was supportive of the changes and thought we should reflect our biological understanding of LPC distribution rather than being confined by the 2013 RWP covered area. CPW is proposing these changes to reflect current distribution of LPC in Colorado. CPW updates Species Activity Mapping (SAM) every four years across Colorado. SAM mapping will be updated for the CPW SE Region in 2020 and the updated Colorado EOR as well as proposed CHAT 1 and CHAT 2 will be incorporated in CPW mapping. The proposed changes were reviewed and agreed to by CPW Area 12 personnel at an Area Meeting on February 5, 2020. Although CPW will move forward with this mapping for Colorado conservation efforts, formal changes to the covered area of the RWP (2013 EOR +10, Van Pelt et al. 2013) or the Range-wide Oil and Gas Candidate Conservation Agreement with Assurances for the Lesser Prairie-Chicken (CCAA, USFWS 2014) will be evaluated through the 10-Year Review of the RWP or an update to the CCAA). Changes to the CHAT mapping will be presented as part of the 5-year Review to the Lesser Prairie-Chicken Initiative Council. </SPAN></SPAN></P><P /><P><SPAN><SPAN>USFWS. 2014. Range-Wide Oil and Gas Candidate Conservation Agreement with Assurances for the Lesser Prairie-Chicken (</SPAN></SPAN><SPAN STYLE="font-style:italic;"><SPAN>Tympanuchus pallidicinctus</SPAN></SPAN><SPAN><SPAN>) in Colorado Kansas, New Mexico, Oklahoma, and Texas. 78 FR 76639.</SPAN></SPAN></P><P><SPAN><SPAN>Van Pelt, W.E., S. Kyle, J. Pitman, D. Klute, G. Beauprez, D. Schoeling, A. Janus, J. Haufler. 2013. The Lesser Prairie-Chicken Range-wide Conservation Plan. Western Association of Fish and Wildlife Agencies. Cheyenne, Wyoming. Pp.367.</SPAN></SPAN></P><P><SPAN><SPAN>Interstate Working Group Members include: Kent Fricke, chair (Kansas Department of Wildlife, Parks and Tourism), Liza Rossi (Colorado Parks and Wildlife), Brett Cooper (Oklahoma Department of Wildlife Conservation), Grant Beauprez (New Mexico Department of Game and Fish), and Russell Martin (Texas Parks and Wildlife Department).</SPAN></SPAN></P><P><SPAN /><SPAN /></P></DIV></DIV></DIV>
Colorado Parks and Wildlife Biologists
<DIV STYLE="text-align:Left;"><DIV><DIV><P><SPAN>This wildlife distribution map is a product and property of Colorado Parks and Wildlife, a division of the Colorado Department of Natural Resources. Care should be taken in interpreting these data. Written documents may accompany this map and should be referenced. The information portrayed on these maps should not replace field studies necessary for more localized planning efforts. The data are gathered at a variety of scales; discrepancies may become apparent at larger scales. The areas portrayed here are graphic representations of phenomena that are difficult to reduce to two dimensions. Animal distributions are fluid; animal populations and their habitats are dynamic.</SPAN></P></DIV></DIV></DIV>
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2020-03-27T00:00:00
2024-03-27T00:00:00
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Seth McClean
Colorado Parks and Wildlfie
6060 Broadway
Denver
Colorado
80216
Seth.McClean@state.co.us
US
303-291-7163
True
Seth McClean
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