Conservation Assessment For The Western Pond Turtle In Oregon Actinemys Marmorata
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Conservation Assessment For The Western Pond Turtle In Oregon Actinemys Marmorata
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Author : Daniel Rosenberg
language : en
Publisher:
Release Date : 2009
Conservation Assessment For The Western Pond Turtle In Oregon Actinemys Marmorata written by Daniel Rosenberg and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009 with Western pond turtle categories.
Best Management Practices For The Conservation Of Western Pond Turtle Populations In California
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Author : Cristina Yarnal
language : en
Publisher:
Release Date : 2019
Best Management Practices For The Conservation Of Western Pond Turtle Populations In California written by Cristina Yarnal and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019 with categories.
This project provides insight into western pond turtle (Actinemys marmorata) population health at sites in three states on the western part of the United States. Washington, Oregon and California have identified the western pond turtle as endangered, a critical and a species of special concern in that respective order. Washington has implemented a recovery plan for western pond turtles and Oregon has established best management practices for the conservation of native turtles. California has yet to establish any guidelines for the conservation of western pond turtles. This species is endemic to the western United States and has been suffering from declining populations since the late 1800s. The factors that have contributed to the decline in western pond turtle numbers include: historical commercial food use, habitat destruction and fragmentation by water diversions, urbanization and agriculture, non-native species interactions, fire, drought, and flood which are increased by climate change due to anthropogenic activity. Reptiles in general do not do well with high disturbance rates in their environment, due to their slow movements. Western pond turtles have also been afflicted by different diseases, such as a respiratory illness that decimated one-third of the population in Washington and shell disease that has been affecting populations in Washington, Oregon and California. Exposure to diseases is proliferated by contact with released pet turtles, as captive turtles contain different bacteria. The western pond turtle sites analyzed are in the Columbia Gorge and South Puget Sound in Washington, Willamette Drainage in Oregon and sites in Lake County, San Diego County and Yolo County in California. These sites were analyzed through a combination of data from peer-reviewed, unpublished literature and government agency reports. The purpose of this research is to determine the effectiveness of management plans and strategies used for the recovery and conservation of western pond turtle populations, with an emphasis on head-starting programs, non-native species removal, habitat restoration and enhancement. The results will be analyzed by looking at historical data and more recent results in relatively the same area to determine if the western pond turtle populations have increased or decreased at those sites, in order to best allocate resources and prepare management plans for the conservation of western pond turtle populations in California. The recommendations being propose are surveying and monitoring, collaboration, habitat restoration/enhancement, non-native species removal, head-start programs and land acquisition. The analysis between sites in Washington, Oregon and California showed some progress but requires further research.
Western Pond Turtle Actinemys Marmorata Conservation
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Author : Daniel Kingsbury Ohrn
language : en
Publisher:
Release Date : 2009
Western Pond Turtle Actinemys Marmorata Conservation written by Daniel Kingsbury Ohrn and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009 with categories.
Willamette River Floodplain Restoration Oregon
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Author : United States. Office of the Assistant Secretary of the Army (Civil Works)
language : en
Publisher:
Release Date : 2014
Willamette River Floodplain Restoration Oregon written by United States. Office of the Assistant Secretary of the Army (Civil Works) and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014 with Environmental impact analysis categories.
Conservation Assessment For The Western Painted Turtle In Oregon Chrysemys Picta Bellii
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Author : Jennifer Gervais
language : en
Publisher:
Release Date : 2009
Conservation Assessment For The Western Painted Turtle In Oregon Chrysemys Picta Bellii written by Jennifer Gervais and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009 with Western painted turtle categories.
The Western Pond Turtle
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Author : Dan C. Holland
language : en
Publisher:
Release Date : 1994
The Western Pond Turtle written by Dan C. Holland and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1994 with Turtles categories.
The Movements Habitat Use And Population Assessment Of Western Pond Turtles Actinemys Marmorata In A Southern California Seasonal Wetland
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Author : Barry S. Nerhus (Jr.)
language : en
Publisher:
Release Date : 2016
The Movements Habitat Use And Population Assessment Of Western Pond Turtles Actinemys Marmorata In A Southern California Seasonal Wetland written by Barry S. Nerhus (Jr.) and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016 with Pond animals categories.
Abstract: This study investigates the population dynamics, movements, and habitat use of a population of western pond turtles in Orange County, California from 2008-2012 using radio telemetry and mark-recapture data. Western pond turtles have been thought to be declining throughout their range. However, few studies have documented their status in southern California, where urbanization has changed the landscape drastically in recent decades. I individually marked 236 pond turtles using hoop-net funnel traps and estimated the population size at 308 individuals, which is the largest estimate reported in southern California. Mean capture per unit effort was 5.03±0.87. Mean female carapace length (CL) (142±14mm) was not significantly larger than males (139±14 mm). I also documented 20 nest and 9 estivation locations. Mean distances included 176 ±130.80 meters (m) and 91±58.6 m. These data identify the population demography, which can be a metric of population stability. Other known populations need to be estimated to determine their regional status.
A Comparison Of Western Pond Turtle Actinemys Marmorata Movements In Perennial And Intermittent Portions Of A Northwestern California River System
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Author : Cheryl A. Bondi
language : en
Publisher:
Release Date : 2009
A Comparison Of Western Pond Turtle Actinemys Marmorata Movements In Perennial And Intermittent Portions Of A Northwestern California River System written by Cheryl A. Bondi and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009 with Western pond turtle categories.
Status Of The Western Pond Turtle Clemmys Marmorata In Washington
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Author : Washington (State). Department of Wildlife
language : en
Publisher:
Release Date : 1993
Status Of The Western Pond Turtle Clemmys Marmorata In Washington written by Washington (State). Department of Wildlife and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1993 with Clemmys categories.
Population Structure Life History And Terrestrial Movements Of Western Pond Turtles Actinemys Marmorata In Lentic Habitats Along The Trinity River California
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Author : Leah Marie Sloan
language : en
Publisher:
Release Date : 2012
Population Structure Life History And Terrestrial Movements Of Western Pond Turtles Actinemys Marmorata In Lentic Habitats Along The Trinity River California written by Leah Marie Sloan and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012 with Western pond turtle categories.