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THE MARYLAND AMPHIBIAN & REPTILE ATLAS Atlas v2.pdf · A VOLUNTEER-BASED DISTRIBUTIONAL SURVEY THE MARYLAND AMPHIBIAN & REPTILE ATLAS Maryland Amphibian & Reptile Atlas

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  • A VOLUNTEER-BASED

    DISTRIBUTIONAL SURVEY

    THE MARYLAND AMPHIBIAN & REPTILE ATLAS

    Maryland Amphibian & Reptile Atlas

  • GLOBAL DECLINE OF AMPHIBIANS & REPTILES

    Amphibians 30% Salamanders 49%

    Frogs 29%

    Reptiles 21% Turtles 62%

    Snakes & Lizards 21%

    2010 Source: IUCN 2010 Red List Summary Statistics

    http://www.iucnredlist.org/documents/summarystatistics/2010_4RL_Stats_Table_4a.pdf

    Birds 12.3%

    Mammals 26%

  • AMPHIBIAN & REPTILE DIVERSITY

    Map of Amphibian Diversity

    Global = 6,600+ species

    US = ~295 species

    MD = 41 species

    Map of Reptile Diversity

    Global = 6,000+ species

    US = ~316 species

    MD = 52 species

  • Tortoise & Freshwater Turtle Distribution

    (from Peter Paul van Dijk, Conservation International)

    REPTILE DIVERSITY

    320 turtle species world-wide

    57 (20% of the world's turtle species) are found in the US and Canada

  • Amphibians and reptiles face serious

    conservation pressures.

    Knowledge of current distribution patterns is vital for

    long-term conservation of amphibians and reptiles.

    Photographs by Heather Cunningham

  • MARYLAND AMPHIBIAN & REPTILE ATLAS

    Co-sponsors

    Natural History Society of Maryland

    Maryland Department of Natural Resources

    Last publication on the distribution of Marylands herpetofauna was published in 1975

    Photograph by Lance Benedict

  • GOALS

    Document the statewide distribution of Marylands amphibians and reptiles using a systematic and repeatable approach

    Find rare species locations for future conservation efforts

    Raise public awareness about

    the importance and value of this group of organisms

  • 1983-1987

    2002-2006

  • COORDINATION

    Steering Committee

    Statewide Coordinator

    County Coordinators

    Lower Shore Herp Atlas training session

    Annual Meeting

  • SURVEY METHODS

    Grid-based system using U.S. Geological Survey 7.5 minute quadrangles with each divided into six blocks. 260 Quads & 1,441 blocks (1,293 land blocks)

    Google Earth Smartphone App

  • 10 species per Atlas block &

    25 species per Atlas quad OR

    25 hours per Atlas quad

    Photograph by Matthew Kirby

    COVERAGE GOALS

  • DATA COLLECTION

    Citizen scientists can collect data in two ways

    Observer

    Opportunistic sightings

    Surveyor Active searches

    Photographs are encouraged for all submissions but are not a requirement for all species. Audio recordings of frog calls are also accepted.

  • RESOURCES

    MARA Website

    Electronic newsletters

    Flyer

    Overview

    Training manual

    Activity calendars

    Brochure

  • SOCIAL MEDIA

    1,191 unique viewers

    991 unique viewers

    657 unique viewers

    https://www.facebook.com/MDHerpAtlas

  • COORDINATED SEARCHES

    NHSM

  • CURRENT RESULTS

    Records per person range from 1 2,034 695 volunteers submitted 1-10 sightings

    42 volunteers submitted100+ sightings (76% of records)

    Quads per person 1-100 853 volunteers visited 1-10 quads

    Blocks per person 1-379 820 volunteers visited 1-10 blocks

    281 participants recorded active search hours

    Hours searching per person range from .25-

    625 hours 51participants searched from 50+hours

  • 27,377 total records

    13,760 with vouchers

    24,145.34 total hours

    Research Year Total Sightings

    2009 466

    2010 7015

    2011 7486

    2012 6639

    2013 5769

    2014 2

    Research Year Person-Hours

    2009 487.96

    2010 5393.16

    2011 7395.49

    2012 6327.30

    2013 4541.43

  • OVERALL QUAD COVERAGE

    246 quads

    245 quads have data

    99 % have data

    63 % have 25+ species

    75 % have 25+ hours

  • OVERALL BLOCK COVERAGE

    1,293 total blocks

    1,221 blocks with

    data

    94 % with data

    72 % of blocks with

    10+ species

  • CONTRIBUTION OF TAXONOMIC GROUPS

    Photograph by Bonnie Ott

  • HIGHLIGHTS

    Coal Skink Allegany County Photograph by Ed Thompson Rainbow Snake

    Charles County Photograph by Lance Benedict

    Northern Scarletsnake Howard County Photograph by Kevin Crocetti

    Eastern Narrow-mouthed Toad St. Marys County Photograph by Kyle Rambo

    Northern Map Turtle Harford County Photograph by Scott McDaniel

    Marylands rare, threatened, and endangered species

  • Barking Treefrog Kent County Photograph by Kyle Loucks

    Timber Rattlesnake Frederick County Photograph by Heather Cunningham

    Mountain Earthsnake Garrett County Photograph by Bill Hubick

    Jefferson Salamander Montgomery County Photograph by Rachel Gauza

    Eastern Tiger Salamander Kent County Photograph by Kyle Loucks

  • NON-NATIVE SPECIES 75 reports of non-native species from 62 blocks

    Mediterranean House Gecko Cecil County Photograph by Carrie Samis

    American Alligator Carroll County Photograph by Samantha Good

    Northwest Salamander Calvert County Photograph by Melissa Kapper

    Florida Softshell Baltimore County Photograph by Bernard Butrim

    California Kingsnake Howard County Photograph by Peter Pavlov

  • HOW TO GET INVOLVED?

    Submit any and all amphibian and reptile

    sightings! Date, location, photos (if possible)

    http://marylandnature.org/submit-observation/

    [email protected]

    [email protected]

  • ACKNOWLEDGMENTS

    All citizen scientists who

    generously donated time to the

    MARA project

    MARA Project Planning

    Committee

    MARA County Coordinators

    MARA Verification Panel

    Landowners who granted access

    to land for surveys

    Grants provided, in part, by State Wildlife Grant funds provided to the state wildlife agencies by US Congress and administered through the Maryland Department of Natural Resources' Wildlife and Heritage Service. Grant also received from Maryland Coastal Bays Program.

  • FINDING OUT MORE..

    MARA website

    www.marylandnature.org/mara

    Contact

    [email protected]

    [email protected]

    Facebook

    https://www.facebook.com/MDHerpAtlas

    NHSM Meetup Site

    www.meetup.com/marylandnature