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Vernal Ponds Contained Basin Depressions Lacking a Permanent Above Ground Outlet PowerPoint PPT Presentation


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Vernal Ponds Contained Basin Depressions Lacking a Permanent Above Ground Outlet. Small Pool in a shallow Depression of a Wooded Area. Pool Formed by a Flooded Meadow. Pool in a Vegetated Wetland. Pool in a Red Maple Swamp. Large Pool Among Hills in an Upland Forest.

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Vernal PondsContained Basin Depressions Lacking a Permanent Above Ground Outlet

Small Pool in a shallow Depression of a Wooded Area


Pool Formed by a Flooded Meadow

Pool in a Vegetated

Wetland


Pool in a Red

Maple Swamp

Large Pool Among Hills in an

Upland Forest


Obligate Vernal Pond Breeders

  • Wood Frogs

  • Mole Salamanders

    • Spotted

    • Jefferson/Blue Spotted

    • Marbled

  • Fairy Shrimp


Spotted SalamanderAmbystoma Maculatum


Spring Migration of Spotted Salamanders


Spotted Salamander Congress


Spotted Salamander Spermatorphores


Spotted Egg Masses

Egg Masses Most Often

On Vegetation

Developing Eggs


Spotted Salamander LarvaeIncomplete Metamorphosis


Other Obligate Mole Salamanders

Blue Spotted Salamander


Jefferson Salamander


Marbled Salamander


Wood FrogsRana Sylvatica

Adult Females

The “Quacking Frog”


Engaged In AmplexusWood Frog Eggs

External Fertilization


Wood Frog Communal Egg Masses


Wood frog Metamorphosis

Tadpole to frog

Tadpoles


Emergent Wood Frog with Tail Remnant


Fairy Shrimp

1 – 2 inch crustaceans that

Swim upside down


Spring Peepers

Eastern Newts

Spadefoot Toad

American Toad

Fowlers Toad

Pickerel Frog

Leopard Frog

Green Frog

Bullfrog

Gray Tree Frog

Spotted Turtle

Blanding’s Turtle

Wood Turtle

Invertebrates

Facultative Vernal Pond Breeders


Facultative Amphibians Spring Peeper

Distinguishing characteristics: X Marks the Spot and the

Pads on the Toes


Other Facultative Amphibians

Fowlers Toad

Spadefoot Toad


Leopard Frog

Pickerel Frog


Bullfrog

Largest New England Frog


Gray Treefrog


American Toad

Distinguishing Characteristics

Warts

White Line down the Center of the Back


Facultative BreedersGreen FrogsCommon Lake/Pond Species

Distinguishing Characteristics

Green Throat

Ridge Lines from Eyes to Hind Legs


Eastern Newts

Adult and Juvenile Red Eft


Facultative Reptiles

Spotted Turtle

Blanding’s Turtle

Wood Turtle


Vernal Pond Invertebrates

Backswimmer

Isopod

Dragonfly Nymph


Fingernail Clams and Flat Snails


Threats to Vernal Ponds

  • Development

  • Logging

  • Recreation

  • Other?


Vernal Pond Certification with Obligate Species

  • Signed Observation Form

  • USGS Map + One Other Map

  • Evidence of Obligate Species

    • Photo of Pool Holding Water

    • Photo of Obligate Species Breeding


Certification of Vernal Pond with Facultative Species

  • Signed Observation Form

  • USGS Map + One Additional Map

  • Photos

    • Photos of Pool Holding Water and the Pool Dry

    • Photos of two or more Facultative Species


Certification of Dry Vernal Pool

  • Signed Observation Form

  • USGS Map + One Other Map

  • Photos

    • Photo of the Pool Basis Without Water

    • Photo of Facultative Species Persistent After Pool Drying such as snail shells, fingernail clam shells, exuvia of dragonflies and damselflies


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