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1292 record(s) found.
Trend Data Abundance estimates MYLF Apex- Southern California Mountains: Aneides lugubris, Rana muscosa ( Arboreal Salamander, Mountain Yellow-legged Frog)
Location: Dark Canyon ; Dark Canyon, San Bernardino National Forest
Scientific investigations into the natural history of MYLF to track population dynamics and population changes over time for an endangered species in the southern part of its range
Trend Data Abundance estimates MYLF Apex- Southern California Mountains: Aneides lugubris, Rana muscosa ( Arboreal Salamander, Mountain Yellow-legged Frog)
Location: Fuller Mill Creek ; Fuller Mill Creek, San Bernardino National Forest
Scientific investigations into the natural history of MYLF to track population dynamics and population changes over time for an endangered species in the southern part of its range
Trend Data Abundance estimates MYLF Apex- Southern California Mountains: Aneides lugubris, Rana muscosa ( Arboreal Salamander, Mountain Yellow-legged Frog)
Location: East Fork City Creek ; East Fork City Creek, San Bernardino National Forest
Scientific investigations into the natural history of MYLF to track population dynamics and population changes over time for an endangered species in the southern part of its range
Trend Data Abundance estimates MYLF Apex- Southern California Mountains: Aneides lugubris, Rana muscosa ( Arboreal Salamander, Mountain Yellow-legged Frog)
Location: Little Rock Creek ; Little Rock Creek, Angeles National Forest
Scientific investigations into the natural history of MYLF to track population dynamics and population changes over time for an endangered species in the southern part of its range
Trend Data Abundance estimates MYLF Apex- Southern California Mountains: Aneides lugubris, Rana muscosa ( Arboreal Salamander, Mountain Yellow-legged Frog)
Location: Devil's Canyon ; Devil's Canyon, Angeles National Forest
Scientific investigations into the natural history of MYLF to track population dynamics and population changes over time for an endangered species in the southern part of its range
Trend Data Abundance estimates MYLF Apex- Southern California Mountains: Aneides lugubris, Rana muscosa ( Arboreal Salamander, Mountain Yellow-legged Frog)
Location: South Fork Big Rock Creek ; South Fork Big Rock Creek, Angeles National Forest
Scientific investigations into the natural history of MYLF to track population dynamics and population changes over time for an endangered species in the southern part of its range
Trend Data Abundance estimates MYLF Apex- Southern California Mountains: Aneides lugubris, Rana muscosa ( Arboreal Salamander, Mountain Yellow-legged Frog)
Location: Vincent Gulch ; Vincent Gulch, Angeles National Forest
Scientific investigations into the natural history of MYLF to track population dynamics and population changes over time for an endangered species in the southern part of its range
Trend Data Abundance estimates MYLF Apex- Southern California Mountains: Aneides lugubris, Rana muscosa ( Arboreal Salamander, Mountain Yellow-legged Frog)
Location: Bear Gulch ; Bear Gulch, Angeles National Forest
Scientific investigations into the natural history of MYLF to track population dynamics and population changes over time for an endangered species in the southern part of its range
Trend Data Aquatic Salamander population monitoring-Ordway: Amphiuma means ( Two-toed Amphiuma)
Location: Lake Suggs ; Lake Suggs
Monitior abundance and survivorship of sirens and amphiuma at Ordway Biological Station.
Trend Data Occupancy estimates National Capital Region Monitoring: Acris crepitans, Ambystoma maculatum, Ambystoma opacum, Bufo sp., Desmognathus fuscus, Eurycea bislineata, Hemidactylium scutatum, Hyla sp., Lithobates catesbeianus, Lithobates clamitans, Lithobates palustris, Lithobates sphenocephalus, Lithobates sylvaticus, Notophthalmus viridescens, Pseudacris crucifer, Pseudotriton ruber ( American Bullfrog, Four-toed Salamander, Green Frog, Marbled Salamander, Northern Cricket Frog, Northern Dusky Salamander, Northern Spring Peeper, Pickerel Frog, Red Salamander, Red-spotted Newt, Southern Leopard Frog, Spotted Salamander, Toads, Treefrogs, Two-lined Salamander, Wood Frog)
Location: C&O NHP: Potomac Gorge. Our sample frame consisted of all known (mapped) wetlands in the Potomac ... ; C&O NHP
determine whether the integrity and status of amphibian populations are changing over time
Trend Data Occupancy estimates AT midlevel monitoring- MCBCP: Anaxyrus californicus ( Arroyo Toad)
Location: Coastal draining watersheds of MCBCP. ; MCBCP, Southern Califonia
Monitor population trends for the arroyo toad at Marine Corps Base Camp Pendleton http://www.werc.usgs.gov/sandiego/pdfs/MCB-protocol-3-2003.pdf
Trend Data Abundance estimates Boreal toad (Anaxyrus boreas) population dynamics, Lubrecht Experimental Forest: Anaxyrus boreas ( Western Toad)
Location: Lubrecht Experimental Forest Pond ; Lubrecht Experimental Forest Pond
Capture-recapture study of adult Anaxyrus boreas to estimate population size and demographic rates (e.g., annual survival and recruitment.
Trend Data Eggmass count estimates Columbia spotted frog population dynamics, upper Lodge Creek: Rana luteiventris ( Columbia Spotted Frog)
Location: Area occupied by the frog population, including breeding, foraging, and wintering sites. ; upper Lodge Creek
Describe long-term changes in population size, structure, phenology, and habitat use patterns of Columbia spotted frogs. This is a collaborative project with the Greater Yellowstone Inventory and Monitoring Network.
Trend Data Spruce: Anaxyrus boreas ( Western Toad)
Location: Spruce Lake ; Spruce Lake
1) monitor population changes in Anaxyrus boreas in association with identification of the amphibian chytrid fungus 2) mark-recapture study of adult A. boreas to estimate population size and demographic rates (e.g., survival, recruitment, and movement).
Trend Data Abundance estimates North Fork Drainage-Kettle/Lost: Anaxyrus boreas, Bufo boreas ( Boreal Toad, Western Toad)
Location: Kettle Tarn ; Kettle Tarn
1) monitor population changes in Anaxyrus boreas in association with identification of the amphibian chytrid fungus 2) mark-recapture study of adult Anaxyrus boreas to estimate population size and demographic rates (e.g., survival, recruitment, and movement).
Trend Data Site-specific Monitoring
Location: Previosly identified breeding areas in two watersheds (Flat Creek and Gros Ventre). ; National Elk Refuge
Monitor presence of historical boreal toad breeding populations.
Trend Data Abundance estimates Blackrock: Anaxyrus boreas ( Western Toad)
Location: Blackrock ; Blackrock
Mark-recapapture study of adult A. boreas to estimate population size and demographic rates, especially with regards to infection prevalance and intensity by amphibian chytrid fungus.
Trend Data Eggmass count estimates Egg mass counts, Columbia spotted frogs (Lost Horse): Rana luteiventris ( Columbia Spotted Frog)
Location: Lost Horse Creek Marsh Pond ; Lost Horse Creek Marsh
Count egg masses annually (since 1999) to track size of the female population. These data are also used to to estimate potential effects of climate change (via changes in snowpack) on amphibian populations.
Trend Data Abundance estimates Cameron Pass-Lily Pond: Pseudacris maculata ( Boreal Chorus Frog)
Location: Lily Pond ; Lily Pond
1) investigate breeding phenology in 2 species 3) track presence of amphibian chytrid fungus 2) mark-recapture study of adult Pseudacris maculata to estimate population size and demographic rates (e.g., survival, recruitment, and movement).
Trend Data ROMO inventory and monitoring
Location: Amphibian habitat at the refuge ; Seedskadee
Species inventory and preliminary monitoring design