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Div Mon Update

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Div Mon Update Div Mon Update Presentation Transcript

  • FWP/NHP Multiple Species Monitoring Effort
  • History Kalispell Missoula Great Falls Havre Lewistown Sidney Helena Miles City Anaconda Butte Billings Bozeman Laurel Livingston Sampling Locations • FWP Diversity Monitoring Project (T-020) • NHP Statewide Amphibian Surveys • FWP/NHP Acoustic Bat Surveys • Other
  • 3-Year Goals (2008-2010) • Document occurrence of previously neglected faunal groups in Montana • Estimate occupancy with reasonable precision while accounting for imperfect detection • Develop a statewide monitoring framework for several faunal groups that is rigorous, repeatable, documented, and acceptable to a wide variety of potential participants (USFS, BLM, USFWS, etc.)
  • 2008 Field Season Goals • Hone field methodology for reliable detection of bats (acoustics) and reptiles • Gather more baseline occupancy and detection estimates – These will help inform future sample allocation • Thorough sampling in two ecoregions along the Highline (mainly due to logistics) • Coordinator + three crews of two
  • Focal Faunal Groups • Reptiles • Volant Mammals • Small Mammals • Amphibians • Birds
  • Parameters to be Estimated • Proportion of Area Occupied (PAO) or Ψ • Probability of Detection or p • Ways to estimate these parameters – Design based estimates – Model based estimates • We have designed a sampling scheme that accounts for potential confounding factors that may affect our estimate
  • New Sampling Methodology • Stratified Random Sampling – Bailey’s Ecoregions (Or alternative) – Landcover class • Spatially Balanced Design – GRTS sampling – Allows for oversample (in case of landowner denial) • Targeted Sampling Separately (Adapted Sampling)
  • First Level of Stratification Bailey’s Ecoregions Flathead Northern Valley Glaciated Northern Plains Section Section Northwestern Rockies Section Glaciated Plains Section Rocky Mountain Front Section Bitterroot Mountains Section Northwestern Bitterroot Great Plains Valley Belt Section Section Mountains Section Powder Idaho River Basin Batholith Section Section Beaverhead Mountains Section Yellowstone Highlands Section Bighorn Basin Bighorn Section Mountains Section
  • 2nd Level Stratification National Landcover Dataset 2001 NLCD 2001 Landcover Class (Percent) Coverclass Barren Land Cultivated Crops Deciduous Forest Emergent Herbaceous Wetlands Evergreen Forest Grassland/Herbaceous High Intensity Low Intensity Medium Intensity Mixed Forest Open Space Pasture/Hay Perennial Ice/Snow Shrub/Scrub Water Woody Wetlands 55.4 Grassland/Herbaceous 36.6 Cultivated Crops 3.7 Shrub/Scrub 2.2 Evergreen Forest Havre 0.9 Water 0.5 Pasture/Hay 0.4 Woody Wetlands Kalispell 0.1 Barren Land 0.1 Emergent Herbaceous Wetlands 0.1 Low Intensity Sidney Great Falls Lewistown Missoula
  • Nested Grid Cells 7.5 Minute Quads Quads 10 5 0 10 Miles
  • Nested Grid Cells Quarter Quads Quads Quarter Quads 10 5 0 10 Miles
  • Nested Grid Cells Quarter-Quarter Quads Quads Quarter Quads Quarter-quarter quads 10 5 0 10 Miles
  • Nested Grid Cells Quarter-Quarter-Quarter Quads Quads Quarter Quads Quarter-quarter quads Quarter-quarter-quarter quads 10 5 0 10 Miles
  • Spatially-Balanced Sample-Site Selection Sam ple S electi on LandCover LC C ODE Wat er Perennial Ice/ Snow Open S pace Low Int ens ity Medium I ntensit y Hi gh I ntensit y Barren Land Deciduous Forest Evergre en Forest Mixed F orest Shrub/S crub Grassland/ Herb aceous Pasture/ Hay Cul tiv at ed Crops Woody Wetl ands 10 5 0 10 Miles Em erge nt Herbac eous Wet lands