Petros Environmental Group
Biological Surveys and Compliance
Petros Environmental Group provides management of a diverse group of biological resource survey and evaluation services through a close working relationship with an associated company, Grasslands Consulting, Inc. The Petros and Grasslands principals have worked closely together on numerous successful projects since 2001. The Petros-Grasslands team is unmatched in its ability to conduct required biological field surveys in a timely, responsive manner and incorporate the results into legally-defensible project support documentation.
Field Surveys
  • General vegetation and wildlife habitat mapping

  • Raptor inventories

  • Prairie dog habitat mapping

  • Noxious weeds

  • Threatened, endangered, and candidate species (TES) habitat and clearance surveys
  • Bald eagle
  • Black-footed ferret
  • Mexican spotted owl
  • Ute ladie's-tresses
  • Uinta Basin hookless cactus
  • And other federally-listed animal and plant species
  • Agency-sensitive species habitat and clearance surveys
  • Various raptor species
  • Mountain plover
  • Sage-grouse
  • Pygmy rabbit
  • And other sensitive animal and plant species

NEPA Compliance Support
  • Development of biological resource sections of NEPA compliance documents

  • Biological Assessments development, programmatic and project-specific

  • Biological Evaluations

  • Management Indicator Species evaluations

  • Biological resource mitigation measures development


Other Services
  • Wetlands delineation and reporting

  • Oil and gas biological stipulation exception request support