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Projects

Current or completed Marsh & Associates projects

May 2018 Bonita Creek Report

Marsh & Associates (M&A) with assistance from Bureau of Land Management (BLM) visited lower Bonita Creek, Graham Co., Arizona to sample fishes …

Imperial Ponds Final Report 2012

Imperial Ponds is a 19 hectare pond complex designed to provide habitat for two endangered native fish, bonytail (Gila elegans) and razorback …

Loach Minnow in Upper Blue River

Blue River is tributary to San Francisco River in the greater Gila River basin. Its headwaters are in the physiographic setting of …

Lake Havasu Bonytail: Annual Report 2014

Bonytail (Gila elegans) is federally listed as endangered and considered functionally extirpated from its historical range, and its presence in the Colorado …

Eagle Creek 2014

We sample Eagle Creek annually to collect long-term fish monitoring data. We have routinely collected 6 native fish species in the upper …

June Sucker Stocking Evaluation

June sucker Chasmistes liorus is an endangered species endemic to Utah Lake, Utah. The lake historically supported 13 native fish species, but …

Minckley Library is Online

The late W.L. Minckley, Professor of Life Sciences, Arizona State University, Tempe, amassed an extensive reprint library during his four-decade-long professional career, …

Imperial Ponds Native Fish Monitoring

Status: Ongoing

A series of ponds were constructed adjacent to the river on the U.S. Fish and Wildlife Service Imperial National Wildlife Refuge (INWR). These ponds were built to provide off-channel habitat free of nonnative fishes for the survival and reproduction of bonytail and razorback sucker. Marsh & Associates was contracted to conduct a three-year project to determine the suitability of these ponds for native fishes