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Columbian sharp-tailed grouse demographic response to habitat improvements
The Columbian sharp-tailed grouse (CSTG, Tympanuchus phasianellus columbianus) is one of 6 subspecies of sharp-tailed grouse in North America. Historically its distribution ranged from the northwest in British Columbia to the southwest in Colorado.…
Columbian sharp-tailed grouse chick and juvenile radio transmitter evaluation
The Columbian sharp-tailed grouse (CSTG, Tympanuchus phasianellus columbianus) is one of six subspecies of sharp-tailed grouse in North America. CSTG currently occupy 10% of their former range due to habitat loss. Since the initiation of the…
Gunnison sage-grouse captive-rearing
Gunnison sage-grouse (Centrocercus minimus, hereafter GUSG) is a species of concern in Colorado. Two conservation issues addressed in the Gunnison Sage-grouse Rangewide Plan (RCP) are the population persistence of GUSG (especially the small…
Greater Sage-grouse natal dispersal and brood augmentation with captive-reared chicks
In response to population declines, recent research on greater sage-grouse (Centrocercus urophasianus) has focused on the population ecology, habitat relationships, and response to management practices by this species. However, the mechanisms,…
Pilot study to evaluate avian response to conservation reserve program mid-contract management practices in northeastern Colorado
The Conservation Reserve Program (CRP) is a government program in which landowners are paid to maintain grass cover on land that was, and would otherwise be, used for row-crop agriculture. Overall, the CRP has had many documented benefits to…
Foraging ecology of nonbreeding ducks and other waterbirds in the South Platte River Basin
Attracting and holding large populations of waterfowl are goals of habitat management for nonbreeding waterfowl. Currently, many habitat planners use bioenergetics approaches to guide habitat planning for nonbreeding waterfowl and shorebirds. In…
Pilot study to assess northern bobwhite response to short-duration intensive grazing on Tamarack State Wildlife Area
Widespread suppression of historic disturbance regimes have reduced heterogeneity in vegetation communities on which many wildlife rely for various life events and stages. Northern bobwhites require areas of thicker grass cover for nesting within…
Boat compendium for aquatic nuisance species (ANS) inspectors
The purpose of this compendium is to provide guidance to certified boat inspectors and decontaminators on various watercraft often used for recreational boating in Colorado. This book is not inclusive of all boats that inspectors may encounter, but…
Official Colorado watercraft inspection and decontamination procedures: trainer’s workbook: certification curriculum for authorized agents
The purpose of this workbook is to provide consistent guidance to State of Colorado Aquatic Nuisance Species (ANS) Trainers who are responsible for certification of individuals as Authorized Agents for the purpose of ANS Watercraft Inspection and…
Official state watercraft inspection and decontamination (WID) protocols and procedures
Aquatic nuisance species (ANS) or aquatic invasive species (AIS) are also called non-native species, exotic species, non-indigenous species, noxious weeds, or pests. ANS can be plants or animals. Invasive aquatic plants are introduced plants that…