Aquatic animals; Aquatic environments; Biological control; Habitat conservation; Invasive species; Population control; Work of the Service;
This is a plan to prevent zebra mussels and other aquatic nuisance species from spreading westward. This document includes background on the issue, including the current and potential impacts, ecological, economic and otherwise, the spread of these...
This is the 1998 status assessment of the scaleshell mussel in the United States. It includes biological information on the species, distribution status information and detailed status figures.
This is a preliminary biological assessment of Kirwin National Wildlife Refuge. Stimulation for the report was based on the concept that future decisions related to the biological portion of the Comprehensive Conservation Plan will be based on the...
Bird banding; Birds; Game birds; Game management; Migratory birds; Statistics;
This is the report of the results of a banding study conducted on mourning doves. The information derived from the study allows for management of the doves as a game resource.
Bird banding; Birds; Game birds; Game management; Migratory birds; Statistics;
This is the report of the results of a banding study conducted on mourning doves. The information derived from the study allows for management of the doves as a game resource.
Birds; Birds of prey; Endangered species; Migratory birds; Raptors; Monitoring; Population control
This is the monitoring plan for the American peregrine falcon under the Endangered Species Act. It describes the methods of monitoring and their implementation.
Birds; Grasslands; Migratory birds; Perching birds; Research; Species of concern;
This is a description of the molt and aging criteria for four grassland passerines. The species covered are Sprague's Pipit, Grasshopper sparrow, Baird's sparrows, and Chestnut-collared Longspurs. Molt information is important for determining...
Birds; Monitoring; Predators; Predator control; Species of concern; Statistics;
These are the results of the 2003 peregrine falcon monitoring plan. The plan was established after the species' de-listing from the endangered species list, and takes place every three years. The report includes a description of methodology as...
This is a guide to help with data analysis of avian monitoring programs. It covers assessment of abundance and species composition using point counts, demographic monitoring via mist-nets and demographic monitoring via nest-monitoring. The guide...
This is a guide to altricial passerines. It has an explanation of variables used for aging birds and an explanation of methodology employed, and provides information obtained while recording the early aging of the Dusky Flycatcher, the Carolina...
