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West Nile virus in Alberta : what happened in 2004??

Description

The story of West Nile virus in North America is a very recent one. The virus arrived in New York in 1999 and established populations in migratory birds on the Atlantic Flyway. it then... More ≫

Description

The story of West Nile virus in North America is a very recent one. The virus arrived in New York in 1999 and established populations in migratory birds on the Atlantic Flyway. it then systematically increased its population and spread to birds on the other primary migration pathways, moving steadily westward to the Mississippi, Central and by 2004, the Pacific Flyway. The virus infects birds of many species without causing visible illness, but cases fatal infections in Corvidae (crows, jays and their relatives). It can occasionally spill over and infect horses and humans, and can cause rare fatal results.

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Avian salmonellosis (salmonella spp) in Alberta

Description

Provides information on the occurrence and prevalence of avian salmonellosis in Alberta. Includes information on its significance, transmission cycle, distribution, importance for wildlife... More ≫

Description

Provides information on the occurrence and prevalence of avian salmonellosis in Alberta. Includes information on its significance, transmission cycle, distribution, importance for wildlife management, public significance, and prevention and control measures that can be taken. One in a series of fact sheets on common parasites and diseases of fishes and wildlife in Alberta.

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Aerial reconnaissance surveys for piping plover habitat in east-central Alberta, May 2001

Description

The piping plover is designated as an Endangered species in Alberta and across Canada. Every five years since 1991, a continent-wide survey for piping plovers has been conducted. In May 2001,... More ≫

Description

The piping plover is designated as an Endangered species in Alberta and across Canada. Every five years since 1991, a continent-wide survey for piping plovers has been conducted. In May 2001, aerial reconnaissance was conducted over much of the core breeding range in east-central Alberta. The objectives were to identify waterbodies that have not been previously surveyed, but which contain areas of suitable habitat that could be surveyed in 2001, and to visit a number of lakes scheduled to be surveyed in order to identify areas of suitable habitat and to minimize or eliminate census effort in areas with unsuitable breeding habitat. Overall, the surveys identified 11 previously surveyed lakes that had no potential to piping plovers in 2001, and 22 new lakes with at least moderate potential to support birds during the breeding season. Aerial reconnaissance appears to be an effective way to identify lakes that may be occupied by piping plovers.

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