Prairie Wildlife-over the Years

Five Years of Annual Prairie Burns

A prairie site at Pipestone National Monument in southwestern Minnesota was burned each spring from 1983-1987. During the past century of use, much of the site had been invaded by various, non-native, cool-season grasses and broadleaf weeds. Also, various woody species have invaded parts of the site. Annual bums generally induced positive changes in native remnants, primarily with big bluestem ...

Prevalence Over the Years

Schistosoma japonicum, the only schistosome species in the Philippines, was first described in 1906 among patients at the Philippines General Hospital and among inmates of a Manila prison [1]. In 1937, Onchomelania quadrasi was identified as the intermediate host of S. japonicum in the Philippines, and mapping projects to locate transmission sites commenced. Such studies revealed that schistoso...

Fifty Years of Fisheries Management m an Obstinate Prairie Lake

Panoramic Maps Over the Years

Th e aim of this paper is to present how the spirit of the time and the development of Alpine tourism aff ects the artistic depiction and the content of panoramic maps. It starts with an appreciation of H. Berann’s work and describes the use of panoramas until today by including them on new media platforms like the Internet. 1939: Th e rise of H.C. Berann’s career 1. Heinrich Berann’s cartograp...

Relation of Black-tailed Prairie Dogs and Control Programs to Vegetation, Livestock, and Wildlife

Black-tailed prairie dogs, Cynomys ludovicianus (Ord), have been considered to be pests on shortgrass and mixedgrass prairies of central North America since the late 1800's (Merriam 1902). Because prairie dogs compete for forage with livestock, massive prairie dog control programs were initiated and are still a common practice (Schenbeck 1982). Prairie dog control also has been justified to red...