摘要:

This article discusses the use of the Patuxent Watershed for multiple purposes such as flood control, hydroelectric power, controlled recreation, and commercial ventures. These programs provide additional income to the water district which offsets costs of providing recreational amenities on the watershed. This multi‐use can, however, cause conflicts among these competing elements for use of the water. A watershed management program then comes into play by prioritizing all these elements but always giving top priority to protecting raw‐water quality and supply.

ISSN:0149-8029    

DOI:10.1002/j.1551-8701.1988.tb00493.x

出版商:Wiley    

年代:1988

数据来源: WILEY

摘要:

This article discusses the types of mobile communications systems that are available, and what features to look for in purchasing a system. Systems discussed include cellular phones, two‐way radios, and paging systems.

ISSN:0149-8029    

DOI:10.1002/j.1551-8701.1988.tb00491.x

出版商:Wiley    

年代:1988

数据来源: WILEY

摘要:

This article gives an overview of the current knowledge of Cryptosporidium. The organisms' life cycle, hosts, epidemiology, and treatment options, as well as two case studies, are briefly discussed. Comparisons with Giardia are also made.

ISSN:0149-8029    

DOI:10.1002/j.1551-8701.1988.tb00494.x

出版商:Wiley    

年代:1988

数据来源: WILEY

摘要:

This article provides an alternative method of applying copper sulfate to reservoirs for algae control. Instead of dragging burlap bags of the chemical behind a boat, the city of Monroe City, Missouri, floats the bags in a basket which rests inside an inner tube.

ISSN:0149-8029    

DOI:10.1002/j.1551-8701.1988.tb00492.x

出版商:Wiley    

年代:1988

数据来源: WILEY