Estuarine Research in the 1980s


Book Description

The Hudson River estuary is one of the most intensively studied estuaries in the world. Many environmental and civic groups have struggled with the conflict in the Hudson River area between the desire for a quality environment and the ever-increasing demands of an expanding human population for drinking water, electric power, efficient transportation, and waste disposal. Estuarine Research in the 1980s provides a synoptic overview of the research conducted on the Hudson estuary since 1980. The essays reflect diverse studies of the physical, chemical, and biological ecology of the Hudson River estuary. Included are historical studies of water flow through the estuary; a model to predict the effect of increased withdrawals of fresh water; a summary of the movements of radionuclides from power plants and atmospheric fallout within the Hudson watershed; and a paper on sedimentation in New York harbor. Several essays are devoted to surveys of the fishes of special parts of the estuary. Others deal with the life histories, movements, and population dynamics of individual species. Also included are a section of fisheries methods, including the effects of sampling additional habitats; a study of the effects of channel dredging on water quality; reviews of indices of population abundance; a review of the quality control procedures used in utility-sponsored research; a model of the effects of compensation on the risk of population decline and extinction; a study addressing the energetics of the lower food web; and a plea for the restoration of the badly polluted Croton Bay.




Quagga and Zebra Mussels


Book Description

The introduction and rapid spread of two Eurasian mussel species, Dreissena polymorpha (zebra mussel) and Dreissena rostriformis bugensis (quagga mussel), in waters of North America has caused great concern among industrial and recreational water users. These invasive species can create substantial problems for raw water users such as water treatme













Sediment Classification Methods Compendium


Book Description

This document is a compendium of scientifically valid and accepted methods that can be used to assess sediment quality and predict ecological impacts...the intent here is to provide the most useful overall measures or predictors of ecological impacts currently in use rather than procedures that may have limited application outside of a particular regulatory framework... parag The information provided in the compendium on the relative strengths and weaknesses of the different assessment methods can provide assistance in selecting the appropriate methods.