Titlebook: Wild Salmonids in the Urbanizing Pacific Northwest; J. Alan Yeakley,Kathleen G. Maas-Hebner,Robert M. Book 2014 Springer Science+Business

Factual

Introduction to Wild Salmonids in the Urbanizing Pacific Northwest,k extends to salmonid-bearing watersheds threatened by concentrated human settlement anywhere on the planet. Despite countless management initiatives to recover these vital species and their habitats, wild salmonids have continued to decline inexorably over the past century and a half in the Pacific

Carbon-Monoxide

Global and Regional Context of Salmonids and Urban Areas,y into cold Southern Hemisphere waters. Likewise urbanization is a global phenomenon, making the patterns and principles discussed in this book relevant elsewhere. Unlike many urbanized regions of Europe, Asia, and the eastern and north-central United States, salmonid populations continue to persist

含水層

天空

不合

Urban Hydrology in the Pacific Northwest,is chapter is to review important aspects of streamflow and how those aspects are affected by urbanization, with a focus on North America’s Pacific Northwest. Hydrologic aspects reviewed in this chapter include the timing and magnitude of streamflow, the linkage of streamflow to various physical and

污點(diǎn)

cinder

Fish Passage Through Urban and Rural-Residential Areas, season. Resident salmonids often migrate a few kilometers between stream reaches and river segments and between lakes and streams, whereas anadromous salmonids may migrate hundreds of kilometers between oceans and headwaters (Quinn 2005). Large- and small-scale migrations are governed by difference

Enzyme

收集

Toxic Contaminants in the Urban Aquatic Environment,ly derived toxic chemicals entering urban waterways used by salmonids. Toxic contaminants create complex problems for aquatic organisms and have important implications for natural resource managers. Toxicity is associated with exposure; therefore, it is important to understand the occurrence and con

Inexorable