› › Assessment Methods For Aquatic Habitat And Instream Flow Characteristics In Support Of Applications To Dam Divert Or Extract Water From Streams In British Columbia

Assessment Methods for Aquatic Habitat and Instream Flow Characteristics in Support of Applications to Dam, Divert Or Extract Water from Streams in British Columbia:

Author :

Publisher :

Page : 103 pages

File Size : 28,25 MB

Release : 2004

Category : Fishes

ISBN :

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Book Description

Applications to dam, divert, or extract water from British Columbia streams must be supported by high quality information on hydrology, biology, and habitat from the stream of interest. This document defines assessment methods for identifying impacts on aquatic habitat from water withdrawal. The methods defined are structured into two tiers: those applied at a preliminary (coarse) screening level and those applied at a detailed level. The two-step process is designed to identify projects that pose a low risk to fish & habitat and provides data collection & analysis procedures that should be followed when presenting information to fisheries agency staff as part of an application for a water license. The document describes data requirements for each step: screening (description of the proposed project, hydrology, biology, habitat) and detailed (assessment approach, geomorphology, water quality, fish biology, fish habitat, lower trophic levels, stream & riparian ecology, cumulative effects). An example of a habitat analysis is included. The appendix details the steps of a standardized approach to the collection of instream flow information in relation to fish & fish habitat.



British Columbia’s Inland Rainforest

Author : Susan K. Stevenson

Publisher : UBC Press

Page : 457 pages

File Size : 48,62 MB

Release : 2011-09-01

Category : Nature

ISBN : 077485961X

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Book Description

The vast temperate rainforests of coastal British Columbia are world renowned, but much less is known about the other rainforest located 500 kilometres inland along the western slopes of the interior mountains. The unique integration of continentality and humidity in this region favours the development of lush rainforest communities that incorporate both coastal and boreal elements. This book brings together, for the first time, a broad spectrum of information about the ecology, management, and conservation of this distinctive ecosystem. Accessibly written and generously illustrated, the chapters examine the physical, social, economic, and ecological dimensions of the rainforest. They also look at how the delicate balance of this ecosystem has been threatened by human use and climate change. In the past, governments encouraged the forest industry to clearcut the “decadent” old stands and replace them with rapidly growing young trees of other species. More recently, out of concern for the ecological consequences of such practices, researchers have begun to examine alternative management strategies. This book offers a vision that combines various strategies in order to balance the conservation of the inland rainforest as a fully functioning ecosystem with human use of its diverse resources.





Arctic Hydrology, Permafrost and Ecosystems

Author : Daqing Yang

Publisher : Springer Nature

Page : 914 pages

File Size : 42,5 MB

Release : 2020-08-28

Category : Science

ISBN : 3030509303

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Book Description

This book provides a comprehensive, up-to-date assessment of the key terrestrial components of the Arctic system, i.e., its hydrology, permafrost, and ecology, drawing on the latest research results from across the circumpolar regions. The Arctic is an integrated system, the elements of which are closely linked by the atmosphere, ocean, and land. Using an integrated system approach, the book’s 30 chapters, written by a diverse team of leading scholars, carefully examine Arctic climate variability/change, large river hydrology, lakes and wetlands, snow cover and ice processes, permafrost characteristics, vegetation/landscape changes, and the future trajectory of Arctic system evolution. The discussions cover the fundamental features of and processes in the Arctic system, with a special focus on critical knowledge gaps, i.e., the interactions and feedbacks between water, permafrost, and ecosystem, such as snow pack and permafrost changes and their impacts on basin hydrology and ecology, river flow, geochemistry, and energy fluxes to the Arctic Ocean, and the structure and function of the Arctic ecosystem in response to past/future changes in climate, hydrology, and permafrost conditions. Given its scope, the book offers a valuable resource for researchers, graduate students, environmentalists, managers, and administrators who are concerned with the northern environment and resources.