Petaluma Valley Historical Hydrology And Ecology Study

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Petaluma Valley Historical Hydrology And Ecology Study

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Author : Sean Baumgarten
language : en
Publisher:
Release Date : 2018-03-15

Petaluma Valley Historical Hydrology And Ecology Study written by Sean Baumgarten and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-03-15 with Ecology categories.

This study examines the historical hydrology and ecology of the Petaluma River watershed prior to major Euro-American modification, and analyzes landscape changes over the past two centuries. Synthesizing information from hundreds of archival documents, the research examines the historical form and function of wetland, riparian, and aquatic habitats and stream channels throughout the watershed, providing insights into habitat extent and distribution, streamflow and sediment dynamics, vegetation composition, wildlife support, and landscape change. Findings from this research can be used to help set restoration targets and to prioritize multi-benefit opportunities to restore wildlife habitat, enhance flood protection, increase groundwater recharge, and improve sediment management.

Peninsula Watershed Historical Ecology Study

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Author : Sean Baumgarten
language : en
Publisher:
Release Date : 2021-07

Peninsula Watershed Historical Ecology Study written by Sean Baumgarten and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-07 with Science categories.

The Peninsula Watershed has been integral to the story of San Francisco's growth ever since the Gold Rush. The rapid influx of settlers to San Francisco during the Gold Rush spurred a sudden demand for a reliable water source, which led to the formation of the Spring Valley Water Works (later purchased by the Spring Valley Water Company [SVWC]) in 1858 (Hanson 2005 ). Over the subsequent 70 years, SVWC bought up large swaths of land on the Peninsula, and constructed a complex system of dams, tunnels, and pipes to capture and transport water to San Francisco. Within the Peninsula Watershed, this system includes the Crystal Springs and San Andreas reservoirs, located in the San Andreas Creek, Laguna Creek, and Upper San Mateo Creek basins along the San Andreas Fau The City of San Francisco purchased SVWC in 1930, and today the Peninsula Watershed, managed by the San Francisco Public Utilities Commission (SFPUC), continues to be a key source of water for San Francisco and for other communities in the South and East Bay. Despite the past 150 years of reservoir construction and other hydrologic modifications, the construction of transportation and utility corridors, and the large-scale suburban development that has occurred to the east, the Peninsula Watershed has remained largely undeveloped and is managed to protect water quality, water supply, wildlife habitat, and a range of other natural and cultural resources. The watershed supports some of the largest intact remnants of contiguous habitat in the region, including extensive oak woodlands, old-growth Douglas-fir forests, serpentine grasslands, chaparral, and coastal scrub. Over the past 250 years since Spanish explorers first set foot on the watershed, however, changes in disturbance regimes and other large-scale anthropogenic modifications, including fire suppression, homesteading, livestock grazing, agriculture, tree planting, introduction of plant pathogens, spread of invasive species, and climate change, have altered vegetation dynamics and changed the distribution and structure of vegetation communities throughout the watershed. The changes have raised many questions about the historical ecology of the watershed: What was the extent, distribution, and composition of terrestrial, riparian, and wetland habitats prior to Euro-American modification? How have vegetation distributions changed over the past two centuries, and what are the implications of those changes for species support? Are there remnant patches of relatively unmodified habitat present in the watershed, or areas that are currently in a state of recovery? Where are current habitat characteristics most similar to or different from historically documented conditions? How have key natural and anthropogenic disturbance regimes and processes changed over time? The Peninsula Watershed Historical Ecology Study aims to advance understanding of landscape conditions of the Peninsula Watershed prior to major Euro-American modification, and to provide insights into the nature and drivers of vegetation change since the first Spanish explorers set foot in the watershed 250 years ago. The primary goal of the research was to examine the historical extent, distribution, and composition of terrestrial vegetation types and their trajectories of change within the watershed. To the extent possible, research also addressed historical riparian, wetland, and estuarine habitats; hydrology and sediment dynamics; wildlife support; land use history; and a range of other topics.

Ecosystems Of California

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Author : Harold Mooney
language : en
Publisher: Univ of California Press
Release Date : 2016-01-19

Ecosystems Of California written by Harold Mooney and has been published by Univ of California Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-01-19 with Nature categories.

This long-anticipated reference and sourcebook for CaliforniaÕs remarkable ecological abundance provides an integrated assessment of each major ecosystem typeÑits distribution, structure, function, and management. A comprehensive synthesis of our knowledge about this biologically diverse state, Ecosystems of California covers the state from oceans to mountaintops using multiple lenses: past and present, flora and fauna, aquatic and terrestrial, natural and managed. Each chapter evaluates natural processes for a specific ecosystem, describes drivers of change, and discusses how that ecosystem may be altered in the future. This book also explores the drivers of CaliforniaÕs ecological patterns and the history of the stateÕs various ecosystems, outlining how the challenges of climate change and invasive species and opportunities for regulation and stewardship could potentially affect the stateÕs ecosystems. The text explicitly incorporates both human impacts and conservation and restoration efforts and shows how ecosystems support human well-being. Edited by two esteemed ecosystem ecologists and with overviews by leading experts on each ecosystem, this definitive work will be indispensable for natural resource management and conservation professionals as well as for undergraduate or graduate students of CaliforniaÕs environment and curious naturalists.

Geoscience Abstracts

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Author :
language : en
Publisher:
Release Date : 1959

Geoscience Abstracts written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1959 with Earth sciences categories.

Publications Of The Geological Survey

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Author : Geological Survey (U.S.)
language : en
Publisher:
Release Date : 1948

Publications Of The Geological Survey written by Geological Survey (U.S.) and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1948 with Geology categories.

Suisun Marsh

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Author : Peter B. Moyle
language : en
Publisher: Univ of California Press
Release Date : 2014-03-26

Suisun Marsh written by Peter B. Moyle and has been published by Univ of California Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-03-26 with Nature categories.

One of California's most remarkable wetlands, Suisun Marsh is the largest tidal marsh on the West Coast and a major feature of the San Francisco Estuary. This productive and unique habitat supports endemic species, is a nursery for native fishes, and is a vital link for migratory waterfowl. The 6,000-year-old marsh has been affected by human activity, and humans will continue to have significant impacts on the marsh as the sea level rises and cultural values shift in the century ahead. This study includes in-depth information about the ecological and human history of Suisun Marsh, its abiotic and biotic characteristics, agents of ecological change, and alternative futures facing this ecosystem.

Geological Survey Water Supply Paper

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Author :
language : en
Publisher:
Release Date : 1950

Geological Survey Water Supply Paper written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1950 with Irrigation categories.

Publications Of The U S Geological Survey 1971 1981

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Author :
language : en
Publisher:
Release Date : 1986

Publications Of The U S Geological Survey 1971 1981 written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1986 with Geology categories.

Ecology Conservation And Restoration Of Tidal Marshes

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Author : Arnas Palaima
language : en
Publisher: Univ of California Press
Release Date : 2012-10-09

Ecology Conservation And Restoration Of Tidal Marshes written by Arnas Palaima and has been published by Univ of California Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-10-09 with Nature categories.

The San Francisco Bay, the biggest estuary on the west coast of North America, was once surrounded by an almost unbroken chain of tidal wetlands, a fecund sieve of ecosystems connecting the land and the Bay. Today, most of these wetlands have disappeared under the demands of coastal development, and those that remain cling precariously to a drastically altered coastline. This volume is a collaborative effort of nearly 40 scholars in which the wealth of scientific knowledge available on tidal wetlands of the San Francisco Estuary is summarized and integrated. This book addresses issues of taxonomy, geomorphology, toxicology, the impact of climate change, ecosystem services, public policy, and conservation, and it is an essential resource for ecologists, environmental scientists, coastal policymakers, and researchers interested in estuaries and conserving and restoring coastal wetlands around the world.

Geology Of The San Francisco Bay Region

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Author : Doris Sloan
language : en
Publisher: Univ of California Press
Release Date : 2006-06-27

Geology Of The San Francisco Bay Region written by Doris Sloan and has been published by Univ of California Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006-06-27 with Nature categories.

"You can't really know the place where you live until you know the shapes and origins of the land around you. To feel truly at home in the Bay Area, read Doris Sloan's intriguing stories of this region's spectacular, quirky landscapes."—Hal Gilliam, author of Weather of the San Francisco Bay Region "This is a fascinating look at some of the world's most complex and engaging geology. I highly recommend this book to anyone interested in an understanding of the beautiful landscape and dynamic geology of the Bay Area."—Mel Erskine, geological consultant "This accessible summary of San Francisco Bay Area geology is particularly timely. We are living in an age where we must deal with our impact on our environment and the impact of the environment on us. Earthquake hazards, and to a lesser extent landslide hazards, are well known, but the public also needs to be aware of other important engineering and environmental impacts and geologic resources. This book will allow Bay Area residents to make more intelligent decisions about the geological issues affecting their lives."—John Wakabayashi, geological consultant