Resources - Ecosystem Dynamics |
| Restoration Opportunities at Tributary Confluences: Critical Habitat Assessment of the Big Chico Creek-Mud Creek-Sacramento River Confluence Area, 2001/12/01 Author(s): Eric Ginney Publisher: The Nature Conservancy Abstract/Description: Purpose This project evaluates the current and historic physical and ecological conditions of the land surrounding the confluences of Big Chico and Mud Creeks with the Sacramento River (the study area). The goal of this project is to provide a conceptual... |
| A Conceptual Model for CALFED’s Comprehensive Monitoring, Assessment, and Research Program
for Chinook Salmon and Steelhead
in the Central Valley Rivers. T Author(s): Abstract/Description: This plan describes the comprehensive monitoring and research needs to determine whether the habitat for chinook salmon (Oncorhynchus tshawytscha) and steelhead (Oncorhynchus mykiss) in Central Valley rivers will be restored by the CALFED’s Ecosystem Rest... |
| A Pilot Investigation of Cottonwood Recruitment On The Sacramento River, 2002/01/01 Author(s): Mike Roberts, Daryl Peterson, Dave Jukkola, Vicky Snowden Publisher: CALFED Abstract/Description: We collected dendrochronological data, hydrologic data, and topographic survey data at one pilot study site on the Sacramento to calibrate an ecological model for cottonwood recruitment developed on other rivers. We also conducted a field reconnaissance... |
| Bioavailability of organic matter in a highly disturbed estuary: The role of detrital and algal resources., 2002/06/11 Author(s): William Sobczak, Anke Muller-Solgar, Jim Cloern, Alan Jassby Publisher: National Academy of Sciences Abstract/Description: The importance of algal and detrital food supplies to the planktonic food web of a highly disturbed, estuarine ecosystem was evaluated in response to declining zooplankton and fish populations. We assessed organic matter bioavailability among a diversity ... |
| CALFED Directed Action Proposal For Monitoring and Investigations San Joaquin River and Tributaries, 2003/03/13 Author(s): William Stringfellow, Joe McGahan Publisher: San Joaquin Valley Drainage Authority Abstract/Description: This is the final proposal turned in to CALFED by Dan Nelson of the San Joaquin Valley Drainage Authority for a directed action grant initiated by the San Joaquin River Dissolved Oxygen TMDL Steering Committee. The study will focus on understanding the ... |
| CHINOOK SPAWNING AREA MAPPING FOR THE CLEAR CREEK RESTORATION PROGRAM, 2000-2005, 2007/04/09 Author(s): Sarah Giovannetti Publisher: U.S. Fish & Wildlife Service - Willows, CA (SNWR) Abstract/Description: Restoration actions targeted to improve salmonid spawning habitat on Clear Creek have included increased streamflow, dam removal, spawning gravel augmentation and channel reconstruction. Spawning area mapping of Clear Creek from 2000 to 2005 was used to ... |
| COSUMNES RIVER PROJECT BIBLIOGRAPHY - Draft Author(s): Ramona Swenson Abstract/Description: I’m combing through old bibliographies, notes from Rich Reiner (June 1999), my laptop, and my memories of projects done at the Preserve or in the watershed to come up with this list of reports, memos and studies for the Cosumnes River watershed. If it’s a... |
| Clear Lake Information, 2002/07/17 Author(s): Publisher: Lake County Abstract/Description: This site provides information on the important aspects of Clear Lake such as: Its Level Data, Summer Levels, Winter Levels, Dam Flows, how Yolo Obtained Claim to Wates of Clear Lake, History of Clear Lake, and Algae and Weeds on Clear Lake.... |
| Conceptual Model for Dissolved Oxygen in the San Joaquin River - Preliminary Draft, 2005/05/17 Author(s): Craig Stevens Publisher: Jones & Stokes Associates Abstract/Description: Note: This Preliminary Draft is undergoing review and will change significantly in the next few months. Executive Summary. A conceptual model is a construct intended to show the current state of scientific understanding regarding a topic.... |
| Condition and feeding of juvenile chinook salmon in selected intermittent tributaries of the upper Sacramento River, 1997/01/01 Author(s): T Moore Publisher: California State University Chico Abstract/Description: ... |
| ERP Selection Panel Review of the Upstream Monitoring and Investigations of the San Joaquin River and Tributaries Related to Dissolved Oxygen, 2003/09/13 Author(s): David Beasley, William (BJ) Miller, William (BJ) Ritter, Mark Roberson, Leonard Wassenaar, Alan Jassby Publisher: CA Bay Delta Authority (CBDA) Abstract/Description: This is the ERP Peer Review of the proposed study and their recommendation for funding with several conditions.... |
| Erosion Sediment Control Study Middle Creek WS, 1993/02/01 Author(s): Abstract/Description: This report was prepared by the Soil Conservation Service, under the direction of its Redding Field Office, in response to a request from the Western Shasta Resource Conservation District. Review and advice were provided by members of the Middle Creek Coo... |
| Evolution Assessment and Conservation Strategies for Sacramento River Oxbow Habitats, 2003/01/01 Author(s): Ingrid Morken, Matt Kondolf Publisher: The Nature Conservancy Abstract/Description: Oxbow lakes provide critical wildlife habitat and support rich biodiversity in the Sacramento River system, making them priority candidates for research and conservation. As floodplain water bodies that gradually terrestrialize, oxbow lakes are dynamic ... |
| Floodplain Age Modeling Techniques to Analyze Channel Migration and Vegetation Patch Dynamics on the Sacramento River, California Author(s): Alexander Fremier Publisher: UC Davis Abstract/Description: The natural hydro-geomorphic functions of the Sacramento River have been altered directly and indirectly by dam construction and channel management constraints. These anthropogenic impacts have been implemented in efforts to protect developed lands from... |
| Generalized Stream Tube model for Alluvial River Simulation Author(s): Ted Yang Abstract/Description: Most of the sediment and water routing models, such as the HEC-6 (U.S. Army Corps of Engineers, 1977, 1993) model, were developed for solving one dimensional alluvial river problems. Although there are truly two-dimensional and three-dimensional models fo... |
| Groundwater, Nutrient Cycling, and Soil Development., 2002/05/01 Author(s): David Brown, David Wood Publisher: The Nature Conservancy Abstract/Description: Rivers interact with surrounding terrestrial systems through a complex array of physical, chemical, and biological processes. The types and magnitudes of these interactions vary both spatially and temporally, often spanning several orders of magnitude (e... |
| Historical and Present Distribution of Chinook Salmon in the Central Valley Drainage of California Author(s): Ronald Yoshiyama, Eric Gerstung, Frank Fisher, Peter Moyle Abstract/Description: In this report, we consolidate historical and current information on the distribution and abundance of chinook salmon in the major tributary streams of the Central Valley in order to provide a comprehensive assessment of the extent to which chinook salmon... |
| Intermittent Streams as Rearing Habitat for Sacramento River Chinook Salmon, 1997/01/01 Author(s): Paul Maslin Publisher: US Fish and Wildlife Service - Sacramento Abstract/Description: ... |
| JUVENILE SALMONID EMIGRATION MONITORING IN THE SACRAMENTO RIVER NEAR KNIGHTS LANDING USING ROTARY SCREW TRAPS: MANAGING DEBRIS AND WEATHER TO MANAGE FOR THE PROTECTION OF THREATENED AND ENDANGERED SPECIES., 2007/04/09 Author(s): Robert Vincik Publisher: California Department of Fish and Game Abstract/Description: Juvenile salmonid emigration has been monitored on the Sacramento River at Knights Landing since 1995. The site at Knights Landing provides the last monitoring point on the Sacramento River for juvenile salmonids excluding fish produced in the Feather an... |
| Jewett Creek Integrated Farm Plan, 2001/11/07 Author(s): Ron Unger Publisher: The Nature Conservancy Abstract/Description: The 294-acre Jewett Creek Farm, located in the Sacramento River floodplain in Tehama County, provides a unique opportunity to substantially improve the wildlife value within an integrated framework of agricultural and natural community land uses on priv... |
| Management and Monitoring Recommendations for Floodplain Habitats of the Beehive Bend Subreach (RM 164-178), Sacramento River, CA, 2003/08/31 Author(s): Gregory Golet, Mike Roberts Publisher: CALFED Abstract/Description: The overall goal of the Project, as stated in the original proposal, was to “facilitate the recovery of ecological processes within the floodplain, including the regeneration of native riparian habitat.” This report outlines the results of a set of studi... |
| Management and Monitoring Recommendations for Floodplain Habitats of the Chico Landing Subreach (RM 178-206), Sacramento River, CA, 2003/02/28 Author(s): Gregory Golet, Mike Roberts Publisher: CALFED Abstract/Description: The overall goal of the Project, as stated in the original proposal, was to “facilitate the recovery of ecological processes within the floodplain, including the regeneration of native riparian habitat.” This report outlines the results of a set of studi... |
| Map of Study Location and Sampling Area for Upstream Studies, 2003/01/01 Author(s): Joe McGahan Publisher: Summers Engineering Abstract/Description: This map comes in three formats and covers the entire study area for the upstream studies and identifies the location of the sampling sites. It provides boundaries for water districts, the main stream river and tributaries, cities, wild life refuges, cou... |
| Mercury Contamination from Historic Gold Mining in California Author(s): Charles Alpers Abstract/Description: Mercury contamination from historic gold mines represents a potential risk to human health and the environment. This fact sheet provides background information on the use of mercury in historic gold mining and processing operations in California, and des... |
| Methods for Evaluating Ecosystem Integrity and Monitoring Ecosystem Response, 2003/02/03 Author(s): Jeffrey Parrish, Robert Unnasch, David Braun, Gregory Golet Publisher: CALFED Abstract/Description: This report describes a new framework that TNC is developing to promote a quantitatively rigorous method of Ecological Integrity Assessment. The framework is designed to provide information needed to evaluate the effects of conservation actions in large... |
| Middle Fork American River Watershed Assessment, 2003/01/23 Author(s): Mary Grim Publisher: American River Ranger District, Tahoe National Forest Abstract/Description: Watershed analysis is ecosystem analysis at the watershed scale; it is both analysis and an information gathering process. The purpose is to provide a means by which the watershed can be understood as an ecological system and to develop and document an un... |
| Modeling Channel Management Impacts on River Migration: A Case Study of Woodson Bridge State Recreation Area, Sacramento River, California, USA, 2002/01/01 Author(s): Steven Greco, Eric Larsen Publisher: Springer-Verlag Abstract/Description: ... |
| Modeling Plant Community Types as a Function of Physical Site Characteristics, 2003/01/01 Author(s): Daryl Peterson, Gregory Golet, Ryan Luster, Mike Roberts, Dave Jukkola Publisher: CALFED Abstract/Description: This project represents a preliminary effort to identify how local site characteristics affect the long-term vegetation community composition at horticultural restoration sites along the main stem of the middle Sacramento River, CA.... |
| NETMAP: A WATERSHED DATABASE CATALOGUE AND ANALYSIS TOOL KIT SUPPORTING RESTORATION IN CALIFORNIA, 2007/04/09 Author(s): Lee Benda Publisher: Earth Systems Institute Abstract/Description: The intrinsic physical properties of a watershed (i.e., erosion, sedimentation, wood supply and accumulation, and habitat capability) can enhance or diminish success of restoration projects. Thus, of the thousands of kilometers of hillsides, stream channe... |
| North Fork/Middle Fork American River Sediment Study Author(s): Abstract/Description: The North Fork/Middle Fork American River Sediment Study uses a course-filtered, geographic information system (GIS)-based, subwatershed relative potential risk screening model for soil erosion and sedimentation. It synthesizes relevant information using ... |
| Principles for the Ecological Restoration of Aquatic Resources Author(s): Publisher: US Environmental Protection Agency Office of Wetlands Oceans and Watersheds Abstract/Description: Restoration - the return of a degraded ecosystem to a close approximation of its remaining natural potential - is experiencing a groundswell of support across the United States. The number of stream, river, lake, wetland and estuary restoration projects g... |
| Provinsalia Project (Clearlake, CA): Sierra Club Lake Group Comment Letter and Area Map Author(s): Abstract/Description: Provinsalia developers propose building 720 houses, 120 condo units, and a 9-hole golf course on 292 acres of a 500 acre site adjoining Cache Creek just above the Clear Lake Dam. An EIR is in the earliest stages of preparation: there are many potentially ... |
| Public Comments on Upstream Monitoring and Investigations of the San Joaquin River and Tributaries Related to Dissolved Oxygen, 2003/11/12 Author(s): Bill Jennings, G. Fred Lee, Jared Huffman, Dante Nomellini, Alan Jassby Publisher: CA Bay Delta Authority (CBDA) Abstract/Description: These are the public comments on the final proposal for the Upstream Studies. ... |
| Resources on Isotopes - Nitrogen, 2004/01/01 Author(s): Carol Kendall Publisher: USGS - Menlo Park Abstract/Description: This is a review of nitrogen isotopes by the USGS. Here is the first paragraph: There are two stable isotopes of N: 14N and 15N. Because the average abundance of 15N in air is a very constant 0.366% (Junk and Svec, 1958), air (AIR) is used as the standa... |
| Results of study of site and landscape level factors affecting understory species establishment in restore forest sites Author(s): Karen Holl Abstract/Description: This paper present of the results of a study of the distribution of understory plant species in restored sites. It is currently under revision for publication. ... |
| Riparian Habitat and Bird Conservation: The Riparian Habitat Joint Venture of California, 2003/09/26 Author(s): Ann Chrisney Publisher: Riparian Habitat Joint Venture Abstract/Description: The following overview of the Riparian Habitat Joint Venture (RHJV) provides an opportunity to introduce the topic of riparian habitat and bird conservation. The RHJV is unique in that it is focused on landbird conservation in riparian habitat wherev... |
| Riparian Valley Oak (Quercus lobata) Forest Restoration on the Middle Sacramento River, 2002/01/01 Author(s): Tom Griggs, Gregory Golet Publisher: USDA Forest Service Pacific Southwest Research Station Abstract/Description: In 1989 The Nature Conservancy initiated a riparian horticultural restoration program on the floodplain of the middle Sacramento River, California. At nearly all restoration sites Valley oak (Quercus lobata Nee) comprised a major component of the planti... |
| Riparian Vegetation Classification in Relation to Environmental Gradients, Sacramento River, California, 2003/08/01 Author(s): Mehrey Vaghti Publisher: UC Davis Abstract/Description: The Great or Central Valley of California supports a diversity of scrublands, valley oak woodlands, and significant riparian areas, including freshwater wetlands and riparian forests. The hydrologic, geomorphic and biological processes that create and ... |
| Riparian bird populations of the Sacramento River System: Results From the 1993 - 1999 Field Seasons, 2000/08/01 Author(s): Grant Ballard, Diana Humple, Geoff Geupel, Anne Black, Nadav Nur, Stacy Small Publisher: Point Reyes Bird Observatory Abstract/Description: This report reports results of multiple aspects of PRBO’s work in the Sacramento River Valley during the 1990’s (1993-1999), including nest success of several open-cup nesting species, diversity and abundance of riparian birds, and fall migration patter... |
| SJR DO TMDL Technical Work Group Meeting Notes July21, 2004, 2004/07/24 Author(s): Publisher: Jones & Stokes Associates Abstract/Description: The purpose of the meeting was to provide an opportunity for all investigators involved in studies that overlap with the dissolved oxygen issue to inform one another of current activities and identify areas of overlap for possible collaboration and/or coo... |
| SMUD Upper American River Project Aquatic Bioassessment Technical Report Author(s): Abstract/Description: This Nov. 2004 report provide information regarding overall water quality and biological integrity of the stream ecosystem using the California Sream Bioassessment Procedure (CSBP) for the SMUD Upper American River Project and the PG&E Chili Bar Project. ... |
| Sacramento River Biocomplexity Project: Linking large-scale hydrological and biological processes in restoring riparian forest ecosystems, 2002/01/01 Author(s): Elizabeth Crone, Karen Holl Publisher: The Nature Conservancy Abstract/Description: The vast majority of restoration efforts, including those for Sacramento River riparian forests, are based on the assumption that, if appropriate physical conditions are created and woody plants are successfully established at a site, that site will be co... |
| Sacramento River Biological Indicators Project, 2003/03/01 Author(s): Chris Corben, Bill Rainey, Bruce Orr, Elizabeth Pierson, Mary Power, Sapna Khandwala Publisher: The Nature Conservancy Abstract/Description: Operational definitions and measurable indicators of ecosystem health are needed to prioritize restoration or rehabilitation efforts, and steer systems toward desired endpoints. The restoration goal for an ecosystem is not a single state, but a range of ... |
| Sacramento River Ecological Flows Tool (SacEFT): Design Guidelines Author(s): Clint Alexander Abstract/Description: The Nature Conservancy (TNC) and its partners are investigating linkages between river flow on the Sacramento River and various ecological targets in an attempt to improve conditions for those targets. There are a number of tasks within this project incl... |
| Sacramento River National Wildlife Refuge, Rio Vista Unit: Conceptual Restoration and Local Flood Hazard Reduction Plan, 2004/03/04 Author(s): Chris Bowles Publisher: The Nature Conservancy Abstract/Description: Philip Williams & Associates, Ltd. (PWA), was hired through The Nature Conservancy's Sacramento River Project to undertake a feasibility study to assess the potential for a conceptual floodplain topography restoration and local flood hazard reduction plan... |
| Salmonid Use of the Floodplain Author(s): Mike Limm, Michael Marchetti Abstract/Description: Sacramento River floodplains provide beneficial rearing habitat for multiple species of native fish (e.g., chinook salmon [Oncorhynchus tschawytscha], splittail [Pogonichthys macrolepidotus], Sommer et al. 2001). Physical factors influencing the quality... |
| San Joaquin District Data Map, 1998/10/02 Author(s): Publisher: Department of Water Resources Abstract/Description: This web page contains numerous maps of the San Joaquin district which contain various information about different time periods. The maps show data relevant to groundwater level, water quality, suface water, and land use. ... |
| Site-specific survival of Black-headed Grosbeaks and Spotted Towhees at four sites within the Sacramento Valley, California Author(s): Thomas Gardali, Nadav Nur Abstract/Description: We estimated apparent annual survival and recapture probabilities for adult Black-headed Grosbeaks (Pheucticus melanocephalus) and Spotted Towhees (Pipilo maculatus) at four sites along the Sacramento River, California. To calculate our estimates, we us... |
| Sources and Transport of Nutrients, Organic Carbon, and Chlorophyll-a in the San Joaquin River Upstream of Vernalis, California, during Summer and Fall, 2000 and 2001, 2004/01/01 Author(s): Charlie Kratzer, P Dileanis, Brian Bergamaschi, Randy Dahlgren, Celia Zamora, Stephen Silva, Carol Kendall Publisher: US Geological Survey Abstract/Description: Oxidizable materials from the San Joaquin River upstream of Vernalis can contribute to low dissolved oxygen episodes in the Stockton Deep Water Ship Channel that can inhibit salmon migration in the fall. The U.S. Geological Survey collected and analy... |
| Sources of Oxygen Demand in the Lower San Joaquin River, California, 2004/06/01 Author(s): Peggy Lehman Publisher: Journal Estuaries Abstract/Description: ABSTRACT: Dissolved oxygen concentration below 5 mg/L has characterized the lower tidal portion of the San Joaquin River downstream of Stockton, California, during the summer and fall for the past four decades. Intensive field research in 2000 and 2001 in... |
| The Causes and Control of Algal Blooms in Clear Lake Author(s): Peter Richerson, Thomas Suchanek, Stephen Why, Thomas Smythe Publisher: Lake County Public Works Department Abstract/Description: This document explores the effects of algae blooms on Clear Lake, especially the impacts of erosion which may cause increased iron and phosphorus levels. ... |
| The Development of an Alternative Restoration Strategy for Sacramento River Riparian Forests Author(s): Daryl Peterson Publisher: California State University Chico Abstract/Description: Process-based restoration strategies seek to manipulate the dominant physicalor ecological processes that control the establishment of natural communities. The development of process-based restoration strategies for restoring floodplain forests has been l... |
| Tracking sources and sinks of organic matter using and nitrate using isotropic techniques Author(s): Steve Silva, Carol Kendall Abstract/Description: Sources and sinks can often be identified, traced, and semiquantified because: • nitrate and organic matter derived from different sources and land uses often have distinctively different isotope compositions, and • different kinds of sinks can someti... |
| Upper Cosumnes River Basin Environmental Assessment, 2000/12/15 Author(s): Karen Quidachay, Susan Britting, Alan Ehrgott Publisher: American River Conservancy Abstract/Description: This completes the first phase of the Upper Cosumnes River Watershed Conservation Project. It is intended to lay the foundation for the next phase of the project - the strategic plan for conservation of the watershed. Accordingly, it provides a descript... |
| Upper Cosumnes River Watershed Conservation Project; Draft Strategic Plan, 2001/06/25 Author(s): Karen Quidachay, Susan Britting Publisher: American River Conservancy Abstract/Description: This Strategic Plan for conservation of the upper Cosumnes watershed completes the second phase of the Upper Cosumnes River Watershed Conservation Project (Conservation Project). The ultimate goals of the project include the long-term conservation of the ... |
| Using Science to Evaluate Restoration Efforts and Ecosystem Health on the Sacramento River Project, California, 2003/01/01 Author(s): Gregory Golet, David Brown, Elizabeth Crone, Karen Holl, Dave Jukkola, G Kondolf, Ryan Luster, Michael Marchetti, Nadav Nur, Bruce Orr, Mary Power, Bill Rainey, Mike Roberts, Joe Silveira, Stacy Small, Dawn Wilson, David Wood, Daryl Peterson, Geoff Geupel, Steven Greco, Eric Larsen, Frank Ligon Publisher: Riparian Habitat Joint Venture Abstract/Description: The Nature Conservancy (TNC) and its partners are attempting to restore the riparian ecosystem of the Sacramento River over ~100 river miles, from Red Bluff to Colusa. To evaluate baseline ecosystem conditions, determine how the system is responding to ... |
| WARMF and its Potential Application for San Joaquin River TMDL Analysis, 2005/05/17 Author(s): Carl Chen, Joel Herr Publisher: Systech Engineering, Inc. Abstract/Description: This is a PowerPoint presentation on the applicability of WARMF to the SJR DO TMDL Analysis and watershed management needs. What follows is a summary of WARMF. The Watershed Analysis Risk Managment Framework (WARMF) is a revolutionary watershed de... |
| Yellow-Billed Cuckoo Survey Methodology in California 1999-2000, 2003/07/08 Author(s): Murrelet Halterman, Dave Gilmer, Steve Laymon, Gary Falxa Abstract/Description: In 1999 we conducted surveys in California riparian habitats known or suspected to support breeding populations of Yellow-billed Cuckoos. Major survey areas included the Sacramento, Kern, and Lower Colorado Rivers, as well as numerous areas with smaller... |
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