Difference between revisions of "Steelhead in the Monterey Bay Region"

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A [[Watershed Issues|watershed-related issue]] examined by the [http://sep.csumb.edu/wiki/index.php/ENVS_560/L_Watershed_Systems ENVS 560/L Watershed Systems] class at [http://csumb.edu CSUMB].
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#REDIRECT[[Steelhead Management in the Monterey Bay Region]]
 
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== Summary ==
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Steelhead present unique management challenges compared to other salmonids due to their life history plasticity.  These management challenges are compounded because the Monterey Bay Region is split into two Distinct Population Segments (DPSs), the South-Central California Coast Steelhead and the Central California Coast Steelhead. A DPSs is a population of species that is discrete from other populations and reproductively isolated from other populations. <ref name="DPS">Environmental Commons, Date accessed April 10th 2012 http://environmentalcommons.org/hatchery-fish.html</ref> Steelhead in the Monterey Bay Region face difficult environmental conditions because of the unique topography of the area, and proximity to the southern limit of the species range. Both DPSs in the Monterey Bay Region are currently listed as threatened under the [[Endangered Species Act (ESA)]].
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== Habitat in the Monterey Bay Region ==
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The Monterey Bay, located on the Central Coast of California, is the centerpiece of the [[Monterey Bay National Marine Sanctuary]]. Steelhead in the Monterey Bay Region are of particular interest for several reasons.  These fish are near the southern limit of the species range, and face environmental conditions quite distinct from Northern California populations.  The Mediterranean climate of the Monterey Bay Region results in temperatures that are typically higher than those found to the north, with mild winters and productive high-flow springs supporting the highest growth rates <ref name="Hayes"> Hayes SA, Bond MH, Hanson CV, Freund EV, Smith JJ, Anderson EC, Ammann AJ, MacFarlane RB. 2008. Steelhead growth in a small central California watershed: upstream and estuarine rearing patterns. Transactions of the American Fisheries Society 137:114-128. </ref>.  In contrast, rainfall and stream-flow are low during the summer and fall, limiting growth rates.  The small coastal streams of the Monterey Bay Region frequently feature sand-bar closed estuaries during low-flow periods that may provide ideal nursery habitat for smolts <ref name="Bond"> Bond MH, Hayes SA, Hanson CV, MacFarlane RB. 2008. Marine survival of steelhead (''Oncorhynchus mykiss'') enhanced by a seasonally closed estuary. Canadian Journal of Fisheries and Aquatic Sciences 65:2242-2252. </ref> <ref name="Hayes"/>, but also constrain potential emigration and return dates to when stream-flow is high enough to breach the sandbar <ref name="Satt"/>.
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== Management Challenges in the Monterey Bay Region ==
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There are two areas designated as critical habitat for [[stealhead]] in the Monterey Bay are.<ref> Steelhead ESA Listings http:://http://www.nwr.noaa.gov/ESA-Salmon-Listings/Salmon-Populations/Steelhead/Index.cfm</ref>. The Central California Coast Section extends from the Russian River south to Aptos Creek, and the South Central California Coast Section extends from the Pajaro River south to just north of the Santa Maria River, effectively splitting the Monterey Bay in half.
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Steelhead once had a large run up the [[The Salinas River|Salinas River]], today the population is facing drastically reduced population sizes. Similarly [[Steelhead in the Salinas Watershed]] are also facing population size reductions. The Salinas Watershed encompass the Salinas River as well as many tributaries within the Central Coast.
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== Conservation and Restoration Efforts ==
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[http://http://www.noaa.gov/ The National Oceanic and Atmospheric Administration (NOAA)], [http://http://www.nmfs.noaa.gov/ National Marine Fisheries Service (NMFS)], and [http://http://swfsc.noaa.gov/ Southwest Fisheries Science Center (SWFSC)] have been working closely with the [http://http://mbstp.org/ Monterey Bay Salmon and Trout Project (MBSTP)] on the restoration of Steelhead populations in the Monterey Bay Region.  NMFS and MBSTP operate the Kingfisher Flat Conservation Hatchery outside Davenport, CA, in an effort to restore Steelhead populations and maintain the genetic diversity of local populations.  Returning adult Steelhead are captured and spawned with both wild returning adults and with captive broodstock adults to ensure greatest possible genetic diversity.  Yearlings are transported and released into rivers and streams in the Monterey Bay Region each fall.
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The MBSTP also plays a large role in educating the local community about preserving salmon and steelhead populations. The group runs a Salmon and Trout Education Program (STEP). Classrooms from San Bruno to Gonzales ranging from elementary to high school are able to participate in MBSTP's program. Not only are the students educated on salmonids life cycle and habitat requirements, but the students also raise steelhead in their classroom.<ref>Monterey Bay salmon and Trout Project http://mbstp.org/General/aboutus.html</ref> A similar program is being conducted by the [http://www.centralcoastsalmon.com/index.php?option=com_content&view=article&id=53&Itemid=249 Central Coast Salmon Enhancement] in the South Central Coast.
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== Resources at stake ==
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Recreational and commercial fishing, biological diversity
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== Stakeholders ==
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*Recreational and commercial fishermen
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*NOAA/NMFS
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*[http://www.dfg.ca.gov/ California Dept. of Fish and Game]
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*[http://mbstp.org/ Monterey Bay Salmon & Trout Project]
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*[http://www.calfish.org/ CalFish]
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*[http://www.fishnet4c.org/index.html FishNet 4C]
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*[http://www.mcwra.co.monterey.ca.us/ Monterey Country Water Resource Agency]
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*[http://www.waterboards.ca.gov/ State Water Resources Control Board]
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*[http://www.lompicocreek.org/lwc-2/index.php?option=com_content&view=article&id=6&Itemid=2 Lompico Watershed Conservancy ]
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== Laws, policies, & regulations ==
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ESA, NOAA Action Plans,
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== Systems ==
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Marine/Terrestrial interaction
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== Science ==
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NOAA/NMFS/SWFSC, MBSTP, FISHBIO
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== References ==
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<references/>
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== Links ==
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*[http://www.noaa.gov/ National Oceanic and Atmospheric Administration (NOAA)]
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*[http://www.nwr.noaa.gov/ESA-Salmon-Listings/Salmon-Populations/Steelhead/Index.cfm Steelhead ESA Listings]
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*[http://www.nmfs.noaa.gov/ National Oceanic and Atmospheric Administration, National Marine Fisheries Service (NOAA/NMFS)]
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*[http://swfsc.noaa.gov/ National Oceanic and Atmospheric Administration, National Marine Fisheries Service, Southwest Fisheries Science Center (NOAA/NMFS/SWFSC)]
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*[http://www.nwfsc.noaa.gov/ National Oceanic and Atmospheric Administration, National Marine Fisheries Service, Northwest Fisheries Science Center (NOAA/NMFS/NWFSC)]
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*[http://mbstp.org/ Monterey Bay Salmon and Trout Project (MBSTP)]
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*[http://www.fishnet4c.org/counties_monterey.html FishNet 4C]
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*[http://fishbio.com/ FISHBIO]
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*[http://www.calfish.org/ CalFish]
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*[http://www.dfg.ca.gov/ California Department of Fish and Game (CDF&G)]
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*[http://www.mcwra.co.monterey.ca.us/ Monterey County Water Resources Agency (MCWRA)]
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*[http://www.waterboards.ca.gov/centralcoast/ State Water Resources Control Board, Central Coast Section (SWRCB/CCS)]
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== Disclaimer ==
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This page may contain student work completed as part of assigned coursework. It may not be accurate. It does not necessary reflect the opinion or policy of [[CSUMB]], its staff, or students.
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Latest revision as of 21:53, 11 April 2012