Mattole River

Mattole River
Mattole River (Mattóal)
stream
Courtesy of Mattole Restoration Council
Country United States
State California
Regions Mendocino County, Humboldt County
Cities Petrolia, Whitethorn, Honeydew
Source King Range
 - location 11 mi (18 km) southwest of Redway, California
 - elevation 1,780 ft (543 m)
 - coordinates 39°59′7″N 123°58′19″W / 39.98528°N 123.97194°W / 39.98528; -123.97194 [1]
Mouth Pacific Ocean
 - location 4 mi (6 km) west of Petrolia, California
 - elevation 0 ft (0 m)
 - coordinates 40°18′8″N 124°21′14″W / 40.30222°N 124.35389°W / 40.30222; -124.35389 [1]
Length 62 mi (100 km)
Basin 304 sq mi (787 km2)
Discharge for Petrolia
 - average 1,288 cu ft/s (36 m3/s)
 - max 90,400 cu ft/s (2,560 m3/s)
 - min 11 cu ft/s (0 m3/s)
Logging train crossing the Mattole River mouth, circa 1900
Climbing high to collect native seeds for restoration in the Mattole Watershed, courtesy Mattole Restoration Council
Volunteer replants native Douglas Fir on the river, courtesy Mattole Restoration Council

The Mattole River is a river on the north coast of California, that flows northerly, then westerly into the Pacific Ocean. A short section of the river flows through upper Mendocino County, but the vast majority of its 62-mile (100 km) run is through southern Humboldt County. Communities, from north to south, closely associated with the Mattole River include: Petrolia, Honeydew, Ettersburg, Thorn Junction, and Whitethorn. The river enters the ocean at the Mattole Estuary about 4 miles west-southwest of Petrolia and 10 miles south of Cape Mendocino.

Contents

History

"Mattole" refers to an Athabaskan Indian people, the Mattole. They historically called themselves Mattóal or bedool, but were called by neighboring Wyott Indians Medol or me'tuul.[2][3] The Mattole lived principally on the Mattole and Bear rivers.[4] This war-like tribe was practically exterminated because of its resistance to white settlers.[2] The local tradition is that Mattole means "clear water".[2]

Watershed

The river and its 74 tributaries drain about 304 square miles (787 square km), including the eastern side of the King Range, and flows through Mattole Valley before emptying into the Pacific Ocean.[5] Although the Mattole River's source is at ~1,780 feet of elevation, its tributaries originate as high as 4,000 feet above sea level.[6] The North Fork of the Mattole River enters the river mainstem about 0.5 miles up from Petrolia. For most of its length, the river is only a few miles (~6–7 km) east of the King Range National Conservation Area. About halfway to the ocean, near Honeydew, California, the river passes by Humboldt Redwoods State Park. The two largest tributaries are Honeydew Creek and Bear Creek.

Ecology and Conservation

The Mattole River has been declared a 303(d) impaired waterbody that flows into a Marine Protected Area (Punta Gorda State Marine Reserve).[7] Areas in the Mattole River watershed are undergoing restoration to restore habitat that was degraded by a combination of early industrial-style timber harvest techniques and associated road construction, naturally erosive geology, and two 100-year floods which occurred in 1955 and 1964. The Mattole River and Range Partnership, consisting of the Mattole Restoration Council, Mattole Salmon Group, and Sanctuary Forest, undertakes this work with the collaboration of watershed landowners and multiple private and agency funders.

The Mattole River is home to three salmonid species: Chinook salmon (Oncorhynchus tshawytscha), Coho salmon Oncorhynchus kisutch), and Steelhead trout (Oncorhynchus mykiss). All three are listed as threatened under the Federal Endangered Species Act. Coho salmon are additionally listed as threatened under the California State Endangered Species Act. The Mattole Salmon Group counted just three adult Coho salmon in the river this past 2009-2010 winter (and only one redd) which is the lowest number of coho counted since the group began surveys in 2004, and far below the historical estimates of thousands of 17,000-20,000 adults, or even 1950s and 1960s estimates of 8,000 and 5,000, respectively.[8] Mattole Salmon Group Executive Director Keytra Meyer explained that even though the recent salmon surveys don't span the entire watershed, it is unlikely that the teams missed even 50 adult fish. Efforts to locate juvenile coho found them only in Thompson and Ancestor creeks, among the uppermost tributaries to the Mattole.[9] In 2010-2011 ten coho were counted and five redds, but these numbers are still 95% lower than 2006-2007. Each salmon run is on a three year cycle.[10]

The Mattole Restoration Council, the Mattole Salmon Group, Sanctuary Forest, the Mill Creek Watershed Conservancy, the Upper Mattole River and Forest Cooperative and the Mattole River and Range Partnership fosters the Mattole River habitat restoration work and serves as a model for other communitees who wish to work cooperatively to repair anadromous salmonid habitat.[11] Recently the group is planning a pilot project to decrease winter runoff and increase summer flows using a beaver dam model. Ecosystem analyst Michael Pollock, from the Northwest Fisheries Science Center of NOAA Fisheries, is assisting with the project. His research has shown that salmon smolt production per beaver dam ranges from 527 to 1,174 fish, whereas production in a pool formed by large woody debris is only 6 to 15 fish.[12] This suggests that re-establishment of beaver populations would be 80 times more effective in salmonid recovery efforts than large woody debris placement alone.[13]

The common plant associations within the Mattole include the following: (1) Coast redwood forest (Sequoia sempervirens) (in the southern headwaters), (2) mixed Coast Douglas-fir (Pseudotsuga menziesii var. menziesii) and hardwood (primarily Tanoak (Lithocarpus densiflorus) and Pacific madrone (Arbutus menziesii) forest, (3) mixed chaparral (primarily manzanita Arctostaphylos spp., mountain whitethorn Ceanothus cordu-latus, scrub oak Quercus berberidifolia, and Coyote brush (Baccharis pilularis)), and (4) grasslands. Riparian zones of the Mattole, in addition to the above, also contain Bigleaf maple (Acer macrophyllum), Red alder (Alnus rubra), cottonwood (Populus fremontii), Oregon ash (Fraxinus latifolia), and Willow (Salix spp).[14]

Parks and Recreation

Arthur W. Way County Memorial Park is adjacent to the river, and lies on the south bank.

See also

  • List of rivers in California

References

  1. ^ a b U.S. Geological Survey Geographic Names Information System: Mattole River
  2. ^ a b c California Place Names. pp. 195–196. http://books.google.com/books?id=M-22djGNuhwC&pg=SL3-PA195&lpg=SL3-PA195&dq=gudde+place+names+mattole+river&source=bl&ots=-KPH2FVKJS&sig=MQUpTuD0FBRFL2Bd7JClbmkLmI0&hl=en&ei=Cl01TNPpE9P-nAffzbyBBA&sa=X&oi=book_result&ct=result&resnum=7&ved=0CC4Q6AEwBg#v=onepage&q&f=false. Retrieved 2010-07-07. 
  3. ^ William Bright (2004). Native American placenames of the United States. University of Oklahoma Press. p. 273. ISBN 9780806135984. http://books.google.com/books?id=5XfxzCm1qa4C&pg=PA273&lpg=PA273&dq=place+names+mattole+river&source=bl&ots=ZRiCo2iqpt&sig=po_hI1uS21DnY0f_7dacrl5tJn8&hl=en&ei=N1o1TJ2bFcKFnAef1ay1DQ&sa=X&oi=book_result&ct=result&resnum=4&ved=0CCEQ6AEwAw#v=onepage&q&f=false. Retrieved 2010-07-07. 
  4. ^ Powers, Stephen (1976) [1877]. Tribes of California. Intro. and Annotations by Robert Heizer. Berkeley and Los Angeles, CA USA: University of California Press. p. 107. ISBN 0-520-03172-5. http://books.google.com/books?id=LnMT7EWIPikC&pg=PA108&lpg=PA108&dq=mattoal&source=bl&ots=wB9o_G_Fmg&sig=CNqrNQ5pHwrTwMt00yZoukSSbpU&hl=en&ei=Ul41TOCSDMGJnQep8bWGBA&sa=X&oi=book_result&ct=result&resnum=4&ved=0CCYQ6AEwAw#v=onepage&q=mattoal&f=false. Retrieved 2010-07-07. 
  5. ^ Mattole River (Report). The Trust for Public Land. http://www.tpl.org/content_documents/A08_mattole.pdf. Retrieved 2010-01-19. 
  6. ^ Mattole River and the King Range (Report). Save the Redwoods. http://www.savetheredwoods.org/protecting/pdf/mp_h_mattole.pdf. Retrieved 2010-01-19. 
  7. ^ "Mattole River". California Coastal Commission. http://www.coastal.ca.gov/nps/Web/cca_pdf/ncoastpdf/CCA7MattoleRiver.pdf. Retrieved 2010-07-07. 
  8. ^ Keytra Meyer (2010-02). "The Year Ahead". p. 2. http://www.mattolesalmon.org/images/stories/Documents/Newsletter/Mattole_Salmon_Chronicle_Feb_2010.pdf. Retrieved 2010-10-24. 
  9. ^ John Driscoll (2010-10-24). "Mattole coho on the brink: Groups, agencies to meet on what can be done to spare salmon". The Times-Standard. http://www.times-standard.com/ci_15341770?IADID=Search-www.times-standard.com-www.times-standard.com. Retrieved 2010-10-24. 
  10. ^ Natalie Arroyo (2011-07-07). "Last Call for Coho - An iconic species on the brink in the Mattole Valley and beyond". Humboldt County Journal. http://www.northcoastjournal.com/news/2011/07/07/last-call-coho/. Retrieved 2011-09-05. 
  11. ^ "Mattole Watershed". Trees Foundation. http://www.treesfoundation.org/publications/topic-17. Retrieved 2010-07-07. 
  12. ^ M. M. Pollock, G. R. Pess, T. J. Beechie (2004). "The Importance of Beaver Ponds to Coho Salmon Production in the Stillaguamish River Basin, Washington, USA". North American Journal of Fisheries Management: 749–760. http://duff.ess.washington.edu/grg/publications/pdfs/Pollock.pdf. Retrieved 2010-09-09. 
  13. ^ Tasha McKee (Summer/Fall 2010). "Coho, Beaver Ponds, and Climate Change". Mattole Restoration News. http://www.mattole.org/content/print-newsletters. Retrieved 2010-07-21. 
  14. ^ Hartwell H. Welsh, Garth R. Hodgson, Bret C. Harvey, Maureen E. Roche (2001). "Distribution of Juvenile Coho Salmon in Relation to Water Temperatures in Tributaries of the Mattole River, California". North American Journal of Fisheries Management: 464–470. http://www.fs.fed.us/psw/rsl/projects/wild/welsh/welsh5.pdf. Retrieved 2010-10-24. 

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