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Illahee Update 11/27/11 Fallen Tree Report, Rotary Group, Culvert Report, High Tides

November 27, 2011

Fallen Tree Report 2010/2011. The final fallen tree report for the 2010/2011 season was 105 trees removed from somewhere between 4 and 5 miles of Illahee Preserve trails.  Assuming 5 miles of trails this would equate to 21 trees per mile of trail.  Considering the time span of one year and several intense wind storms the numbers appear reasonable.  Thanks to the Rotary trail crew for staying on top of this beginning the Friday after Thanksgiving last year and finishing up with tree 105 on Thanksgiving morning this year!


Which Rotary Group? There are at least three Rotary groups in the area (two in Bremerton and one in Silverdale) and every now and then we are asked exactly what Rotary group has adopted the Illahee Preserve.  The answer is the East Bremerton Rotary Club.  Not only does this club organize and participate in Illahee Preserve work parties, they work with tree companies to get wood chips, they perform the fallen tree removal crew duties, they have been doing restoration work planting trees and ferns, and they pay for and installed two of the large Illahee Preserve signs, and are working on a new sign for State Route 303 just north of the wrecking yard.  They are also helping with Nathan Clemen’s Eagle Scout Compass Circle Meadow Restoration Project, and possible other projects we aren’t even aware of.  Thank you Rotary Club of East Bremerton!!!
Illahee Culvert Report. We wanted to see if the last rain storm had any effect on the Illahee Creek Culvert under Illahee Road.  According to our measurements the sediment level raised about 6 inches.  We look for the maximum clearance from the bottom of the stream to the top of the culvert and use a stick to do so, which you can see in the photo below.  The concern as the sediment level increases is possible blockage from upstream logs that might not fit through the culvert.  There are a number of upstream areas where logs are slowly moving down, some that would make a beaver feel quite fortunate to find.  We have included a couple of examples below.
High Tides. There have been some high tides already this month, with a few more to end up the month of November.  Early this morning was a 13.5 ft high, with a 13.4 on Monday and a 13.2 on Tuesday.
Beach Log Securing Experiment. We have heard of some attempts to try and keep transient logs at the high tide mark of the beach in order to improve shoreline habitat by securing them, some with ropes, others with an anchoring system.  We will try to get more information as there are many more high tides coming up in December, since if any of these experiments work, others might be interested in doing the same thing. Otherwise these logs float out on high tides and are eventually picked up and hauled away.

Jim Aho
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