Juneau

Alaska

Site Description:       

Juneau is situated along the Gastineau Channel in Southeast Alaska.  The runoff from the glaciers above Juneau create many stretches of mud and sand along the channel although there are areas of rock and gravel in the vicinity also. This list includes sites in and around Juneau and the immediate neighboring islands.

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Species List:

     Following is a list of mollusk species observed at this location by members and associates of the club.  This is by no means a complete list of the species which may occur at this site.  Revisions and additions to the data are made as we acquire new information.   When a site contains more than one very distinctive type of habitat or if multiple sites were included in a single location, then a species list for each is included.
    We indicate frequency of occurrence based on our observations.  This is an indicator of how likely it is that you may be able to find this species yourself and is not a formal population survey.  

     Frequency Code:  (Based on the assumption that you are looking in the appropriate location where the species
                                          likes to live - on rocks, in sand, etc.  
Some populations fluctuate seasonally.  Ours are based
                                          on the spring/summer seasons.
)
     [4] - Rare - very difficult to find, maybe only a couple found after repeated visits to the site
     [3] - Uncommon - difficult to find, may not see on every trip but dedicated searching may turn up a few
     [2] - Common - easy to find, should locate a number of them on any given day
     [1] - Abundant - very easy to find, large numbers should be seen on every trip

Data is all intertidal unless noted.

Due to the nature of the data, this list will not be rated for frequency of occurrence.  It is also a very incomplete list.

     Bivalves
Chlamys rubida
Clinocardium nuttallii
Leukoma staminea
Mactromeris polynyma
Mytilus trossulus
Saxidomus gigantea
Serripes groenlandicus
 
     Gastropods
Acmaea mitra
Buccinum baeri
Buccinum plectrum
Colus sp.
Cryptobranchia concentrica
Lottia fenestrata
Lottia pelta
Margarites pupillus  

Melanella sp.
Odostomia sp.

Siphonaria thersites
Trophonopsis tenuisculptus

 
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This page last revised: 6-3-2013