a. Collectic 

 trawl on 2-3 June 

 Bay. Fish were ta 

 mature high marsh [1 . 

 creeks at sites which 

 invertebrates. AlsOj : 

 juvenile salmonids and 

 seine samples were 

 slough habitats. 



Only part o£ the 

 tive was to documer 

 mens for stomach c 

 species were caugh 

 each species repre. 

 were preserved in 10-.- 

 abdominal cavities of 

 tion of the preservati 

 70-percent isopropanol 

 species and measured f 



b. Stomach Content 



from a sample were anal> 

 were analyzed. The fi 

 size distribution of z\ 



- made by otter 

 r 1978 in Siletz 

 ptember 1978) and 

 : n the tidal 

 :d for aquatic 

 re seined for 

 additional 

 dflat, and 



■inary objec- 

 ovide speci- 

 ' the same 

 subsample of 

 :ained. Fish 

 che field. The 

 . : allow penetra- 

 cre transferred to 

 identified to 



10 to 12 fish 

 :rom 27 samples 

 jomposition and 



Stomach content anal> 

 stomach fullness, dige-: 

 the 'different food ite. 

 microscope and a grided p 

 on a scale of to 9, basf 

 recognizable; 9 = tota 

 items) of unrecognizal 

 items were identif 

 studies. 



and estimating 

 '. araes and numbers of 

 binocular dissecting 

 bolus was rated 

 = nothing 

 it not number of 

 ■arate item. Prey 



the invertebrate 



1, 



General , 



The structure c 

 depicted on a taxor 

 cases, the data are pr-. 

 the trophic interprets 

 trophic type (herbi 

 nonfeeder, and unb 

 stomach content 



ommunities is 



nic basis. In both 



undance. For 

 assigned to a 

 r, scavenger, 

 sed on the 



Drift net 

 sampling diffic 

 collections in tic; 



cause of 

 weep net 

 ormation. Appendixes 



