Smyrna 
Elementary School
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The Effect of Trawling on the Estuary
Duke/Smyrna School Partnership

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Project Introduction
Summer01 Program Description
Summer01 Animal Data 
Summer01 Chemical Data 
Summer01 Pictures
Fall01 Animal Data 
Fall01 Chemical Data 
Fall01 Pictures
Conclusions 01
Spring02 Animal Data
Spring02 Chemical Data
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Summer 2001 Chemical  Data

Sleepy Creek /Straits Open

Midden's Creek Open
Sleepy Creek Closed Midden's Creek Closed
 

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Salinity testing

Checking Temperature

 

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Observing Catch

Discussing Chemical Observations


Sleepy Creek/Straits Creek Opened
Date site # Surface D.O.
(ppt.)		 Bottom D.O.
(ppt.)		 Salinity
(ppt.)		 Temp.
C		 Water depth 
m		 Secchi depth
m
6/20 1-SO 5.58 6.32 33 27.5 Too Deep -
6/20 2-SO 5.73 5.63 32.8 27.8 Too Deep 1.4
6/20 3-SO 5.95 5.75 32.8 27.8 Too Deep 1.3
6/20 4-SO 6.02 5.91 32.8 27.8 Too Deep 1.2
6/20 5-SO 5.96 5.87 32.7 27.8 Too Deep 2

Average

 5.848 5.896 32.82 27.725 - 1.475
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Sleepy Creek Closed
Date site # Surface D.O.
(ppt.)		 Bottom D.O.
(ppt.)		 Salinity
(ppt.)		 Temp.
C		 Water depth 
m		 Secchi depth
m
6/20 6-SC 5.65 5.45 32.6 28.7 0.7 0.8
6/20 7-SC 5.29 5.29 32 30.1 Too Deep 0.5
6/20 8-SC 5.8 3.81 - - Too Deep 0.8
6/20 9-SC 5.92 6.25 - - Too Deep -
6/20 10-SC 6.82 6.72 31.7 30.1 Too Deep -

Average

 5.90 5.504 32.1 29.63 0.7 0.7

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Midden's Creek Opened
Date site # Surface D.O.
(ppt.)		 Bottom D.O.
(ppt.)		 Salinity
(ppt.)		 Temp.
C		 Water depth
m 		 Secchi depth
6/21 1-MO 5.85 5.6 ND ND ND ND
6/21 2-MO 6.14 6.14 31.4 29.3 Too deep 1.6
6/21 3-MO 6.1 5.78 32.1 29.9 1.9 1.8
6/21 4-MO ND ND 32 29.7 1.5 1.3
6/21 5-MO 6.37 6.31 32.2 29.8 Too deep 1.6

Average

 6.115 5.965 32.925 29.675 1.7 1.475
 

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Midden's Creek Closed
Date site # Surface D.O. Bottom D.O. Salinity Temp. Water depth
m 		 Secchi depth
6/21 6-mc 4.49 4.11 32.3 29.5 1.1 .7
6/21 7-mc 5.07 5.5 31.8 30.3 .9 -
6/21 8-mc 6.23 5.6 - 30.5 .9 -
6/21 9-mc 5.61 5.73 31.8 30.2 1 .7
6/21 10-mc 5.57 5.35 32 30.4 1 .8

Average

 5.394 5.258 31.975 30.2 .98 .73

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