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Lehigh River American Shad
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The staff from Fisheries Management Area 5 (Bushkill) has completed monitoring of shad passage through the Easton Dam (RM 0.0) fishway for the 2012 spawning migration. Monitoring was discontinued at the Chain Dam (RM 3.0) fishway due to its inability to successfully pass shad. At Easton, surveillance equipment was started 23 March 2012 and terminated 29 June 2012. The early start was due to the unusual warming trend during the spring, which was thought to have jump started shad passage earlier than traditional runs.

A minimum of 2,096 adult American shad passed the Easton Dam fishway in 2012 (Table 1). The passage of the first recorded American shad was on 23 March with shad being recorded through 28 June. Multiple peaks in passage were observed 16 April through 22 April (n = 453 shad), 1 May through 15 May (n = 507 shad), 17 May through 1 June (n = 934 shad), and 8 June through 14 June (Figure 1). Generally passage was very low and sporadic prior to 16 May, with less than 10 individuals observed passing. Throughout May and June, passage of shad occurred daily although no passage of shad was observed 27 March through 13 May. Passage was recorded throughout the 24-hour period with the greatest movement (98.6%, n = 2,067 shad) occurring from 0500 through 2100 hours

CLICK HERE for the complete report: American Shad Passage through the Easton Dam Fishway, Lehigh River

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Fishes observed migrating through the Easton (RM 0.0) and Chain (RM 3.0) fishways, 2002-2012.  Note monitoring at the Chain fishway in 2004 was terminated in early April due to equipment failure.
Easton Fishway
Species 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012
American shad 422 754 675 2023 1397 408 425 1935 558 2096
Herring sp. 0 1 11 0 0 0 0 0 0  
Gizzard shad 6 16 21 720 472 192 206 62 4  
Striped bass 0 1 3 1 3 2 0 9 4  
American eel - 1 35 20 6 24 1 1 1  
Sea lamprey 233 6936 1882 1366 5657 4674 1738 1537 3659  
Trout 75 199 313 282 160 129 170 354 205  
Muskellunge 2 11 3 2 6 9 8 1 8  
Chain pickerel 0 0 0 0 0 0 0 0 0  
Walleye 0 1 37 0 7 20 10 13 16  
Yellow perch 0 0 1 6 0 0 0 0 0  
Bass 221 147 161 1026 398 592 719 349 515  
Sunfish/Crappie 77 83 225 893 167 491 513 437 603  
Carp 558 437 679 1322 600 640 567 334 249  
Quillback 8 24 26 34 28 31 29 37 40  
Catfish 122 262 340 830 378 525 573 490 688  
Flathead catfish 0 0 0 0 0 0 0 3 11  
Minnows/Fallfish 66 351 258 257 14 15 55 500 32  
Sucker 1867 3797 688 2549 9408 6960 3045 2986 2560  
Unknown 72 142 123 81 334 58 95 64 123  
Total 3729 13162 5471 11392 19029 14770 8154 9109 9276  
Chain Fishway
Species 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011
American shad 1479 40 - 324 588 215 84 60 169 29
Herring sp. 0 0 - 0 0 0 2 0 0 0
Gizzard shad 72 3 - 38 383 188 71 76 24 0
Striped bass 0 0 - 0 0 0 0 0 1 1
American eel 80 5 - 401 30 66 1,923 59 403 606
Sea lamprey 1321 163 - 2346 4194 384 1,318 1,477 3296 5824
Trout 321 106 3 352 124 71 212 194 292 272
Muskellunge 2 2 - 4 6 0 0 1 1 0
  0 0 - 0 0 0 0 - - 2
Walleye 0 4 - 54 13 3 7 8 3 4
Yellow perch 2 0 - 10 0 0 0 2 1 2
Bass 876 298 - 221 824 140 484 692 444 632
Sunfish/Crappie 850 215 - 605 617 186 502 350 472 511
Carp 244 138 - 266 247 94 220 208 86 76
Quillback 0 0 - 0 2 0 0 0 0 0
Catfish 210 93 - 184 337 193 298 341 271 445
Flathead catfish 0 0 - 0 0 0 0 0 0 5
Minnows/Fallfish 158 84 - 793 245 30 15 62 64 21
Sucker 621 1227 254 1741 1621 1812 862 9,533 3873 4107
Unknown 65 346 - 167 407 336 96 59 80 24
Total 6221 2719 257 7506 9608 3652 6094 13122 9500 12560
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Featured topics
Lehigh R. Fisheries Mgmt Plan
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Lehigh R. Fish Passage Feasibility Study
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Area 5 reports (inc. Lehigh River)
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2008 Lehigh River Shad Symposium
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Lehigh River summary of fish passages 2008
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Biologist reports
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Shad Index
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