Virginia Game Fish Tagging Program,Annual Report,Susanna Musick Marine Recreation Specialist. Marine Advisory Program,Virginia Institute of Marine Science. College of William and Mary,P O Box 1346,Gloucester Point VA 23062. 804 684 7166,susanna vims edu,Lewis Gillingham Director. Virginia Saltwater Fishing Tournament,Virginia Marine Resources Commission. 2600 Washington Ave Third Floor,Newport News VA 23607. 757 247 8013,Recaptured Fish Reporting,757 491 5160. Lewis Gillingham mrc virginia gov,VIMS Marine Resource Report No 2012 3. For the most recent version of this publication see. http www vims edu vgftp,acknowledgements, The idea for the Virginia Game Fish Tagging Program VGFTP was that of. Mr Claude Bain III former director of the Virginia Saltwater Fishing Tour. nament VSFT under the Virginia Marine Resources Commission. VMRC Mr Bain approached Mr Jon Lucy at the Virginia Institute of. Marine Science VIMS during the late 1980 s about developing a tagging. project on red drum, Bain and Lucy realized not only were critical habitat and seasonal move. ment data sparse for red drum in state waters the same situation existed for. a number of other marine recreational species i e black drum cobia. speckled trout and tautog Therefore they decided to explore developing a. multi species angler assisted tagging program As a result the Game Fish. Tagging Program started in 1995 primarily funded from Virginia saltwater. fishing license funds and matching funds from VIMS. Mr Lewis Gillingham is the current VSFT Director and manages the. VMRC portion of the tagging program Ann Burnett also of the VSFT de. serves special recognition for her exemplary work data management and. guidance all of which keep the program on track Also from the VMRC. Mr Todd Sperling has updated the program s database into a more efficient. 2011 TOP TAGGERS, format He maintains the database while fine tuning it for changing data. analyses and output needs Some of the top taggers of 2011 Front. left to right Donnie Smith Jim Robinson, Ms Susanna Musick Marine Recreation Specialist in the Marine Advisory Carl Stover Back left to right Susanna. Program at VIMS is the P I for the tagging program Also at VIMS Ms Musick VIMS Wayne Rowe Sheldon. Dianne Roberts provides critical assistance to the tagging program assisting Arey Ed Shepherd Lewis Gillingham. with tag orders assignment and distribution of tags and preparation for VSFT Will Sweatt VASG. workshops Ms Cheryl Teagle coordinates purchasing tags while helping. manage the tagging program budget VIMS Publications provides critical. assistance in preparation of posters and annual reports The VIMS Game. Fish Tagging Program website is maintained by Ms Lee Larkin and Ms. Lisa Lawrence Ms Silvia Motley in the Publications Center handles print. ing production of annual reports Ms Janet Krenn of Virginia Sea Grant. also provides communication support for special events and publications. The Game Fish Tagging Program is a team effort by many critical players most importantly the anglers who devote significant. time and effort to tagging target fish and reporting fish recaptures. Cover photo credit George Wojcik tagged speckled trout. table of contents,Introduction 9,Target Species 2000 2011 10. Program Objectives 10,Database Improvements 11,Program Responsibilities 11. 2011 Accomplishments Tagging Effort and Recaptured Fish Results 12. Special Flounder Double Tagging Effort Assisting VIMS Research Project 13. Addressing Challenges 13, Special Database Benefits to Researchers and Fishery Managers 2010 2011 13. Result Highlights by Species 2011 14,Black Drum 14. Black Sea Bass 14,Flounder 14,Red Drum 15,Sheepshead 15. Spadefish 15,Speckled Trout 15,Gray Triggerfish 16. Conclusion 16,Tables 1 7 18,Figures 1 30 28,Appendices A B C 49. list of tables, Table 1 Virginia Game Fish Tagging Program Annual Tagging Awards 2008 2011. Table 2 Virginia Game Fish Tagging Program Annual Tagging Awards 2011 Winner Runner. Table 3 Taggers Awarded Conservation Certificates for Tagging 25 or more Fish during 2011 by. total tag count, Table 4 Taggers Having 5 or More Fish Recaptured during 2011 by total recaptures. Table 5 Tagged and Recaptured Fish by Species and Year 1995 2011. Table 6 Total Number of Tags and Recapture Rates 2011. Table 7 Total Number of Tagged and Recaptured Flounder VIMS Study 2011. list of figures,Figure 1a Top Black Drum Tagging Sites. Figure 1b Top Black Drum Recapture Sites,Figure 2 Tagged Black Drum Size Frequencies. Figure 3a Top Black Sea Bass Tagging Sites,Figure 3b Top Black Sea Bass Recapture Sites. Figure 4 Tagged Black Sea Bass Size Frequencies,Figure 5a Top Cobia Tagging Sites. Figure 5b Top Cobia Recapture Sites,Figure 6 Tagged Cobia Size Frequencies. Figure 7a Top Flounder Tagging Sites,Figure 7b Top Flounder Recapture Sites. Figure 8 Tagged Flounder Size Frequencies,Figure 9a Top Red Drum Tagging Sites. Figure 9b Top Red Drum Recapture Sites,Figure 10 Tagged Red Drum Size Frequencies. Figure 11 Top Sheepshead Tagging Sites,Figure 12 Tagged Sheepshead Size Frequencies. Figure 13 Top Spadefish Tagging Sites,Figure 14 Tagged Spadefish Size Frequencies. Figure 15a Top Speckled Trout Tagging Sites,Figure 15b Top Speckled Trout Recapture Sites. Figure 16 Tagged Speckled Trout Size Frequencies,list of figures continued. Figure 17a Top Tautog Tagging Sites,Figure 17b Top Tautog Recapture Sites. Figure 18 Tagged Tautog Size Frequencies,Figure 19 Top Triggerfish Tagging Sites. Figure 20 Tagged Triggerfish Size Frequencies,VIRGINIA GAME FISH TAGGING PROGRAM 2011. Introduction, Through 2011 the Virginia Game Fish Tagging Pro tag sticks tagging needles and constructing measur. gram has maintained a 17 year database of records ing boards Also included in the VIMS budget are. for tagged and recaptured fish The program is a co local travel costs and costs for presenting program. operative project of the Virginia Saltwater Fishing results at scientific meetings Several printed materi. Tournament under the Virginia Marine Resources als are also the responsibility of VIMS these include. Commission VMRC and the Virginia Institute of tagging training handouts waterproof tagging data. Marine Science VIMS of the College of William sheets and laminated posters alerting anglers to tar. and Mary under the VIMS Marine Advisory Pro get species and the telephone number for reporting. gram recaptured fish The design printing and publication. of annual reports also falls to VIMS including data. The primary goal of the program is to train and analysis and the publication and maintenance of dig. maintain an experienced group of anglers who are ital reports on the VIMS website. willing to volunteer their time and effort to properly. tag and release their fish catch Data on tagged and The Virginia Saltwater Fishing Tournament office. recaptured fish are summarized in annual reports and similarly submits a separate proposed budget This. are accessible on VIMS website http www vims edu budget predominantly covers expenses associated. vgftp Time series data are organized and provided with purchasing reward items for recaptures and. whenever requested by anglers angling groups re mailing such items with printed Fish Recapture Re. searchers and fishery managers ports to people phoning in tagged fish recapture in. formation Reporters of tagged fish choose among, Program participants are trained to tag only designat various reward options including custom T shirts. ed target species in Virginia waters Participation in caps sun visors pewter fish pins or plastic tackle. the program is capped at two hundred trained tag organizers as long as such items remain in stock. gers Supporting this number of taggers has been, manageable when meeting tag and tagging equip Recapture awards encourage diverse members of the. ment needs performing timely data entry and mail public including commercial fishermen seafood. ing of tag recapture reports and reward items to dealers etc to call in reports of tagged fish they en. anglers reporting catches of tagged fish counter The reward system and recapture reports. provide positive feedback to anglers and encourage. Funding for the program is applied for annually them to continue to participate in the program and. through a competitive proposal process under report future recaptures of tagged fish Direct associ. VMRC s Recreational Fishing Advisory Board The ation of angler taggers with others in the angling. program funding requires the Board s positive rec community enhances program awareness reminds. ommendation which then goes before the VMRC anglers and commercial fishers of the importance. Commissioners for final approval If funding is ap of reporting tagged fish and provides the angling. proved Virginia Saltwater Recreational Fishing Li community with positive fishery conservation role. cense Funds administered by VMRC primarily models The program succeeds because of good. cover budget needs with additional matching funds teamwork across the angling community. contributed by VIMS,The tagging program documents annual and year to. A cooperative but separate funding proposal from year movement and habitat utilization patterns of. that of the VSFT office is submitted annually to the selected finfish species in Virginia waters For cer. VMRC by VIMS The VIMS portion of the program tain species the program documents significant. focuses primarily on coordinating maintaining and coastal migrations Many of these species spawn in. purchasing all tags and tagging equipment tag guns the lower Bay or nearshore waters of Virginia and. use Virginia estuarine and coastal waters as nursery. and feeding grounds PROGRAM OBJECTIVES, The program s results are of interest to the angling. community and to fishery researchers and managers Basic objectives guide program activities There are. The number and size distribution of fishes tagged,five main objectives. each year compliment other research based data sets. and can help fishery managers gain a more compre 1 Develop and maintain a quality tagging pro. hensive picture of sizes of fish released in the state s gram using a corps of trained angler taggers tag. marine recreational fishery ging effort of these anglers should be directed to. target species especially where one can take ad, Tagging effort for flounder red and black drum vantage of significant numbers of non legal fishes. speckled trout cobia spadefish triggerfish and which anglers are readily discarding alive while. sheepshead primarily occurs in Bay and nearshore complying with recreational fishing regulations. coastal waters However tagging of tautog black, sea bass spadefish and gray triggerfish occurs over 2 Where and when appropriate direct pro. much broader areas of the Bay and inshore offshore gram tagging effort toward opportunistic occurrenc. waters Tagging for structure oriented species oc es of strong year classes of fishes in Virginia s Bay. curs on sites such as fishing piers artificial reefs and nearshore offshore waters especially species. the Chesapeake Bay Bridge Tunnel complex ship not traditionally subject to scientific tagging studies. wrecks and other bottom sites occurring from the in such waters i e red drum black drum speckled. lower Bay to sites offshore of Virginia trout tautog sheepshead spadefish etc The pro. gram does not target species currently monitored, Special tagging continues at warm water discharge and or targeted in state waters by research based. sites through cooperation with Virginia Dominion tagging studies coordinated by fishery research. Power Past tagging results at the Yorktown Power agencies and institutions in particular striped bass. Station York River and the Center for Energy, Conservation Power Station Elizabeth River have 3 Maintain a database of tagged and recap. helped to document these areas as important over tured fish records accessible to the angling commu. wintering sites for various species especially speck nity but also of use to fishery researchers and man. led trout and agers as the database matures Make summaries and. red drum reports of such data available to the angling commu. TARGET SPECIES nity through annual reports websites presentations. to angling clubs kids fishing clinics etc and pro, 2000 2011 vide requested data to researchers and fishery man. Target species for 2011 appear below Summer, flounder replaced gray trout weakfish in 2000 the 4 Use the tagging program to enhance edu. latest change to date cation of marine anglers about the importance of. reporting tagged fishes to appropriate organizations. Black Drum Pogonias cromis agencies and research institutions to enhance under. Black Sea Bass Centropristis striata,standing and management of key fishery stocks im. Cobia Rachycentron canadum portant to Virginia s marine recreational fisheries. Summer Flounder Paralichthys dentatus, Red Drum Sciaenops ocellatus 5 Use program results to educate the an. Sheepshead Archosargus probatocephalus gling community about fishery conservation and. Spadefish Chaetodipterus faber management benefits directly connected with proper. Speckled Trout Cynoscion nebulosus,handling and releasing of non legal fishes Tag. Tautog Tautoga onitis recapture data prove that using proper catch and re. Gray Triggerfish Balistes capriscus lease fishing practices results in better angling. catches both short term and long term,The program maintains a group of experienced. Details of Program Responsibilities, trained angler taggers who can capitalize on oppor. tunities to tag key species that often exhibit high. abundance levels during a given fishing season In addition to handling the majority of data entry. These events contribute to rebuilding and sustaining the VA Saltwater Fishing Tournament office distrib. specific fisheries in Virginia s one billion dollar rec utes tags needles etc These items are regularly. reational fishery and take on even greater value mailed to taggers and records are maintained regard. when this program documents sizes and abundance ing tag number series assigned to the participants. of recreationally targeted fish and the habitats they This information is important for tracking down late. utilize tagged fish data reports for reported recaptures. Similarly Fish Recapture Reports generated from, the database are mailed to both the tagger and the. angler reporting the recapture along with the avail. Database Improvements able reward item This timely feedback loop is. critical to the success of the tagging program, As in previous years Mr Todd Sperling s VMRC Every tag clearly states that a REWARD is of. skills are indispensable for managing the program s fered for reporting recaptures of tagged fishes Ap. data files Since 2009 data are quarantined whenev propriate reward items program caps sun visors t. er a recaptured fish species does not match that of shirts fish pins etc are mailed to anglers and. the tagged fish such records are linked by their spe commercial fishers and fish dealers reporting tags. cific fish tag number This feature allows the re by the VSFT office along with fish Recapture Re. view of such data inconsistencies which may be the ports The most popular reward item is the t shirt. result of various issues i e recaptured fish tag which must be printed in limited numbers each year. numbers being misread and thereby reported incor to stay within budget Typically late in the fishing. rectly a recapture angler s recall mistake regarding year the t shirt supply becomes exhausted Then. the species of tagged fish they caught etc Such re other reward items are substituted for it most re. porting irregularities seem to occur most frequently porters of recaptured fish understand such issues. at fishing piers and other heavily fished shoreline. locations see Challenges section The majority of data for both tagged and recaptured. fishes are entered into the database at the VSFT of. Other cases may include negative days at large for fice the data go directly into the database main. recaptured fish i e when a tagged fish s reported tained on a server at the VMRC The VMRC data. recapture date is earlier than the reported recapture base manager is proactive in contributing to the im. date Also if a recaptured fish s size is significantly provement of tagged and recaptured fish data and. different from what would be expected this may outputs Current options include setting up various. suggest either the person reporting the recapture reports that provide single click data summaries. badly estimated the fish s length or the recaptured. for review and tracking program results,fish s tag number was reported incorrectly etc. such issues can then be investigated and hopefully. clarified These recapture data issues more often VIMS continues to serve as a remote site for enter. occur on reports called into the office and left on ing tagged and recaptured fishes data for selected. voice mail outside of regular office hours program participants To relieve some of the work. load from the VSFT office VIMS Dianne Roberts,enters all data for the program s most productive. tagger Mr Ed Shepherd From 2007 2011 Mr,Shepherd has tagged 2 000 4 000 fish annually. 3 434 in 2011 Table 1 which resulted in 550 900,recapture reports each year Ms Roberts also pro. vides critical feedback to the program regarding da 21 422 recapture records Table 6 Note VGFTP. ta organization tagging inventory workshop mate data referenced here include summaries of fish. rials and dissemination preparation tagged and recaptured in terms of the number of fish. recaptured Table 5 and the cumulative number of, At VIMS tagged fish and recapture data records are recaptures including multiple recaptures of the. also checked for possible inconsistencies and errors same fish Table 6. the corrected data then are analyzed and formatted. for various presentations and reports Figures During 2011 more than 110 trained anglers tagged. demonstrating fish movement and habitat use pat fish In February Top Tagger awards were pre. terns are also developed for a variety of educational sented in Hampton at Bass Pro Shops Spring Fish. programs VIMS Marine Science Day kids fishing ing Classic seminar series The Tagging Program is. clinics science teachers and public presentations fortunate to have a consistent group of anglers dedi. Data and graphics also are developed in different cating volunteer effort into tagging considerable. formats for various program dissemination needs numbers of fish that result in useful recapture data. i e VIMS website pages annual tagging training The 2011 top taggers were responsible for 98 per. workshops posters annual reports and presentations cent of tagged and recaptured fish data last year. angling clubs civic groups and scientific meet, The good natured competition for the annual awards. ings Tag and program equipment orders including encourages taggers to work at becoming more con. the construction of fish measuring boards are han sistent in their tagging By doing so they have a. dled by VIMS chance at making the list of annual award winners. for any given year, VIMS also periodically conducts tag retention field. trials to evaluate whether changes might be warrant Trained anglers tagging accomplishments appear in. ed regarding the type of tag used for a specific spe Table 3 by number of tagged fish Seventy seven. cies Depending on the size range of fish certain anglers tagged 25 or more fish during 2011 which. tags are more appropriate for small fish specimens accounted for about 98 percent of all fishes tagged. like the 2 5 in T bar tag versus large fish plastic in the year This participation level is slightly higher. and stainless steel dart tags For target species than 2010 These anglers consistent efforts produce. larger than 26 28 inches total length the program the majority of data on local and regional habitat use. recommends using a 6 25 in stainless steel dart tag and movement patterns of target species. with wire core sheath, Top ranking anglers by total recaptures during 2011. Since 2008 select taggers have been testing dogleg appear in Table 4 The majority 95 of recaptures. dart tags DD tags and wide anchor dart tags DW reported during the year were accounted for by the. tags for improved retention in speckled trout and 39 taggers listed As expected anglers tagging the. red drum Tag retention studies continued in 2011 most fish often have the highest number of recap. for these plastic dart tags to examine patterns of tures per year Higher numbers of recaptures are as. times at large versus T bar tags Recapture rates sociated with a number of variables including fish. and times at large are being examined to determine ing and tagging frequently organizing one s tags. if distinctive patterns result from the DD and DW and data sheets to enhance tagging efficiency and. tags tagging at locations which hold individual fish for. significant periods and which are fished frequently. by other anglers, 2011 ACCOMPLISHMENTS The range of fishing tagging areas covered by. VGFTP taggers is important to keeping the program, Tagging Effort and Recaptured Fish Results data relevant to target species dynamics including. year to year abundance habitat use and seasonal,migration patterns However also important are a. Through 2011 the program s database included smaller number of taggers who routinely push them. over 191 160 tagged fish records and approximately selves to even higher tagging goals 200 900 fish. per year The teamwork and cumulative data re tures of such fish also put unprecedented stress on. sulting from taggers at each tagging effort level the VMRC office staff Working to improve the. keep the program responsive to changes in Virgin situation program coordinators sent out letters in. ia s recreational fishery early May 2010 to all taggers requesting they use a. minimum fish size limit when tagging flounder,only fish 12 inches or larger and black sea bass. Special Flounder Effort VIMS Project only fish 6 5 inches and larger This approach re. duced total numbers of multiple recaptures for both. species during 2010 and 2011 and made program, A select group of program taggers who volunteered management and reward distribution more manage. to assist a special VIMS flounder research project able. deserve special recognition These individuals, helped VIMS collect data on T bar tag loss rates by. double tagging some of their captured flounder The Special Database Benefits for. group included Ed Shepherd Yorktown Scott, Vinson Williamsburg Jay Duell Smithfield Lee Management Research. Hughes Virginia Beach Jim Leiffer Gloucester,Dorothy Elliott Wachapreague and Mike Hand. forth Chincoteague These anglers were selected, for their expertise with flounder they double tagged Use of the VGFTP as a source of data by recreation. fish from a mix of fishing locations ranging from al fisheries managers has grown. fishing piers to other favorite flounder fishing sites Cobia The VGFTP data were included in the 2011. in the lower bay Their individual tag and recapture 2012 South East Data Assessment and Review for. data for the flounder tag loss study are included in cobia where recapture data were examined for pat. Table 7 Note these data are not included in the terns in long term migration and habitat use. previous overall tag and recapture totals,Tautog VIMS analyzed VGFTP tautog data for the. 2011 Atlantic States Marine Fisheries Commission,compliance report Tag and return data and recap. Addressing Challenges,ture rates were included for review. Flounder In 2011 VIMS engaged with the VMRC, Taggers generally encourage other anglers catching to work with taggers to collect whole catch data for. an undersized tagged fish to consider writing down flounder Also A VIMS Ph D student Mark Hen. the tag number or keying the tag number into their derson advisor Dr Mary Fabrizio VIMS Dept of. cell phone Then the angler can report the recap Fisheries Science is using the program s 2000. tured fish when fishing slows or at the end of the 2011 flounder tag recapture data as part of his. fishing day Such releases provide a chance that the broader study of the dynamics of seasonal move. tagged fish might be recaptured again during the ment of the species between lower Chesapeake Bay. fishing season Multiple recaptures of specific fish and offshore waters He is also developing a stock. often occur at fishing piers or other popular struc assessment model that may enable him to derive an. ture sites proven to hold fish for significant periods estimate of fishing mortality associated with Virgin. often the case with flounder black sea bass tautog ia s bay and Eastern Shore recreational fishery A. spadefish and triggerfish part of the research project focuses on double tag. ging of flounder during the 2009 2011 fishing sea, However during 2009 multiple recaptures of floun son by VGFTP taggers p 13 using both Petersen. der and black sea bass especially at several fishing disc tags and the program s T bar tags This infor. piers significantly strained the program s supply of mation will be important both for the tagging pro. merchandise rewards limited by the program s gram and for the research project. budget The increase in single and multiple recap,and show up as 0 on the chart Although Fort. SPECIES RESULTS Monroe has been the top recapture site in the past. 1997 2010 43 of top ten sites the 2011 results, 2011 and Overall show much higher effort there Tagged black sea. bass ranged in size from 5 18 inches TL with 6 5, Black Drum inch fish at the peak n 1 111 Fig 4 These re. sults differ from the overall program pattern seen. In 2011 204 black drum were tagged of which 84,from 1997 2010 when peak effort occurred at 9. were adult fish 16 52 inches TL As in previous,inches TL n 2 106 and the size frequencies were. years 2011 drum recaptures were low n 10 The,more normally distributed. recapture rate for fish recaptured in 2011 was ap,proximately 4 7 an increase from 2010 2 4. From 1995 2011 more than 3 440 black drum were Cobia. tagged and 182 recaptures were reported Tables 5 In 2011 158 cobia were tagged of which 150 were. 6 for an overall recapture rate of 5 3 Most adult fish 24 62 inches TL The recapture rate for. black drum were tagged at the Elizabeth River Hot cobia was 5 1 a decrease from 2010 13 9. Ditch this site made up 24 of the top ten tagging The total number of cobia tagged from 1995 2011. sites Fig 1a Note All top tagging recapture site was 1 352 fish with 191 recapture reports Table 6. figures discussed in species results describe the pro Cobia had an overall recapture rate of 12 7 for the. portion of tags recaptures at the top ten sites not past 17 years The most popular tagging location in. the overall proportion of all tagging recapture 2011 was the Baltimore Channel Buoy Line 24. sites This differs from past overall patterns 1995 of top ten followed closely by York Spit 22 of. 2010 where the peak tagging site was Inner Middle top ten Fig 5a From 1995 2010 the top tagging. Ground Shoal 26 of top ten sites Most black sites were the Inner Middle Ground Shoal 25 of. drum were recaptured at the York River Hot Ditch top ten and lower York River 24 though the. 37 of top ten recapture sites Fig 1b This is Baltimore Channel was third Recaptures were. similar to previous years as the York River Hot equally divided among the following sites Balti. Ditch was one of two top recapture sites made up more Channel Buoy Line Cape Lookout N C. 31 of the top ten along with Onancock Creek Chesapeake Bay Bridge Tunnel Fourth Island Lati. 1995 2010 Tagged black drum ranged from 5 76 mer Shoal RN 16 Buoy and Plantation Light Fig. 51 5 inches TL with a peak tagging effort at 9 inch 5b These sites have all been prevalent recapture. es TL n 16 Fig 2 These size frequencies were locations in the past though Inner Middle Ground. similar to patterns in previous years Shoal was the top tagging site from 1995 2010. Tagged cobia ranged in size from 13 61 5 inches, Black Sea Bass TL with 36 inches n 9 being the peak length Fig. 6 This is similar to tagging size frequencies from. Just over 1590 black sea bass were tagged in 2011,1995 2010 where peak effort occurred at 34 inches. To manage program resources better a minimum, tagging size limit of 6 5 inches was implemented in. 2010 Even with this size limit in place black sea, bass had the highest species recapture rate in 2011 Flounder. at 30 3 Table 6 VGFTP flounder show consistent patterns of re. cruitment within the Chesapeake Bay From 2007,Black sea bass long term results 1997 2011 show. 2011 the majority of flounder were tagged and re,more than 25 356 fish tagged and 4 709 recapture. captured in Virginia waters Minimum tagging size,records overall recapture rate 18 6 Tables 5 6. limit restrictions were set in 2010 to better manage. The top tagging site was Fort Monroe which made,program activities data entry and rewards This. up 74 of the top ten tagging sites Fig 3a Fort, decision helped to verify that the majority of single. Monroe was also at the top of the list for tagging for. and multiple recaptures at piers and other structure. black sea bass from 1997 2010 Ninety one percent,sites were composed of primarily smaller fish 12. of recaptures took place at Fort Monroe Fig 3b,in The Gloucester Point Fishing Pier was the top. Note some sites made up 1 of the top ten sites,tagging site for the program 2007 2010 and simi. lar site fidelity patterns for recaptures have been. seen at the Hampton Roads Bridge Tunnel complex Sheepshead. Ocean View Fishing Pier Fort Monroe Fishing Pier Compared to 2010 tagged fish numbers were lower. and Rudee Inlet waters In 2011 approximately 18 fish Table 5 No recaptures were reported. 2 684 flounder were tagged and 190 were recap Table 6 The top tagging site in 2011 was Long. tured Table 5 From 2000 2011 more than 70 164 Creek 39 of top ten Fig 11 This differs from. flounder have been tagged and 7 437 recaptures 2000 2010 results where the York River Hot Ditch. have been reported Table 6 with an overall recap,was the top tagging location 44 of top ten. ture rate of 10 6 The top tagging sites in 2011, were the Gloucester Point Fishing Pier 17 of the Tagged sheepshead ranged in size from 8 5 26 5. top ten and the Hampton Roads Bridge Tunnel inches TL with peak effort at 8 5 and 9 inches TL. 16 of top ten Fig 7a These two sites were also Fig 12 This pattern differed from 2000 2010 size. the top two tagging locations for summer flounder frequencies where peak effort occurred at the 6 inch. from 2000 2010 The top recapture location was size class n 89. Rudee Inlet in 2011 Fig 7b This location was, also one of the top sites second for recaptures from Spadefish. 2000 2010 though the Gloucester Point Fishing There were 28 spadefish tagged in 2011 and 2 re. Pier had the most recaptures 29 Tagged floun captured Table 5 There were over 5 351 spadefish. der varied in size from 7 5 22 5 inches TL with the tagged over the past 16 years 562 recaptures were. peak size for tagging at 12 inches TL n 362 Fig reported during this time for an overall recapture. 8 this is also the size where tagging effort peaked rate of 10 5 Table 6 The top tagging sites were. from 2000 2010 the Chesapeake Bay Bridge Tunnel Third Island. Thimble Shoals Light and Wolf Trap Light each, Red drum made up 18 of top ten tagging sites Fig 13. These differed from the 1995 2010 results as the, From 1998 2011 500 red drum have been tagged Chesapeake Light Tower was the top tagging site. each year in Virginia except 2001 n 295 In 49 of top ten There were only two spadefish. 2011 1 219 red drum were tagged and 264 were recaptures in 2011 both of which were at Wolf Trap. recaptured Table 5 Light This differs from 1995 2010 data where. From 1995 2011 more than 28 635 red drum were York Spit Light was the top recapture site Tagged. tagged and 3 269 recapture records were reported spadefish ranged in size from 7 25 17 inches TL. for an overall recapture rate of 11 4 Table 6 The with peak effort at 11 inches TL n 6 Fig 14 All. top tagging sites in 2011 were the Elizabeth River of the tagged spadefish were within the mature size. Hot Ditch Chesapeake Energy CE site 42 of top range 4 in TL though peak effort in 2011 was. ten and the main Elizabeth River Hot Ditch 37 at a smaller size than 1995 2010 13 inches TL. of top ten Fig 9a Tagging effort increased in n 281. 2011 at the CE site compared to 1995 2010 when, the York River Hot Ditch was the top tagging site Speckled trout. 29 of the top ten The top recapture location Strong year classes of speckled trout in the recrea. was the main Elizabeth River Hot Ditch 47 of top tional fishery were documented by tagging efforts in. ten followed by the CE site 31 Fig 9b Again,1995 1999 2002 2004 2010 Like sub adult drum. from 1995 2010 the York River Hot Ditch was the speckled trout overwinter in lower Bay power plants. top recapture site 29 of top ten but the main during the winter From November 2009 March. Elizabeth River Hot Ditch was second 25 In 2010 and November 2010 March 2011 good num. 2011 tagged red drum ranged in size from 11 5 54 bers of 13 24 inch speckled trout including several. inches TL with the peak size for tagging 18 inches citations in early 2011 were tagged at the Elizabeth. TL n 78 Fig 10 The majority of tagged red, River Hot Ditch There was also a particularly large. drum were juveniles 30 in TL Peak effort in YOY class appearing in late summer and early fall. 2011 took place at a slightly larger size than 1995 2011 For the second time speckled trout led the. 2010 15 inches TL n 2 257 program in numbers of tagged fish 12 723 and.
understanding of the acoustic signature of such exhaust flows. The objectives of this paper are to (1) quantify the noise levels of drag generating swirling exhaust flows, (2) identify noise mechanisms and dissect source locations in such flows, and (3) establish scaling laws and the relation between swirl, drag and radiated sound power. The ...
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