DTIC ADA430443: Aquatic Plant Assessments for Spring Creek Low-Dose Fluridone Injection Treatment. Year-of-Treatment and 2-Year Post-Treatment Findings

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by  Defense Technical Information Center

US Army Corps
of Engineers,
Engineer Research and
Development Center

ERDC/EL TR-05-1

Aquatic Plant Contro! Research Program

Aquatic Plant Assessments for Spring Creek
Low-Dose Fluridone Injection Treatment
‘Year-of- Treatment and 2-Year Post-Treatment Findings

R. Michael Stewart, Adam S. Way, Chotta 8. Owens, Jantary 2005
and Donald M. Mergan

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Aquatic Plant Control ERDGIELTR.O5-1
Research Program January 2008

Aquatic Plant Assessments for Spring Creek
Low-Dose Fluridone Injection Treatment
Yaar-of-Treatment and 2-Year Post-Treatmant Findings

R. Michael Stewart
Environmental Laboratory

U.S. Amy Engineer Research and Developer Center
3909 Halls Fery Road

Vicksburg, MS 39180-8199

Adam 8. Way

DynTel- Lewiswila Aquatic Ecoaystem Rescarch Facitly
201 B, Jones Sreet
Lewisvite, 1275087

Ghetts $. Owens

ASI—Lewiovilie Aquatic Eeosystom Research Facitiy
201 E. vanes Streat
Lewiavile, TX 75057

Donald bl. Morgan

US, Amy Comps of Engineers
Mobite Distnct. Lake Seminole Project Office
2282 Booster Club Road

‘Chatahoachos, FL 32974

Final report

Aspro for publi relent I uri

Preparadtor U.S. Anmy Cores of Engineers
Washington, DC 20314-1600

iostoree by Environmental Laboratory
ULS. Amy Enginewr Researe) and Development Center
3808 Halle Farry Road, Vicksburg. MS 39180-6199
ABSTRACT:

| ake Seminule was impannied in 1957 and hydeila ws dscovered inthe 298s. By 1992,
lero imiely 75 percent ofthe surive cea ofthe rescrenir wus impcciel by hyd-iDs. This dy vas
contin tn deternine effectiveness of ls dove tlurdow: treatments inthe Sing Creck Arm uf Lake
Seminole, Pre- and post-eqpatie plan surveys uxing poiu- resco, plant bicmmuss und bydruaceustic
tecbniques wer cordacte to assess tecnent S0ecess year 2000, prereatoent surveys found Syd
ceurted between 71.4 ep 100 percent a a Spring rook ites. Hy year 2002, inthe upper regions ut
Spring eck, hy had been replaced ay several native aqueti plat spies including pondvreeds,
trusts aids, al coorsal. In Ue ower zegions,hydila wuss the bust Feqtenty observed
‘plul bowrover,severa: native planlt inching caonail. musky, nslads, ané pondwcct bad inzeased
fn fequency ay cunguod 1 year 2000 whem the prorealmert snrveys were conduct

‘DISCLAIMER Ibe ralvas af this port are oot a be woe fv aveniaing, auton, ox promtiwal pues.
{Gini e wate mes dace ot cuastnte at fsa endonsetea or appeal ult ase of ch cranes produc
[ni notust nach aod irideau¥e etre to ropeny of els esate ners. The fg of lis ep ate noe
fo se canerued sao oil Deparment of fe Any pion ures so designated by lhe bie Anew,
Contents

Prefave
1 Tainxduction.

Paokgroued o os
Calendat Yeats 20H, 2601, aad 2003 Fhuidone Treatment Plan
2000.
damn
dona.

Stuly Oijostves
2—Methods

Poiat-Turereone
Plant Biomass
Hydroucouslc.
SAVEWS deception,
Gener! plan
3—Resmts,
oint-Anereept
Species Ii.
Trequency of neenmnce of individvat speeres
Freqreney ef aecurence of plant groups.
Summarized ndings
Species Riche
Plant Biomass
Hiydvilla Tuber:
Hidroucouslie Savers

Summary of Findings
Reference
SF 208
List of Figures

Figare F Clune of four sampling reyions Repivu FY) of Spring
(eked for eon quate sey fr aa pis
{in Years 2000 wad 2002. reid
Figure. Point ivercept sampling ‘ocatoas fo Region 1 (A) approximate
Tocal:one af points preselected by 210 m % 700 me ged vverays
(&) sora! locations of poine sampled doriag Yeas 2000 survey...
Figare 3. Poineintercopt sampling ‘actions Cor Region I: (A)
apprusiete Yoatinna nf pols preselected by 290 mo * 200 m
grid ovetlay: (Bp acnual lations of pols sompled during Year
500 survey .
Tignte 4, Pointintercept sampling locations for Reelon Il (A)
appronimate secations of points poscletel by 200 m9 200m
id overly (8) sta 1oemios of pin spe ng You
2000 sarsey i 8
Figure S. —Poineinlescopt sampling lecutions for Region 1V: (8)
sppensimaze ceations of points proscTectou By 200 * 200m»
rid overlay (Rp semi locations of posts sampled dusing Year
Soon sarvey. °
Point ietenep sampling luctioas for Region I: (A) appmoxieate
Joeatinns af points preselected by 200:m* 200m grid averiny,
(@) acualloeacons of poins sampled during Year 2002 survey... 30
Jigare 7, Toint-ntorcept sampling lacarions for Revium I: (A)
approwimate wations of points prose’ected by 200 m x 260m
age ova: 8) sma lato poi sa. ding se
2002 survey. revise TT
‘Byun & Point-intoreep sampling locations for Reyium I: (A)
spproximie locations of poine pres eted by 200 m x 200m
sg overlay (B)nctual loculios of paints samocee during Year
3an2 survey .
igure, Pointntersop sampling lacaions fer Region IV: (8)
approxima’ locations of pointe areselested hy 200 ma 200 m
xi overlay, (1) act eestioeg of points seated during Vear
BOE SUEY nr i}

Figs U0, lasttation of approximate Ioatior of main navigation canacl
ttansoe sured in Spring. Creek with SAVEWS dnving May
aznd Septemher 2061, Numerical Ibels represen distances :long
the eranset from the Highway 253 bridge. Distace labels are
‘disonmtinged ilar approximate sudern bonndary of Region HT 1S
Pye LL

Figure 12,

Figure 13,

Wire 14

igure 18

Figure £6.

Figire 17

Figure 8.

Figue 19,

Summary outputs csleulated from SAWIEWS surveys fore
Spring Creck navigation cuannc! durin My 2000 (A) and
September 2002 (B), Grp depict the creak bottom and tie
tng of vegeution along the uavigucon channel at diferent
distances (0-100) yn) foe the Hiway’ 283 Bridge.
Sueanery ouput caleaated om S4VEWS surveys or the
Spring Ctock navigation chante during May 2000 (8) nad
Septembur 2002). Grogs depict the creek bottom and the
tops af vegetocon along the nusigation duane! a dtixent
stanoes(1,000-9,000 mi Srom the ighviny 253 Rridge
Summnagy ovis ealoulate rom SAVES surveys fort
Spring Cresk navigation chaasel during May 2000 (A) and
September 2002 (B). Graphs depiorthe crocs butlow ad the
tops of vegetation slong the nevigation chumel diferent
dates (2.090-3,000 m) from the Tibway 258 Pridge
Suunmary omeputs culated from $AWKWS surveys [ov Ihe
Spring Creck navigron chanel during May 2000 (A) and
September 2002 (B), G-aphe depict the creek bottom and the
tpn of vegeatin along the naviguive channel st different
sEstances (3,000 4,00 mi rom the [bay 253 Bridge.
Sutunnry cepts calculated fom SAVEWS surveys fur the
Spring Creek navigalioa cham! during My 2000 (A) ant
September 2002 (), Grophs depict he erek bottom and che
ups of vegetation ang the wavigaon channel a different
Aistarnes (4000-5000 e) foun the Highoeay 253 Bridge
‘Summary guts calculated Atom S4VEWS sunveys fr the
Spring Creek navigation channolcuriug May 2000 (§} nd
Sepleber 2002 (9). raph epithe eck beta and the
tops of vegearion emg the musigation chanel at different
Sitances (1H-6,000 ax) Lom the Higaveay 253 Bride
Summary wits calgotoned from SAVEWS surveys forthe
Spving Crock navigatim chanel dite May 2000 (4) and
September 2102 (Bp, Graphs depictahs ere bullow sad Ue
tos of vegelation along he navigation channel at ditfsreat
stances (6,000-7,000 ra) teom the lighway 258 Pride.
Snurnity ovens coloulated Eu SAVRWS surveys for bbe
Spring Creek naygation cae! éuring May 2000 (A) at
September 2002 (D), Graphs depict he eek betlom and the
tops of vegetation slong the navigation chunrel at different
states (7.000-8,010 m) Gu Ue Tighveay 253 Pde.
Smmmnarysusputs calculated from SAVFWS sarveys forthe
Spring Cro navigation channsl during My 2000 (A) and
Sperber 2002 (B) Graphs depict le creek bottom and eho
taps uf vegetuion along the navigation channel at sifcont
Aslances (K-9,000 a) from the Highoeny 253 Bride

30

aL

8
vi

igus 21

Figure 21.

igure 22

Figure 23.

Figare 24.

Figure 25

Figure 26.

igure 27.

igure 28.

Summany outputs calculated frou SAVEWS surveys forthe
Spring Crk navigation esbael dring May 2000 (A) und
September 2002 (B). Graphs dept eke creek bouoan an the
tops of vegetation along the navigation chaunel at differant
«stuns (,00¢- HO") Fro the Highsrny 253 Brive
Sonmary output calculated from SAVEWS surveys forthe
Spring Crock navigation channel during Muy 2000 (8) and
September 2002 (B), Graphs depict the creek Botioun an the
tops af vegetation along the navigation channel at

stances (5000-1 1,000 ra) rum the Highway 253 Bridge
Snminary ouput celeulaed from SAVEWS surveys forthe
Spring Crvek navigation channel during May 2000 (8) and
Septentbor 2092 ¢R). Graphs depict tic eres bortom and the
tops of wegetution along the wavigation channel at diferent
dligtances ([1,000-12,000 m) team the Highway 253 Bridge
Summary outs csleulatd tom SAVEWS surveys or He
Spring Creek navigation charnel durine May 2000 (A) an
Sequenaber 2002 (B), Graphs depict the erook bom and the
laps of vegetation aking the navigation channel a ifferent
staves (12,00-13,000 mn} kom the Highwey 233 Bridge
Somunsey outputs celled from SAVRWS surveys fore
Spring Crock mvigation channel daring Muy 2000 (8) an
Seprember 2002 (B). Graphs dept the eroek bot and the
tops of vegetation along the mvigation channel at cifecen
<dptinces (15,0-14,000 ma} rom the Heghneey 283 Bridge
Summary aigats calculated trom SAVEWS surveys for ete
Spriug Crook navigation ctaeael during May 2000 (8) und
Sepeember 2002 (B), Graphs depier the week botlum abd she
tops of wogetation ako the navigation chan at ciferent
sistance (14.40- 15,000 ro re the HE ehway 253 Bri,

Sumatary oma culculted ftom $AVEWS surveys urbe
Spring Crock mavigsion channel dura May 2000 (A) and
September 2067 (B). Graphs dept the creck hottnm and the
tops of vegetation alo he navigation channel at dierent
fstancea (15,000- 16,000 m) fro the Hiebway 255 Bridge.
Sumauaty ours calculated Geum SAVEWS survoss for ibe
Spring Crook navige‘ou cane} during May 2000 (A) and
‘September 2002 (B). Graphs depict the creck bultxn acd the
tops of veyelation along the navigalion channel sr different
ixtances {16,000-17,U0U a) eat The Highsray 253 Bride
Sumupary ouput eulculased thom SAVEWS surveys for the
‘Spring Crock navigation channe? during May 200 (A) and
September 2002 (F). Graphs depict he crock bnttom ata the
tops of vegetation ulvow the navigation chav et ilTeveat
sistance (17,000+18,001 en) from the Highway 283 Bridge.

38

”

40
Figure 29

Higu 3.

Mkusration uf avezage plant heights calatated using SAVEWS
mvey results for M-meterincrexweals sore the Spice Crock
siglo chanel ring (A) May 270 a (2) See
2002 surveys

Iystration of the avenge percent ofthe water enlume necupied,
‘by vegetation fe plant height = wate: depth 110) wsiag
SAVEWS nurvey reels for 1-m incremeals along the Spring
Cook neviget haut ving (4) My 200 on)

September 2002 surveys e
List of Tables
Pak Speen Lin 2000 28 Agua Pat Srey or Sp

Greck, Like Serine. 7
Trble2, Regio I Plant Species Ovcuatonecs by Dute 2000 Aquatic

Plant Survey for Spring Crook, Lake Somiaote 19
‘able 3, Regie 1 Plant Species Qosurrencxs by Dale ~ 2008 Aquatic

Plant Sureey for Spring C-ock. Lake Scale eee)
‘Table’. Regio HI Plant Species Ocoattonces hy Date 2000 Aquatic

Plant Sorecy fer Spry Creek, lke Seminole 20
TableS, Region If Pleat Species Occurroncey by Dae — 2010 Ayuatic

Plant Survey fer Spring Crock Luce Sexinoe. 20
Table 6. RegiouTPhat Species Oecureuces by Dats ~ 2002 Aguatic

Plane Survey for Spring Cue, Lake Seminele... a
able? Ree Pll Species scares by Dats — 202 Saati

laot Survey fer Spring Creek, Lake Seminote vnieBl
‘rable 8, Region Il Pent Species Qecnrrnces hy Date 2002 Aquatic

lent Survey for Spring Cresk, Lake Seutizole 22
‘sble9, _Regoe IV Plan Spies Donan hy Date 244 Asti

Plant Survey for Spring Cree, Lace Sominnle 2
‘Table 10, Meon Spscies Richness Values for Four Diffeen, Pant

Grom in Cafe For Repo o Sing Cesk Dang

‘mn Plant Sucvey, 24
Table 11. Meen Species Richnest Values for Four Different Plt

‘Groupiugs in ach uf the Fast Regions of Spring Cree Dating

2002 Plant Survey 2
Tobe LP iomne Sine Satin by Rein JV) and De

20M) Aquatic Plaat Survey for Spring Cree, Lake Sominule w..25
“oble 13. Pht Biomass Summary Sass by Region (LTV) und De

Sep 2002 Aan Pa Sune fo Sag Ck, Lae

Seminole 26
Tele M.D Tuber Dey Summary Sit
Region and Survey Top.

¢ Spring Creve
Preface

—_—————

“The work reported herein ws conducted as out of tac Aquatie Part Curl
Aeveutch Progen (APCEP) and the US. Army Corps of F
Distiet, Lake Semisole Project Offico. The APCRE fs sparsore by
Headquarters, US. Anuy Coops of Engineers (HOUSACE), unl is assigned to
Ge US. Army Exginoer Research and Developreent Contr (ERDC) under the
poview ofthe Environmental Caburatry (EL), Viekrburg. MS. Funding was
provided uudee Deparmant uC be Ariay Appropriation Nusnber 96X3122,,
Coustvctinn General. Me. Robert C. Cunkel, Ie, EL, ERDC, wa Prognaa,
‘Manager for the APCRP, Program Munitor duving this rudy was Me. Timnothy R.
“Topliek, HQUSACE,

Principat Levestigator for his study was R. Mietuel Stew, Aquat
olay aud lavarive Species Beanch (AKISB), Ecosystem Evatsation and
‘Engineering Divisio (EEED), Fl, HRD. The ropart wos prepared 2y R.
Michiel Siewert, Adam, Way, DyaiTeh Fevisuille Aquatic Beorsstem
-Reseateh Frolity (LADRE). EL, ERD, Chella 8. Owons, ASI, CACRT, EL,
BRIG, and Donald M, organ, ACISB,EED, El, RDC, Late Senincle
Paxjet Oiice, This repost wis seed hy Mr Joe Sup and Mr, David
Honnell, University af Non Tesae, LAFF, EL, ERDC.

“his investigation was performed under the general supervision of
1 Fliabeth Pennie, Acting Dicseor, BL; Dr, Dave Tank. Chief, FEEDS: and
Dr. Al Coltanesseo, Chief, ALISD,

‘COL James R, Rowen, EN, was Commander and Txaoative Diteator of
[ERDC. Dr. lamer R, loastoa was Dieser.