F i l e : 40.3502 Eneas Lake E a s t ( N o r t h ) 40.3502 Eneas Lake S o u t h 40.3502 I s l a n d Lake 40.3502 Tsuh (Deer) Lake

MEMO TO FILE

R e : E n e a s Lakes I n v e n t o r y J u n e 1 9 , 20 and 21, 1989

I n t r o d u c t i o n :

An age- growth s t u d y and i n v e s t i g a t i o n o f spawning h a b i t a t was c o n d u c t e d a t Eneas Lake E a s t ( N o r t h ) , Eneas Lake S o u t h a n d Tsuh (Deer) Lake . Spawning h a b i t a t was i n v e s t i g a t e d a t I s l a n d Lake. The o b j e c t i v e was t o p r o v i d e f i s h growth a n d spawning h a b i t a t i n f o r m a t i o n t o a s s i s t i n d e v e l o p i n g a f u t u r e management s t r a t e g y .

Backqround

Eneas Lake E a s t , Eneas Lake Sou th , I s l a n d and Tsuh Lakes a r e p a r t of t h e Eneas Lakes P r o v i n c i a l P a r k . They a r e h i g h e l e v a t i o n (1524 m ) , low p r o d u c t i v i t y (T.D.S. r a n g e 82 t o 127 m g / l ) l a k e s l o c a t e d a p p r o x i m a t e l y 25 km n o r t h west o f Summerland. S e e t h e a t t a c h e d Lake S u r v e y F i e l d Record a n d Lake Management S h e e t s f o r p e r t i n e n t p h y s i c a l i n f o r m a t i o n . A l l l a k e s c o n t a i n o n l y r a inbow t r o u t .

Management o b j e c t i v e f o r t h e s e l a k e s i s t o p r o v i d e s m a l l t o m o d e r a t e s i z e r a i n b o w t r o u t (20 cm t o 30 c m a v e r a g e l e n g t h ) a t a h i g h CPUE (2 f i s h t o 4 f i s h / d a y ) . E x p e c t a t i o n s w i l l v a r y s l i g h t l y d e p e n d i n g on w h e t h e r t he l a k e is n a t u r a l l y p r o d u c e d o r h a t c h e r y s u p p l e m e n t e d . C o n t r o l on number of f i s h i s h i g h e r on a h a t c h e r y s u p p l e m e n t e d l a k e ; t h e r e f o r e t h e r e i s more c o n t r o l on t h e f i n a l p r o d u c t ( f i s h o u t ) . Eneas E a s t , Eneas S o u t h a n d Tsuh L a k e s a r e t o t a l l y s u p p o r t e d by n a t u r a l p r o d u c t i o n . Changes t o t h e l e v e l of n a t u r a l p r o d u c t i o n are d i f f i c u l t , p a r t i c u l a r l y r e d u c i n g a v a i l a b l e spawning a r e a . The f i s h e r i e s have m a i n t a i n e d t h e m s e l v e s s i n c e t h e i n t r o d u c t i o n o f r a inbow t r o u t . P r o t e c t i o n o f n a t u r a l t r o u t p o p u l a t i o n s i s a h i g h p r i o r i t y i n t h i s s u b- r e g i o n ; t h e r e f o r e spawning h a b i t a t h a s been , and w i l l c o n t i n u e t o be p r o t e c t e d and s t o c k i n g w i l l be a v o i d e d u n l e s s a n g l e r CPUE d r o p s t o an u n r e a s o n a b l y low l e v e l .

I s l a n d Lake i s t h e o n l y l a k e i n t h e p a r t t h a t h a s b e e n s t o c k e d r e g u l a r l y s i n c e i n i t i a l f i s h i n t r o d u c t i o n . S t o c k i n g h a s r a n g e d f rom 1 0 , 0 0 0 f i n g e r l i n g r a inbow t r o u t d u r i n g i n i t i a l s t o c k i n g t o 5 , 0 0 0 u p t o 1988 a n d 2 ,000 from 1988 t o p r e s e n t . S u p p l e m e n t a l s t o c k i n g was deemed n e c e s s a r y t o e n s u r e a d e s i r a b l e a n g l e r C.P. U .E . is m a i n t a i n e d . Growth i s e x p e c t e d t o be v e r y s l o w i n t h e s e l a k e s s o e x p e c t a t i o n s o f a q u a l i t y ( l a r g e f i s h ) f i s h e r y a re u n r e a l i s t i c . Any l a r g e t r o u t r e p o r t e d i n p a s t y e a r s a r e l i k e l y v e r y o l d f i s h .

T h e r e a r e no s p e c i a l r e g u l a t i o n s on these l a k e s . E n e a s P a r k Lakes r a t e h i g h on t h e r e g i o n a l l a k e s p r i o r i t y l i s t d u e t o modera t e a n g l i n g p r e s s u r e ( a p p r o x . 2 ,000 a n g l e r d a y s a n n u a l l y combined -

a e r i a l coun t e s t i m a t e : I s l a n d - 200; Tsuh - 1,000; Eneas E a s t - 600; Eneas Sou th - 200) h i g h a e s t h e t i c v a l u e , and p r e s e n c e of n a t u r a l l y p roduc ing rainbow t r o u t p o p u l a t i o n s ( p r i o r i t y 2 f o r s t o c k i n g and A- r a t i n g f o r management o b j e c t i v e ) .

See Lake Survey F i e l d Records f o r a d e s c r i p t i o n o f f a c i l i t i e s .

There i s no age-growth d a t a a v a i l a b l e from p r e v i o u s y e a r s .

Methods

S t a n d a r d d imension s i n k i n g monofilament g i l l n e t gangs were set i n Eneas East, Eneas South and Tsuh Lakes. See t h e a t t a c h e d F i s h Sample Records S h e e t s f o r i n f o r m a t i o n r e g a r d i n g n e t d imens ions , mesh s i z e , set d u r a t i o n and l o c a t i o n .

Length we igh t , s e x , m a t u r i t y and stomach c o n t e n t s were r e c o r d e d and s c a l e s t a k e n from a l l f i s h samples .

A l L p o t e n t i a l spawning s t r e a m s were walked and s p a w n i n g / r e a r i n g c a p a b i l i t y r e c o r d e d . . .-

S c a l e samples were p r o c e s s e d by photographing-fhem on a m i c r o f i c h e p r i n t e r . The s c a l e p r i n t s were t h e n aged a d - a n n u l i marked. Back c a l c u l a t e d l e n g t h s a t age a r e n o t a v a i l a b l e a t t h i s t i m e .

R e s u l t s

Rainbow t r o u t were c a p t u r e d i n e a c h of t h e l a k e s a s f o l l o w s :

Eneas E a s t - 50 ( 2 l a r g e spawners r e l e a s e d ) Eneas Sou th - 0 Tsuh -20 (16 a n g e r caugh t f i s h a l s o sampled)

See t h e a t t a c h e d F i s h Data S h e e t s f o r d e t a i l s .

A l l spawning i n Tsuh Lake o c c u r s i n t h e o u t l e t s t r e a m . A l l n a t u r a l p r o d u c t i o n f o r Eneas E a s t , Eneas South and I s l a n d o c c u r s i n t h e s t r e a m f l o w i n g between I s l a n d and Eneas South . S u i t a b l e h a b i t a t i s a v a i l a b l e i n t h e Eneas E a s t o u t l e t , b u t t h e dam p r e v e n t s f r y a c c e s s . See t h e a t t a c h e d Lake Survey F i e l d Records and St ream Survey Forms f o r d e t a i l s .

D i s c u s s i o n

P r o d u c t i v e c a p a b i l i t y f o r t h e s e l a k e s is p r e d i c t e d t o be low a c c o r d i n g t o e l e v a t i o n , TDS and modera te t o low d e n s i t y o f a q u a t i c v e g e t a t i o n . Depths and p e r c e n t a g e l i t t o r a l zone which v a r i e s from 75% i n Tsuh Lake t o 100% i n I s l a n d Lake, w i l l have a s i g n i f i c a n t impact on p r o d u c t i o n c a p a b i l i t y and may i n c r e a s e t h e p r e d i c t e d l e v e l t o a modera te v a l u e ( ie : b io- index o f 10-15 - I n d i c e s of P r o d u c t i v i t y i n B.C. Lakes by N o r t h c o t e and Lark in , 1 9 5 6 ) . A v a i l a b l e i n f o r m a t i o n i s i n s u f f i c i e n t t o d e t e r m i n e v a r i a t i o n s i n p r o d u c t i v e c a p a b i l i t y between t h e s e l a k e s . V a r i a t i o n s a r e l i k e l y i n s i g n i f i c a n t due t o p h y s i c a l s i m i l a r i t i e s .

Average l e n g t h a t age , sample s i z e , a v e r a g e l e n g t h a t c a p t u r e and c o n d i t i o n f a c t o r f o r e a c h l a k e i s l i s t e d be low.

Lake Name Average Length at Capture By Age (mm)

Avg . Length At Capture Condition (m) Factor

1+ N 2+ N 3+ N 4+ N 5+ N 6+ N 7+ N Eneas East - 0 227 3 313 10 279 13 330 11 314 7 343 3 299 1.08

Tsuh - 0 208 1 159 16 273 8 297 8 278 3 - 0 265 1.06

Both l a k e s d i s p l a y p o o r g rowth a c c o r d i n g t o l e n g t h a t c a p t u r e by a g e . S i x y e a r o l d f i s h a s s m a l l a s 246 mm i n Tsuh Lake and 250 mm i n Eneas E a s t were sampled . There a l s o a p p e a r s t o b e a n e x t r e m e l y l a r g e v a r i a t i o n i n l e n g t h a t e a c h a g e . An example o f t h i s i s a r a n g e o f 230 mrn t o 338 rnrn f o r age 3 Eneas E a s t Lake f i s h and 265 mm t o 343 mm f o r a g e 5 Tsuh Lak f i s h . T h i s v a r i a t i o n seems t o b e more p r e v a l e n t i n n a t u r a l l y p r o d u c i n g l a k e s w i t h low p r o d u c t i v e c a p a b i l i t y a s opposed t o s t o c k e d l a k e s .

G i l l n e t t i n g C.P.U.E. was modera t e (4 f i s h / s t a n d a r d g a n g / h r i n Eneas E a s t and 2 . 5 f i s h / s t a n d a r d g a n g / h r i n Tsuh) i n d i c a t i n g f i s h p o p u l a t i o n s i n b o t h l a k e s may b e below t h e l e v e l ( c a r r y i n g c a p a c i t y ) where g rowth i s n e g a t i v e l y effected ( d e n s i t y d e p e n d e n t r e s p o n s e ) . Slow g rowth i n t h e s e l a k e s i s l i k e l y t h e r e s u l t o f p h y s i c a l c o n s t r a i n t s w i t h i n l a k e env i ronmen t ( low p r o d u c t i v i t y ) .

C o n d i t i o n f a c t o r i s low f o r b o t h l a k e s compar i son t o o t h e r l a k e s w i t h t h i s i n f o r m a t i o n a v a i l a b l e , b u t i s p r e d i c t a b l e c o n s i d e r i n g t h e low p r o d u c t i o n p o t e n t i a l and t h e s low growth r a t e . I n most c a s e s , t h e r e i s a c l o s e r e l a t i o n s h i p between g rowth ra te a n d c o n d i t i o n f a c t o r - f a s t e r t h e growth , h i g h e r t h e c o n d i t i o n f a c t o r .

Age s t r u c t u r e i n d i c a t e s n e i t h e r p o p u l a t i o n i s o v e r e x p l o i t e d . These l a k e s d i s p l a y t h e h i g h e s t p e r c e n t a g e a g e 4 a n d o l d e r f i s h r e c o r d e d i n t h i s s u b- r e g i o n . (71% Eneas E a s t and 44% Tsuh) . Eneas E a s t a l s o d i s p l a y s t h e o n l y a g e 7 f i s h r e c o r d e d f o r a s m a l l l a k e i n t h i s s u b- r e g i o n .

No c o n c l u s i o n s c a n be r e a c h e d c o n c e r n i n g t h e E n e a s S o u t h f i s h p o p u l a t i o n . The g i l l n e t set was v e r y s h o r t d u r a t i o n ( 2 h o u r s d a y t i m e ) and was o n l y 32 metres i n l e n g t h ( n o f i s h c a p t u r e d ) . The f i s h p o p u l a t i o n ( d e n s i t y and growth r a t e ) i s l i k e l y v e r y s imi la r

t o Eneas E a s t d u e t o t h e i r c l o s e p r o x i m i t y a n d d i r e c t c o n n e c t i o n which a l l o w s unimpeded s h o r t d i s t a n c e t r a v e l be tween l a k e s . Eneas E a s t a n d Eneas S o u t h a r e e s s e n t i a l l y the same l a k e w i t h a minor c o n s t r i c t i o n be tween them.

C u r s o r y o b s e r v a t i o n s a t I s l a n d Lake i n d i c a t e t h e l a k e may b e o v e r p o p u l a t e d . F i s h were e v i d e n t i n a l l a r e a s o f t h e l a k e , r i s i n g f o r c h i r o n o m i d s a n d e x h i b i t i n g spawning b e h a v i o u r a l o n g t h e s h o r e l i n e . A management r e p o r t by t h e M i n i s t r y o f P a r k s (see l a k e s f i l e ) recommended d i s c o n t i n u i n g s t o c k i n g . T h i s would a p p e a r t o be a good s t r a t e g y c o n s i d e r i n g t h e low a n g l i n g p r e s s u r e , a p p a r e n t h i g h d e n s i t y f i s h p o p u l a t i o n and d e s i r e t o m a i n t a i n n a t u r a l p o p u l a t i o n s .

A v a i l a b l e spawning h a b i t a t a p p e a r s a d e q u a t e t o m a i n t a i n t h e desired f i s h e r y o b j e c t i v e s on a l l f o u r l a k e s ; t h e r e f o r e , no s u p p l e m e n t e d s t o c k i n g o r s p e c i a l r e g u l a t i o n s a r e r e q u i r e d .

Recommendations

1. D i s c o n t i n u e s t o c k i n g i n I s l a n d Lake . 2 . P r o t e c t i o n o f s p a n i n g h a b i t a t s h o u l d c c n t i n u e a s a h i g h

p r i o r i t y . 3 . C u r r e n t management s t r a t e g i e s f o r Eneas E a s t , E n e a s S o u t h a n d

Tsuh Lakes s h o u l d be c o n t i n u e d . -

4. Conduct an age- growth s t u d y on I s l a n d Lake i n 1994 t o d e t e r m i n e e f fec t s of d i s c o n t i n u e d s t o c k i n g .

5 . Conduct a n age- growth s t u d y on r e m a i n i n g l a k e s i n c o n j u n c t i o n w i t h 4 . t o p r o v i d e u p d a t e d f i s h p o p u l a t i o n a n d g r o w t h i n f o r m a t i o n .

F i s h e r i e s B i o l o g i s t R e c r e a t i o n a l F i s h e r i e s

Management Program

~ ~ / p a / b a r

D a t e t y p e d : F e b r u a r y 1 6 , 1990

Photo /I1 - A e r i a l v iew o f Eneas Lake P a r k , Eneas Lake Eas t ( ~ o r t h ) on r i g h t fo reground ; Eneas Lake South on l e f t fo reground ; I s l a n d Lake on l e f t background; Tsuh ( ~ e e r ) Lake on r i g h t background.

Photo #2 - Eneas Lake E a s t (North) - look ing southwest

. -- -- --

Photo $73 - Eneas Lake Eas t (Nor th) o u t l e t

Photo #4 - Eneas Lake South - i n l e t v i s i b l e i n m i d d l e background

P h o t o - I n l e t t o Eneas South ( I s l a n d Lake O u t l e t ) - Note spawning g r a v e l i n t h i s section.

Photo 116 - Tsuh Lake (Deer)

P h o t o 117 - Tsuh Lake l o o k i n g n o r t h w e s t a t dam and s l u i c e g a t e s t r u c t u r e .

P h o t o #8 - Tsuh Lake o u t l e t

TSVU b-r) IAKE: H!zsebh) IHSP.DAE: DISllUCT: Penticton M.U.: 8 W . ( m ) : 1433 IAT.: 49:45 LUG.: 11956 1:50,000 Slmnerlmd W l:125,000Kelow~a(left half) AREA (ha):12-17 PERIM.(~) :2104 ~OILME(J>W~ TDS( ~ p n ) : 82 M M OEPIH (m) : 4.2 MAXIMM DEPIH (m) : 15 IWXS: 1 OVLLEIS?: 1

IXAIIWZ REPIO1ES: Tslh C - Trout C - Ckmgw L - R - Coluhia R. -4OZSS: 1 .6C/21 .~ (4X4~/0 an Sunrerlad. 7 4 1 . h a p & IJIL bfir0-t & /rl P ~ - P L @ M ~

nllti4 3.Lk.m - .(uKn l& r t 6 t l * pry) .c.%I(L/ FACILITIES: Cartop launch. Ib private property a n p r e .

SPECIES: AN2ER EFFW2 AVG 1983/88 1357 q. daysel AV.WT.(g) GUW suxxss: A V . L T . ( ~

SLWXIN; RU3DRD: - SPECIES SEAS~J ~ . / K G . S~CTRCE a~mm 1980

NATURAL SPA!NlX: Sufficient.

SID(XING PIAN: Ebne required. Natural spawing.

(AIElWE: A (a drive access but highly slrcessful fishery) Maintain present fishery of high catch success for 10-12" RBT.

REX;ULATICNS: m: t s of mall fish repr ted in 1985. Pg Jgraxh s t d y f iw 1'( 67 ' &4

~ ~ C N O N F I l E ( 4 0 . 3 5 ) fmfABSl: F'lulm?: . : es I C G ~ R E C Q V I ~ W R ~ R Y : M lq8q FED? : Yes RIYSICAL -7 : Yes E%WUkXT FIStlEW ROWKT NMWG? : 1006,1054,1077,1042,1038,1036,1164

IXE: LSIAH) f (~neas) k)) IFSP.DAE: DISIRICT: Pent i c t m H.U.: 8 W . ( m ) : 1542 IAT.: 49:46 M3F . 119:56 1:50,000 P e a c h l d 1:125,000 Kelama ARFA (ha) :6 (1+2-48.6) PERIM.(m) :I280 VOUME(d)220800 IDS(ppa): 203 MEAN IEPIV (m) : MPXIMM WM (m): 7.6 m: 0 (XTILEIS?: 1

SPECIES: RBT ANQER EFFDIC: X)O angler &ys/yc. AV.W.(g) C4mi sLwFSS: (guesstimate) AV.LT.( an)

srmxxtG REOORD: - SPECIES SEASaJ ND./KI;. Sma a3mm's 1980 SCCQ RBT Fa1 1 600

1981 5000 RBT Fa1 1 485

1987 5000 RBT 09/16 400 Dragon

r4mJm sPfumta.2

SID(XING PIAN: Try 2000 RBT firgerlirgs m u a l l y . Inspect natural s-k.

A WWfMNT OEJEIWE: Maintain moderate use fishery for &rate sized RBT.

REmLmm: Lake reported werstocked. kpor ts fran Fish and Gane cl& say fish size declined fmn 2 lb averge in

--lU' f ish in the 1960's. &elgrowth surveys to be done in 1988. Ebre reports of werstockbg in '85. Curtail stockirg. 2 dans Surmerland I.D.

F u R I H E R ~ O N ~ F I l E ( 4 0 . 3 5 ) REnABs?: pKm)s?:

mx imNr IJwEmXf: 1%9 mmKr FILED?: ~ S I W L WA? : Yes FISHER^ EFmT N U ~ ~ E X ? : 1054,1077,1164 ,'

ISP.WiE: DIStRIcX: Penticton M.U. : 8 W . ( m ) : 1524 113K;.: 119:56 1:50,000 Peachlad 1:125,000 R r l m ( le f t )

AREA (ha):5 PEFOl.(rn) :lo97 VOUME( m3) 308400 'IDS(ppn): 127 PGAN DEPM (m): 5.4 MD.ILM DEPIH (m): 16 U U E ! : 2 amEXS?: 1

FACILITIES:

wlm USE:

SPECIES: AEEaER EFFOKT: AVG 1983/88 304 mg. days AV.W. (~ ) m suaxss: A V . L T . ( ~

SRXXIK; RECORD: P SPECIES SEASCN ~ . / K G . SCUR(;F: aMmrI's 1980

~ O N S : werstocked. &ports frau Penticton Fish and Gane club say ish size declined £ran 2 lbs erage %$%::' fish in the 1%O1s. Igelgrcuth rdd i n l(&q . N(lodB1l ,fiL

N R M F R m a ( H m ( 4 0 . 3 5 ) Iumus?: PtDTOS?: : Yes

RlXRT F m ? : Yes RIYSICAL lXW : Yes FISHQZY REVJRT NLMBERS?: 1054,1077,1036

IAKE: ENUS ( e m ) I N S P . ~ : DISIRLCT: Penticton M.u.: 8 rSLY

LAT.: 49:45 IlaJG.: 11958 =.(rn) : 1:50 ,m P e ~ h l a d 1 :125 ,m Ke1ou-a ( l e f t half)

AREA (ha) :6-20 PEIUM.(m) :I097 ~ ( m 3 ) 3 0 8 4 0 0 ?DS(ppn) : 82 M OEPIH (m): 5.4 MPXIMU4 EPJX (m): 15.8 UUK?: 1 C4nLEm: 1

SPECIES SEASai

A N X B EFlWl': AVG 1983/&3 swmr flight counts: 842 &days C A ~ I smxss: AV.LT.(C~)

SIWXIC PLAN: b t required. - natural recruihnent .

OFWTIS%: A ( d e r a t e pressure, p o p l a r fishery throqhout the sumnr.)

IEmATxMS: OXSNIS: Rainbow trout ad coarse f ish. Sufficient natural spawrirg. L i t t l e and Big Ikas becane a~ lake d e r l u l l pool. A t low pool L i t t l e Eneas is 11 acres (4.4 ha) ad Big b a s is 18 ares (7.2 ha). In 1971, 202 angler days e r e spent t o catch 542 Rainbow a t .8 fish/hour. Averqe s ize uas .4 lbs. rted werstocked. kp r t s fra h n t i c t o n Fish ad Gwe c l h say f ish s i r e declined £ran 2 l b w e r g . " ? z t o 8-lb' f ish i n the

~ g e j g m u t h surveys a d a review of s tockkg is required. 3 r - &*& &dJ ~ f l J-h~'t7 - su r lP rd

N K M E X ~ m C N m ( 4 0 . 3 5 ) EHABS?: PHmx? :

EE'm: WG &>fi F m ? : Yes PHYSICAL MTA?: Yes ~E~UXNW FISHW REFORT NIMRERS?: 1006,1054,1077,1042,1038,1036

LAKE SURVEY FIELD RECORD

Surveyed by: D. Young & R . Zemlak Date: 89 /06 /21

Lake: Big Eneas Other Names ( i f a n y ) :

E l e v a t i o n : 1550 m

Drainage System: F i n l a y Cr - Eneas C r - Okanagan L - Okanagan R - Columbia R

Survey O b j e c t i v e : Spawning s t r eam s u r v e y s , A/G s t u d y of RB p o p u l a t i o n .

A P h y s i c a l D e s c r i p t i o n (Omit i f a l r e a d y on f i l e )

1. S h o r e l i n e ( S o i l , v e g e t a t i o n , e t c )

Treed t o l a k e . Fine s o i l s - same hardpan . Suba lp ine v e g e t a t i o n .

2 . Surrounding c o u n t r y ( G r a s s l a n d , mounta ins , e t c )

Top of mounta in - i n d e p r e s s i o n - surrounded by s p r u c e , f i r and l o d g e p o l e p i n e t o l a k e s h o r e . Swampy a t NW and SE e n d s .

3 . Access

From Summerland t o Darke L. t a k e l e f t r d (4x4)- r t a t f o r k f o r 3 . 7 km r t . t u r n o n t o Munroe Lk. r d . - 8.8 Ian t u r n l e f t o n t o B . Eneas Lk. Rd. 4x4 t o l a k e . From Peachland t u r n o n t o Munroe Lk. r d . 2 .6 km r t t u r n - 13.2 km t o P. Eneas L k . r d . about 112 lan t o l a k e .

4. F a c i l i t i e s

Car top b o a t l aunch on e a s t s i d e o f l a k e where road f i r s t comes t o l a k e . Back i n b o a t l aunch a t dam. Camping s p o t s , no ga rbage p a i l s ( u s e r m a i n t a i n e d ) .

5 . Water Use

Summerland I r r i g a t i o n ( ~ o m e s t i c ) Water Supply

6 . M i s c e l l a n e o u s comments ( o b s t r u c t i o n s , p o l l u t a n t s , g e n e r a l d e s c r i p t i o n o f l a k e )

O u t l e t a t North end l a k e ( F i n l a y C r ) . I n l e t from I s l a n d - L. Eneas . Dam a t n o r t h end w i t h c o n t r o l s . See s t r e a m s u r v e y fo rms .

B Lake H i s t o r y (Communication wi th a n g l e r s , problems, a n g l e r u s e e t c )

Seems t o g e t moderate use (842 a n g l e r days from Management ~ l a n ) . Three groups of f ishermen observed 89/06/21-22.

C F i l e H i s t o r y - Stocking Regula t ions e t c .

No s t o c k i n g - no s p e c i a l r e g u l a t i o n s .

D Fish c o n d i t i o n ( Q u a n t i t y , q u a l i t y , e t c )

A t o t a l of 48 RB n e t t e d o v e r a 24 h r p e r i o d . S i z e s ranged from 200 mm t o 425mm. Many f i s h were spen t and matur ing f o r n e x t y e a r . I t was tough t o g e t smal le r f i s h even u s i n g smal le r mesh s i z e . Two l a r g e 800 gms + spawners r e l e a s e d .

E Natural Product ion i n Lake (Overview o f Reach Cards)

Good p o t e n t i a l f o r spawning i n F i n l a y Cr. a l though s p i l l w a y i s major o b s t r u c t i o n f o r r e t u r n i n g f r y . F i s h can move between B . Eneas and L. Eneas - I s l a n d dur ing h i g h w a t e r . P o s s i b l y spawning i n I s l a n d Lake o u t l e t . S i z e seemed g e n e r a l l y l a r g e r than samples from Tsuh Lk. Gammarus p resen t .

F Management Recommendat i o n s , Opt i o n s & Enhancement Opport u n i t i e s

APPENDICES

1. Lake map showing d r a i n a g e a r e a 2 . A i r photo showing sampling l o c a t i o n s 3 . Fish sampling r e c o r d s 4 . Stream survey s h e e t s 5 . Lake Management P l a n

LAKE : Big Eneas

Net 41

Type*: Sinking g i l l Date Se t : 89/06/21 Time: 09:30 Date L i f t e d : 89/06/21 Time: 13:15

Net Dimensions: Length(m): 100 Depth (m): 2.4

Mesh S i z e ( s ) In Order of S e t : 1" - 1 112" - 2" - 2 1/2" - 3" - 3 1/2"

Shallow End Mesh S ize (nun): 1" Depth (m): 3 S u b s t r a t e : Mud

Deep End Mesh S ize (mm): 3 112" Depth (m): 4 S u b s t r a t e : Mud

Net #2

Type*: Sinking g i l l Date Se t : 89/06/21 Time: 13:30 Date L i f t e d : Time: 17:30

Net Dimensions: ~ e n g t h ( m ) : 100 Depth (m): 2.4

Mesh ~ i z e ( s ) In Order o f Set :

Shallow End Mesh S i ze (m): 1" Depth (m): 3 S u b s t r a t e : Mud

Deep End Mesh Size (m) : 3 112" Depth ( m ) : 4 S u b s t r a t e : Mud

Net /I3

Type*: Sinking g i l l Date Set : 89/06/21 Time: 17:45 Date L i f t e d : 89/06/21 Time: 20:30

Net Dimensions : Lengt h(m) : 30 Depth (m): 2.4

Mesh S i z e ( s ) In Order o f Se t : 1 112" - 2"

Shallow End Mesh S ize (mm): 1 1/2" Depth (m): 3 S u b s t r a t e : Mud

Deep End Mesh S ize (mm) : 2" Depth (m): 4 Subst r a t e : Mud

SPECIES

RB

SCALE SAMPLES TAKEN

3 7

i

/I PRESERVED NET ANGLED

- 15

TOTAL

3 7

1 2 3

17 5

I

LAKE: Big Eneas

Net 114

Type* : Date S e t : 8 9 / 0 6 / 2 1 Time: 21:00 D a t e L i f t e d : 8 9 / 0 6 / 2 2 Time: 08 :15

Net Dimens ions : ~ e n g t h ( m 1 : 30 Depth (m) : 2.4

Mesh ~ i z e ( s ) In Orde r o f S e t : 1" - 1 1 /2" - 2"

S h a l l o w End Mesh S i z e (mm): 1 1/2" Depth (m) : 4 S u b s t r a t e : Mud

Deep End Mesh S i z e (mm): 2" Depth (m): 4.5 S u b s t r a t e : Mud

Net .$I

Type* : Date S e t : Date L i f t e d :

Time : Time :

Net Dimens ions : ~ e n g t h ( m ) : Depth (m):

Mesh S i z e ( s ) I n Order o f S e t : =

Sha l low End Mesh S i z e (nun): Depth (m): S u b s t r a t e :

Deep End Mesh S i z e (nun): Depth (m) : S u b s t r a t e :

-

MINNOW TRAPS

rp ' 1 HOURS ( DEPTH I SUBSTRATE 1 FISH CAUGHT 1

* S i n k i n g o r f l o a t i n g , t w i s t e d o r m o n o f i l a m e n t , o r b e a c h s e i n e .

1 2 3 - -

ANGLED NET 7

SPECIES TOTAL -

SCALE SAMPLES TAKEN .$I PRESERVED

DFO /MOEP STREAM SURVEY FORM

. ~ ... s p e a r ~ Dala

d Width (ml . .

ean Depth lrn) - .. . . . - - .. . - - - -

1B.d Ynldmll

S T R E A M I V A L L E Y C R O S S- S E C T I O N fl (Looking Downstream)

L R PLANIMETRIC VIEW -

C T - - - 'rn - - -

;7 3- -

7 - -L -

- , L------

7 6 - I - c--< 4 0 -

FISH S U M M A R Y

- - -

No

- .

Size Rangelmnl

r--yzT ---

- - -- .

-

C Sped*.

&/3

C O M M E N T S

Channel StabilllyL], Debris u, Managemenl ~ o n c e r n s u , Obslructions a: Rlparian Zone 0; Valley Wall Plocesses a. Etc. - -. - -

, I

J . _ i r ~ . , ~ , , { ~ Z , i , b v ~ 7 ' {tt1-- ++r7:r7:- OM. ( /~J o ~ ~ / / i r / C 7 / / L z / - r d / c , P' LC,; t. c f ~ , 7 / dq /;d i

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Use

- -.

--

- .

DFO/MOEP STREAM SURVEY FORM

(locall Access - -_la- Method

SCHARGE REACH SYMBOL ( F ~ s h )

IWlalh.VaIIey.ChnnneI,SIopel I (Bed u a l e r ~ a l l

REVISED DEC 87 SS18.

LAKE SURVEY FIELD RECORD

Surveyed by : D . Young, R . Zemlak Da te : 8 9 / 0 6 / 2 0

Lake: Tsuh Othe r Names ( i f a n y ) : Deer

E l e v a t i o n : 1550 rn

raina age Sys tem: Tsuh C r - T r o u t C r - Okanagan Lk - Okanagan R - Colcrmbia R

Su rvey O b j e c t i v e : Survey o f spawning s t r e a m s . Agelgrowth S u r v e y o f R B .

A P h y s i c a l D e s c r i p t i o n (Omit i f a l r e a d y on f i l e )

1 . S h o r e l i n e ( s o i l , v e g e t a t i o n , e t c )

Rock and g r a s s t o a b o u t 30 f t b a c k and t h e n c o n i f e r o u s fo re s t- .

2. S u r r o u n d i n g c o u n t r y ( G r a s s l a n d , m o u n t a i n s , e t c )

R o l l i n g m o u n t a i n- t o p ; s e m i- a l p i n e c o n i f e r o u s f o r e s t d e n s e p i n e and s p r u c e .

3 . Access

From Summerland t o Darke Lk - t a k e l e f t r d ( 4 x 4 ) - r i g h t a t f o r k f o r 3 . 7 km r t t u r n o n t o Munroe Lk . r d . - 2 . 8 km t u r n l e f t o n t o Tsuh Lk r d . 1.6 lan t o l a k e . From Peach land t u r n o n t o Munroe Lk. r d . - r i g h t a c r o s s Deep Cr . - km t o Tsuh Lk t u r n o f f .

4 . F a c i l i t i e s

Two c a b i n s ( o n e l o c k e d ) w i t h s t o v e s , g a r b a g e c a n s , camping a r e a s , b o a t l a u n c h i n g a r e a . O u t h o u s e s .

5 . Water Use

Summerland Domest ic Water S u p p l y

6 . M i s c e l l a n e o u s comments ( o b s t r u c t i o n s , p o l l u t a n t s , g e n e r a l d e s c r i p t i o n of l a k e )

Lake i s s h a l l o w a t NE and SW e n d s . G e n e r a l l y a mud b o t t o m w i t h v e r y l i t t l e weed g r o w t h . Gammarus p r e s e n t . One o u t l e t a t NW end o f l a k e - l i m i t e d spawning p o t e n t i a l b u t seems t o b e o n l y o n e .

R Lake H i s t o r y (Communicat ion w i t h a n g l e r s , p rob lems , a n g l e r u se e t c )

Cree! c e n s u s done o f t h r e e f i s h e r m e n . H i s t o r i c a l l y t h e y c a u g h t b i g g e r f i s h a l t h o u g h s u c c e s s i s s t i l l good, ( 1 6 f i s h i n 3 h r s ) .

C F i l e H i s t o r y - S t o c k i n g R e g u l a t i o n s e t c .

No s t o c k i n g o r s p e c i a l r e g u l a t i o n s

D F i s h C o n d i t i o n ( Q u a n t i t y , q u a l i t y , e t c )

Catch s u c c e s s good on c r e e l c e n s u s ( 8 9 / 0 6 / 2 0 ) 1 . 7 7 f i s h / h r . G i l l n e t s u c c e s s 13 and 7 f i s h r e s p e c t i v e l y i n 4 h r s e t s midday .

E N a t u r a l P r o d u c t i o n i n Lake (Overview o f Reach C a r d s )

The re seems t o b e a d e q u a t e n o s . of f i s h i n t h e l a k e . A t o t a l o f 36 R B were sampled o v e r a 8 h r p e r i o d . F i s h s i z e r anged from 208-325 mm. N a t u r a l spawning is o c c u r r i n g i n o u t l e t . Many f e m a l e s s p e n t a r e r e m a t u r i n g . Spawning is o v e r e x c e p t f o r a few s t r a g g l e r s ( ) .

F Managanent Reconmendat i o n s , Opt i o n s & Enhancement O p p o r t u n i t i e s

APPENDICES

1. Lake map showing d r a i n a g e a r e a 2 . Air pho to showing sampl ing l o c a t i o n s 3 . F i s h s a m p l i n g r e c o r d s 4 . S t ream s u r v e y s h e e t s 5 . Lake Management P l a n

LAKE: Tsuh Lake ( D e e r )

Net i / l

Tvpe*: S i n k i n g g i l l Date S e t : 89 /06 /20 Time: 0 9 : j O Da te L i Eted: 8 9 / 0 6 / 2 0 T i m : !3:00

Net Dimensions : Lengt h(m) : 100 Depth (m): 2.4

Yesh S i z e ( s ) I n Order o f S e t : 1" - 1 1/2" - 2" - 2 1 /2" - 3" - 3 l / 2 "

Sha l low End Xesh S i z e (mm): 1" Depth (m): 3 .5 S u b s t r a t e : Mud

Deep End Mesh S i z e ( m ) : 3 1/2" Depth (m) : 4 S u b s t r a t e : Mud

Net #2

Type*: S i n k i n g g i l l Date S e t : 8 9 / 0 6 / 2 0 Time: 1 3 : 3 0 Da te Li Eted: 8 9 / 0 6 / 2 0 Time: 1 5 : 0 0

Net Dimensions : ~ e n g t h ( m ) : 100 Depth (m): 2 .4

?lesh S i z e ( s ) I n Ords r o f S e t : '1" - 1 1/2" - 2" - 2 1 /2" - 3" - 3 1/2"

Sha l low End Mesh S i z e ( m r n ) : 1" Depth (m) : 3 . 5 S u b s t r a t e : Mud

Deep End Mesh S i z e (mm): 3 1 /2" Depth (m): 4 S u b s t r a t e : Mud

*

SPECIES

RBT

MINNOW TRAPS

- -

NET ANGLED

16 1 3

* S i n k i n g o r f l o a t i n g , t w i s t e d o r monof i l amen t , o r b e a c h s e i n e .

HOURS

TOTAL

3 6

1 2 3

7

SUBSTRATE DEPTH

-

FISH CAUGHT

SCALE SAMPLES TAKEN

3 6

# PRESERVED

DFO /MOEP STREAM SURVEY FORM

Stream Name ( g a r I (locall Access Method

DISCHARGE . - - -- -

V ~ l y e Method m f c Data 4 -. - -- -. . ---

REACH SYMBOL IFimhl

LAKE SURVEY FIELD RECORD

Surveyed b y : D . Young & R . Zemlak Da te : 8 9 / 0 6 / 2 1

Lake: L i t t l e Eneas O t h e r Names ( i f any )

E l e v a t i o n : 1550 m

D r a i n a s e System: Big Eneas - F i n a l y C r - Eneas C r - O k a c a ~ a n L - Okanagan R - Columbia R

Survey O b j e c t i v e : L o c a t s Spawning S t r e a m s A / G s t u d y o f RB p o p u l a t i o n

A P h y s i c a l D e s c r i p t i o n ( h i t i f a l r 2 a d y on f i l e )

C r e s c e n t s h a p e , 1 / 3 m i l e l o n g , 75 t o 100 yds w ide . L i l y pads a l o n g most o f s h o r e l i n e . S h o r e l i n e mar shy w i t h t h i c k b u s h down t o l a k e e d g e .

1 . s h o r e l i n e ( s o i l , v e g e t a t i o n , e t c )

Marshy a t NE end and a l s o a t i n l e t from I s l a n d Lake. Treed t o s h o r e l i n e i n most a r e a s .

2 . Su r round ing c o u n t r y ( G r a s s l a n d , m o u n t a i n s , e t c )

Top of m o u n t a i n , r o l l i n g r o c k y c o u n t r y , heavy c o c i f e r o u s f o r e s t , swampy a t NE and SW e n d s .

3 . Access

From B. Eneas b y b o a t .

4 . F a c i l i t i e s

Shore camping s p o t s l i m i t e d - no f a c i l i t i e s .

5 . Water Use

Summerland Domest ic Water S u p p l y

6 . M i s c e l l a n e o u s comments ( o b s t r u c t i o n s , p o l l u t a n t s , g e n e r a l d e s c r i p t i o n o f l a k e )

Beaver dam l o c a t e d on o u t l e t t o B . Eneas . I n l e t f rom I s l a n d Lake - o u t l e t t o B . E n e a s .

B Lake H i s t o r y ( ~ o m m u n i c a t i o n w i t h a n g l e r s , p r o b l e m s , a n g l e r u s e e t c l

From management p l a n r e p o r t e d o v e r s t o c k e d and s i z e down.

C P i l e H i s t o r y - S t o c k i n g R e g u l a t i o n s e t c .

No s t o c k i n g - no s p e c i a l r e g u l a t i o n s .

D F i s h C o n d i t i o n ( O u a n t i t v , q u a l i t y , e t c )

No f i s h t a k e n i n s h o r t ( 2 1 / 2 h r s e t ) .

E N a t u r a l P r o d u c t i o n i n Lake (Overv iew o f Reach c a r d s )

Good spawning i n I s l a n d Lake o u t l e t . Eggs p r e s e n t i n g r a v e l 8 9 / 0 6 / 2 1 . Two spawners o b s e r v e d i n I s l a n d Lake o u t l e t .

F Management Recommendat i o n s , Opt i o n s & Enhancement Opport u n i t i e s

APPENDICES

1 . Lake map showing d r a i n a g e a r e a 2 . A i r pho to showing s a m p l i n g l o c a t i o n s 3 . F i s h sampl ing r e c o r d s 4 . S t ream s u r v e y s h e e t s 5 . Lake Management P l a n

LAKE: L i t t l e E n e a s

Net 8 1

Type*: S i n k i n g G i l l D a t e S e t : 5 9 / 0 6 / 2 1 Time: 1 0 : l O D a t e L i f t e d : 8 9 / 0 6 / 2 1 Tia t? : 1 2 : 4 5

Net D i m e n s i o n s : ~ e n g t h ( m ) : 3 0 D e p t h (m) : 2 . 4

Mesh ~ i z e ( s ) I n O r d e r o f S e t : 1 1 / 2 " - 2"

S h a l l o w End Mesh S i z e (mm): 1 1!2" D e p t h (m): 3 S u b s t r a t e : Mud

Deep End Mesh S i z e (mm): 2" D e p t h ( m ) : 4 S u b s t r a t e : Mud

Net /I2

Type* : D a t e S e t : D a t e L i f t e d :

Time : Time :

Net D i m e n s i o n s : L e n g t h ( m ) : D e p t h (m):

Mesh S i z e ( s ) I n O r d e r o f S e t :

S h a l l o w End Mesh S i z e (mm) : D e p t h (m): S u b s t r a t e :

Deep End Mesh S i z e (mm:: D e p t h ( m ) : S u b s t r a t e :

MINNOW TRAPS J

* S i n k i n g o r f l o a t i n g , t w i s t e d o r m o n o f i l a m e n t , o r b e a c h s e i n e .

SPECIES

HOURS SUBSTRATE DEPTH

NET

FISH CAUGHT

ANGLED

0

TOTAL

1 2 3

- -

SCALE SAMPLES TAKEN // PRESERVED

1

I

DFO/MOEP STREAM SURVEY FORM

is.

Reg* - 9 ', -.. ...... + n.u.: 8 , P . U . : Q K A ~

. . . . *x-pte : g~b6/zl

. $

--:*-,:

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bight (g)

Age Scale Sarple

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Age Diet 1

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Capcon Method

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Diet 2 Length (d

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Sex

C

b u m t e

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Weight (8 )

15%

kale Seple

#

2r

Mat.

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Xark Fin C l i p

Spray C o l a s