Pengaruh Perbedaan Ukuran Mata Jaring Lowang terhadap Hasil Tangkapan di Perairan Cirebon Jawa Barat

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OIek

TANTI SUBERTI

C

23.1563

FAKULTAS PEREKANWRI

INSTITUT

PERTAMIAN BOGOR

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PENGARUH PERBEDAAN UKUHAN HATA J A R I N G LOWANG

TERHADAP H A S I L TANGKAPAN

DI

PERAIRAN CIRERDN JAWA RARAT

S K R I P S I

S e b a g a i s a l a h s a t u s y a r a t u n t u k m e m p e r o l e h g e l a r s a r j a n a d a l a m b i d a n g k e a h l i a n P e m a n f a a t a n S u m b e r d a y a P e r i k a n a n

p a d a F a k u l t a s P e r i k a n a n I n s t i t u t P e r t a n i a n R o g o r

O l e h TANTI SURERTI

C 23 1563

D i k e t a h u i : D i s e t u j u i :

12 J a n u a r i 1991

T a n g g a l L u l u s

K o m i s i P e m b i m b i n g

I r . ~ a m b a h M u r d i y a n t o Ketua

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R I

N G K A S A N

T A N T I S U B E R T I

( C 23.1563).

P E N G A R U H PERREDAAN UKURAN MATA

J A R I N G L O W A N G TERHADAP H A S I L TANGKAPAN DI P E R A I R A N G I R E F O N

J A W A RARAT.

(DI B A W A H BIMRINGAN

DR.

IR. RAMRANG MURDIYANTO

DAN IR. RONNY IRAWAN WAHJU)

P e n e l i t i a n i n i d i l a k u k a n d i d a e r a h H o n d e t , D E S ~

H e r t a s i n g a IKecamatan C i r e b o n U t a r a . selarna d i i a b u l a n y a i t u

p a d a h u l a n M e i r a r n p a i d e n g a n b u l a n J u l i - . 1940.

T u j u a n p e n e l i t i a n i n i a d a l a h u n t u k r n e n g e t a h u i p e n g a r u h

p e r b e d a a n u k u r a n mata j a r i n g t e r h a d a p h a r i l t a n g k a p a n j a r i n g l o w a n g s e r t a r n e n g e t a h u i k i t r v a ~ e l e i . : . t . i v i t a s j a r i r l g

l o w a n g ' e r h a d a p h a s i l t a n g k a p a n i k a n R a w a l P u t i h y a n g

d i h a r a p k ~ a n d a p a t m e n i n g k a t k a n e f e k t i f i t a s d a n p r o d u k t i v i t a s

; a r i n g l o w a n g a i p e r a i r a n H o n d e t .

R a n c a n g a n y a n g d i g u n a k a n a d a l a h R a n c a n g a n H c a k

L e n g k a p . D e n g a n m e n g g u n a k a n l a r i n g l o w a n b r e b a n y a k b p i e c e

c

y a n g b e ] - b e d a i i k u r a n mata j a r i n g n y a , y ~ i t r r 4 i n c i , 4,.., i n c i

d a n 5 i n c i m a s i n g - m a r i n a sebanyah,:. 2 p i e c e r e b a g a i

p e r l a k u a n . S e b a g a i u l a n g a n n y a a d a l a h t r l p p e n g o p e r a s i a n

j a r i n g l a w a n g . F a r a m e t e r y a n g d i u k u r a d a l a h f o r k l e n g t h

i c m ) , g i r t h ( c m ) d a n b e r a t i q r ) i k a n B a w a l F ' u t i h .

P e r b e d a a n u k u r a n rnata j a r i n g l o w a n a b e r p e n g a r u h

t e r h a d a p j u m l a h h a s i l t a n g k a p a n t o t a l . P e r i n c i a n h a s i . 1 .

t a n g k a p a n t o t a l d a r i y a n g t e r t i n g g i h i n g g a t e r e n d a h a d a l a h

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m a s i n g b e r t u r u t - t u r - u t a d a l a h 4 2 , s k g , .23,7 k g d a n 1 9 , 2 k g .

P e r b f d a a n u k u r a n m a t a j a r i n g l o w a n g b e r p e n g a r u h

ter-haoap :um?ah h a s i l t a n g k a p a n i k a n Bawal P u t i h .

P e t - i n c i a n h a r i l t a n g k a p a n t o t a l i k a n Xawal P u t i h d a r i y a n g

t e r t i n g q i h i n g g a t e r e n d a h a d a l a h pada m a t a j a r i n g u k u r a n

4 , s i n c i , ': i n c i dan 4 i n c i masing-masing b e r . t ~ ! r i . t t - t u r u t

a a a l a h 2$,9 k g , 2 0 , 9 k g dan 14,2 kg.

S e b a r s n f o r k l e n g t h i k a n Hawal P u t i h y a n g t e r t a n g k a p

pada :.!kura- mata j a r i n g 4 i n c i a d a l a h 1 4 em - 1 9 , s em,

: : . i . . ~ ~ r ~ n mata j a r i n g 4,s i n c i a d a l a h 1 5 cm

-

2 1 cm, d a n

v 4 u r z c m a t a i a r i n g 5 i n c i a d a l a h 1 7 cm

-

24 cm. S e b a r a n

g i r t h u k u - a n m a t s j a r i n g 4 i n c i a d a l a h 17,5 cm

-

2 6 cm,

z k u r a - mata l a r i n g 4,s i n c i a d a l a h 18 cm

-

5 2 cm d a n

:~ikurs.r, m s t a j a r i n a 5 i n c i a d a l a h 2 2 cm

-

3 4 em. Sedanglcan

s e h a r s n b e r a t pada u k u r a n m a t a j a r i n g 4 i n c i a d a l a h 1 1 0 g r

-

334> g r pada cikuran m a t a i a r i n g 4 , s i n c i a d a l a h 13i:l g r -

520 gi- dap p a d s i i l - u r a n mat.a j a r i n g 5 i n c i a d a l a h 17r:I g r

-

5 5 0 gr-.

S s r i l t a n g k a p a n pada u k u r a n m a t a j a r i n g 4,s i n c i

memberikan h a r i l t a n g k a p a n t e r b e r a r . U k u r a n i k a n R a w a l

.-bc+ih .. . .. :,ang tft-banyak. y a i t c t p a d a s e l a n g f o r k l e n g t h 1 7 , 5 5 em

- 19.54 r m 3 s e l a n g g i r t h 2 3 , 5 5 cm - 2 4 - 5 4 em dan s e l a n g

b s r a t 1 6 1 r - 21b g r . Ha1 i n i m e n u n i ~ t k k a n bahwa j a r i n g

luwanq denoe,n u k i t r a n m a t a j a r i n g 4 ? 5 i n c i d i d a e r a h R o n d e t

i e b l h r f e P r l i dan p r n d u k t i f u n t u k menangkap i k a n Eiawal

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Persamaan k u r v a s e l e k t i u l t a s u n t u k m a s i n g - m a s i n g

u k u r a n m a t a j a r i n g a d a l a h s e b a q a l b e r l k u t :

U n t u k j a r i n g l o w a n g u k u r a n m a t s j a r i n g 4 l n c i :

U n t u k j a r r i n g l o w a n g ~ t k u r a n m a t a ~ a r i n g 4 - 5 i n c i :

( L

-

19,43) 2 P ( 4 , 5 ) = e x p (

-

)

4,08

U n t u k j a r i n g l o w a n g u k u r a n mata l a r l n g 5 i n c i :

2 (

L

-

2 1 , 5 9 )

P ( ~ , ~ ) = e x p (

-

1

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KATA P E N G A N T A R

P u j i s y u i : . u r p e n u l l s p a n i a t k a n k e h a d i r a t A 1 l a h s w t , s e h i n g g a o e n u l 3 . s d a p a t m e n y e l e r a i k a n s k r i p s i i n i .

S k r i p s i i n i m e r u p a k a n s a l a h s a t u s y a r a t u n t c t k

n i e m p e r o l e h g e i a r - s a t - ~ a n a d a l c i i l b i c l a n g k e a h l i a n J u r i t s a n

F e r n a n f a a t a n S u m b e t - d a y a P e r i k a n a n p a d a F a k u l t a s P e r i k a n a n

I r z . t l . t u t P e r t a q i a n R o g o r .

P a d s k f s e m p a t a ~ l n i p e n u l i s m e n g u c a p k a n t e r i m a k a s i h

k z n a d a :

1. E a p a i D r . I r . R c m b s n g N i , . r d i y a n ' t n d a n B a p a k I r . R n n n y

I r a w a n s f h a g a l d o s e n p e m b i m b i n a y a n g t e l a h m e m b e r i k a n

bimbir.q:\nr; - 5 .

2 h a p a ? ?la?.ri~:r!, I ' l a r d l i . o , b:osim d k k s e b a q a i n e l a y a n y a n g

m e n y e r t a i p e n u : i s s e l a m a p e n e l i t i a n .

-.

2 . b a p a k M a c h f u r d c e k : e i u a t - g a s e b a g a i K e p a l a D e s a M e r t a s i n g a

.

? d n g

.

-

t e i a h banyak: m e m b a n t u p e n u l i s s e l a m a p e n e i i t i a n .

4 . S d r . T u k r v o n o y a n g t e l a t i m e m b a n t u p e n u l i s s e l a m a 1 - 3 . .

,

e ,,;,ii:an r ; e n e : l t i a n .

5 . P a p a t ! d a n mamah v a n e t e l a t i m e m b e r i k a n d n r n n y a n

k e p a d a p e n u l l s d a l a a p e n y e i e s a i a n s k r i p s i i n i .

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DAFTAR IS1

RINGEASAN

...

j

KHTA F'ENGANTAR

...

i

v

DAFTAR LAPIPIRAN

...

v

i

DAFTAR GAMHAR

...

viii

1. FENDAHLJLUAN

...

1

1.1 Latar Helakang

...

1

1.2

Tujuan

...

4

1.3

Waktu dan Tempat Penelitian

...

4

2. PAHAN DAN METODE PENELITIAN

...

5

.-

~ . 1

Bahan dan Alat Penelitian

...

c

2.11 Jaring Lowang

...

r z %!

-

2.12 Perahu

...

I r,

,.13

Alat pengukur

...

9

m. ~ . 2

!.letode Penelitian

...

1 0

2.21 Rancangan Penelitian

...

1 0

2.22

Pengumpulan Data

...

11

2.23

Analisis Data

...

12

3 .

HASIL PENEL-ITIAN

...

7

1 6

1

Eeadaan Urnum Perikanan Laut di Hondet

...

16

3.2

Operasi Penangkapan Jaring Lowang

...

1 8

3.3

Data Haril Penelitian

...

19

4.

F'EMHAHASAN

...

77 1 5.

KESINPULAN DAN SARAN

...

7

.-.

1

5.1

Keaimpulan

...

3 1

9.2 Saran

...

7.d -L 7

DAFTAH PUSTAKA

...

33

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D A F T A R

L A M P I R A N

H a l a m a n

P e t a p u s a t b e g l a t a n ~ e r l k a n a n l a u t d i

K a b u p a t e n C i r e b o n

...

" 7 .i ,

.:!:rmlah a : a t p e n a n g i : a p a n i k a n d a n p e r a h u

d i d a e r a h B o n d e t t a h u n 1988

...

38

P r o d u k s i p s t - i k a n a n r a n g k a p d a n h a r g a j u a l d i p e r a i r a q S o n d e t t a h u n 1 9 8 8

-

j'78P

...

7, 9

G r a f i k p r o d u k s l p e t - l r a n a n t a n g k a p d a n h a r y a l u a l d; s e r s z r a n B o n d e t t a h u n

:L.~EIS

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I r a ?

...

4 0

L-oliasi. c i a e r a h !?zr,ar;qk.apar! j a r i n g

i o w a n g

...

42

b t a s - i - a t i s t s l cii i i s n o r m a l a n L i l l i e f o r s t ~ t a l h a s i l tarzgi.:apan l a r i n g l o w a n g p e r

t r i p

...

4 4

L i a t a s t a t i r - t i i (-13 i i e n o r m a l a n L i l i i . e f o r s

i k a n B a w a l F ~ t , t l h h a z r l t a n g k a p a n j a r i n g

i a w a n g p e r t r i p

. . .

4 5

j u m l a h h a s i i t a n g i . s g a n ii.:.an i g r ) p e r t r i p p a d a i!i.:.ir;n m a r a j a r i n g y a n g b e r -

b e d a

...

4 k.

H -,

.-

i

'

a n a l l c ~ s i r - l d ~ i r a g a m p e n g a r u h

u k u r a n m a t s j a r i n g t e r h a d a p h a s i l

t a n s k a p a n

...

47

U j 3. Beds ibl~yata .?uji:t- h a s i l t a n g k a p a n

d a l a m b e r b a g a l u t : . ~ ~ r a n mats ~ a r i n g

....

4 8

Ik:.an B a w a l p u t s h i?ampc!s a l - q e n t e c ~ s j 49

J!.~.rnl.ah h a . s i 1 t c a . n s i a s a n ik:.an R c w a l pb.!tiIh i ! ~ r ! p e r i r ~ i r . p a d a uki.q.ran m a t a

j a v i n g y t t r i g k?ertreda

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= -1 C)

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I i a s i i a r i a l x r i s i d i i raciam p e n g a r ~ u h ~ i i u r a r i m a t ; , j a r 1 i - i ~ t e r h a d a p h a s i l

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