Koordinator: dr.sc. Gorenka Sinovi

dr.sc. Vanja ike Kemr.sc. Barbara ZoricaIvica akor2. GOSPODARENJE BIOLOKIM DOBRIMA I ZATITA BIOLOKE RAZNOLIKOSTI2.2. SMANJENJE BIOLOKIH ZALIHA GOSPODARSKIZNAAJNIH VRSTA 2.2.2. NAJVANIJE PELAGIKE VRSTE Institut za oceanografiju i ribarstvo, Split

Laboratorij za ribarstvenu biologiju, gospodarenje pridnenim i pelagikim resursima

Vrstesrdela, Sardina pilchardusinun (brgljun), Engraulis encrasicolusskua, Scomber scombruslokarda, Scomber japonicusiglica, Belone belonesrdela golema, Sardinella auritapalamida, Sarda sardapapalina, Sparttus sprattus

Metodologija makroskopsko odreivanje spola procjena stanja sazrijevanja gonada teina ribe (W) teina gonada (Wg) starostBiometrija podaci o ulovu

Podruje istraivanja:

zapadna obala Istre ( ), kanalsko podruje ( ), Novigradsko more ( ), Katelanski zaljev ( ), uzobalje ( ), otvoreno more ( ).

Ciljevi:sustavno pratiti najznaajnije populacije pelagike (plave) ribe ustvrditi stanje i dinamiku u njihovim populacijama ustvrditi najmanje duine spolnog sazrijevanjagustoapredloiti nain sprovoenja odrivog iskoritavanja (minimalne lovne duine, lovostaj itd.), iz ega proizlazi ouvanje populacija i zatita bioloke raznolikosti.

Duinska raspodjela srdele (plavi histogrami) i inuna (crveni histogrami) iz uzoraka lovina ostvarenih u ribolovnom moru Hrvatske: zapadna obala Istre (a), kanalsko podruje (b), Novigradsko more (c), Katelanski zaljev (d), uzobalje (e) i otvoreno more (f); (1998.-2009.).Rezultati:

Duinska raspodjela srdele u ribolovnom moru Hrvatske tijekom razdoblja istraivanja (1998.-2009.).

Duinska raspodjela inuna u ribolovnom moru Hrvatske tijekom razdoblja istraivanja (1998.-2009.).

Starosna struktura srdele (a) i inuna (b) a)b)

Chart1

1.1

43.9

38.6

14.3

2.2

starost

%

Brgljun

Datum:2008IstraKanalskoNgKastelaUzobaljeOtvorenoUkupnoIstraKanalskoNgKastelaUzobaljeOtvorenoUkupno

LTNx'x'2f*x'f*x'2%NNNNNNN%%%%%%%

400-6.542.2500000000000000

4.500-63600000000000000

500-5.530.2500000000000000

5.515.5-525-5250.0385653683001100000.203252032500.0385653683

616-4.520.25-4.520.250.0385653683001100000.203252032500.0385653683

6.5639-416-24960.2313922098006600001.219512195100.2313922098

71498-3.512.25-49171.50.5399151562021214000.512820512802.439024390200.5399151562

7.516120-39-481440.6170458928061016001.538461538502.032520325200.6170458928

839312-2.56.25-97.5243.751.50404936370201939005.128205128203.861788617901.5040493637

8.575637.5-24-1503002.89240262240344175008.717948717908.333333333302.8924026224

983747-1.52.25-124.5186.753.20092556880354883008.974358974409.75609756103.2009255688

9.548456-11-48481.85113767840202848005.128205128205.691056910601.8511376784

1037370-0.50.25-18.59.251.42691862710241337006.153846153802.642276422801.4269186271

10.525262.500000.9641342075021425005.384615384600.813008130100.9641342075

11323520.50.251681.2340917856030232007.692307692300.40650406501.2340917856

11.5586671158582.2367913614242113581.566579634505.384615384602.642276422802.2367913614

1212114521.52.25181.5272.254.66640956424039421212.610966057401008.536585365904.6664095642

12.51912387.5243827647.3659853452148231731919.660574412505.897435897403.45528455281.67597765367.3659853452

1356273062.56.2514053512.521.67373698425328121056234.72584856402.051282051302.43902439025.586592178821.6737369842

13.54756412.5391425427518.318549942243615111347528.459530026103.846153846202.23577235777.262569832418.3185499422

1435749983.512.251249.54373.2513.767836482827621451535718.015665796305.384615384609.14634146348.379888268213.7678364828

14.5154223341661624645.9390667181601845311543.916449086204.615384615409.146341463417.31843575425.9390667181

1514121154.520.25634.52855.255.4377169302122560441410.783289817206.4102564103012.195121951224.58100558665.4377169302

15.561945.552530515252.3524874663012262361003.076923076905.284552845512.84916201122.3524874663

16457205.530.25247.51361.251.735441573508221545002.051282051304.47154471548.37988826821.7354415735

16.537610.563622213321.4269186271471016370.261096605701.794871794902.03252032528.9385474861.4269186271

1791536.542.2558.5380.250.347088314701359000.256410256400.60975609762.79329608940.3470883147

17.5470749281960.15426147320013400000.20325203251.67597765360.1542614732

181187.556.257.556.250.038565368300011000000.55865921790.0385653683

18.50086400000000000000

19008.572.2500000000000000

19.50098100000000000000

20009.590.2500000000000000

20.5001010000000000000000

210010.5110.2500000000000000

21.5001112100000000000000

220011.5132.2500000000000000

22.5001214400000000000000

Ukupno259333493.5626724677.5100153203900492179259310001000100100100

srednjak12.9168916313

M13

SD0.9587780845

SE0.0188285484

5.5

18

Srdela

Datum:2008IstraKanalskoNgKastelaUzobaljeOtvorenoUkupno

LTNx'x'2f*x'f*x'2%IstraKanalskoNgKastelaUzobaljeOtvorenoUkupno%%%%%%%

400-6.542.25000000000000000

4.500-636000000000000000

500-5.530.25000000000000000

5.500-525000000000000000

600-4.520.25000000000000000

6.500-416000000000000000

700-3.512.25000000000000000

7.500-39000000000000000

800-2.56.25000000000000000

8.500-24000000000000000

900-1.52.25000000000000000

9.500-11000000000000000

1000-0.50.25000000000000000

10.522100000.02384358610011200000.05780346820.04962779160.0238435861

116660.50.2531.50.07153075820060600000.346820809200.0715307582

11.5121381112120.1430615165001201200000.693641618500.1430615165

12526241.52.25781170.619933238124828520.265134776804.651162790700.46242774571.38957816380.619933238

12.52433037.5244869722.896995708215241862433.3583738404.651162790700.05780346824.26799007442.8969957082

1375898542.56.2518954737.59.03671912265849116475812.9032258065010.465116279100.05780346828.13895781649.0367191226

13.5131917806.53939571187115.7248450167108411211211131923.9505081753.225806451613.953488372100.635838150310.471464019915.7248450167

141686236043.512.25590120653.520.1001430615116015230281168625.629695095017.4418604651013.294797687913.945409429320.1001430615

14.513181911141652722108815.712923223774429324239131816.43835616446.451612903210.4651162791018.728323699411.861042183615.7129232237

151002150304.520.25450920290.511.94563662374345638717010029.589041095916.12903225816.976744186022.36994219658.436724565811.9456366237

15.551679985252580129006.1516452074112582381535162.474591250616.12903225819.3023255814013.75722543357.59305210926.1516452074

1652784325.530.252898.515941.756.28278493091045122231835272.297834732716.129032258113.9534883721012.89017341049.08188585616.2827849309

16.537662046362256135364.482594182256741561533761.237295625322.58064516134.651162790709.01734104057.59305210924.4825941822

1731253046.542.252028131823.71959942784051981683120.883782589516.12903225811.162790697705.66473988448.33746898263.7195994278

17.51652887.5749115580851.9670958512322231081650.707026071602.325581395301.32947976885.35980148881.9670958512

187212967.556.2554040500.858369098780955720.17675651790000.52023121392.7295285360.8583690987

18.52037086416012800.238435860840214200.08837825890000.11560693640.69478908190.2384358608

191198.572.258.572.250.01192179301000103.225806451600000.011921793

19.5119.59819810.01192179300011000000.04962779160.011921793

20009.590.25000000000000000

20.50010100000000000000000

210010.5110.25000000000000000

21.50011121000000000000000

220011.5132.25000000000000000

22.50012144000000000000000

Ukupno8388121822337481488711004526318601730201583881001001000100100100

srednjak14.5233667144

M14

SD0.6246596814

SE0.0068204694

Min14.5

Max17

LW za S i B

SrdelaBrgljun

LengthWeightLengthWeight

1213.51313.2

1215.31314.2

1214.81314.6

12.516.71313.9

12.515.91313.6

12.515.213.515

12.516.713.516.7

12.515.213.516

1316.613.516.5

1317.613.516.8

1317.91418.6

1316.71416.7

1317.81416.2

13.520.11416.8

13.521.51417.4

13.520.514.518.9

13.518.114.519

13.51814.516.9

1422.214.516.4

1421.914.519.7

1420.91520.4

1419.81520.9

1419.116.526

14.522.511.59

14.523.411.59.8

1523.911.59.7

1631.911.510

12.514.611.58.8

12.516.11211

12.515.91210.4

13171211

13161211.5

1316.41213

1317.212.512.3

1317.912.511.8

13.518.512.513.6

13.51912.512.3

13.517.412.512.5

13.518.91314.2

13.517.21313

1419.61313.4

1419.91316.2

1420.31313.4

1420.113.514.3

1419.113.514.9

14.52113.516.4

14.521.113.515.5

14.520.813.516.3

14.521.31417.8

14.522.11416.8

15251417.6

1522.81417.9

1523.21416.9

1630.814.518.9

16.53112.514.1

16.532.712.513

12.515.812.512.8

12.515.712.514

1317.612.514

1316.61314.4

1315.91316.3

1316.41314.2

1316.21315.5

13.519.41316.1

13.517.913.517.1

13.51913.515.7

13.518.513.516.8

13.51913.516

1420.513.516.5

14201417

1420.51417.8

1421.41418

1421.61418.3

14.523.41418.1

14.523.314.517.2

14.522.51521.4

14.521.415.723.4

15231417.55

1525.414.620.42

1524.513.214.06

15.529.414.720.69

1633.114.520.48

1629.612.611.23

16.533.913.915.92

13.519.31415.9

13.518.913.515.67

13.520.813.815.3

13.51915.421.6

13.518.413.616.33

1420.314.519.93

1420.413.515.27

1422.214.420.12

1420.71625.48

1420.415.122.49

14.520.214.518.91

14.522.113.414.36

14.524.313.114.24

14.523.514.418.2

14.52314.519.8

1526.21313.41

1526.213.213.92

1525.812.912.68

1523.514.525.04

15.52814.518.67

15.527.71521.88

15.530.51311.96

15.526.414.218.43

15.529.314.218.2

1632.414.117.14

1631.114.519.5

1632.313.112.8

1633.212.613.06

1634.213.513.77

16.534.514.418.2

16.536.613.916.71

16.53313.213.82

16.533.713.415.03

16.535.513.615.04

173715.522.92

1737.114.619.1

1736.215.220.25

1739.313.714.52

1734.313.414.52

17.540.713.715.22

17.540.714.721.75

17.543.613.815.9

17.542.113.716.42

17.542.31521.99

1839.214.719.39

1846.51521.59

18.550.114.720.23

12.51513.614.68

12.515.81522.37

131614.419

1317.714.518.6

1317.515.223.49

1316.59.12.11

1316.38.83.12

13.5209.83.12

13.519.48.93.12

13.520.19.13.5

13.517.710.25.66

13.519.593.62

1421.58.93.66

1419.68.73.22

1421.99.13.49

14209.33.95

1419.99.23.9

14.52310.15.28

14.522.78.73.34

14.523.28.32.72

14.525.48.33.08

14.522.29.13.68

1524.89.23.91

1525.28.73.3

1525.593.65

1522.99.74.6

15.530.68.22.78

15.524.39.23.89

163410.15.34

1741.28.93.45

13198.93.54

1319.493.49

1317.39.13.52

1318.49.44.04

1317.98.32.95

13.519.98.22.77

13.519.59.44.4

13.519.79.24

13.5228.95.28

13.520.79.34.15

1423.28.43.12

1421.28.22.48

1422.78.83.27

1421.78.63.1

1421.39.64.46

14.522.39.23.94

14.522.37.31.89

14.5248.32.84

14.524.48.83.53

14.523.89.13.91

1523.8105.2

1524.68.32.98

1524.98.43.11

1630.68.53.06

1631.78.42.7

131993.71

13238.83.32

13209.33.81

13198.94.89

13.521.67.93.7

13.521.58.52.98

13.521.58.93.69

13.521.58.53.3

13.5208.32.85

1421.68.53.06

1422.11518.09

1421.216.123.43

1421.916.928.42

1421.61519.6

14.52513.513.14

14.52213.413.53

14.523.914.718.6

14.524.216.325.65

14.524.817.230.59

1526.315.622.43

1526.114.617.2

1524.615.522.3

1526.314.316.93

1426.614.718.7

1424.513.413.78

1425.316.126.14

1426.215.420.29

1424.615.119.36

14.525.614.116.21

14.526.412.611.75

14.527.816.327.48

14.527.315.620.76

14.52615.219.01

1527.814.918.53

1526.615.521.01

1528.413.716

1525.71519.65

152814.618.17

15.532.512.811.3

15.532.615.320.85

15.532.515.722.22

15.532.115.121.4

15.531.712.410.83

1636.21519.39

1638.318.333.48

1634.415.320.08

1635.612.711.68

16.53813.414.25

16.53815.319.68

1740.912.611.24

1738.615.420.63

17.542.714.818.85

1318.615.219.3

1319.515.319.59

13.520.613.915.74

13.523.215.120.1

13.521.514.517.29

13.522.811.69.47

13.522.414.516.52

1424.514.516.95

142016.222.7

1425.514.517.61

1423.512.19.57

1425.5129.47

14.525.1129

14.526.712.410.65

14.524.812.49.89

14.525.4129.39

14.525.112.510.17

1526.612.29.39

1529.912.310.09

1526.6129.31

1526.912.510.94

1525.412.510.8

1735.912.210.32

142612.410.94

1424.111.48

1426.411.88.93

1423.812.410.36

1426.511.98.39

14.526.312.210.03

14.524.911.27.79

14.524.512.510.67

14.527.112.510.57

14.524.811.38.17

1526.112.210.19

1525.712.710.61

1528.112.29.63

1529.312.612.32

152712.110.14

15.532.112.110.05

15.529.111.98.91

15.531.112.29.8

15.530.612.210.33

15.529.512.39.98

1634.711.88.51

1632.811.78.88

1632129.46

1631129.6

1633.212.410.82

13.519.411.99.42

13.52012.19.66

13.518.512.210.07

13.521.812.310.16

142311.47.7

1423.711.58.29

1425.610.66.75

1423.311.78.76

1423.512.410.97

14.523.212.511.25

14.52512.110.1

14.524.712.49.47

14.526.7

14.525.1

1527.2

1528.3

1528.9

1527.4

1526.2

15.528.5

15.529.5

1418.69

1418.54

1419.9

1420.02

1418.86

14.520.57

14.521.14

14.520.55

14.521.15

14.520.22

1521.42

1525.13

1523.76

1521.59

1523.01

15.526.65

15.525.14

15.528.44

15.528.92

15.527.2

1629.58

1630.22

1631.15

1629.8

1627.91

16.534.7

16.532.05

16.531.78

16.535.26

16.533.8

1734.77

1739

1736.03

1735.36

1734.73

17.536.87

17.543.66

17.540.1

17.546.45

17.547.57

1841.25

1844.85

1841.26

1847.9

1848.83

1212.46

1212.38

1211.61

1212.99

1212.83

12.514.82

12.512.82

12.513.61

12.514.85

12.513.84

1315.94

1316.22

1316.45

1314.63

1314.51

13.518.58

13.517.04

13.518.7

13.516.07

13.516.35

1421.07

1420.12

1420.09

1420.2

1419.9

14.525.32

14.522.6

14.523.1

14.523.38

14.525.21

1527.37

1529.77

1529.36

1526.88

1528.7

15.526.09

15.532.03

15.530.07

15.531.25

15.530.79

1633.66

1625.27

1632.48

1631.39

1632.25

1526.25

1525.3

1524.56

15.526.29

15.529.18

15.526.73

15.526.2

15.523.48

1629.42

1628.89

1633.25

1629.49

1629.46

16.532.2

16.534.21

16.532.16

16.533.33

16.533.69

1737.42

1733.99

1736.8

1734.5

1738.08

17.538.38

17.538.01

17.545.67

17.540.57

17.538.95

1839.76

1842.23

1838.75

1841.84

1839.6

18.550.34

18.547.02

18.554.29

1423.71

1421.65

1421.56

1420.3

1421.31

14.524.76

14.522.63

14.525.17

14.523.93

14.524.95

1523.08

1527.04

1526.47

1531.27

1531.37

15.530.14

15.531.52

15.531.44

15.532.14

15.536.72

1632.27

1636.13

1633.93

1632.47

1634.18

16.536.88

16.537.76

16.536.8

16.533.91

16.537.32

1415.42

1415.96

1420.13

1415.45

1415.9

14.517.7

14.519.06

14.516.21

14.522.28

14.519.59

1520.75

1524.3

1522.03

1521.2

1524.24

15.525.52

15.529.74

15.522.49

15.525.51

15.524.64

1626.62

1625.58

1630.26

1626.75

1630.07

16.530.86

16.529.81

16.530.62

16.531.18

16.533.99

1418.81

1422.55

1423.35

1420.99

1419.98

14.521.16

14.522.36

14.522.8

14.523.83

14.523.13

1529.35

1523.52

1524.2

1522.93

1522.66

15.532.74

15.529.5

15.525.12

15.528.3

15.528.49

1631.33

1632.02

1632.11

1631.99

1633.83

16.536.01

16.534.87

16.533

16.533.79

16.535.48

1421.28

1421.64

1421.67

1421.12

1420.83

14.524.79

14.521.2

14.521.59

14.522.76

14.523.38

1524.2

1524.73

1525.01

1523.05

1525.51

15.526.4

15.531.54

15.524.61

15.532.09

15.530.27

1632.77

1635.78

1633.99

1631.76

1635.47

16.536.78

16.536.07

16.534.84

16.537.41

1524.54

1524.12

1526.83

1527.07

1524.99

15.530.55

15.529.17

15.528.75

15.530.92

15.530.34

1631.63

1628.85

1631.38

1633.3

1633.66

16.531.69

16.532.51

16.533.27

16.535.2

16.534.26

1740.41

1744.41

1738.53

1741.58

1734.62

17.547.87

17.540.12

17.541.52

17.542.08

17.541.69

1845.48

1841.14

18.546.57

18.551.93

1316.23

1316.73

1315.79

1315.54

1315.33

13.519.59

13.519.24

13.519.16

13.518.46

13.517.99

1421.55

1422.47

1420.36

1420.96

1419.31

14.524.38

14.524.63

14.522.94

14.523.37

14.522.87

1524.62

1525.38

1523.45

1526.4

1526.96

15.527.64

15.533.13

15.533.08

15.525.93

15.527.34

LW za S i B

LT (cm)

W (g)

W = 0,0093 LT 3,1988r2 = 0,9005

starosna struktura u 2008

LT (cm)

W (g)

W = 0,0023 LT 3,1787r2 = 0,9767

0

10.1063829787

22.8723404255

27.6595744681

27.6595744681

7.4468085106

3.7234042553

0.5319148936

Age (year)

%

1.1

43.9

38.6

14.3

2.2

starost

%

Chart2

0.1571428571

10.0285714286

45

30.6571428571

12.1285714286

2.7

1.05

0.5

0.3

starost

%

Sheet1

iz stock size assesment of sardine na vpa-sinovcic

starostpostotak

01

110

211

330

417

515

69

75

83

N%2001200220032004200520062008sr.

01.10000000.1571428571

122.510.6124.110.93.86.310.0285714286

250.955.36151.841.927.626.545

320.2273039.729.838.829.130.6571428571

44.85.864.113.522.72812.1285714286

50.41.110.23.475.82.7

60.10.403.71.05

70.50.5

80.3

102.5214285714

99.999.911099.999.999.999.9

Sheet1

starost

%

Sheet2

starost

%

Sheet3

Razdoblje mrijetenjainunlokardasrdela golemapalamida

Kolebanje srednjih vrijednosti alometrijskog koeficijenta (b) srdele (A) i inuna (B) iz uzoraka lovina ostvarenih u hrvatskom dijelu Jadranskog mora. A)B)

Chart2

2.8843

2.3573

2.633

3.0923

3.2023

2.8393

3.1623

3.19883

3.35533

20003

Godine

b

Ulov S i B 47_08

GodUlov S (t)Ulov B (t)

19476107397

19487200558

194914507548

195014505652

19517826442

19527444552

19539267596

19545183844

195522971486

195647701931

195771021619

195893261231

19596111471

196094391038

1961108453063

196260602706

196350233140

196454284864

196594902225

196690624844

1967112077239

1968135194807

1969134983995

1970108722998

1971146743124

1972176042272

1973194311571

1974162022391

1975185962863

1976215592529

1977227641837

1978222442744

1979185122062

1980197042213

1981314872390

1982257312229

198340044945

1984356231342

1985327573248

198632856797

198738429408

198831910374

198933952315

199028205740

199115042696

199215194715

199312772555

19947105298

19956377359

19969199220

19976996544

199812500990

1999105003000

2000112263735

20019097.02850

2002126263187

2003122713341

2004163577473

2005165219504

20061695011850

20071690013200

20082119413054

Ulov S i B 47_08

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

Godina

Ulov (t)

b iz L-W 01_08

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

Godina

Ulov (t)

Sheet3

Godb(srdele)b (brgljuna)

120012.8842.9643

220022.3573.2923

320032.633.2663

420043.0922.5813

520053.2023.1393

620062.8393.1713

720073.1623.1253

820083.19883

20093.35533

20003

Sheet3

Godina

b

Godina

b

Godine

b

Chart3

2.9643

3.2923

3.2663

2.5813

3.1393

3.1713

3.1253

3.17873

3.59553

20003

Godina

b

Ulov S i B 47_08

GodUlov S (t)Ulov B (t)

19476107397

19487200558

194914507548

195014505652

19517826442

19527444552

19539267596

19545183844

195522971486

195647701931

195771021619

195893261231

19596111471

196094391038

1961108453063

196260602706

196350233140

196454284864

196594902225

196690624844

1967112077239

1968135194807

1969134983995

1970108722998

1971146743124

1972176042272

1973194311571

1974162022391

1975185962863

1976215592529

1977227641837

1978222442744

1979185122062

1980197042213

1981314872390

1982257312229

198340044945

1984356231342

1985327573248

198632856797

198738429408

198831910374

198933952315

199028205740

199115042696

199215194715

199312772555

19947105298

19956377359

19969199220

19976996544

199812500990

1999105003000

2000112263735

20019097.02850

2002126263187

2003122713341

2004163577473

2005165219504

20061695011850

20071690013200

20082119413054

Ulov S i B 47_08

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

Godina

Ulov (t)

b iz L-W 01_08

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

Godina

Ulov (t)

Sheet3

Godb(srdele)b (brgljuna)

120012.8842.9643

220022.3573.2923

320032.633.2663

420043.0922.5813

520053.2023.1393

620062.8393.1713

720073.1623.1253

820083.19883.17873

20093.35533.59553

20003

Sheet3

Godina

b

Godine

b

Duina prvog spolnog sazrijevanja (uee najnaprednijih stadija zrelosti gonada) srdele Sardina pilchardus.

Duina prvog spolnog sazrijevanja inuna Engraulis encrasicolus (uee najnaprednijih stadija zrelosti gonada).

Duina prvog spolnog sazrijevanja srdele goleme Sardinella aurita (uee najnaprednijih stadija zrelosti gonada).

Duina prvog spolnog sazrijevanja lokarde Scomber japonicus (uee najnaprednijih stadija zrelosti gonada).

Duina prvog spolnog sazrijevanja iglice Belone belone (uee najnaprednijih stadija zrelosti gonada).

Sezonska raspodjela ulova srdele tijekom nekoliko godina istraivanog razdoblja

Ulov srdele u hrvatskom dijelu Jadranskog mora.

Chart1

6107

7200

14507

14505

7826

7444

9267

5183

2297

4770

7102

9326

611

9439

10845

6060

5023

5428

9490

9062

11207

13519

13498

10872

14674

17604

19431

16202

18596

21559

22764

22244

18512

19704

31487

25731

40044

35623

32757

32856

38429

31910

33952

28205

15042

15194

12772

7105

6377

9199

6996

12500

10500

11226

9097

12626

12271

16357

16521

16950

16900

21194

Godina

Ulov (t)

Ulov S i B 47_08

GodUlov S (t)Ulov B (t)

19476107397

19487200558

194914507548

195014505652

19517826442

19527444552

19539267596

19545183844

195522971486

195647701931

195771021619

195893261231

19596111471

196094391038

1961108453063

196260602706

196350233140

196454284864

196594902225

196690624844

1967112077239

1968135194807

1969134983995

1970108722998

1971146743124

1972176042272

1973194311571

1974162022391

1975185962863

1976215592529

1977227641837

1978222442744

1979185122062

1980197042213

1981314872390

1982257312229

198340044945

1984356231342

1985327573248

198632856797

198738429408

198831910374

198933952315

199028205740

199115042696

199215194715

199312772555

19947105298

19956377359

19969199220

19976996544

199812500990

1999105003000

2000112263735

20019097.02850

2002126263187

2003122713341

2004163577473

2005165219504

20061695011850

20071690013200

20082119413054

Ulov S i B 47_08

Godina

Ulov (t)

b iz L-W 01_08

Godb(srdele)b (brgljuna)

120012.8842.964

220022.3573.292

320032.633.266

420043.0922.581

520053.2023.139

620062.8393.171

720073.1623.125

82008

Sheet3

Ulov inuna (brgljuna) u hrvatskom dijelu Jadranskog mora.

Chart2

397

558

548

652

442

552

596

844

1486

1931

1619

1231

1471

1038

3063

2706

3140

4864

2225

4844

7239

4807

3995

2998

3124

2272

1571

2391

2863

2529

1837

2744

2062

2213

2390

2229

945

1342

3248

797

408

374

315

740

696

715

555

298

359

220

544

990

3000

3735

2850

3187

3341

7473

9504

11850

13200

13054

Godina

Ulov (t)

Ulov S i B 47_08

GodUlov S (t)Ulov B (t)

19476107397

19487200558

194914507548

195014505652

19517826442

19527444552

19539267596

19545183844

195522971486

195647701931

195771021619

195893261231

19596111471

196094391038

1961108453063

196260602706

196350233140

196454284864

196594902225

196690624844

1967112077239

1968135194807

1969134983995

1970108722998

1971146743124

1972176042272

1973194311571

1974162022391

1975185962863

1976215592529

1977227641837

1978222442744

1979185122062

1980197042213

1981314872390

1982257312229

198340044945

1984356231342

1985327573248

198632856797

198738429408

198831910374

198933952315

199028205740

199115042696

199215194715

199312772555

19947105298

19956377359

19969199220

19976996544

199812500990

1999105003000

2000112263735

20019097.02850

2002126263187

2003122713341

2004163577473

2005165219504

20061695011850

20071690013200

20082119413054

Ulov S i B 47_08

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

Godina

Ulov (t)

b iz L-W 01_08

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

Godina

Ulov (t)

Sheet3

Godb(srdele)b (brgljuna)

120012.8842.964

220022.3573.292

320032.633.266

420043.0922.581

520053.2023.139

620062.8393.171

720073.1623.125

82008

ZAKLJUCI U uzorcima lovina istraivanog ribolovnog podruja obalnog i otvorenog mora hrvatskog dijela Jadrana u vrijeme istraivanja (1998. - 2009.) su izrazito prevladavale dvije vrste pelagike plave ribe: srdela i inun (75%). Najmanja je riba prevladavala u estuarijima, openito u priobalju, dok je najvea i najstarija riba bila zastupljenija na ribolovnim podrujima otvorenog mora. U tom je podruju i abundancija ovih dvaju najznaajnijih vrsta bila najvea - srdele tijekom jeseni a inuna tijekom ljeta, to je opasno za navedene populacije. U podruju i vremenu istraivanja su se sve pelagike vrste mrijestile - srdela, papalina i skua, donekle i iglica tijekom hladnijeg dijela godine, a brgljun, lokarda (plavica), srdela golema (zlatna) i palamida tijekom toplijeg dijela godine (primjena u zakonskim propisima-lovostaj). U isto su vrijeme lovine navedenih vrsta bile najobilnije, to je napovoljno za populaciju.

ZAKLJUCI Sve promatrane pelagike vrste riba su vrlo rano dosegle prvu spolnu zrelost: srdela i inun pri kraju prve godine ivota, pri duini od 8,0 odnosno 8,2 cm, srdela golema poetkom druge godine ivota, pri duini od 15,8 cm, iglica tijekom druge godine ivota (28,5 cm), skua i lokarda izmeu druge i tree godine ivota pri duinama od 28,4 cm (primjena u zakonskim propisima minimalne lovne duine). Rezultati istraivanja predstavljaju znaajnu osnovu za daljnja istraivanja praenja stanja u populacijama najvanijih pelagikih vrsta riba, to je posebno vano jer se ove riblje vrste nalaze na samom poetku hranidbenog lanca glavni su izvor hrane mnogim veim ribama, glavonocima, pticama i sisavcima. Vrlo su osjetljive na sve promjene u okoliu te na njih vrlo brzo reagiraju. Zbog izrazitih i vrlo brzih promjena u njihovim populacijama, a u svrhu provoenja odgovornog, odrivog i osmiljenog gospodarenja ovim znaajnim pelagikim vrstama, koje su najbrojnije i gospodarstveno najznaajnije, preporuuje se daljnje stalno praenje (biomonitoring) njihovih populacija.

Zahvaljujem!