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Suggett, D.J. & Houghton, J.D.R. 1998. Possible link between sea turtle bycatch and flipper tagging in Greece. Mar. Turtle Newsl., 81: 10-11.

Taskavak, E. & Farkas, B. 1998. On the occurrence of the leatherback turtle, Dermochelys coriacea, in Turkey. Zool. Middle East., 16: 71-75.

Taskin, N. & Baran, I. 2001. Reproductive ecology of the loggerhead turtle, Caretta caretta, at Patara, Turkey. Zool. Middle East, 24: 91-100.

Tomás, J., Guitart, R., Mateo, R. & Raga, J.A. 2002. Marine debris ingestion in loggerhead sea turtles Caretta caretta, from western Mediterranean. Marine Pollution Bull., 44: 211-216.

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ANNEXES

ANNEX 1

Loggerhead distribution maps, nesting areas, habitats and migration

Figure 1. General migratory paths for marine turtles in the Atlantic Ocean

Figure 2. Main loggerhead nesting areas (Source: Margaritoulis et al., 2003)

Figure 3. Loggerhead pelagic and demersal habitats in the Mediterranean
(Source: Margaritoulis et al., 2003)

Figure 4. Recoveries of immature loggerheads tagged in Italy
(Source: Margaritoulis et al., 2003)

Figure 5. Recoveries of loggerhead inside and outside the Mediterranean
(Source: Margaritoulis et al., 2003)

Figure 6. Loggerhead migratory model in the western Mediterranean and contiguous Atlantic waters
(Source: Camiñas and De la Serna, 1995)

ANNEX 2

Loggerhead biological parameters in the Mediterranean population
(from Margaritoulis et al., 2003)

Table 1. Annual nesting effort in Cyprus (derived from monitoring projects)

Nesting area

Number of seasons

Number of nests/season

Average

Min

Max

Akrotiri/Episkopi

6

22.7

10

32

Chrysochou Bay

5

119.8

109

152

Northern beaches

7

372.0

245

519

Western beaches

7

57.1

40

72

TOTAL


571.6

404

775

Table 2. Annual nesting effort in Greece (mostly derived from monitoring projects)

Nesting area

Number of seasons

Number of nests/season

Average

Min

Max

“Major” areas






Kyparissia Bay, Peloponnisos

16

580.7

286

927

Bay of Chania, Crete

6

114.9

77

192


Lakonikos Bay, Peloponnisos

7

191.9

107

239


Rethymno, Crete

8

387.3

315

516


Zakynthos (Bay of Laganas)

16

1286.0

857

2018

“Moderate nesting” areas






Beaches adjacent to Kyparissia

2

64.0

60

68

Bay of Messara, Crete

8

53.5

15

80

Ipirus coasta

1

40.0

40

40


Kefallonia (Mounda beach)

6

28.8

17

45


Kerkyraa

1

20.0

20

20


Koroni

5

55.0

35

66


Kosa

1

60.0

60

60


Kotychi

3

50.3

32

80


Lefkasa

1

50.0

50

50


Rhodes

5

10.6

4

21


Romanos

3

22.3

17

30


Southeast Peloponnisos (including Kythira)a

1

20.0

20

20

TOTAL


3035.3

2012

4472

a Estimation after a number of surveys in one season.

Table 3. Annual nesting effort in Turkey (derived from monitoring projects)

Nesting area

Number of seasons

Number of nests/season

Average

Min

Max

Akyatan

4

15.3


1

Anamur

2

191.0


187

Belek

3

129.7


68

Cirali (Olympos)

1

34.0


34

Dalaman

1

73.0


73

Dalyan

9

165.0


52

Demirtas

1

98.0


98

Fethiye

7

124.1


88

Gazipasa

1

110.0


110

Göksu delta

5

64.6


36

Kale

1

39.0


39

Kizilot

4

107.2


50

Kumluca

2

162.5


75

Patara

6

52.5


33

TOTAL


1365.9


944

Table 4. Overall nesting effort in the Mediterranean (derived from monitoring projects)

Country

Number of nests/season

Source

Average

Min

Max

Cyprus

571.6

404

775

Table 1

Greece

3035.3

2012

4472

Table 2

Israela

32.7

10

52

c

Tunisia (Kuriat islands)b

10.2

5

15

d

Turkey

1365.9

944

1771

Table 3

TOTAL

5015.7

3375

7085


a Data over seven seasons.
b Data over four seasons.
c Kuller 1999; Z. Kuller, personal communication.
d Bradai 1996.

Table 5. Carapace measurements of nesting females (in cm)a

Country, area

Number of seasons

Range of means

Range of individual values

Range of sample size

Straight length





Greece, Kefallonia

5

76.8-80.1

63.5-87.0

11-15

Greece, Kyparissia Bay

3

78.6-79.1

66.0-95.0

13-97

Greece, Zakynthos

3

78.3-79.2

68.5-90.0

195-343

Libya

1

78.7

62.3-83.2

9

Turkey, Dalyan

1

73.1

60.2-83.9

49

Turkey, Fethiye

1

73.2

66.0-87.5

22

Turkeyb

1

72.0

58.0-87.0

58

Straight width





Greece, Kefallonia

5

57.1-59.2

45.0-77.0

11-15

Greece, Kyparissia Bay

3

59.1-59.4

46.0-72.0

12-99

Greece, Zakynthos

3

58.6-59.3

49.0-68.5

194-343

Turkey, Dalyan

1

53.5

46.8-62.3

49

Turkey, Fethiye

1

54.4

47.5-65.5

22

Turkeyb

1

52.0

43.0-67.0

58

Curved length





Cyprus, Alagadi

8

71.1-77.9

64.5-90.0

6-39

Cyprus, western beaches

20

66.5-79.8

60.0-90.0

2-11

Greece, Kefallonia

5

81.6-84.7

71.9-93.0

11-15

Greece, Kyparissia Bay

3

83.1-83.8

70.0-99.0

28-101

Greece, Lakonikos Bay

2

84.1-84.6

78.0-92.0

11-12

Greece, Zakynthos

4

82.7-83.8

70.0-96.5

146-345

Libya

1

78.0

71.0-86.3

11

Tunisia

1

79.7

73.0-85.0

3

Turkey, Fethiye

1

77.3

68.0-91.0

27

Turkeyb

1

76.0

63.0-91.0

58

Curved width





Cyprus, Alagadi

8

63.8-68.2

54.5-82.0

6-39

Cyprus, western beaches

20

50.0-69.8

50.0-77.0

2-11

Greece, Kefallonia

5

71.3-76.2

52.0-79.0

11-15

Greece, Kyparissia Bay

3

73.9-75.2

57.0-88.0

27-102

Greece, Zakynthos

4

73.5-74.6

60.0-87.0

35-345

Turkey, Fethiye

1

69.2

61.0-79.0

27

Turkeyb

1

68.0

50.0-79.0

58

a Lengths measured from notch to tip and widths at the widest point.
b Anamur, Fethiye, Göksu, Kale, Kizilot, Kumluca.

Table 6. Mass and diameter of eggs

Country, area

Number of seasons

Range of means

Range of individual values

Range of sample size

Mass (g)






Cyprus, western beaches

2

26.9-31.9

22.8-36.5

13-30

Cyprus, Alagadi

1

32.4

26.4-38.6

12


Greece, Zakynthos

1

29.8

23.0-35.4

45


Turkey, Dalyan

1

27.5

15.9-36.5

173

Diameter (mm)






Cyprus, western beaches

2

38.0-38.6

34.9-40.2

13-26

Cyprus, Alagadi

1

37.4

32.9-39.6

12


Greece, Kefallonia

5

36.1-38.9

27.0-42.6

12-30


Greece, Zakynthos

1

36.7

33.0-41.9

45


Turkey, Akyatan

1

34.5

31-37

15


Turkey, Dalyan

1

37.0

33.0-41.0

65


Turkeya

1

40.4-42.1b

37.0-45.0

20

a Cirali, Gazipasa, Kumluca.
b Range of means per beach.

Table 7. Renesting interval (in days) calculated from subsequently observed nestings of same individuals

Country, area

Number of seasons

Range of means

Range of individual values

Range of sample size

Cyprus, Alagadi

7

12.7-13.7

10-18

7-34

Greece, Kefallonia

4

15.8-17.0

13-20

9-20

Greece, Kyparissia Bay

2

15.2-19.3

12-24

6-14

Greece, Rethymno

1

13.6

12-18

17

Greece, Zakynthos

9

14.6-19.9

11-28

14-181

Turkey, Fethiye

1

16.2

12-34

6

ANNEX 3

Green turtle distribution maps, nesting areas, habitats and migration

Figure 1. Major green turtle nesting areas in Turkey (Source: Kasparek, 2003)

Figure 2. The tracks of green turtles migrating away from Cyprus at the end of the nesting season in a) 1998 (n = 3; turtles A-C) and b) 1999 (n = 3; turtles D-F). For the tracks of individual F, the end of the initial route is denoted by x with the subsequent part of the line being that necessary to complete the route based upon fixes obtained after 21 days with no fixes (Source: Godley et al., 2002)

Table 1. Mediterranean green turtle movements to foraging areas

Location

Individual


A

B

C

D

E

F

Cyprus

Duration (h)

37.0

(18.8)

95.0

(16.1)

82.9

(14.0)

59.1

(5.9)

91.0

(16.8)

95.7

(9.1)

Distance (km)

21.8

(6.8)

141.1

(11.2)

154.0

(12.2)

149.5

(6.8)

120.8

(11.9)

181.9

(8.6)

Spend (km h-1)

0.6


1.5


1.8


2.5


1.3


1.9


Open sea

Duration (h)

60.1

(30.6)

203.5

(34.4)

173.0

(29.3)

244.8

(24.5)

212.1

(39.1)

179.7

(17.1)

Distance (km)

162.9

(50.5)

651.3

(51.5)

530.6

(42.2)

802.5

(36.5)

464.1

(45.8)

448.9

(21.1)

Speed (km h-1)

2.7


3.2


3.1


3.3


2.2


2.5


Straightness index

0.99


0.94


0.977384


0.75


0.89


0.97


Coastal

Duration (h)

99.5

(50.6)

292.6

(49.5)

334.3

(56.6)

694.0

(69.5)

239.7

(44.2)

776.2

(73.8)

Distance (km)

137.9

(42.7)

471.5

(37.3)

572.9

(45.6)

1247.6

(56.7)

428.1

(42.3)

1494.7

(70.3)

Speed (km h-1)

1.4


1.6


1.7


1.8


1.8


1.9


Overall

Duration (h)

196.6


591.1


590.2


997.9


542.8


1051.6


Distance (km)

322.6


1263.9


1257.5


2199.6


1013.0


2125.5


Speed (km h-1)

1.6


2.1


2.1


2.2


1.9


2.0


Minimum distance km


274.0


1035.6


1019.7


1704.0


692.0


1730.9


Distance (% increase)


17.7


22.0


23.3


29.1


46.4


22.8


Source: Godley et al., 2002

NOTE: Summary statistics of movements to foraging areas. For each individual (A-F) summary statistics - duration (h), minimum distance (km) and resultant average speed (km/h-1) - are given for each of the three stages of movement: through Cyprus coastal waters, across the open sea and during subsequent coastal travelling. Numbers in parentheses are the proportion of time and distance constituted by each stage. In addition, the total duration, distance and overall speed for travel is given, as well as the minimum distance that the journey would have been should the open-ocean crossing have been direct from Cyprus to the endpoint. The resultant increase in distance (percent) over the minimum feasible bee-line route as a result of the coastal phase is given.

ANNEX 4

Nesting parameters of the Mediterranean green turtle population

Table 1. Mean number of green turtle nests per season

Nesting site

Mean no. of nests/season (range)

No. of years surveyed

Mean no. of nesting females/year (range)

Cyprus





North

297 (135-461)

8

96-102 (44-159)


South

75* (73-78)


25 (25-25)

Israel

5 (0-13)

8

1-2 (0-5)

Turkey





Akyatan

429 (179-735)

5

138-148 (58-253)


Göksu

12 (3-20)

4

3-4 (0-7)


Kazanli

265 (128-216)

3

53-57 (41-74)


Samandag

64 (21-126)

3

20-22 (7-43)

Total

1047 (539-1622)


339-360 (175-567)

* Nesting data is not available for southern Cyprus; this figure is based on an estimate of 25 nesting females (Demetropoulos and Hadjichristophorou, 1989)

Source: Broderick et al., 2002

Table 2. Mediterranean green turtle nesting population in Turkey and Cyprus

Country

Beach region

Mean nests p.a.

Nesting females p.a

Recent hatchings success

Protective status

Turkey

Kazanli

109

30

Low

None

Akyatan

297

85

Very low

Good but...

Samandag

64

18

Low

None

Cyprus

S. Karpas

64

18

High

None

N. Karpas

104

30

High

None

Alagadi

68

15

High

(SPA)

W. Coast

55

16

High

None

Akamas

75

21

(High)

Threatened

All other remaining “populations”are extremely small, i.e., Turkey: Belek, Göksu Delta; Lebanon: Palm Island, Tyre, Mansouri (further quantitative field survey is required); Israel: Hadera/Netanya, Ashgelon

Source: Corbett and Kasparek, 2003


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