Page 39 - Atlas Sea Birds Ver1
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A  Hawksbill  Turtle  that  was  captured  by  fishing  gear  being  re-
                  An Olive Ridley Turtle nesting in the Palmeirinhas region (photo   leased in the Soyo region (photo Filipe Muabi, Projecto Kitabanga)
                  Michel Morais, Projecto Kitabanga)
                  Population sizes and trends

                  Records and counts of turtles and their nests on the coast   overall sizes and trends of populations of these species in
                  of Angola were scarce and sporadic until 2003. From that   Angola to be estimated.
                  date onwards, with the  implementation  of  the  Kitabanga   No assessments of numbers of Loggerhead and Hawks-
                  Project, systemic monitoring of the Palmeirinhas region be-   bill turtles in Angola were made because during extensive
                  gan, which later extended to other latitudes (Figure 1). This   monitoring conducted over the past 20 years only a sin-
                  provided insight into densities and trends of Leatherback,   gle nesting of C. caretta was observed in the region and
                  Green and Olive Ridley turtles at different localities along   breeding by E. imbricata in Angola has yet to be confirmed.
                  the coast of Angola. Extensive ground and aerial surveys,  Aside from the single nesting record some observations of
                  outside the regularly monitored localities (Figure 1), provid-   C. caretta were made at sea and some E. imbricata were
                  ed important supplementary information that enabled the   caught in fishing gear, especially juveniles (Morais 2015).


                                                  Average nest density / km (2003/2021)
                               0,00  0,50  1,00  1,50  2,00  2,50   0,00  0,20  0,40  0,60  0,80  1,00   0   40   80   120  160   200
                    Praia dos Pobres 0,00                      0,00                                       122
                     Soyo          0,16                        0,03                                59
                     Musserra         0,50                     0,00                                63

                     Kissembo              0,03                        0,33                              133
                     Dande        0,00                         0,00                          9
                     Palmeirinhas                      2,30    0,00                             35
                     Cuanza         0,29                       0,00                                            166
                   Nests sites
                     Sangano          0,47                     0,00                            29
                     Cabo Ledo    0,00                         0,00                            28
                     Longa                     1,33             0,01                                           155
                     Caxiva       0,00                         0,00                                 67

                     Cuio                  0,90                  0,09                          20
                     Farol        0,00                                         0,67               51
                     Bentiaba         0,46                              0,39                     36
                     Furado       0,00                         0,00                            28
                                                      A                            B                             C
                     Pipas        0,00                                0,29                    12

                  Figure 3. Average number of nests per kilometer at different nesting sites along the Angolan coast for (A) Leatherback, (B) Green, and
                  (C) Olive Ridley turtles (breeding site locations are shown on Figure 1)



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