Page 237 - Atlas Sea Birds Ver1
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Caspian Tern                                      Coega River saltpans
                                                                    Coordinates: 33.78 S; 25.67 E
                               Bar                                  Description: These commercial Saltpans are located near
                     Year      None     Chatty   Redhouse   Total   the mouth of the Coega River between the Port of Ngqura
                             saltpans  saltpans  saltpans           and the N2, within the Coega  Special  Economic  Zone
                                          No. of pairs              (Morant 2013). There are one or two small islands but most
                     2005                 47 b              47      of the seabird colonies have been on the berms between
                                                                    the pans in the middle to inland sections of the saltpans.
                     2006                          1 b       1      Conservation status: The saltpans are located within the
                     2007                          0 b       0      Coega Special Economic Zone and the long-term planning
                     2008                1 c       18 b     19      is for the Port of Ngqura to expand inland into the area cur-
                     2009 e     2                                   rently occupied by the saltpans. The Coega Open Space
                                                                    Management Plan protects  conservation-worthy areas
                     2010      28 d                         28      from development and includes the thicket vegetation on
                     2011 e              11                 11      the steep slopes on the east bank of the Coega River. The
                     2013 e     2         0         0        2      Addo  Elephant National  Park  Marine Protected  Area
                                                                    gazetted on 23 May 2019 covers much of Algoa Bay east
                     2016 e     40        1         1       42      of the Port of Ngqura below the high-water mark.
                     2020 e     0         0         0        0      Species and numbers breeding:
                     2021 e     0         0         0        0
                                                                    White-breasted Cormorant
                  a Martin and Randall (1987)
                  b Crawford et al. (2009)                               Year                No. of pairs
                  c Tree (2010)                                          2003 a                   7
                  d Tree (2011)                                          2004 a                  65
                  e AP Martin (unpubl.)
                                                                         2007 a                  105
                  Notes: 2016 was the last time large numbers of Caspian   2008 b                110
                  Terns nested in the Swartkops  Valley. From 2017  (Bar   2009 c                 0
                  None) and 2018 (Redhouse) pumping operations ceased
                  and the pans dried out.                                2010 c                   0
                                                                         2011 c                   0
                  Further Notes: Hartlaub’s Gulls were first seen in the Port   2012 c            1
                  Elizabeth  vicinity  in  1977  (Nicholls  1977). The  record  of
                  a pair of Hartlaub’s Gulls breeding at the Chatty saltpans   2015 c             3
                  in 1982 was the first for this species in the Eastern Cape   2016 c             3
                  (Crawford et al. 2009). In this vicinity it also formed hybrid   a
                  pairs with Grey-headed Gulls (Crawford et al. 2009).  b Crawford et al. (2009)
                                                                     Crawford et al. (2013)
                     Grey-headed Gulls were present in the Port Elizabeth   c Martin AP (unpublished information)
                  area in 1951 but were considered to be uncommon until the
                  late 1960s (Skead 1967, Crawford et al. 2009). The first re-   Notes:  The  large  colonies were  located  on the  berms
                  cords of breeding by this species in the Eastern Cape were
                  at Fishwater Flats in 1979 (Hosten 1981) and on the small   between the saltpans. It is thought that Caracal (Caracal
                                                                    caracal)  and/or  Black-backed  Jackal  (Canis mesomelas)
                  island at Redhouse Saltpan in 1982 (Randall and Hosten  disturbed the colony, causing it to be abandoned. The three
                  1983). The 834 pairs of Grey-headed Gulls breeding in the   nests in 2015  and  2016 were on the top of wooden
                  Swartkops River valley in 2022 was > 90% of the overall   electricity pylons in the water and on an old brick structure
                  population in the Benguela upwelling ecosystem (Crawford
                  et al. 2024).                                     in  the  middle  of  one of  the pans, where  the nests were
                                                                    inaccessible to terrestrial predators.
                                                                    Kelp Gull
                                                                          Year                 No. of pairs
                                                                          2003 a                  30
                                                                          2007 a                  97
                                                                          2008 b                  124
                                                                          2009 b                  176
                                                                          2010 c                  243
                                                                          2011 c                  148
                                                                          2012 c                  174

                  Coega saltpans (photo AP Martin)





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