Page 142 - Atlas Sea Birds Ver1
P. 142

Flaminkvlei                                         1991                         0         9
                  Coordinates: 32.7823 S, 18.1449 E
                  Description: Marsh land on the lower reaches of the Berg  1992                   0
                  River at Velddrif.                                  1993             300         0        18
                  Conservation status: It is not protected but falls within the  1994              0        23
                  Berg River Estuary IBA (Marnewick et al. 2015).     1995                         0
                  Species and numbers breeding: Two pairs of Kelp Gull
                  bred there in 2013 (Whittington et al. 2016).       1996                         0
                                                                      1997                         0
                  Saltworks on the lower Berg River                   1998                         0
                  Coordinates:  Cerebos  32.7971 S, 18.1666  E; Kuifkop   1999                     0
                  32.8098 S, 18.1956 E; Kliphoek  32.8319 S, 18.1993  E
                  Description:  Three  saltworks  on  the  lower  Berg  River   2000               0
                  before  it reaches  Velddrif.  Birds nested  between  and  on   2001             0
                  islands in salt pans. In 1979, Caspian Terns nested on a  2002                   0
                  small,  sparsely-vegetated  island  (Hockey  and  Hockey  2003       207         0
                  1980). The wetland is an important breeding locality for this
                  species in South Africa (Velasquez et al. 1990).    2004              83        101
                     Substantial numbers of Great White Pelican occur regu-   2005      25        69
                  larly on the lower Berg River, which is a key foraging and   2006     0          0
                  roosting area for  the Dassen Island breeding  population
                  during their non-breeding season (Marnewick et al. 2015).   2007      0          0         0
                  Approximately  250  bird  species  have  been  recorded  on   2008     0         0
                  and adjacent to the lower Berg River,  127 of which are   2009  67    0          0
                  waterbirds. The most important habitats for foraging birds   2010  82  0         0
                  are the estuarine mudflats and ephemeral floodplain pans,
                  while the main breeding habitats are the riparian marsh-   2011  44   0          0
                  es and the commercial salt pans. On average, more than  2012  48      63         3         0
                  12,000  non-passerine  waterbirds occur  at  the estuary in   2013  46  0        0         0
                  summer and 6,000 in winter. In combination, the estuary
                  and  floodplain  regularly  support  more  than  20,000  birds   2014  43  0     0         0
                  (Marnewick et al. 2015).                            2015              0          0         0
                  Conservation status: The saltworks fall within the Berg   2016  33    0          0         0
                  River Estuary IBA (Marnewick et al. 2015). However, they   2017                  0        14
                  are not protected although access is restricted. The princi-
                  pal threat to this estuary stems from inadequate water flow   2018  2  0         0        55
                  volumes and an unnatural flow regime of fresh water com-   2019                  0
                  ing down the Berg River from its catchment, due to high   2020                   0        21
                  levels of water abstraction along the river’s course and to
                  the Berg River Dam (Marnewick et al. 2015). A draft plan   Note: The saltworks have supported up to 13% of South
                  for management of the estuary by Cape Nature was drawn   Africa’s population of Caspian Tern (Marnewick et al. 2015).
                  up.
                  Species and  numbers breeding:  Kelp and Hartlaub’s   Hannas Bay rock
                  gulls and Greater Crested and Caspian terns. Maxima ob-   Coordinates: 32.7521 S, 18.0205 E
                  served were 82 pairs of Kelp Gull in 2010, 600 pairs of   Description: A rock offshore of Hannas Bay village, which
                  Hartlaub’s Gull in 1989, 101 pairs of Greater Crested Tern   is on the coast of St Helena Bay.
                  in 2004 and 55 pairs of Caspian Tern in 2018. Details of   Conservation status: The rock is not protected.
                  numbers of pairs breeding in different years are shown on   Species and numbers breeding: Bank and White-breast-
                  the following table.                              ed cormorants have bred on the rock. Numbers of pairs of
                                                                    these species nesting in different years are shown on the
                                              Greater               following table.
                            Kelp   Hartlaub's           Caspian
                    Year                      Crested
                            Gull     Gull                Tern                      Bank          White-breasted
                                               Tern                     Year     Cormorant         Cormorant
                    1973     1
                    1977              174                              2018         12                20
                    1979                                  15           2019          6                 9
                    1981                                   6           2020          3
                    1984                         2                     2021                           13
                    1987     30       12         0         1
                    1988     65       142        0        32        Sandy Point
                    1989     26       600        1         9        Coordinates: 32.7467 S, 18.0098 E
                    1990                         0        30        Description: A purse-seine fishing harbour and factory in
                                                                    St Helena Bay.



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