State of the Bay Report 2011-Final.pdf - Anchor Environmental

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State of Saldanha Bay & Langebaan Lagoon 2011 Birds Taxon Occurrence in Saldanha Bay Origin Vector Pinauay ralphi Likely North Atlantic SF/BW Laomedea calceolifera Likely North Atlantic SF/BW Gonothyraea loveni Likely North Atlantic SF/BW Obelia bidentata Confirmed Unknown SF/BW Obelia dichotoma Confirmed Unknown SF/BW Obelia geniculata Confirmed Unknown SF/BW ANNELIDA Polychaeta Boccardia proboscidea* Likely Eastern Pacific SF/BW Capitella sp. / spp. complex Likely Unknown SF/BW Polydora hoplura Confirmed Europe SF/BW Dodecaceria fewkesi Likely North American Pacific SF/BW Hydroides elegans Likely Indo-Pacific SF/BW Neodexiospira brasiliensis Likely Indo-Pacific SF/BW Janua pagenstecheri Likely Europe SF/BW Simplicaria pseudomilitaris Likely Unknown SF/BW CRUSTACEA Cirripedia Balanus glandula Confirmed North American Pacific SF/BW Isopoda Dynamene bidentata Likely Europe SF/BW Paracerceis sculpta Likely Northeast Pacific SF/BW Synidotea hirtipes Confirmed Indian Ocean SF/BW Synidotea variegata Confirmed Indo-Pacific SF/BW Ligia exotica Confirmed Unknown SB Limnoria quadripunctata Confirmed Unknown SB Limnoria tripunctata Confirmed Unknown SB Amphipoda Chelura terebrans Confirmed Pacific Ocean SF/SB Ischyrocerus anguipes Confirmed North Atlantic SF/BW Erichthonius brasiliensis Confirmed North Atlantic SF/BW Cymadusa filosa Likely Unknown BS Caprella equilibra Confirmed Unknown SF/BW Caprella penantis Confirmed Unknown SF/BW Paracaprella pusilla Confirmed Unknown SF/BW Jassa marmorata Likely North Atlantic SF/BW Jassa slatteryi Confirmed North Pacific SF/BW Orchestia gammarella Confirmed Europe BS North American Cerapus tubularis Confirmed Atlantic BS Decapoda Carcinus maenas Confirmed Europe INSECTA SF/BW/O R 236 ANCHOR e n v i r o n m en t a l
State of Saldanha Bay & Langebaan Lagoon 2011 Birds Taxon Coleoptera Occurrence in Saldanha Bay Origin Vector Cafius xantholoma Likely Europe BS MOLLUSCA Gastropoda Littorina saxatilis Confirmed Europe BS Catriona columbiana Likely North Pacific SF/BW Tritonia nilsodhneri Likely Europe SF/BW Kaloplocamus ramosus Likely Unknown SF/BW Thecacera pennigera Likely Unknown SF/BW Anteaeolidiella indica Confirmed Unknown SF/BW Bivalvia Mytilus galloprovincialis Confirmed Europe SF/BW Ostrea edulis Confirmed Europe m Teredo navalis Likely Europe SB Lyrodus pedicellatus Likely Unknown SB Bankia carinata Likely Unknown SB Bankia martensi Likely Unknown SB Dicyathifer manni Likely Unknown SB Teredo somersi Likely Unknown SB BRACHIOPODA Discinisca tenuis Confirmed Namibia M BRYOZOA Watersipora subtorquata Confirmed Caribbean SF Bugula neritina Confirmed Unknown SF Bugula flabellata Confirmed Unknown SF Conopeum seurati Confirmed Europe SF Cryptosula pallasiana Confirmed Europe SF CHORDATA Ascidiacea Ascidia sydneiensis Likely Pacific Ocean SF Ascidiella aspersa Likely Europe SF Botryllus schlosseri Confirmed Unknown SF Ciona intestinalis Confirmed Unknown SF Clavelina lepadiformis Confirmed Europe SF Cnemidocarpa humilis Likely Unknown SF Corella eumyota Confirmed Unknown SF Diplosoma listerianum Confirmed Europe SF Microcosmus squamiger Likely Australia SF Tridemnun cerebriforme Confirmed Unknown SF RHODOPHYTA Schimmelmannia elegans Likely Tristan da Cunha BW Antithamnionella ternifolia Likely Australia SF/BW Antithamnionella spirographidis Confirmed North Pacific SF/BW 237 ANCHOR e n v i r o n m en t a l
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Saldanha Bay and Langebaan Lagoon:
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State of Saldanha Bay & Langebaan L
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Jul-05 Sep-05 Nov-05 Jan-06 Mar-06
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Average Daily Flow (m3/day) Apr-03
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Average daily flow (m 3 /day) Faeca
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Ammonia Nitrogen (mg/l as N) Nitrat
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Volume of Effluent (kL) Jan-01 Mar-
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Mussels Oysters Abalone Scallops Re
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Cadmium (mg/kg) Lead(mg/kg) Mercury
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Beach Width (m) State of Saldanha B
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Copper (mg/kg) Copper (mg/kg) Coppe
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No. saltmarsh patches Saltmarsh are
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Top 10 species contributing to simi
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Proportion of total number of indiv
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Afrolittorina knysnaensis (no/0.5 m
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Similarity Iron Ore Jetty Iron Ore
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Lynch Point State of Saldanha Bay &
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Page 229 and 230: Number of species State of Saldanha
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Page 265 and 266: Number of birds 1976 1977 1978 1979
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Page 275 and 276: No. sites Abundance (no. ind. m -2
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