Southern Fleurieu Coastal Action Plan and Conservation Priority Study 2007
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ISBN-10 1 921238 77 1 ISBN-13 978 1 921238 77 2 'FI<#E=FID8K@FE "OLNB?LCH@ILG;NCIH;<IONNB?/IONB?LH"F?OLC?OI;MN;F=NCIH,F;H;H>,LCILCNS/NO>SCH=FO>CHA=IJC? MI@NB? L?JILN;H> .+)=;H<?I<N;CH?>@LIGNB?I;MN !MNO;LS;H>);LCH?+@@C=?L@ILNB?/IONB?LH"F?OLC?O ,?HCHMOF; >?F;C>?)IOHN(I@NS.;HA?M*;NOL;F.?MIOL=?);H;A?G?HNI;L> CMNLC=NIOH=CFI@5;HE;FCFF; CNSI@ 2C=NIL$;L<IL F?R;H>LCH; !G;CF);LSFC=?;FF;HNCH?S;HE;FCFF; M; AIP ;O )I<CF? 3ILE ";R >>L?MM,+IR 5;HE;FCFF; "OLNB?LCH@ILG;NCIH=;H;FMI<?I<N;CH?><S=IHN;=NCHANB?I;MN;F,LIN?=NCIHL;H=B ?J;LNG?HN@IL !HPCLIHG?HN;H>$?LCN;A? #,+IR >?F;C>? /IONBOMNL;FC; FM<I*?FKF:BEFNC<;>D<EKJ=IFDKFGC<=K@E:CF:BN@J<FI;<I 2C=NIL$;L<IL%HN?LNC>;F.??@<SFCMIH!;NIH (;H>M!H><SFCMIH!;NIH I;MN;F,LIN?=NCIHL;H=B !$ ??JL??EIHM?LP;NCIH,;LE<SFCMIH!;NIH I;MN,LIN?=NCIHI;L> )?8=854G78ABDCDB<S.IH/;H>?L=I=E I;MN;F,LIN?=NCIHL;H=B !$ $II>?>,FIP?L<S/B;LIH#CFF;G 8:BFM<I*?FKF:BEFNC<;>D<EKJ=IFDKFGKF9FKKFD )OLL;S)IONB<SFCMIH!;NIH I;MN,LIN?=NCIHI;L> *ILG;HPCFF? OH?MI;MN;F2?A?N;NCIH<S);LSL;Q@IL> -FLK?<IE C<LI@<LF8JK8C:K@FE*C8E8E;*I@FI@KP-KL;PGL9C@J?<;9P TABLE OF CONTENTS ACKNOWLEDGMENTS.........................................................................................................I EXECUTIVE SUMMARY.......................................................................................................II 1 INTRODUCTION......................................................................................................1 1.1 Purpose of the Study .........................................................................................................................1 1.2 Definition of the Southern Fleurieu Coast .......................................................................................1 1.3 Definition of Coastal Cells.................................................................................................................2 1.3.1 Action Summary Table ................................................................................................................................................ 3 2 DESCRIPTION OF THEMES AND DATABASES.................................................15 2.1 Conservation Layers........................................................................................................................16 2.1.1 Communities and Species with Threatened Status ................................................................................................... 16 2.1.2 Endemic Species and Communities; Biodiversity...................................................................................................... 19 2.1.3 Significant Bird Habitats of the Fleurieu Peninsula .................................................................................................... 20 2.1.4 Significant Reptiles and Amphibian Habitats in Southern Fleurieu ............................................................................ 21 2.1.5 Significant Butterfly Habitats of the Southern Fleurieu............................................................................................... 23 2.1.6 Focal Species Within the Southern Fleurieu.............................................................................................................. 23 2.1.7 Fragmentation and Isolation of Remnant Vegetation Communities ........................................................................... 24 2.1.8 Heritage..................................................................................................................................................................... 25 2.2 Threatening Processes Layers .......................................................................................................26 2.2.1 Acid Sulphate Soils ................................................................................................................................................... 26 2.2.2 Campsites ................................................................................................................................................................. 26 2.2.3 Development Potential .............................................................................................................................................. 26 2.2.4 Dump and Wastewater Processing Sites................................................................................................................... 26 2.2.5 Dune Stability ............................................................................................................................................................ 27 2.2.6 Cliff Stability .............................................................................................................................................................. 27 2.2.7 Land Ownership ........................................................................................................................................................ 27 2.2.8 Land Use................................................................................................................................................................... 27 2.2.9 Mining Activities......................................................................................................................................................... 27 2.2.10 Vegetation Isolation................................................................................................................................................... 28 2.2.11 Vegetation Degradation............................................................................................................................................. 28 2.2.12 Vegetation Patch Shape............................................................................................................................................ 28 2.2.13 Vegetation Patch Size ............................................................................................................................................... 28 2.2.14 Viewshed Analysis .................................................................................................................................................... 28 2.2.15 Viewscape Analysis................................................................................................................................................... 29 2.2.16 Distribution of known environmental weeds............................................................................................................... 29 2.3 Method Of Rating Priority................................................................................................................29 2.3.1 Using Desktop GIS Analysis to Highlight Conservation Priorities Within This Study.................................................. 29 2.4 GIS Datasets Table...........................................................................................................................30 2.5 Variation of Data Coverage Between Coastal Cells......................................................................38 3 CONSERVATION THEMES ..................................................................................43 3.1 Flora ..................................................................................................................................................43 3.1.1 Native Vegetation Cover............................................................................................................................................ 43 3.1.2 Floristic Communities ................................................................................................................................................ 44 3.1.3 Saltmarshes ............................................................................................................................................................. 58 3.1.4 Coastal Plant Species ............................................................................................................................................... 60 3.2 Birds ..................................................................................................................................................63 3.2.1 Bush Birds ...............................................................................................................................................................