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parks victoria technical series marine natural values study vol 2 ...

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Parks Victoria Technical Series No. 79<br />

Flinders and Twofold Shelf Bioregions Marine Natural Values Study<br />

Species distribution information<br />

An assessment of distribution, endemism and rarity of biota across the state found that<br />

Beware Reef MS had no known endemic or rare biota (O'Hara and Barmby 2000; O’Hara<br />

and Poore 2000).<br />

Fifteen biota have been recorded or presumed to be at their distributional limit in Beware<br />

Reef MS (Table 32, O'Hara and Barmby 2000; O’Hara and Poore 2000; Plummer et al.<br />

2003). One red algae has been recorded as being at the easterly limit of its distribution at<br />

Beware Reef MS (Table 32). Five algae and six invertebrates are presumed to be at their<br />

eastern limit of their distribution in the Beware Reef MS. Two chitons and one sea urchin are<br />

presumed to be at their western limit of distribution. The distributional limits of the biota listed<br />

in Table 32 may reflect collection effort in this area rather than actual Victorian distributions.<br />

Many areas of the Victorian coast have never been sampled and therefore biota ranges may<br />

be much greater than those suggested.<br />

Table 32. Marine species at their distribution limits in Beware Reef MS (O'Hara 2002).<br />

Order Family Species Common Category<br />

name<br />

Laminariales Lessoniaceae Macrocystis pyrifera brown algae PE<br />

Sphacelariales Stypocaulaceae Phoiocaulon foecundum brown algae PE<br />

Sporochnales Sporochnaceae Austroneraia australis brown algae PE<br />

Gigartinales Areschougiaceae Rhabdonia coccinea red algae PE<br />

Cystocloniaceae Craspedocarpus<br />

red algae PE<br />

ramentaceus<br />

Cystocloniaceae Craspedocarpus venosus red algae RE<br />

Brachyura Leucosiidae Phlyixia intermedia crab PE<br />

Pilumnidae Pilumnus fissifrons crab PE<br />

Polyplacophora Acanthochitonidae Acanthochitona kimberi chiton PW<br />

Chitonidae Chiton (Rhyssoplax) chiton PE<br />

bednalli<br />

Chitonidae Chiton pelliserpentis chiton PW<br />

Echinoidea Fibulariidae Fibularia (Fibularia) sea urchin PW<br />

nutriens<br />

Temnopleuridae Amblypneustes ovum sea urchin PE<br />

Ophiuroidea Ophiactidae Ophiactis tricolor brittle star PE<br />

Perciformes Clinidae Heteroclinus perspicillatus spotshoulder PE<br />

weedfish<br />

PE = presumed eastern limit, PW = presumed western limit, PN = presumed northern limit, RE =<br />

recorded eastern limit.<br />

106

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