Of the 35-40 orchid species listed for our property, we have seen about 25 species in 2007. Not all orchids are easy to identify, so there remains some uncertainty. We believe that there are four species of Prasophyllum in the picture: P. australe, P. limnetes, P. rostratum, P. pulchellum. Two of these are threatened species and they all grow in and around burnt swamps. |
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In early summer 2007, there was a spectacular display of P. brevilabre in the marshes that had been burnt the previous April, plus a few scattered flowering plants in unburnt marshes. Using a similar method for estimating the number of burrows of the North coast burrowing crayfish, we walked transects (view in Google Earth) through the four burnt marshes. The smallest marsh had zero plants in our transect (we missed them all!); another marsh had an average of about 0.1 plants per sq.m., while the other two marshes had an average of about 0.3 plants per sq. m. Our estimated total number of flowering stems in summer 2007-8 is 4,539. |
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