January 10 : Annual Ptilotus erubescens (Hairy- tails) Survey. Once again we had very pleasant weather with which to start the year’s activities. This year we handled the counting of flower heads differently, with individuals keeping their own tallies for each area. This worked far better than the old system. But we still need to sharpen the understanding of the boundaries of the areas. That said, we have now got many years of fairly reliable data which can be used to measure grazing impacts in the area. We still need someone to wrestle the data into a short article.
The total number (2566) was well down on last year’s very high number (5696), but still healthy. Numbers fluctuate yearly, ranging from only 181 at our first count in 1997 to a high of 6,152 in 2004. Consistent with previous counts, the benefits of excluding grazers was very evident. It was … Read the rest