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Comparison of effort in 2018-19 with earlier seasons

for each weed type (see comments below)

for the Reserve only, for the Total Effort and for the Neighbouring paddocks only.

Reserve Only

For month by month comparisons of weeding effort against previous seasons for each weed type, see
the weed type monthly history

 

Weed type Comparative
Effort
(relative to last season; Reserve only)
      Likely reasons
African Lovegrass more There has been strong growth of African Lovegrass this season as a result of the wet and hot summer, as well as more volunteers confident in its identification and treatment.
St. Johns Wort more
Treatment started earlier than last season.
Effort is also greater than all previous seasons, primarily because of the strong growth induced by the wet, warm summer and the better availability of volunteer time..
Blackberries same  
Briars slightly less Briar numbers continue to decline on the Reserve
Cootamundra wattle similar Treatment is occasional.
Saffron thistles much less The dry winter reduced their emergence, and germination after recent rains did not result in the increased effort expected.
Horehound similar Horehound is decreasing in prevalence across the Reserve and neighbouring paddocks in response to treatment in previous seasons; treatment is sporadic.
Verbascum less There was very little Verbascum this season, which was also the case last season. It is hoped that this reflects successful control rather than seasonal rainfall.
non-Saffron thistles less These are largely under control on the Reserve with only a few isolated occurrences at present.
Paterson's Curse similar There is not much Paterson's Curse on the Reserve this season but a steady effort has been required.
Capeweed much less Prevalence was much less this season than last season because of the dry winter and spring.
Exotic grasses (Serrated tussock, Chilean Needle grass and other exotics) much more More effort to date this season on the exotic grasses such as oats, particularly in Weetangera paddock where there is an increased effort to control them after the hazard reduction burn early in 2018.
Bathurst Burr more There is very little Bathurst Burr and it is not usually treated until Autumn.
Other woody weeds slightly more There are very few woody weeds left in the Reserve and neighbouring paddocks. Treatment is sporadic.
Skeleton weed   Skeleton weed treatment not monitored in the past.
Miscellaneous broadleaf weeds much more This category includes Hoary mustard, Prickly lettuce, fleabane, flatweed, catsear, Tragopogon, etc. The amount of effort spent on these depends more on the resources available than the prevalence of the weeds. Grubbing teams this season have had few other targets.

 

 

Total Effort (Reserve plus Bottom Pinnacle plus North Kama)

year-on-year

Bottom Pinnacle and North Kama only

 

 
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