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Comparison of effort in 2019-20 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 This is attributed to increased vigilance and more volunteers confident in its identification and treatment.
St. Johns Wort less
Treatment started later this season than last and has been affected by adverse weather conditions.
Blackberries same Treatment has only just started this season.
Briars same Treatment has only just started this season.
Cootamundra wattle same There are not many on the Reserve and treatment is occasional.
Saffron thistles much less The dry winter reduced their emergence and growth.
Horehound less Horehound is decreasing in prevalence across the Reserve in response to treatment in previous seasons; treatment is sporadic.
Verbascum less There is very little Verbascum this season, which was also the case last season. It is hoped that this reflects successful control rather than seasonal weather conditions.
non-Saffron thistles slightly more These are largely under control on the Reserve with only a few isolated occurrences at present. They become more obvious in dry conditions.
Paterson's Curse much more Paterson's Curse seems to be better suited to the dry conditions this season that many other weeds.
Capeweed slightly more Prevalence was similar to last season.
Exotic grasses (Serrated tussock, Chilean Needle grass and other exotics) less The dry season seems to have reduced the prevalence of the target species in this grouping.
Bathurst Burr same Bathurst Burr doesn't usually show up until late in the season.
Other woody weeds less There are very few woody weeds left in the Reserve and neighbouring paddocks. Treatment is sporadic.
Skeleton weed much less Skeleton weed treatment has only been monitored since last season when a concerted effort was spent on it. It has received less attention this season so far.
Miscellaneous broadleaf weeds more This category includes Hoary mustard, Prickly lettuce, fleabane, flatweed, catsear, Tragopogon, plantain, 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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