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PICTURES
California Highway 177
- May 2005 - Raw data.
Results of a 70 mph windshield survey (or whatever the local
speed limits were), of Sahara Mustard (Brassica tournefortii):
Either not present; is present along roadsides or in medians;
or is outside of the roadside to the fence line or has moved from
the roadsides to infest adjacent land.
NS = No Sahara Mustard was seen along roadside
ditches; or if divided highway, also not seen in the roadside
median, or in lands adjacent to the road.
RS = Road Sides were infested with Sahara Mustard. MED = In divided highways, in medians.
DES = Sahara Mustard has moved from the roadsides into the desert, agricultural areas, or other lands adjacent to the roadsides. FL = Only found along the highway cyclone-fence line, but is far enough off the roadside to pose an immediate problem for the lands adjacent to the fences. At the time of the survey, did not appear to be moving off the fence line yet.
SPECIES SURVEYED for:
BT = Brassica tournefortii or Sahara Mustard
PM = Post miles along highways, and numbers indicate the
averages found not just at each post mile, but for 1/2 mile on
either side of the post mile marker.
(Landmarks and other notes on other exotics or native plants will
be in parentheses)
RIVERSIDE COUNTY, from junction of INTERSTATE 10, north to
Junction of Cal. 62.
Survey 5/18/2005, notebook 194, pages 12-13.
(Post Miles)
0-1 - NS - Town
1 - DES - rare
2 - NS
3 - NS
4 - DES - scattered in abandoned
Jojoba planting
5 - NS
6 - NS
7 - NS
8 - NS
9 - NS
10 - NS
11 - NS
12 - NS
13 - NS
14 - NS
15 - NS
16 - NS
17 - DES - rare
18 - DES - rare
19 - DES - rare
20 - DES - rare
21 - DES - scattered
22 - DES - scattered
23 - DES - scattered
24 - DES - scattered, solid along
roadside
25 - DES - solid, and out 2 miles
into desert
26 - DES - solid, and out 2 miles
into desert
27 - DES - solid, and scattered 2
miles into desert
Junction Cal. 62
Updated April 20, 2016. Back to Craig Dremann's main Contents page.
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