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Fig. 10 Sauropods trackways in
Serwah site, a trackways in the
site (Google Earth 2014 with
modi cation) and b Sauropod left
manus and pes print (After Schulp
et al. 2008 ). Source: https://www.
google.com/maps/place/Al
+Hayfah,+Yemen/@15.
7740764,44.247151,802m/data=!
3m1!1e3!4m2!3m1!
1s0x16016dcafb7b967d:
0x34ce9ebe2671bcd8
Fig. 11 Tracksite of quadrupedal
dinosaur at Bait Al-Washr site
5.1
Human Impacts
fossils
(Lipps 2009 ). Erosion or natural weathering is the
main threat to tracksites. If not protected, the tracksites will
disappear (Winkler 1987 ).
In the studied area, there is no protection of any of the
described geosites except a simple fence, which was built by
the YGS around the
The human impact on the geoheritage values of the dinosaur
trackways is signi
cant and results generally from lack of
awareness. Local
residents use some track sites as a
rst discovered track site in Serwah area
(Fig. 9 b). The footprints in these geosites may be degraded
and destroyed by misuse by local populations and visitors,
and by the impact of natural hazards.
threshing
oor during harvest time and/or as sheds for ani-
mals (Fig. 15 ), and/or as roads/tracks for cars, animals and
people (Figs. 12 and 16 ). Some locals and visitors
fl
ll the
footprints with water
to make them photographically
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