After Carlsbad, we set our sites on
Tucson, Arizona. We were apprehensive about finding a place to stay
because the Gem Show was in full swing. We thought we would be lucky
to find a place to put the Mary Joan anywhere close to the city. As
has happened so many times, we found that not to be a problem at all.
We rolled into the Tucson Mountain Park's Gilbert Ray Campground
shortly after 2 PM and found that there were many camping sites
available.
Gilbert Ray Campground, Tucson Mountain Park |
The Tucson Mountain Park occupies
roughly 20,000 acres of the Sonoran Desert adjacent to another 20,000
acres of the Saguaro National Park. Needless to say, this vast
expanse of protected desert is spectacularly beautiful. The campsites
are large and well separated from one another. Since this is the
desert, the only utility available at the campsites was electricity.
Water was available from a few hydrants throughout the campground.
The morning after our arrival, we
joined a ranger guided walk through the desert and learned a great
deal about the ecology of the Sonoran desert. We found that the
fragrance of the desert during the rain came from the Creosote bush.
When the leaves of the bush become wet, they release a pungent aroma
that is the signature fragrance of the desert in the rain.
Our ranger showed us what an important
role “nurse” plants play in the growth of the majestic saguaro.
It happens that the Saguaro sets thousand of seeds each season, but
germination only occurs when and where many conditions of moisture
and temperature are met. When these conditions occur, the place is
usually under a Palo Verde tree. The tree acts as a 'nurse' or
shelter for the young and fragile cactus. The nurse plant protects
the young Saguaro from the sun until it is large enough to stand on
its own. Eventually, the Saguaro outlives its nurse plant and stands
on its own. Another interesting observation was the Saguaro's need
for a particular set of circumstances to germinate. Once our guide
pointed it out, it should have been obvious. Because conditions for
successful germination and growth only happen every several years,
the size of the Saguaro is not a smooth continuum, reflecting an
annual succession of older plants. Rather, it was apparent that there
were gaps in that continuum, years when no Saguaro were propagated.
Our ranger called the Saguaro of similar age, cohorts.
A juvenile saguaro growing beneath its nurse tree, a palo verde. |
At Gilbert Ray Campground we met
another Airstream couple, Tim and Amanda Watson. Tim and Amanda are
from Vermont and are full timing in their aluminum abode. They have
a very nice website here: http://www.watsonswander.com/
The must do hike from the campground is
the Brown Mountain trail. It is about a 6 mile loop through the
Sonoran desert. The first 2 miles climb about 500 feet with a drop of
about 200 feet then back up 150 feet before descending back to the
start. Surprisingly, we discovered lichen on rocks at the higher
elevations.
I was surprised to find lichen in the desert. |
Sarah and I spent some time at a couple
venues of the Gem Show that was ongoing in Tucson. It is the largest
gem show in the nation. We saw amazing geodes, some as large as a
bathtub. Sarah found some rubies for a ring she is designing. After
seeing some of the gem show, we sought our El Charro Mexican
restaurant. It is the oldest continually operation family restaurant
in Tucson. We were told that the tamales were the best anywhere. We
agree, the tamales were the best we had ever had.
Phoenix is next down the road. Stay
tuned.
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