Mark L. Johnson
Animals And Plants Of The Tortolita Preserve
The Tortolita Alliance (TA) Strategic Plan (2020) included a strategic goal to collaborate with other groups/agencies/public to conduct a...
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Mark L. Johnson
- Aug 27
- 2 min
Tortolita Preserve-Post Storm(s) Report
Tortolita Preserve-After The Monsoon (8/27/23) Hiked the Tortolita Preserve (TP) Main Loop (7 miles) this early this morning. Reports of...
Mark L. Johnson
- Jul 23
- 1 min
Hot? Think Snow!
Tortolita Preserve-Snow Bound (3/2/23) Only 143 days ago we had 4 inches of snow in our Sonoran Desert and now the daily temperatures...
Mark L. Johnson
- Jul 16
- 2 min
TA Tidbits # 44-Tortolita Preserve Project Updates
Shades of Purple (TP-4/23/23) Tortolita Alliance (TA ) has been working with Marana Parks & Recreation (MPR) for the last 3.5 years on...
Mark L. Johnson
- Jul 2
- 1 min
Tortolita Summer
Tortolita Summer The summer solstice is 10 days nigh, And the temps are getting kinda high. But the early morning you can’t dislike, A...
Mark L. Johnson
- Jun 19
- 1 min
Night Blooming Wild Cereus Plant Ready To Bloom In Tortolita Preserve
One of the plant species identified in the Fall Tortolita Preserve (TP) Bioblitz was the Night Blooming Wild Cereus Plant aka Queen of...
Mark L. Johnson
- Jun 4
- 1 min
Fruitful Hike
Hiked the Upper Javelina Trail early this morning. First time on the new section near Boulder Canyon Pass (see photos in collage). The...
Mark L. Johnson
- May 14
- 2 min
Water Woes XXII-Cautious & Frugal
The water situation in the West has improved but it is only one year in a 24-year period whereby the Colorado River reservoir system has...
Mark L. Johnson
- May 10
- 2 min
Dave DeGroot-Trailblazer
Dave DeGroot-Grand Canyon One of the great benefits of the Tortolita Alliance (TA) is meeting and working with wonderfully talented...
Mark L. Johnson
- May 7
- 1 min
Dry But Colorful
Hedgehog Cactus Tortolita Preserve (4/23/23) Hiked the Wild Burro-Alamo Springs-Spur Trail early this morning. The lower trail potions...
Mark L. Johnson
- Apr 22
- 2 min
TA Tidbits #43-Blitz & Bitz
The following serves to update some important activities at the Tortolita Preserve (TP) and Upper Javelina Trail. TP Spring Bioblitz The...
Mark L. Johnson
- Apr 10
- 4 min
Saguaro Facts & Status
It has not been a good year for our treasured saguaros. Strong-Arm passed after a wonderful 160-year life in the Tortolita Preserve. We...
Mark L. Johnson
- Mar 26
- 1 min
March Gladness
Most likely your favorite team(s) have been eliminated from the NCAA basketball tournament. So its time for a little March Gladness to...
Mark L. Johnson
- Mar 4
- 1 min
Snowscapes
Tortolita Preserve-Snow Bound (3/2/23) The rare Sonoran Desert snow event on Thursday, March 2, 2023 was beautiful and captured for...
Mark L. Johnson
- Feb 25
- 2 min
TA Tidbits # 41-Tortolita Preserve Project Updates
Tortolita Dawn (TP-9/25/22) Tortolita Alliance (TA ) attended a presentation by Marana Parks & Recreation (MPR) on 2/23/23 at the...
Mark L. Johnson
- Feb 12
- 1 min
A Wild Mustang Valentine
Happy Valentine's Day From The Wild Mustang Trail! Hiked the Wild Mustang Trail (9 miles) last Sunday. See 3-D video of the hike and...
Mark L. Johnson
- Feb 5
- 1 min
TP Naturalists
Tortolita Preserve-Cool & Captivating (Mark & Shirley-2/1/23) The Arizona Master Naturalist Association (AZMNA) held their annual meeting...
Mark L. Johnson
- Jan 22
- 3 min
Marana Water DAWS Modification-Part I Introduction & DAWS Basics
Introduction Marana Water (MW) applied to modify its Designated Assured Water Supply (DAWS) with the Arizona Department of Water...
Mark L. Johnson
- Jan 15
- 1 min
Shades of Gray Make The Day
Wild Burro Wash & Trail 1/15/23 Hiking the Tortolita Preserve or the Tortolita Mountain Trails on a cloudy, pre-storm day is just as...
Mark L. Johnson
- Dec 17, 2022
- 2 min
TP Holiday Cheer!
Tortolita Preserve (12/10/22) Mule Deer Jumping For Joy Good news from Marana Parks & Recreation (MPR) on three Tortolita Preserve (TP)...
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