The Seri adapt to climate change in the desert

Researchers are working to document traditional ecological knowledge.

 

In September 2014, Hurricane Odile barreled across the Baja California Peninsula, sending 30,000 tourists to evacuation shelters and killing 11 people. Odile weakened as it swept into Sonora, Mexico, but its torrential rains still washed out the dirt road connecting the tiny coastal village of El Desemboque to the highway. Local residents, all members of the Seri Indigenous group, were stranded for three days without food or water. Finally, someone managed to charge a computer with a car battery and posted a plea for help to Facebook.

That message reached Laura Monti, a research associate in arid lands cultural ecology with Prescott College and the University of Arizona. It brought the Seri’s vulnerability to extreme weather sharply into focus, and also gave new urgency to the native and medicinal plants research that Monti has been doing in Sonora for two decades.

The Seri, who also live farther south in Punta Chueca, have endured harsh Sonoran Desert and Gulf of California conditions for 2,000 years, harvesting plants for food, hydration and medicine, and hunting on land and at sea. Their lives may become even harder in the years ahead, as intensifying tropical storms, rising sea levels and ocean warming and acidification ravage plant habitats as well as the coastal wetlands that help support the fish that Seri fishermen rely on.

And time may be running out to pass down the traditional ecological knowledge that could help the Seri and other regional Indigenous communities, such as the Yaqui, become more resilient in the face of climate change. With such knowledge, said Rodrigo Renteria-Valencia, an environmental anthropologist who’s worked with the Seri for more than a decade, “better science is possible, better programs for sustainability are possible, and a better understanding of what the Sonoran Desert is, is possible.” 

 

Seri artisan Carolina Félix harvests the fruit of the senita cactus in El Desemboque, Sonora, Mexico.
Deborah Small

In June, at a parched arroyo just outside of El Desemboque, Monti joined a handful of Seri women representing three generations for a morning of collecting plants and sharing knowledge about their qualities and uses. Diabetes has become a major problem in this increasingly sedentary, former hunter-gatherer community, for example, and the red inner bark of Krameria roots contains chemical compounds that may lower blood sugar, while its taproot stabilizes sand dunes, preventing coastal erosion. The group meets monthly and practices sustainable harvesting — carefully replacing soil after digging up roots, for example. Monti has also led trainings in the conservation of the ironwood tree, a keystone species and important “nurse plant” for many other desert plants. The women study desert ecology and botany and document the environmental changes that they see.

Maria Luisa Astorga Flores, an elderly woman dressed in a long skirt and colorful shawl, gestured out across the sparse, sandy expanse of the arroyo. “There used to be many more plants here,” she said, peering over her wire-frame glasses. Because of the site’s location near running water, mesquite trees and plants once flourished here, including broomrape, which has an edible lower stem, and lantana, used to relieve dizziness, Astorga Flores explained. But Odile battered the arroyo, and some plants have not yet recovered.

The fruit of the senita cactus can be eaten fresh, and the Seri have used the cactus wood to build shelters.
Deborah Small

At least 20 percent of Mexico’s plant species are found in Sonora, whose two annual rainy seasons contribute to North America’s richest desert ecosystem. But the hotter, drier conditions of recent years have thwarted the growth of perennial grasses, flowering plants and mesquite trees in some areas. Meanwhile, Pacific Ocean storms arrive earlier and with greater frequency and strength, washing away crucial habitats. Marine life is also vulnerable to climate shifts. Ocean warming and acidification pose risks to the shelled organisms, like saltwater clams and blue crab, that Seri fishermen depend on, as well as to the entire Gulf of California ecosystem — home to nearly 900 fish species and the source of about half the production volume of Mexico’s national fisheries.

Seri villages are especially vulnerable compared with more socioeconomically diverse Northern Gulf locations, such as Puerto Libertad and Puerto Peñasco. Mexico’s National Commission of Natural Protected Areas has assigned Indigenous women to be climate change educators in their communities, including El Desemboque, and sent four Seri women to India’s Barefoot College for solar engineering training in 2016. To Renteria-Valencia, these examples show the community’s capacity to adapt, whether by rearranging social hierarchies, learning new technologies or incorporating traditional plants back into their diets. “They remain by means of changing,” he says. “The Seri are not disappearing any time soon.”

Well beyond the arroyo, Monti maneuvered past prickly cholla cactus to join the women standing around a Krameria bush. Crouched underneath the branches was 28-year-old Vilma Morales Astorga, expertly scooping away soil with a palm-sized seashell to reach the prized roots. The women explained that the tool had been left behind by a previous harvester — a gift for the next collector to come along. Monti beamed. “It’s really special that she found that,” she said.

Sarah Amandolare is a freelance journalist published in The New York Times, The Guardian, Scientific American Mind and elsewhere.

High Country News Classifieds
  • DEVELOPMENT COORDINATOR
    Western Resource Advocates (WRA) seeks a friendly, detail-oriented, and self-motivated Development Coordinator to provide administrative support to the Development department. This position will report to...
  • FIELD ORGANIZER, MONTANA
    Help Northern Plains Resource Council protect Montana's water quality, family farms and ranches, & unique quality of life. Work hard, meet good people, make the...
  • FOR SALE
    Successful llama trekking business with Yellowstone National Park concession for sale! A fun and enriching business opportunity of a lifetime! Call 406-580-5954
  • ALBUQUERQUE VACATION HOME
    Centrally located. One bed, one bath, lovely outdoor patio, well-stocked kitchen.
  • NEW AGRARIAN PROGRAM DIRECTOR
    Quivira (www.quiviracoaltion.org), a Santa Fe-based nonprofit that aims to shift current practices of agriculture and land stewardship to those that produce good food, support meaningful...
  • SPECTACULAR SCENIC MOUNTAIN VIEW HOME BUILDING SITE
    Located on top of Sugarloaf Mtn. 5 mi W of downtown Colorado Springs, CO. $80,000.
  • EXECUTIVE DIRECTOR
    opportunity in Eugene, Oregon! To learn more and to apply, visit our website at www.bufordpark.org.
  • FUNDRAISING & OUTREACH COORDINATOR
    Does the prospect of working to protect one of the Southwest's last remaining flowing rivers get you excited? Join the team at Friends of the...
  • DIGITAL ENGAGEMENT SPECIALIST
    Position Summary Western Resource Advocates (WRA) seeks a dynamic, organized, and creative Digital Engagement Specialist to be an essential part of our growing Communications Team....
  • NORTH IDAHO FIELD REPRESENTATIVE
    Founded by sportsmen and women 1936, the Idaho Wildlife Federation (IWF) is a statewide nonprofit dedicated to conserving and enhancing Idaho's natural resources, wildlife, habitat,...
  • SMALL HISTORICAL FARM FOR SALE - NEW MEXICO
    23-acres, adobe home, shop, barn, gardens, pasture, orchard. https://www.zillow.com/homes/222-Calle-Del-Norte,-Monticello,-Nm_rb/ or call 575-743-0135.
  • NEW MEXICO GILA NATIONAL FOREST HORSE RANCH
    43 acres in the Gila National Forest. Horse facility, custom home. Year round outdoor living. REDUCED to: $1.17 MM 575-536-3109
  • GRANTS MANAGER AND EDITOR
    Are you a strong communicator who excels at building relationships, writing winning grant proposals, and staying organized? You sound like a good fit for our...
  • REPORTER
    The Wallowa County Chieftain, has an opening for a reporter. Experience with and understanding of editorial photography also required. Journalism degree or equivalent, an understanding...
  • 2017 JOHN DEERE LAWN MOWER Z930R
    15 hours on it, 3 years warranty, 22,5 HP, $1600 Sale price. Contact: [email protected]
  • OWN YOUR OWN CANYON - 1400 SF STRAW-BALE ECO-HOME ON 80 ACRES - 3 HOURS FROM L.A.
    1400 sf of habitable space in a custom-designed eco-home created and completed by a published L.A. architect in 1997-99. Nestled within its own 80-acre mountain...
  • HEAD BREAD/PASTRY BAKER AND ASSISTANT POSITIONS
    Hiring Part/Full time for Summer Season - entry level & experienced positions. Year round employment for optimal candidates. Pay DOE.
  • EVERLAND MOUNTAIN RETREAT
    Everland Mountain Retreat includes 318 mountaintop acres with a 3,200 square foot lodge and two smaller homes. Endless vistas of the Appalachian mountains, open skies,...
  • COUNTRY ESTATE NEAR KINGS CANYON AND SEQUOIA PARKS
    Spectacular views of snowcapped Sierras. 15 miles from Kings Canyon/Sequoia Parks. 47 acres with 2 homes/75' pool/gym/patios/gardens. 1670 sq.ft. main home has 3 bdrm/1 bath....
  • GILA NATIONAL FOREST NEW MEXICO
    Beautiful off-the-grid passive solar near the CDT. 9.4 acres, north of Silver City. Sam, 575.388.1921