Rangelands

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A territorial bee, a male Melissodes agilis, confronts a monarch butterfly in a Vacaville, Calif. pollinator garden. The prize relinquished: a Mexican sunflower, Tithonia rotundifola. (Photo by Kathy Keatley Garvey)
Bug Squad: Article

A Tiff on the Tithonia

May 27, 2021
By Kathy Keatley Garvey
It was July 3, 2020. The male bees, Melissodes agilis, were getting quite territorial. Every time a butterfly, a honey bee or another insect in our family's pollinator garden expressed an interest in foraging on the Mexican sunflowers, Tithonia rotundifola, a male Melissodes buzzed them.
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May 25 sheep
Ranching in the Sierra Foothills: Article

A Short Season? Managing Irrigated Pasture in a Drought Year

May 26, 2021
By Daniel K Macon
I sat (virtually) through a local irrigation district board meeting this morning. As you might imagine in a year like this, drought was on everybody's mind, from elected board members to staff to customers.
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Juan Amado “Ado” Sales of the Shahid Siddique lab, UC Davis Department of Entomology and Nematology, has received a coveted summer fellowship from the UC Davis Innovation Institute for Food and Health.
Entomology & Nematology News: Article

Ado Sales of Siddique Nematology Lab Receives URC-IIFH Fellowship

May 26, 2021
By Kathy Keatley Garvey
UC Davis undergraduate student Juan Amado Ado Sales, a member of the Research Scholars Program in Insect Biology and a laboratory assistant for nematologist Shahid Siddique, UC Davis Department of Entomology and Nematology, has just been awarded a coveted summer fellowship from the UC Davis Innovati...
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Tiny Pipevine Swallowtail caterpillars on their host plant, Dutchman's Pipe, at Vallejo's Loma Vista Farm. (Photo by Kathy Keatley Garvey)
Bug Squad: Article

Seen Any Pipevine Swallowtails Lately?

May 25, 2021
By Kathy Keatley Garvey
Seen any Pipevine Swallowtails lately? The UC Davis Ecological Garden is teeming with eggs, larvae, pupa and adults. The butterflies there seem particularly fond of nectaring on Jupiter's beard, Centranthus ruber.
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Dakota Lakes Research Farm is a great example of managing the fields for the soil. In this cropland, it has taken 22 years to get the soil back to this healthy condition and it still can get better. In a short time, tillage destroys the health of soil–it takes a long time to rebuild.
Spill the Beans: Article

Healing the Earth by Healing the Soil

May 24, 2021
Humans have been stripping mother earth of her verdant, life supporting cloak for a long time, but the damage has shot up to a critical stage during recent years. To extend the metaphor further, earth has been stripped so bare that ecological systems are out of balance.
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This is the California fuchsia, Epilobium canum, from the UC Davis Arboretum and Public Garden. UC Davis community ecologist Rachel Vannette isolated a new species of bacteria from this plant. (Photo by Rachel Vannette)
Bug Squad: Article

UC Davis Community Ecologist Involved in Tribute to Two Female Botanists

May 21, 2021
By Kathy Keatley Garvey
Botanists Beverly Rathcke (1945-2011) and Jeanne Baret would have been proud. In their lifetimes, they didn't receive nearly enough credit for their work, but now they are memorialized in the names of newly described species of bacteria from the genus Acinetobacter that are specialized to flowers.
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