Archive Nut, Prune and Olive Programs

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Donate to North Coast Viticulture

Donate Today Please consider donating to North Coast Viticulture by selecting UCCE North Coast Viticulture in the 'Designation' drop-down box Click Here to Donate Gift donations to UC Cooperative Extension's North Coast Viticulture program help fund valuable wine and grape related research and suppo...
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Soils

California grasslands store the vast majority of their organic carbon stocks belowground. The key players responsible for not only the turnover of this soil carbon, but also its stabilization over time are members of the soil microbiome.
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Hedgerow

Seventy percent of California's livestock forage is generated from range systems. Grazing pressure in these systems often discourages native oak and shrub establishment, leading to losses in biodiversity, declines in soil health and decreases in soil carbon.
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Biochar

HREC is home to two innovative biogasifiers that turn wood chips into biochar (a substance similar to charcoal) in a way that thermally cracks off usable gas (gasification) which is then used to generate electricity to be fed into the utility power grid.
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Amphibians

When the University of California acquired the land now encompassing the Hopland Research and Extension Center (HREC) in 1951, it hosted a greater diversity of native species than today, with a survey two decades ago revealing the loss of 34 native plant species out of 612 recorded in the 1950s.
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Wildlife

Megafires (uncharacteristically large and severe fires with dramatic socio-ecological impacts) have become an annual occurrence in California. Unfortunately, the response of wildlife community interactions to this type of extreme environmental shock are not well understood.
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Q & A with the Expert

It's Cooler in the Shade the what, when, why, and how to use vineyard shade netting Edited by Christopher Chen Guest - Lauren Marigliano When trying to implement a new practice, there are always questions that arise that have been overlooked.
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Hopland Scholars Research Award

The 2025-26 Application Cycle is OPEN NOW! The Hopland Scholars Research Award is designed to support and expand scientific inquiry and discovery at HREC. Funding to establish the Hopland Scholars Award is provided by generous donors to the Hopland Scholars Fund.
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California Naturalist Classes at Hopland REC

About the Program  Join us for an exploration of California's ecology from the rocks to the habitats that thrive in our richly biodiverse state.  We'll focus on the ecology of the Coast Ranges, from the geologic formation of our state to the people, plants and animals that rely on our …
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