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Sampling treehole mosquitoes with a turkey baster

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This study examines the western treehole mosquito Aedes sierrensis and its facultative parasite Lambornella clarki as a model system for studying climate change effects on host-parasite interactions. 

Soil gas sampling to determine soil hydrogen concentrations

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In the search for clean, renewable energy sources, one might not think to look within a biological preserve.  However, JRBP’s serpentinite bedrock—the substrate that gives rise to serpentine wildflower displays—may help explain a major source of natural, clean-burning hydrogen.  Serpentinization

Graphical illustration of experimental design for study of oak seedling establishment

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The purpose of this project is to improve the science underpinning conservation and restoration practices in oak savannas of California and other areas with a similar Mediterranean climate.  California’s oak savannas and open woodlands are diverse ecosystems and valuable cultural landscapes.  How

Sign for one of the DRAGNet plots indicating it received the disturbance treatment

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In 2023, Jasper Ridge joined a global network of research sites examining grassland responses to disturbance.  The Jasper Ridge site is being studied by Laureano Gherardi and Jorge Ramos, who chose a location especially suited to outreach and training—annual grassland near the visitors’ parking a

Low-flow crossing survey

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San Francisquito Creek and its tributary creeks are habitat for the threatened, local form of migratory steelhead trout, Central California Coast steelhead.  Prior to 2017, fish passage in the uppermost portion of San Francisquito Creek within Jasper Ridge Biological Preserve was constrained by a

Emily Lacroix sampling soil and sediment in and near Searsville Lake

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Anoxic microsites are small zones in soil where oxygen is depleted.  Within these microsites, soil carbon is protected from microbial respiration, but the contribution to overall soil carbon protection (anoxic protection) remains poorly understood.

Triteleia herbarium sheet

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The Oakmead Herbarium, located in the Leslie Shao-ming Sun Field Station at Jasper Ridge, contains more than 6000 mounted specimens representing almost 900 vascular plant taxa found at the Jasper Ridge Biological Preserve, together with collections of bryophytes and lichens.  The 850,000-specimen

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