Jeff Holmquist


Jutta Schmidt-Gengenbach, MS, Staff Research Associate, deserves special mention.  She has been a lab manager, taxonomist, field team member, and colleague for many years, and has been an integral part of all of our research activities.

Research assistants who have made important contributions

Students advised, i.e., some of my best teachers

Austin Bowden-Kerby, PhD
Coral transplantation modeled after natural fragmentation processes: Low-tech tools for coral reef restoration and management

Chelsea Clifford, undergraduate researcher
A comparison of invertebrate assemblages of natural and artificial streams in cobble and sand substrates in Bishop, CA

Caren Eckrich, MS
Trampling effects on a seagrass assemblage: direct effects, response of associated fauna, and the role of substrate characteristics

Michael Nemeth, MS
Effects of boat wakes on mangrove root epibiota

Kim Ogden, NSF REU researcher
Terrestrial invertebrates in Devils Postpile National Monument: Preliminary study of community structure adjacent to trails and a comparison of sampling methods

Adianez Santiago, NSF REU researcher
Species richness and abundance of invertebrates across a subalpine forest-meadow ecotone

Burton Shank, MS
Effects of refuge size and shape on foraging patterns of an herbivorous fish in an experimental seagrass/macroalgal system

Amy Uhrin, MS
Propeller scarring in a seagrass assemblage: effects on seagrass, physical processes, and response of associated fauna

Caara Hunter
Caara Hunter in a mid-season stream in Yosemite
Sophie Winitsky
Sophie Winitsky lassoes a herd of invertebrates in Yosemite National Park
Marie French collecting a Surber sample from a stream in Yosemite National Park (J Schmidt-Gengenbach photo)
Chelsea Clifford brandishes a thermometer by the Tuolumne River, below the Hetch Hetchy Reservoir, in Yosemite
Carole Schilz hikes through a resplendent meadow in Sequoia National Park en route to a sampling site in another resplendent meadow (Jutta Schmidt-Gengenbach photo)
Steve Case takes a break at the top of a pass in Sequoia (Jutta Schmidt-Gengenbach photo)
Rick "Gilligan" Dodson evaluates effects of mule and horse grazing in Sequoia National Park (Jutta Schmidt-Gengenbach photo)
Are we there yet?  Jason Love works his way through dense brush en route to a Yosemite sampling site (J Jones photo)
Lyra Pierotti (left) Jennifer Jones (middle), and Georgia Doyle at a high mountain pass in Sequoia National Park on their way to sample a subalpine wetland (J Jones photo)
Adianez Santiago (left) and Natasha Acevedo get ready for an early morning wetland sample near the Giant Forest in Sequoia National Park
Amy Uhrin lowers a box sampler into a propeller scar in a Puerto Rico seagrass bed in an effort to determine the effects of this disturbance on fauna

 Click here for examples of seagrass fauna

Kim Ogden inspects a pitfall trap for marked beetles in Devils Postpile National Monument as part of her project that examines effects of trails on invertebrate movements
Austin Bowden-Kerby (right) and Burton Shank get ready to belay a crew member onto a dam face as part of a study of shrimp migration in Puerto Rico
Burton Shank indicating that he is not intimidated by the bucktooth parrotfish, the subject of his study of the role of refuge configuration in determining foraging patterns
Caren Eckrich assesses substrate compaction in an effort to determine the effects of human trampling in seagrass meadows in Puerto Rico (B Shank photo)
Laura Somervill Ocker helps me capture freshwater shrimps and fishes in a study of amphidromous migration in Puerto Rico (J Schmidt-Gengenbach photo)

Click here for more images of our work on Caribbean stream fauna and dams