I am a PhD candidate in Claire Kremen’s lab in the department of Environmental Science, Policy, and Management at the University of California, Berkeley.

I have a B.A. (2006) in Environmental Studies from the University of California, Santa Cruz.

Fellowships, Grants & Scholarships

Agriculture and Food Research Initiative, National Institute for Food and Agriculture Predoctoral Fellow, 2012

Berkeley Center for Diversified Farm Systems, 2012

Annie’s Organic Graduate Scholarship, 2012

Western Sustainable Agriculture and Education Graduate Grant, 2011

National Science Foundation Graduate Research Fellowship, 2010

Edge Diversity Grant, 2009

UC Regent Scholarship, 2002-2006

Undergraduate Research Award, STEPS Institute for Innovation in Environmental Research, 2006

Richard Cooley Friends Foundation International Award, 2005

Honors & Awards

Outstanding Graduate Student Instructor Award, 2013

Phi Beta Kappa, 2006

Environmental Studies Departmental Honors, 2006

Senior Thesis Honors, 2006

Dean’s List, Merrill College, UCSC, 2002-06

Merrill College Freshman Honors Course, 2002


Sardiñas, H.S. and C. Kremen. In press. Evaluating the importance of nesting proxies for ground-nesting native bees using emergence traps. Basic and Applied Ecology

Sardiñas, H.S. 2013. “Flight of the Sunflower Bee: Fluorescent Dye Illuminates Crop Pollination.” Berkeley Science Review, Spring. Berkeley, CA.

Hallet, L.M., S. Diver, M.V. Eitzel, J.J. Olson, B. Ramage, A. Romero, H.S. Sardiñas, and K.N. Suding. 2013. Do we practice what we preach? Goal setting for ecological restoration. Restoration Ecology.

Eitzel, M.V., S. Diver, H.S. Sardiñas, L.M. Hallett, J.J. Olson, A.T.  Schuknecht, G. Oliviera, A. Romero, R.T., and K.N. Suding. 2011. Insights from a Cross-Disciplinary Seminar: 10 Pivotal Papers for Restoration Ecology. Restoration Ecology 20(2): 147-152.

Lavelle, D, H.S. Sardiñas, E.J. Blitzer,  K.Z. Weinbaum,  M.S. Luskin,  and J.S. Brashares. 2011. Review: Nature’s Matrix: Linking Agriculture, Conservation and Food Sovereignty. Quarterly Review of Biology 83(3): 220-221.

Sardiñas, H.S. 2009. “Growing Diversity: How seed collection influences genetic diversity in ecological restoration.” Ardeid. Audubon Canyon Ranch, CA.


Sardiñas, H.S., K. Tom, and C. Kremen. 2013. “Small scale habitat enhancement does not enhance native bee nesting in sunflower fields.” Entomological Society of America Annual Meeting, Austin, TX.

Sardiñas, H.S. 2013. “Native bee nesting in agriculture: implications for sunflower pollination.” Pollinator Outreach Workshop, UC Cooperative Extension, Woodland, CA.

Sardiñas, H.S. 2012. “Pollination Services in Agroecosystems: the role of hedgerows.” Diversified Farm Systems Roundtable Student Research Presentation. UC Berkeley.

Sardiñas, H.S. 2012. “Conservation in the matrix: toward a comprehensive framework.” Invited lecture in the symposium: The role of smallholder agriculture in promoting conservation within “the matrix”: Agroecology, landscape ecology and rural social movements in the global south. American Association of Geographers Annual Meeting, New York, NY.

 Sardiñas, H.S. 2011. “Benefits of Native Pollinators and Habitat Enhancements for Agriculture.” Invited lecture. Pioneer Face-to-Face Conference, Denver, CO.

Moradin, L., C. Kremen and H.S. Sardiñas. 2010 “Pollinator diversity in agricultural landscapes” Invited talk in the symposium: Understating and Capitalizing on Agricultural Biodiversity in IPM/IRM. Entomological Society of America Annual Meeting, San Diego, CA.

H.S. Sardiñas. 2007. “Avian conservation through a coffee cup? Assessing the differential habitat utilization between resident and migrant birds in Nicaraguan shade-grown coffee.” Central Coast Biodiversity Conference, Santa Cruz, CA.


Sardiñas, H.S. and C. Kremen. 2012. Quantifying native bee ground nesting using emergence traps. Society for Conservation Biology Regional Meeting, Oakland, CA.


Teaching Assistant, Restoration Ecology 187. UC Berkeley, ESPM. January- May 2012

Invited Lecture: Native Bees in Agro-ecosystems, in Agroecology, UCB, Fall 2012 & 2013.

Invited Lecture: Ecosystem Services and Restoration, in Restoration Ecology, UCB, Spring 2012.

Invited Lectures: Benefits of Native Pollinators to Agriculture, in Berkeley and the Global Food System, a student-led course, DeCAL, UCB, Spring, 2012 & Spring 2013.

Invited Lecture: Pollination Ecology, in Insect Ecology, UCSC, Fall 2011

Invited Lecture: Research Methods, in Environmental Science Senior Seminar, UCB, Spring 2011

Teaching Assistant, Natural History of Birds. UCSC, Santa Cruz, CA. July- August 2006

Undergraduate Theses Advised

2012-13. Tom, K. CNR Senior Thesis. Quantifying Movement of Native Bee Populations in Sunflower Fields using Luminous Powder.

2012-13. Ellis, Ashley. CNR Honors Thesis. Unseen Pollinators: The Contribution of Nocturnal Pollinators to Sunflower Seed Set.

2013-14. Yee, Collette. CNR Thesis. Does on-farm irrigation management affect native bee nesting?

2013-14. Jackson, Megan. Senior Thesis. The Impact of Soil Lead Contamination on Native Bees in Urban Parks in Oakland, California.

Professional Experience

Restoration Project Leader, Audubon Canyon Ranch, Bolinas, CA. November 2008 – July 2009.

 Environmental Services Intern, CA Department of Parks and Recreation, Russian River District. July- November 2008

 Interim Nursery Manager, Circuit Rider Productions, Windsor, CA. November 2007- June 2008

 Seed Collection Intern, Presidio Native Plant Nursery, Golden Gate National Parks Conservancy. San Francisco, CA.  January – November 2007

Nursery Production Assistant, Central Coast Wilds, Ecological Concerns, Santa Cruz, CA. June- December 2006

 Tropical Biodiversity Research Intern, Community Agroecology Network (CAN). 2005- 2006

 Garden Assistant, Alan Chadwick Garden, Center for Agroecology and Sustainable Food Systems (CASFS). Santa Cruz, CA. 2003- 2005

Public Service

Science Monitoring Trainer, Xerces Society Citizen Science Monitoring Training Course. 2009– 2011

 Mentor, Strategies for Ecology Education, Diversity and Sustainability (SEEDS), an Ecological Society of America program connecting graduate student mentors with undergraduate students from groups traditionally under-represented in the sciences. 2010

 Committee Member, Interdisciplinary Graduate Curriculum Restructuring Task Force, Dept. Environmental Science, Policy and Management, UC Berkeley, 2010.


California Native Plant Society

Xerces Society for Invertebrate Conservation

Society for Conservation Biology

Society for Ecological Restoration

Entomological Society of America

Association of American Geographers

Diversified Farming Systems Roundtable, Berkeley Institute for the Environment