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Postdoc in Avian Agroecology and Pest Control

Employer
Cal Poly Humboldt
Location
Humboldt County, California
Salary
$55,000 per year plus benefits
Closing date
Mar 29, 2023

Job Details

Postdoc in Avian Agroecology and Pest Control

Department of Wildlife

Cal Poly Humboldt, Arcata, California

 

Position description URL: https://wildlife.humboldt.edu/sites/default/files/johnson/pdf/humboldt_postdoc_ad_march2023.pdf

 

Application review begin date: April 1, 2023 (applications solicited until position is filled). Start date: flexible from August – October 2023. Location: In-person at Cal Poly Humboldt, Arcata, California and in the field in Napa Valley, California.

 

SUMMARY: We are seeking a Postdoctoral Researcher with expertise in avian ecology and agroecology to join Matt Johnson’s lab in the Department of Wildlife at Cal Poly Humboldt (formerly Humboldt State University) in Arcata, California. The position is funded for ~2 years (through June 30, 2025; contingent on adequate performance).

 

The postdoctoral researcher will join a collaborative team of researchers assessing the potential for nest boxes to attract songbirds capable of removing insect pests from winegrape vineyards in Napa Valley, California. The postdoc will be based at Cal Poly Humboldt but collaborate closely with scientists at UC Davis (Dr. Daniel Karp) and UC Riverside (Drs. Erin Wilson-Rankin and S. Houston Wilson). Cal Poly Humboldt is a predominantly undergraduate institution with several Master’s programs (including in Wildlife), a strong commitment to teaching, a diverse student body, and an emphasis on inclusive student success; we have been a Hispanic Serving Institution since 2013. Thus, this position also includes an opportunity to develop and co-teach a new course, and we especially invite applicants interested in strengthening their experience working with students at a minority-serving university.

 

Integrated pest management (IPM) often focuses on enhancing the control of pests by arthropod natural enemies (i.e., predators/parasitoids), but less work has focused on vertebrate predators of pests. In California, winegrapes are a key crop that may benefit from bird-mediated pest control of insect pests (e.g. sharpshooters [Cicadellidae spp.] carrying Pierce’s disease). Insecticide use by California winegrape growers has increased over time, with ~45M lbs applied in 2018. Birds could provide growers with an alternative, especially on organic fields where fewer insecticides can be applied. Despite the potential for birds to contribute to IPM, more research is needed to understand and harness their benefits for winegrape growers. Several previous studies have confirmed that nest boxes can attract Western Bluebirds (Sialia mexicana) and Tree & Violet-green Swallows (Tachycineta bicolor & T. thalassina) to California vineyards, initial diet analysis has been completed, and sentinel pest experiments have shown high rates of prey removal. What this means for actual rates of pest consumption, however, is unclear. Field experiments with nest boxes and sampling bird diets in the places/times when pests are common are needed to assess the potential for cavity-nesting songbirds to contribute to IPM in vineyards.

 

This project will combine visual bird censuses (point counts), nest box occupancy studies, animal tracking, insect pest sampling, and molecular diet analysis to quantify how nest boxes, local habitat features, and surrounding landscapes affect interactions between birds and pest insects in California vineyards. The project will build upon an established network of organic vineyards in Napa Valley, California. The lead data collection responsibilities for the postdoctoral position will be the point counts, nest box surveys, insect sampling, and fecal sample collection. Collaborators at UC Riverside (working with Rankin-Wilson) will conduct the diet analyses, and a PhD student at UC Davis (working with Karp) will focus on tracking bluebirds and swallows. The postdoc at Cal Poly Humboldt, under the supervision of Johnson, will take responsibility for the following activities:

 

  • Be the lead coordinator of the project, which will have a second field season from May-July of 2024 (first season this spring led by Johnson). This includes coordinating meetings and maintaining communication with farmers, collaborators, and students; purchasing supplies; coordinating field season logistics; collecting and storing samples; and curating data. Hire, train, and supervise two field technicians in the field season and several undergraduate assistants processing insect samples in the lab during the academic year. Conduct statistical analyses of both bird and insect data. Prepare academic manuscripts, including lead and co-authorship responsibilities.  Work with partners, especially Wild Farm Alliance, to disseminate results to farmers via field days, informational videos, and virtual workshops. Attend scientific conferences to present results. Prep and co-teach (with Johnson) a new course (likely in Spring 2025) on Conservation in Working Landscapes with an undergraduate research component.

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