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Filtering by: Creator Kearns, Richard Seng Non-Academic Affiliation Oregon State University. Undergraduate Research, Scholarship, and the Arts (URSA)

How sweet is the land? Modeling caloric landscapes for tropical hummingbirds

Creator:

Birkett, Christina Nozomi and Birkett, Nozomi Fukui

Abstract:

Pollination is a critical ecosystem function for sustaining biodiversity. However, pollinators and the services they provide are threatened by landscape-altering anthropogenic activities across the globe. Habitat loss and fragmentation, introduction of invasive species, chemical use, and urbanization have been shown to impact pollination. Pollinator foraging behavior is thought to be...

Resource Type:

Undergraduate Thesis

Full Text:

landscape alterations (Buchmann and Nabhan, 1996; Kearns, 1998; Kremen et al.,2002; Montero-Castaño, 2012
Wildfire Severity Has a Minimal Influence on Pollen Diversity Used by Developing Mason Bees (Osmia lignaria) in Mixed Conifer Forest

Creator:

Bell, Nicole C. S.

Abstract:

Native bees are critically important organisms that support biodiversity and crop production via their pollination services. Wildfires in temperate conifer forests can increase bee abundance and flowering plant density due to increased light exposure, but little information is available regarding how wildfire severity influences provisioning to bee offspring, which is...

Resource Type:

Honors College Thesis

Full Text:

subspheroidal (Kearns and Inouye 1993). The number of unique pollen types (hereafter, pollen richness) was