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Recent Submissions

Use of Artificial Intelligence in Talent Acquisition Processes
(2026-05-14) McDaniel, Nicole
Stormwater Tour of the UMD Campus (2018)
(2018) University of Minnesota Duluth
Data for "The nesting and foraging biology of the bee Colletes andrewsi (Hymenoptera: Colletidae), a rare specialist of Heuchera spp."
(2026-05-14) Chase, Marissa; Cariveau, Daniel; chase450@umn.edu; Chase, Marissa; University of Minnesota Cariveau Native Bee Lab
Many bee nesting and foraging studies are concentrated on common species and floral generalists. Therefore, numerous rare and specialized species lack crucial life history information, which is the case for many species within the genus Colletes. We documented the nesting and foraging biology of C. andrewsi, a rare specialist on Heuchera spp.. Nest observations and excavations revealed that C. andrewsi females are philopatric and make shallow (< 7 cm), simple nests. Many females constructed multiple nests in short succession. Our foraging results show that C. andrewsi females are entirely dependent on Heuchera richardsonii in Minnesota, as we never observed pollen or nectar foraging on other flowering species. Additionally, we found that females can forage long distances (> 300 m; mean = 143 m) and sometimes exhibit high patch fidelity. Mating occurred during foraging bouts at H. richardsonii flowers and likely throughout their adult lifespan. Altogether, more population-level studies on solitary and rare bee species, such as those investigating life history, are needed to aid conservation efforts.
Episode 14 - Beep, rustle, and roll, Library Table Talk
(2026-05-14) Cabullo, Hannah; Sparrow, Stephanie
In which a whimsical medley of library sounds are compiled, featuring listener submissions and results of a search by Stephanie and Hannah in one of their libraries for just about anything that made a noise. See the transcript for timestamps with identification of each sound.
Bait Leech Market Assessment Report #1: Minnesota Fishing Survey Results
(University of Minnesota Duluth, 1986-06) Dalton, Patricia Q; Jesswein, Wayne A; Skurla, James A; Larson, Michael C
The Natural Resources Research Institute (NRRI) is funding research in support of commercial activity in the bait leech industry of Minnesota. The NRRI funded research includes investigation of biological factors influencing the supply of bait leeches, and investigation of the commercial market, or demand, for bait leeches. Results of the continuing study of biological factors are reported elsewhere. This report is the first in a three part series concerning the investigation of the bait leech commercial market.