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CATEGORIES:College of Arts and Sciences
DESCRIPTION:Trophic ecology underpins many of the most fundamental processe
 s in biology and environmental science—from biodiversity to the evolutio
 n of specialization and the flow of energy through ecosystems—yet dietar
 y data are often too sparse and taxonomically coarse to support generaliza
 tion. I will introduce the theory of dietary niche partitioning and how it
  relates to the struggle for coexistence based on my early work involving 
 the large mammalian herbivores of Kenya. Using dietary DNA metabarcoding t
 o resolve complex plant–herbivore interactions, this work revealed that 
 even the herbivores with the most superficially similar diets can neverthe
 less partition their diets in ways that help explain their coexistence in 
 African savannas. In contrast, our current research in Yellowstone—North
  America’s most diverse contemporary large-herbivore community—reveale
 d unexpectedly high levels of dietary overlap: individuals of different sp
 ecies sometimes shared more dietary taxa with each other than they did wit
 h other members of their own species. Yet because their diets are so taxon
 omically rich, we found that the nutritional components of their diets sti
 ll reveal unique nutritional niche spaces that members of each species can
  occupy despite substantial overlap in the plant species that each consume
 s. I will discuss how novel applications of dietary DNA metabarcoding in t
 he context of nutritional ecology can uncover otherwise cryptic dimensions
  of the trophic niche in ways that can help reconcile divergent results to
  better support fundamental advances in ecology and evolution.\nEvent page
 : https://www.umassd.edu/events/cms/10-16-26-biology-seminar---tyler-kartz
 inel.php
X-ALT-DESC;FMTTYPE=text/html:<html><body><p>Trophic ecology underpins many 
 of the most fundamental processes in biology and environmental science—f
 rom biodiversity to the evolution of specialization and the flow of energy
  through ecosystems—yet dietary data are often too sparse and taxonomica
 lly coarse to support generalization. I will introduce the theory of dieta
 ry niche partitioning and how it relates to the struggle for coexistence b
 ased on my early work involving the large mammalian herbivores of Kenya. U
 sing dietary DNA metabarcoding to resolve complex plant–herbivore intera
 ctions\, this work revealed that even the herbivores with the most superfi
 cially similar diets can nevertheless partition their diets in ways that h
 elp explain their coexistence in African savannas. In contrast\, our curre
 nt research in Yellowstone—North America’s most diverse contemporary l
 arge-herbivore community—revealed unexpectedly high levels of dietary ov
 erlap: individuals of different species sometimes shared more dietary taxa
  with each other than they did with other members of their own species. Ye
 t because their diets are so taxonomically rich\, we found that the nutrit
 ional components of their diets still reveal unique nutritional niche spac
 es that members of each species can occupy despite substantial overlap in 
 the plant species that each consumes. I will discuss how novel application
 s of dietary DNA metabarcoding in the context of nutritional ecology can u
 ncover otherwise cryptic dimensions of the trophic niche in ways that can 
 help reconcile divergent results to better support fundamental advances in
  ecology and evolution.</p><p>Event page: <a href="https://www.umassd.edu/
 events/cms/10-16-26-biology-seminar---tyler-kartzinel.php">https://www.uma
 ssd.edu/events/cms/10-16-26-biology-seminar---tyler-kartzinel.php</a></a><
 /p></body></html>
DTSTAMP:20261006T214549
DTSTART;TZID=America/New_York:20261016T120000
DTEND;TZID=America/New_York:20261016T125000
LOCATION:SENG 113
SUMMARY;LANGUAGE=en-us:Biology Seminar - Tyler Kartzinel
UID:f562bb7138f020f55925de21ae179e9d@www.umassd.edu
END:VEVENT
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