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Studies near Lituya Bay showed that plants in this genus promote podzolization, fueling autogenic succession towards an acidic community where they dominate. For 10 points each:
[10h] Name this genus of ecosystem engineers that force reliance on rainwater by raising the acrotelm into a mound. Most of the volume of plants in this genus comprises water-retaining hyaline cells.
ANSWER: Sphagnum moss [prompt on moss]
[10m] This quantity for a hummock of sphagnum is only about a meter a day in the vertical. The presence of tracheids in vascular plants increases this quantity, symbolized K, which is higher for gravelly soils than sandy ones.
ANSWER: hydraulic conductivity [accept soil permeability; prompt on porosity]
[10e] The water that seeps out of sphagnum bogs is colored by these polyphenolic compounds, whose astringent taste discourages herbivory, but pleases some winetasters.
ANSWER: tannins [accept tannoids]
<Biology>

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Summary

2024 ACF Nationals2024-04-21Y2410.83100%8%0%

Data

RutgersArizona State001010
BrownMichigan001010
North Carolina AChicago B001010
Chicago CChicago D001010
VirginiaClaremont Colleges001010
PurdueCornell A001010
Cornell BVanderbilt001010
DukeFlorida001010
Georgia TechJohns Hopkins001010
HarvardSouth Carolina001010
Toronto AIllinois001010
Columbia AIndiana001010
Minnesota BKentucky001010
Berkeley AMaryland001010
McGillBerkeley B001010
Iowa StateNYU001010
North Carolina BTruman State001010
NorthwesternYale A001010
OttawaToronto B001010
StanfordChicago A001010
WUSTL ATexas001010
WUSTL BPenn0101020
Minnesota AWaterloo0101020
Yale BColumbia B001010