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- 7Asymmetric competition
- 7Community organization
- 7Nonadditive effects
- 7Old field
- 7Productivity gradient
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Fertilization effects on interactions between above-and belowground competition in an old field
Download1999
Recent theoretical and experimental studies have addressed whether the relative importance of aboveground and belowground competition changes along gradients of biomass productivity. Results have been contradictory, with some researchers finding a decrease in the importance of belowground...
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Fertilization effects on interactions between above-and belowground competition in an old field
Download1999
Recent theoretical and experimental studies have addressed whether the relative importance of aboveground and belowground competition changes along gradients of biomass productivity. Results have been contradictory, with some researchers finding a decrease in the importance of belowground...
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2011-01-01
Karst, J., Cahill, J. F., Lyons, D.
This paper is the product of a seminar led by JC Cahill in response to a request by many graduate students and post-docs in our department to teach effective writing strategies. Rather than go over the mechanics of writing, JC introduced the concept of “pitch” and its importance in scientific...
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Independent evolution of leaf and root traits within and among temperate grassland plant communities
Download2011-01-01
In this study, we used data from temperate grassland plant communities in Alberta, Canada to test two longstanding hypotheses in ecology: 1) that there has been correlated evolution of the leaves and roots of plants due to selection for an integrated whole-plant resource uptake strategy, and 2)...
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2009-01-01
Cahill, J. F., Mitchell, M. G. E., Hik, D. S.
We investigated whether plant interaction intensity in a subarctic-alpine meadow is important for determining community structure and species abundance. Using two common species as phytometers, we measured interaction intensity using a neighbor removal approach. Eight biotic and abiotic variables...
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Separate effects of human visitation and touch on plant growth and herbivory in an old-field community
Download2002-01-01
Cahill, J. F., Castelli, J. P., Casper, B. B.
Although animal scientists have long been aware that methods used to measure an experimental system can affect the subject of measurement, similar confounding effects of commonly used field methods have only recently been acknowledged by plant ecologists. Here we demonstrate significant effects...
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Short-Term Plant Community Responses to Warming and Defoliation in a Northern Temperate Grassland
Download2011-01-01
Bork, E. W., Cahill, J. F., Deutsch, E. S., Chang, S. X.
Little is known about the short-term impacts of warming on native plant community dynamics in the northern Canadian prairies. This study examined the immediate effects of elevated temperature and defoliation on plant community diversity, composition, and biomass within a native rough fescue...