Qiu lab at Duke University
Qiu lab at Duke University
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Remotely sensed crown nutrient concentrations modulate forest reproduction across the contiguous United States
This paper reveals the effects of remotely sensed nutrient supply on forest reproduction across the United States. Consistent with our previous findings, we found increasing phosphorous is assocaited with low seed production at both species and landscape level.
Tong Qiu
,
James S. Clark
,
Kyle R. Kovach
,
Philip A. Townsend
,
Jennifer J. Swenson
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Project
DOI
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Habitat–trait interactions that control response to climate change: North American ground beetles (Carabidae)
This paper finds that LiDAR-derived habitat variable will determine ground beetles response to climate change.
Tong Qiu
,
Aaron J. Bell
,
Jennifer J. Swenson
,
James S. Clark
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Project
DOI
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Limits to reproduction and seed size-number trade-offs that shape forest dominance and future recovery
This paper aims to understand the size-numbers trade-off in species seed production and how species traits have mediate the trade-off. The paper also reveals the effects of soil fertility on both individual and community fecundity at a global scale.
Tong Qiu
,
Benoit Courbaud
,
Valentin Journe
,
Georges Kunstler
,
other 95 contributors
,
James S. Clark
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Project
DOI
pdf
Is there tree senescence? The fecundity evidence
A global analysis finds that fecundity decline in large trees is pervasive, consistent with physiological decline, thus providing new evidence for tree senescence. For the 20% of species not showing fecundity declines, this lack of evidence was linked not to specific species groups, but rather to lack of large trees in the data.
Tong Qiu
,
Benoit Courbaud
,
Valentin Journe
,
Georges Kunstler
,
other 61 contributors
,
James S. Clark
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Project
DOI
pdf
Urbanization and climate change jointly shift land surface phenology in the northern mid-latitude large cities
We found that amplitude of urbanization, quantified as changes of %ISA, can compensate the negative effects (delayed SOS or advanced EOS) and amplify the positive effects (earlier SOS or later EOS) of climate change on temporal variations of LSP in most climate zones (except the dry climate)
Tong Qiu
,
Conghe Song
,
Yulong Zhang
,
Hongsheng Liu
,
James M. Vose
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Project
DOI
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