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Intrinsic vs. extrinsic influences on life history expression: metabolism and parentally induced temperature influences on embryo development rate

Overview of attention for article published in Ecology Letters, March 2013
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Title
Intrinsic vs. extrinsic influences on life history expression: metabolism and parentally induced temperature influences on embryo development rate
Published in
Ecology Letters, March 2013
DOI 10.1111/ele.12103
Pubmed ID
Authors

Thomas E. Martin, Riccardo Ton, Alina Niklison

Abstract

Intrinsic processes are assumed to underlie life history expression and trade-offs, but extrinsic inputs are theorised to shift trait expression and mask trade-offs within species. Here, we explore application of this theory across species. We do this based on parentally induced embryo temperature as an extrinsic input, and mass-specific embryo metabolism as an intrinsic process, underlying embryonic development rate. We found that embryonic metabolism followed intrinsic allometry rules among 49 songbird species from temperate and tropical sites. Extrinsic inputs via parentally induced temperatures explained the majority of variation in development rates and masked a relationship with metabolism; metabolism explained a minor proportion of the variation in development rates among species, and only after accounting for temperature effects. We discuss evidence that temperature further obscures the expected interspecific trade-off between development rate and offspring quality. These results demonstrate the importance of considering extrinsic inputs to trait expression and trade-offs across species.

X Demographics

X Demographics

The data shown below were collected from the profiles of 2 X users who shared this research output. Click here to find out more about how the information was compiled.
Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 101 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Brazil 3 3%
Sweden 1 <1%
United Kingdom 1 <1%
Canada 1 <1%
Romania 1 <1%
Spain 1 <1%
Unknown 93 92%

Demographic breakdown

Readers by professional status Count As %
Researcher 28 28%
Student > Ph. D. Student 22 22%
Student > Master 14 14%
Professor > Associate Professor 8 8%
Student > Bachelor 7 7%
Other 14 14%
Unknown 8 8%
Readers by discipline Count As %
Agricultural and Biological Sciences 70 69%
Environmental Science 12 12%
Earth and Planetary Sciences 2 2%
Physics and Astronomy 1 <1%
Biochemistry, Genetics and Molecular Biology 1 <1%
Other 2 2%
Unknown 13 13%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 2. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 05 June 2013.
All research outputs
#16,198,675
of 24,641,327 outputs
Outputs from Ecology Letters
#2,772
of 3,052 outputs
Outputs of similar age
#123,236
of 199,497 outputs
Outputs of similar age from Ecology Letters
#39
of 39 outputs
Altmetric has tracked 24,641,327 research outputs across all sources so far. This one is in the 32nd percentile – i.e., 32% of other outputs scored the same or lower than it.
So far Altmetric has tracked 3,052 research outputs from this source. They typically receive a lot more attention than average, with a mean Attention Score of 29.2. This one is in the 8th percentile – i.e., 8% of its peers scored the same or lower than it.
Older research outputs will score higher simply because they've had more time to accumulate mentions. To account for age we can compare this Altmetric Attention Score to the 199,497 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 36th percentile – i.e., 36% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 39 others from the same source and published within six weeks on either side of this one. This one is in the 1st percentile – i.e., 1% of its contemporaries scored the same or lower than it.