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Using stable isotopes and C:N ratios to examine the life‐history strategies and nutritional sources of larval lampreys

Overview of attention for article published in Journal of Fish Biology, December 2015
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Title
Using stable isotopes and C:N ratios to examine the life‐history strategies and nutritional sources of larval lampreys
Published in
Journal of Fish Biology, December 2015
DOI 10.1111/jfb.12858
Pubmed ID
Authors

T M Evans, J E Bauer

Abstract

Natural abundance stable-isotope analysis (δ(13) C and δ(15) N) and C:N ratios were used to study the ammocoete phase of two common non-parasitic lamprey species (least brook lamprey Lampetra aepyptera and American brook lamprey Lethenteron appendix) in two tributaries of the Ohio River (U.S.A.). The C:N ratios suggest that each species employs different lipid accumulation strategies to support its metamorphosis and recruitment into an adult animal. Ammocoete δ(13) C values generally increased with increasing C:N values. In contrast to δ(13) C, ammocoete δ(15) N values were weakly related to the total length (LT ) in L. aepyptera, but positively correlated to both LT and C:N ratios in L. appendix. In L. appendix, C:N also correlated positively with LT , and presumably age. A Bayesian mixing model using δ(13) C and δ(15) N was used to estimate nutritional subsidies of different potential food resources to ammocoetes at each site. The models suggested that although nutritional subsidies to ammocoetes varied as a function of site, ammocoetes were generally reliant on large contributions (42-62% at three sites) from aquatic plants. Contributions from aquatic sediment organic matter were also important at all sites (32-63%) for ammocoetes, with terrestrially derived plant materials contributing smaller amounts (4-33%). These findings provide important insights into the feeding ecology and nutrition of two species of lampreys. They also suggest that similar and other quantitative approaches are required to (1) fully understand how the observed stable-isotopes ratios are established in ammocoetes and (2) better assess ammocoete nutritional subsidies in different natal streams.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 43 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Mexico 1 2%
Unknown 42 98%

Demographic breakdown

Readers by professional status Count As %
Researcher 11 26%
Student > Master 9 21%
Student > Ph. D. Student 7 16%
Professor 3 7%
Student > Bachelor 2 5%
Other 4 9%
Unknown 7 16%
Readers by discipline Count As %
Environmental Science 15 35%
Agricultural and Biological Sciences 12 28%
Social Sciences 2 5%
Business, Management and Accounting 1 2%
Computer Science 1 2%
Other 3 7%
Unknown 9 21%
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 January 2016.
All research outputs
#14,977,878
of 25,083,571 outputs
Outputs from Journal of Fish Biology
#3,065
of 5,036 outputs
Outputs of similar age
#202,447
of 404,217 outputs
Outputs of similar age from Journal of Fish Biology
#43
of 90 outputs
Altmetric has tracked 25,083,571 research outputs across all sources so far. This one is in the 38th percentile – i.e., 38% of other outputs scored the same or lower than it.
So far Altmetric has tracked 5,036 research outputs from this source. They typically receive a little more attention than average, with a mean Attention Score of 7.4. This one is in the 37th percentile – i.e., 37% 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 404,217 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 48th percentile – i.e., 48% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 90 others from the same source and published within six weeks on either side of this one. This one has gotten more attention than average, scoring higher than 50% of its contemporaries.