Comments on: “Estimating the body mass of the Late Pleistocene megafauna from the South America Intertropical Region and a new regression to estimate the body mass of extinct xenarthrans”
Comments on: “Estimating the body mass of the Late Pleistocene megafauna from the South America Intertropical Region and a new regression to estimate the body mass of extinct xenarthrans”
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评论:“估算南美洲热带地区晚更新世巨型动物的体重以及估算已灭绝异角动物体重的新回归”
DOI:
10.1016/j.jsames.2022.103994
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发表时间:
2022
影响因子:
1.8
通讯作者:
Machado, Fabio A.
中科院分区:
文献类型:
--
作者:
Hubbe, Alex;Machado, Fabio A.
Quantifying food intake in wild animals is crucial to many ecological and evolutionary questions, yet it can be very challenging, especially in the marine environment. Because foraging behavior can be inferred from dive recordings in many marine creatures, we hypothesized that specific behavioral dive variables can indicate food intake. To test this hypothesis, we attached time-depth recorders to breeding Adélie penguins also implanted with RFID tags that crossed a weighbridge as they traveled to and from the ocean to feed their chicks. The weighbridge reported how much mass the penguin had gained during a foraging trip. The variables that explained a significant amount of the change in body mass while at sea were the number of foraging dives per hour (46%) and the number of undulations per hour (12%). Most importantly, every increment of 1 in the rate of foraging dives per hour equated to a penguin gaining an average 170 g of mass, over the course of a 6–60 h foraging trip. These results add to a growing understanding that different metrics of foraging success are likely appropriate for different species, and that assessing the types and frequencies of dives using time-depth recorders can yield valuable insights.
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影响因子:
5.4
作者:
Campione NE;Evans DC
通讯作者:
Evans DC
DOI:
10.2139/ssrn.4103305
发表时间:
2022
期刊:
SSRN Electronic Journal
影响因子:
--
作者:
M. Dantas
通讯作者:
M. Dantas
影响因子:
1.9
作者:
E. Amson;J. Nyakatura
通讯作者:
J. Nyakatura
DOI:
10.1111/j.0014-3820.2005.tb01049.x
发表时间:
2005
期刊:
The Journal of clinical endocrinology and metabolism
影响因子:
--
作者:
G. Marroig;J. Cheverud
通讯作者:
J. Cheverud
影响因子:
2.7
作者:
Campione, Nicols E.
通讯作者:
Campione, Nicols E.