Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Conservation of Declining Populations02:07

Conservation of Declining Populations

9.6K
Conservation of declining population focuses on ways of detecting, diagnosing, and halting a population decline. The approach uses methods to prevent populations from going extinct.
9.6K
Mate Choice01:20

Mate Choice

8.0K
Mate choice—the decision about whom to mate with—is a type of natural selection, since animals must reproduce to pass down their genes. Mate choice is also called intersexual selection because the behavior occurs between the sexes.
8.0K
  1. Home
  3. Age-related Bioaccumulation Of Rare Earth Elements In Feathers Of Magellanic Penguins (spheniscus Magellanicus) From The Chilean Patagonia.
  1. Home
  3. Age-related Bioaccumulation Of Rare Earth Elements In Feathers Of Magellanic Penguins (spheniscus Magellanicus) From The Chilean Patagonia.

Related Experiment Video

Ecotoxicological Effects of Microplastics on Bird Embryo Development by Hatching without Eggshell
08:11

Ecotoxicological Effects of Microplastics on Bird Embryo Development by Hatching without Eggshell

Published on: August 14, 2021

4.4K

Age-related bioaccumulation of rare earth elements in feathers of Magellanic penguins (Spheniscus magellanicus) from

José E Celis1, Stefania Squadrone2, Diego Ulloa3

  • 1Department of Animal Science, Facultad de Ciencias Veterinarias, Universidad de Concepción, Av. Vicente Méndez 595, Chillán, Chile.

Environmental Research
|November 29, 2024

View abstract on PubMed

Summary
This summary is machine-generated.

Juvenile Magellanic penguins accumulate higher levels of rare earth elements (REE) in their feathers than adults. This study provides new insights into REE bioaccumulation in Patagonian marine ecosystems.

Keywords:
AdultBioaccumulationEmerging contaminantsJuvenileMetalsREEsSeabirdSouthern hemisphere

More Related Videos

Using a Thermal Camera to Measure Heat Loss Through Bird Feather Coats
04:55

Using a Thermal Camera to Measure Heat Loss Through Bird Feather Coats

Published on: June 17, 2020

3.5K
Dissection and Downstream Analysis of Zebra Finch Embryos at Early Stages of Development
09:23

Dissection and Downstream Analysis of Zebra Finch Embryos at Early Stages of Development

Published on: June 21, 2014

10.9K

Related Experiment Videos

Ecotoxicological Effects of Microplastics on Bird Embryo Development by Hatching without Eggshell
08:11

Ecotoxicological Effects of Microplastics on Bird Embryo Development by Hatching without Eggshell

Published on: August 14, 2021

4.4K
Using a Thermal Camera to Measure Heat Loss Through Bird Feather Coats
04:55

Using a Thermal Camera to Measure Heat Loss Through Bird Feather Coats

Published on: June 17, 2020

3.5K
Dissection and Downstream Analysis of Zebra Finch Embryos at Early Stages of Development
09:23

Dissection and Downstream Analysis of Zebra Finch Embryos at Early Stages of Development

Published on: June 21, 2014

10.9K

Area of Science:

  • Environmental Science
  • Ecotoxicology
  • Marine Biology

Background:

  • Rare earth elements (REE) presence in southern hemisphere marine ecosystems, especially Patagonia, is understudied.
  • Magellanic penguins (Patagonian penguins) inhabit South American austral regions and are potential bio-indicators.
  • Previous research has not investigated age-related REE accumulation in Magellanic penguins.

Purpose of the Study:

  • To determine REE concentrations in Magellanic penguin feathers.
  • To investigate age-related differences in REE bioaccumulation between adult and juvenile penguins.
  • To assess REE accumulation patterns in a remote southern hemisphere fauna.

Main Methods:

  • Feather samples were collected from Magellanic penguins on Magdalena Island.
  • Inductively coupled plasma mass spectrometry (ICP-MS) was used to quantify 16 REEs (La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Sc, Lu, Y).
  • Statistical analysis was performed to compare REE levels between age groups.

    • Main Results:

    • Juvenile Magellanic penguins showed significantly higher REE concentrations than adults (p < 0.05).
    • Mean REE values varied significantly, from 0.002 μg g⁻¹ d.w. for Lu in adults to 1.15 μg g⁻¹ d.w. for Ce in juveniles.
    • Distinct REE bioaccumulation patterns were observed between age classes.

    Conclusions:

    • Age is a significant factor influencing REE bioaccumulation in Magellanic penguins.
    • This study contributes to understanding REE dynamics in remote cold-region fauna.
    • Magellanic penguins serve as valuable bio-monitors for REE in Patagonian marine environments.