Cargando…

Food Quality Affects Secondary Consumers Even at Low Quantities: An Experimental Test with Larval European Lobster

The issues of food quality and food quantity are crucial for trophic interactions. Although most research has focussed on the primary producer – herbivore link, recent studies have shown that quality effects at the bottom of the food web propagate to higher trophic levels. Negative effects of poor f...

Descripción completa

Detalles Bibliográficos
Autores principales: Schoo, Katherina L., Aberle, Nicole, Malzahn, Arne M., Boersma, Maarten
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Public Library of Science 2012
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3307736/
https://www.ncbi.nlm.nih.gov/pubmed/22442696
http://dx.doi.org/10.1371/journal.pone.0033550
_version_ 1782227355793620992
author Schoo, Katherina L.
Aberle, Nicole
Malzahn, Arne M.
Boersma, Maarten
author_facet Schoo, Katherina L.
Aberle, Nicole
Malzahn, Arne M.
Boersma, Maarten
author_sort Schoo, Katherina L.
collection PubMed
description The issues of food quality and food quantity are crucial for trophic interactions. Although most research has focussed on the primary producer – herbivore link, recent studies have shown that quality effects at the bottom of the food web propagate to higher trophic levels. Negative effects of poor food quality have almost exclusively been demonstrated at higher food quantities. Whether these negative effects have the same impact at low food availability in situations where the majority if not all of the resources are channelled into routine metabolism, is under debate. In this study a tri-trophic food chain was designed, consisting of the algae Rhodomonas salina, the copepod Acartia tonsa and freshly hatched larvae of the European lobster Homarus gammarus. The lobster larvae were presented with food of two different qualities (C∶P ratios) and four different quantities to investigate the combined effects of food quality and quantity. Our results show that the quality of food has an impact on the condition of lobster larvae even at very low food quantities. Food with a lower C∶P content resulted in higher condition of the lobster larvae regardless of the quantity of food. These interacting effects of food quality and food quantity can have far reaching consequences for ecosystem productivity.
format Online
Article
Text
id pubmed-3307736
institution National Center for Biotechnology Information
language English
publishDate 2012
publisher Public Library of Science
record_format MEDLINE/PubMed
spelling pubmed-33077362012-03-22 Food Quality Affects Secondary Consumers Even at Low Quantities: An Experimental Test with Larval European Lobster Schoo, Katherina L. Aberle, Nicole Malzahn, Arne M. Boersma, Maarten PLoS One Research Article The issues of food quality and food quantity are crucial for trophic interactions. Although most research has focussed on the primary producer – herbivore link, recent studies have shown that quality effects at the bottom of the food web propagate to higher trophic levels. Negative effects of poor food quality have almost exclusively been demonstrated at higher food quantities. Whether these negative effects have the same impact at low food availability in situations where the majority if not all of the resources are channelled into routine metabolism, is under debate. In this study a tri-trophic food chain was designed, consisting of the algae Rhodomonas salina, the copepod Acartia tonsa and freshly hatched larvae of the European lobster Homarus gammarus. The lobster larvae were presented with food of two different qualities (C∶P ratios) and four different quantities to investigate the combined effects of food quality and quantity. Our results show that the quality of food has an impact on the condition of lobster larvae even at very low food quantities. Food with a lower C∶P content resulted in higher condition of the lobster larvae regardless of the quantity of food. These interacting effects of food quality and food quantity can have far reaching consequences for ecosystem productivity. Public Library of Science 2012-03-19 /pmc/articles/PMC3307736/ /pubmed/22442696 http://dx.doi.org/10.1371/journal.pone.0033550 Text en Schoo et al. http://creativecommons.org/licenses/by/4.0/ This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are properly credited.
spellingShingle Research Article
Schoo, Katherina L.
Aberle, Nicole
Malzahn, Arne M.
Boersma, Maarten
Food Quality Affects Secondary Consumers Even at Low Quantities: An Experimental Test with Larval European Lobster
title Food Quality Affects Secondary Consumers Even at Low Quantities: An Experimental Test with Larval European Lobster
title_full Food Quality Affects Secondary Consumers Even at Low Quantities: An Experimental Test with Larval European Lobster
title_fullStr Food Quality Affects Secondary Consumers Even at Low Quantities: An Experimental Test with Larval European Lobster
title_full_unstemmed Food Quality Affects Secondary Consumers Even at Low Quantities: An Experimental Test with Larval European Lobster
title_short Food Quality Affects Secondary Consumers Even at Low Quantities: An Experimental Test with Larval European Lobster
title_sort food quality affects secondary consumers even at low quantities: an experimental test with larval european lobster
topic Research Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3307736/
https://www.ncbi.nlm.nih.gov/pubmed/22442696
http://dx.doi.org/10.1371/journal.pone.0033550
work_keys_str_mv AT schookatherinal foodqualityaffectssecondaryconsumersevenatlowquantitiesanexperimentaltestwithlarvaleuropeanlobster
AT aberlenicole foodqualityaffectssecondaryconsumersevenatlowquantitiesanexperimentaltestwithlarvaleuropeanlobster
AT malzahnarnem foodqualityaffectssecondaryconsumersevenatlowquantitiesanexperimentaltestwithlarvaleuropeanlobster
AT boersmamaarten foodqualityaffectssecondaryconsumersevenatlowquantitiesanexperimentaltestwithlarvaleuropeanlobster