Herbivory on macro-algae affects colonization of beach-cast algal wrack by detritivores but not its decomposition

Spatial subsidies have increasingly been considered significant sources of matter and energy to unproductive ecosystems. However, subsidy quality may both differ between subsidizing sources and vary over time. In our studies, sub-littoral herbivory by snails or isopods on red or brown macro-algae in...

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Main Authors: Philip Eereveld, Lena Hübner, Gesa Schaefer, Martin Zimmer
Format: Article
Language:English
Published: Elsevier 2013-05-01
Series:Oceanologia
Subjects:
Online Access:http://www.iopan.gda.pl/oceanologia/55_2.html#A4
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author Philip Eereveld
Lena Hübner
Gesa Schaefer
Martin Zimmer
author_facet Philip Eereveld
Lena Hübner
Gesa Schaefer
Martin Zimmer
author_sort Philip Eereveld
collection DOAJ
description Spatial subsidies have increasingly been considered significant sources of matter and energy to unproductive ecosystems. However, subsidy quality may both differ between subsidizing sources and vary over time. In our studies, sub-littoral herbivory by snails or isopods on red or brown macro-algae induced changes in algal tissues that affected colonization of beach-cast algal wrack by supra-littoral detritivores (amphipods). However, microbial decay and decomposition through the joint action of detritivores and microbes of algal wrack in the supra-littoral remained unaffected by whether or not red or brown algae had been fed upon by snails or isopods. Thus, herbivory on marine macro-algae affects the cross-system connection of sub-littoral and supra-littoral food webs transiently, but these effects diminish upon ageing of macro-algal wrack in the supra-littoral zone.
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spelling doaj.art-4ff080fee3944f5aa41d10bc9b36c6d02022-12-22T01:42:29ZengElsevierOceanologia0078-32342013-05-0155233935810.5697/oc.55-2.339 Herbivory on macro-algae affects colonization of beach-cast algal wrack by detritivores but not its decompositionPhilip EereveldLena HübnerGesa SchaeferMartin ZimmerSpatial subsidies have increasingly been considered significant sources of matter and energy to unproductive ecosystems. However, subsidy quality may both differ between subsidizing sources and vary over time. In our studies, sub-littoral herbivory by snails or isopods on red or brown macro-algae induced changes in algal tissues that affected colonization of beach-cast algal wrack by supra-littoral detritivores (amphipods). However, microbial decay and decomposition through the joint action of detritivores and microbes of algal wrack in the supra-littoral remained unaffected by whether or not red or brown algae had been fed upon by snails or isopods. Thus, herbivory on marine macro-algae affects the cross-system connection of sub-littoral and supra-littoral food webs transiently, but these effects diminish upon ageing of macro-algal wrack in the supra-littoral zone.http://www.iopan.gda.pl/oceanologia/55_2.html#A4Induced anti-herbivore defenceMacro-algal wrackMarine-terrestrial ecotoneSpatial subsidyTrophic link
spellingShingle Philip Eereveld
Lena Hübner
Gesa Schaefer
Martin Zimmer
Herbivory on macro-algae affects colonization of beach-cast algal wrack by detritivores but not its decomposition
Oceanologia
Induced anti-herbivore defence
Macro-algal wrack
Marine-terrestrial ecotone
Spatial subsidy
Trophic link
title Herbivory on macro-algae affects colonization of beach-cast algal wrack by detritivores but not its decomposition
title_full Herbivory on macro-algae affects colonization of beach-cast algal wrack by detritivores but not its decomposition
title_fullStr Herbivory on macro-algae affects colonization of beach-cast algal wrack by detritivores but not its decomposition
title_full_unstemmed Herbivory on macro-algae affects colonization of beach-cast algal wrack by detritivores but not its decomposition
title_short Herbivory on macro-algae affects colonization of beach-cast algal wrack by detritivores but not its decomposition
title_sort herbivory on macro algae affects colonization of beach cast algal wrack by detritivores but not its decomposition
topic Induced anti-herbivore defence
Macro-algal wrack
Marine-terrestrial ecotone
Spatial subsidy
Trophic link
url http://www.iopan.gda.pl/oceanologia/55_2.html#A4
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AT gesaschaefer herbivoryonmacroalgaeaffectscolonizationofbeachcastalgalwrackbydetritivoresbutnotitsdecomposition
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