Interactions count: plant origin, herbivory and disturbance jointly explain seedling recruitment and community structure

Abstract Herbivory and disturbance are major drivers of biological invasions, but it is unclear how they interact to determine exotic vs. native seedling recruitment and what consequences arise for biodiversity and ecosystem functioning. Previous studies neglected the roles of different, potentially...

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Autores principales:	Lotte Korell, Birgit R. Lang, Isabell Hensen, Harald Auge, Helge Bruelheide
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2017
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/d7422e5c31944a5784a05f2e0417a18d
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spelling	oai:doaj.org-article:d7422e5c31944a5784a05f2e0417a18d2021-12-02T15:05:01ZInteractions count: plant origin, herbivory and disturbance jointly explain seedling recruitment and community structure10.1038/s41598-017-08401-32045-2322https://doaj.org/article/d7422e5c31944a5784a05f2e0417a18d2017-08-01T00:00:00Zhttps://doi.org/10.1038/s41598-017-08401-3https://doaj.org/toc/2045-2322Abstract Herbivory and disturbance are major drivers of biological invasions, but it is unclear how they interact to determine exotic vs. native seedling recruitment and what consequences arise for biodiversity and ecosystem functioning. Previous studies neglected the roles of different, potentially interacting, guilds of generalist herbivores such as rodents and gastropods. We therefore set up a full-factorial rodent exclusion x gastropod exclusion x disturbance x seed-addition experiment in a grassland community in Central Germany and measured early seedling recruitment, as well as species richness, species composition and aboveground biomass. Gastropod herbivory reduced the positive effect of disturbance on seedling recruitment, particularly for exotic species. Rodent herbivory had weak positive effects on seedling recruitment at undisturbed sites, irrespective of species origin. This effect was likely driven by their strong negative effect on productivity. Interactive effects between both herbivore guilds became only evident for species richness and composition. How many species established themselves depended on disturbance, but was independent of species origin. The fewer exotic species that established themselves increased productivity to a stronger extent compared to native species. Our study highlights that joint effects of disturbance, herbivory and species origin shape early recruitment, while they only weakly affect biodiversity and ecosystem functioning.Lotte KorellBirgit R. LangIsabell HensenHarald AugeHelge BruelheideNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 7, Iss 1, Pp 1-13 (2017)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Lotte Korell Birgit R. Lang Isabell Hensen Harald Auge Helge Bruelheide Interactions count: plant origin, herbivory and disturbance jointly explain seedling recruitment and community structure
description	Abstract Herbivory and disturbance are major drivers of biological invasions, but it is unclear how they interact to determine exotic vs. native seedling recruitment and what consequences arise for biodiversity and ecosystem functioning. Previous studies neglected the roles of different, potentially interacting, guilds of generalist herbivores such as rodents and gastropods. We therefore set up a full-factorial rodent exclusion x gastropod exclusion x disturbance x seed-addition experiment in a grassland community in Central Germany and measured early seedling recruitment, as well as species richness, species composition and aboveground biomass. Gastropod herbivory reduced the positive effect of disturbance on seedling recruitment, particularly for exotic species. Rodent herbivory had weak positive effects on seedling recruitment at undisturbed sites, irrespective of species origin. This effect was likely driven by their strong negative effect on productivity. Interactive effects between both herbivore guilds became only evident for species richness and composition. How many species established themselves depended on disturbance, but was independent of species origin. The fewer exotic species that established themselves increased productivity to a stronger extent compared to native species. Our study highlights that joint effects of disturbance, herbivory and species origin shape early recruitment, while they only weakly affect biodiversity and ecosystem functioning.
format	article
author	Lotte Korell Birgit R. Lang Isabell Hensen Harald Auge Helge Bruelheide
author_facet	Lotte Korell Birgit R. Lang Isabell Hensen Harald Auge Helge Bruelheide
author_sort	Lotte Korell
title	Interactions count: plant origin, herbivory and disturbance jointly explain seedling recruitment and community structure
title_short	Interactions count: plant origin, herbivory and disturbance jointly explain seedling recruitment and community structure
title_full	Interactions count: plant origin, herbivory and disturbance jointly explain seedling recruitment and community structure
title_fullStr	Interactions count: plant origin, herbivory and disturbance jointly explain seedling recruitment and community structure
title_full_unstemmed	Interactions count: plant origin, herbivory and disturbance jointly explain seedling recruitment and community structure
title_sort	interactions count: plant origin, herbivory and disturbance jointly explain seedling recruitment and community structure
publisher	Nature Portfolio
publishDate	2017
url	https://doaj.org/article/d7422e5c31944a5784a05f2e0417a18d
work_keys_str_mv	AT lottekorell interactionscountplantoriginherbivoryanddisturbancejointlyexplainseedlingrecruitmentandcommunitystructure AT birgitrlang interactionscountplantoriginherbivoryanddisturbancejointlyexplainseedlingrecruitmentandcommunitystructure AT isabellhensen interactionscountplantoriginherbivoryanddisturbancejointlyexplainseedlingrecruitmentandcommunitystructure AT haraldauge interactionscountplantoriginherbivoryanddisturbancejointlyexplainseedlingrecruitmentandcommunitystructure AT helgebruelheide interactionscountplantoriginherbivoryanddisturbancejointlyexplainseedlingrecruitmentandcommunitystructure
_version_	1718388985849446400

Interactions count: plant origin, herbivory and disturbance jointly explain seedling recruitment and community structure

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