The Importance of Being First: Exploring Priority and Diversity Effects in a Grassland Field Experiment

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The Importance of Being First: Exploring Priority and Diversity Effects in a Grassland Field Experiment. / Weidlich, Emanuela W A; Von Gillhaussen, Philipp; Delory, Benjamin et al.
In: Frontiers in Plant Science, Vol. 7, 2008, 05.01.2017.

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@article{f4ec9b937b164932b9dabce8524a854a,
title = "The Importance of Being First: Exploring Priority and Diversity Effects in a Grassland Field Experiment",
abstract = "Diversity of species and order of arrival can have strong effects on ecosystem functioning and community composition, but these two have rarely been explicitly combined in experimental setups. We measured the effects of both species diversity and order of arrival on ecosystem function and community composition in a grassland field experiment, thus combining biodiversity and assembly approaches. We studied the effect of order of arrival of three plant functional groups (PFGs: grasses, legumes, and non-leguminous forbs) and of sowing low and high diversity seed mixtures (9 or 21 species) on species composition and aboveground biomass. The experiment was set up in two different soil types. Differences in PFG order of arrival affected the biomass, the number of species and community composition. As expected, we found higher aboveground biomass when sowing legumes before the other PFGs, but this effect was not continuous over time. We did not find a positive effect of sown diversity on aboveground biomass (even if it influenced species richness as expected). No interaction were found between the two studied factors. We found that sowing legumes first may be a good method for increasing productivity whilst maintaining diversity of central European grasslands, although the potential for long-lasting effects needs further study. In addition, the mechanisms behind the non-continuous priority effects we found need to be further researched, taking weather and plant-soil feedbacks into account.",
keywords = "Biology, Sustainability Science, Ecosystems Research, plant functional group, biodiversity, assembly, order of arrival, historical contingency, plant functional group, biodiversity, Assembly, order of arrival, historical contingency",
author = "Weidlich, {Emanuela W A} and {Von Gillhaussen}, Philipp and Benjamin Delory and Stephan Blossfeld and Hendrik Poorter and Temperton, {Victoria Martine}",
note = "Funding Information: This research was funded by Forschungszentrum J{\"u}lich (IBG2) and Ministry of Science, Technology and Innovation of Brazil (CNPq) with the Ph.D. scholarship of EW. Publisher Copyright: {\textcopyright} 2017 Weidlich, von Gillhaussen, Delory, Blossfeld, Poorter and Temperton.",
year = "2017",
month = jan,
day = "5",
doi = "10.3389/fpls.2016.02008",
language = "English",
volume = "7",
journal = "Frontiers in Plant Science",
issn = "1664-462X",
publisher = "Frontiers Research Foundation",

}

RIS

TY - JOUR

T1 - The Importance of Being First

T2 - Exploring Priority and Diversity Effects in a Grassland Field Experiment

AU - Weidlich, Emanuela W A

AU - Von Gillhaussen, Philipp

AU - Delory, Benjamin

AU - Blossfeld, Stephan

AU - Poorter, Hendrik

AU - Temperton, Victoria Martine

N1 - Funding Information: This research was funded by Forschungszentrum Jülich (IBG2) and Ministry of Science, Technology and Innovation of Brazil (CNPq) with the Ph.D. scholarship of EW. Publisher Copyright: © 2017 Weidlich, von Gillhaussen, Delory, Blossfeld, Poorter and Temperton.

PY - 2017/1/5

Y1 - 2017/1/5

N2 - Diversity of species and order of arrival can have strong effects on ecosystem functioning and community composition, but these two have rarely been explicitly combined in experimental setups. We measured the effects of both species diversity and order of arrival on ecosystem function and community composition in a grassland field experiment, thus combining biodiversity and assembly approaches. We studied the effect of order of arrival of three plant functional groups (PFGs: grasses, legumes, and non-leguminous forbs) and of sowing low and high diversity seed mixtures (9 or 21 species) on species composition and aboveground biomass. The experiment was set up in two different soil types. Differences in PFG order of arrival affected the biomass, the number of species and community composition. As expected, we found higher aboveground biomass when sowing legumes before the other PFGs, but this effect was not continuous over time. We did not find a positive effect of sown diversity on aboveground biomass (even if it influenced species richness as expected). No interaction were found between the two studied factors. We found that sowing legumes first may be a good method for increasing productivity whilst maintaining diversity of central European grasslands, although the potential for long-lasting effects needs further study. In addition, the mechanisms behind the non-continuous priority effects we found need to be further researched, taking weather and plant-soil feedbacks into account.

AB - Diversity of species and order of arrival can have strong effects on ecosystem functioning and community composition, but these two have rarely been explicitly combined in experimental setups. We measured the effects of both species diversity and order of arrival on ecosystem function and community composition in a grassland field experiment, thus combining biodiversity and assembly approaches. We studied the effect of order of arrival of three plant functional groups (PFGs: grasses, legumes, and non-leguminous forbs) and of sowing low and high diversity seed mixtures (9 or 21 species) on species composition and aboveground biomass. The experiment was set up in two different soil types. Differences in PFG order of arrival affected the biomass, the number of species and community composition. As expected, we found higher aboveground biomass when sowing legumes before the other PFGs, but this effect was not continuous over time. We did not find a positive effect of sown diversity on aboveground biomass (even if it influenced species richness as expected). No interaction were found between the two studied factors. We found that sowing legumes first may be a good method for increasing productivity whilst maintaining diversity of central European grasslands, although the potential for long-lasting effects needs further study. In addition, the mechanisms behind the non-continuous priority effects we found need to be further researched, taking weather and plant-soil feedbacks into account.

KW - Biology

KW - Sustainability Science

KW - Ecosystems Research

KW - plant functional group, biodiversity, assembly, order of arrival, historical contingency

KW - plant functional group

KW - biodiversity

KW - Assembly

KW - order of arrival

KW - historical contingency

UR - http://www.scopus.com/inward/record.url?scp=85009787688&partnerID=8YFLogxK

U2 - 10.3389/fpls.2016.02008

DO - 10.3389/fpls.2016.02008

M3 - Journal articles

C2 - 28119707

VL - 7

JO - Frontiers in Plant Science

JF - Frontiers in Plant Science

SN - 1664-462X

M1 - 2008

ER -

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