Different land-use types equally impoverish but differentially preserve grassland species and functional traits of spider assemblages

Abstract Land-use change is one of the major drivers of biodiversity loss by introducing environmental modifications, which excludes native species unable to adapt to the novel conditions. Grasslands are among the most threatened biomes; understanding the influence of different land-use types on nat...

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Autores principales:	Carolina M. Pinto, Pamela E. Pairo, M. Isabel Bellocq, Julieta Filloy
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/a123471e031e49d3a4079cb037faf4f0
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spelling	oai:doaj.org-article:a123471e031e49d3a4079cb037faf4f02021-12-02T17:16:05ZDifferent land-use types equally impoverish but differentially preserve grassland species and functional traits of spider assemblages10.1038/s41598-021-89658-72045-2322https://doaj.org/article/a123471e031e49d3a4079cb037faf4f02021-05-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-89658-7https://doaj.org/toc/2045-2322Abstract Land-use change is one of the major drivers of biodiversity loss by introducing environmental modifications, which excludes native species unable to adapt to the novel conditions. Grasslands are among the most threatened biomes; understanding the influence of different land-use types on native species is crucial to achieving sustainable management policies. We hypothesized that land-use types that partially conserve the original vegetation cover would show higher taxonomic and functional diversity and similarity with native assemblages than land-use types that replace the original vegetation cover. We compared the taxonomic and functional alpha and beta diversity of spider assemblages between soybean crops, eucalypt plantations, and cattle fields with seminatural grasslands. Through null models, we assessed the standardized effect sizes to test differences in the strength of environmental filtering among land-use types. Environmental changes introduced by different land-use types resulted in assemblages differentiated in species and trait composition, taxonomically and functionally impoverished with respect to seminatural grasslands. All land-use types drove species replacement and trait loss and replacement of grassland spiders. Each land-use showed a characteristic species and trait composition. Most of the grassland traits were not lost but were under or over-represented according to the land-use type. Only in soybean crops the formation of spider communities would be mainly driven by environmental filtering. Changes in land-use decreased species diversity and modified the composition of spider species and functional traits leading to differentiated spider assemblages. As spider species and traits varied among land-uses, a mitigation measure against grasslands biodiversity loss could be the development of productive landscapes with a mosaic of land-use types, as each of them would provide microhabitats for species with different requirements. Because land-use types mainly led to the rearrangement of grassland functional trait values, most of spider functions might be conserved in mosaics of land-use types.Carolina M. PintoPamela E. PairoM. Isabel BellocqJulieta FilloyNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-11 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Carolina M. Pinto Pamela E. Pairo M. Isabel Bellocq Julieta Filloy Different land-use types equally impoverish but differentially preserve grassland species and functional traits of spider assemblages
description	Abstract Land-use change is one of the major drivers of biodiversity loss by introducing environmental modifications, which excludes native species unable to adapt to the novel conditions. Grasslands are among the most threatened biomes; understanding the influence of different land-use types on native species is crucial to achieving sustainable management policies. We hypothesized that land-use types that partially conserve the original vegetation cover would show higher taxonomic and functional diversity and similarity with native assemblages than land-use types that replace the original vegetation cover. We compared the taxonomic and functional alpha and beta diversity of spider assemblages between soybean crops, eucalypt plantations, and cattle fields with seminatural grasslands. Through null models, we assessed the standardized effect sizes to test differences in the strength of environmental filtering among land-use types. Environmental changes introduced by different land-use types resulted in assemblages differentiated in species and trait composition, taxonomically and functionally impoverished with respect to seminatural grasslands. All land-use types drove species replacement and trait loss and replacement of grassland spiders. Each land-use showed a characteristic species and trait composition. Most of the grassland traits were not lost but were under or over-represented according to the land-use type. Only in soybean crops the formation of spider communities would be mainly driven by environmental filtering. Changes in land-use decreased species diversity and modified the composition of spider species and functional traits leading to differentiated spider assemblages. As spider species and traits varied among land-uses, a mitigation measure against grasslands biodiversity loss could be the development of productive landscapes with a mosaic of land-use types, as each of them would provide microhabitats for species with different requirements. Because land-use types mainly led to the rearrangement of grassland functional trait values, most of spider functions might be conserved in mosaics of land-use types.
format	article
author	Carolina M. Pinto Pamela E. Pairo M. Isabel Bellocq Julieta Filloy
author_facet	Carolina M. Pinto Pamela E. Pairo M. Isabel Bellocq Julieta Filloy
author_sort	Carolina M. Pinto
title	Different land-use types equally impoverish but differentially preserve grassland species and functional traits of spider assemblages
title_short	Different land-use types equally impoverish but differentially preserve grassland species and functional traits of spider assemblages
title_full	Different land-use types equally impoverish but differentially preserve grassland species and functional traits of spider assemblages
title_fullStr	Different land-use types equally impoverish but differentially preserve grassland species and functional traits of spider assemblages
title_full_unstemmed	Different land-use types equally impoverish but differentially preserve grassland species and functional traits of spider assemblages
title_sort	different land-use types equally impoverish but differentially preserve grassland species and functional traits of spider assemblages
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/a123471e031e49d3a4079cb037faf4f0
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_version_	1718381219294478336

Different land-use types equally impoverish but differentially preserve grassland species and functional traits of spider assemblages

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