Invasive annual grasses show decrease in seed size but no change in growth or carbon economy following invasion

Abstract The invasion of annual grasses into historically perennial-dominated systems is a global biodiversity threat. While significant, it is not known how evolutionary changes in functional traits during the invasion process may contribute to invader success. We examined how functional traits of...
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Autor*in:	Malmberg, Courtney [verfasserIn] Sheley, Roger James, Jeremy

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2023

Schlagwörter:	Life history Evolutionary changes Seed mass

Anmerkung:	© The Author(s), under exclusive licence to Springer Nature Switzerland AG 2023. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law.

Übergeordnetes Werk:	Enthalten in: Biological invasions - Dordrecht [u.a.] : Springer Science + Business Media B.V., 1999, 25(2023), 5 vom: 12. Jan., Seite 1613-1625
Übergeordnetes Werk:	volume:25 ; year:2023 ; number:5 ; day:12 ; month:01 ; pages:1613-1625

Links:	Volltext

DOI / URN:	10.1007/s10530-023-02999-4

Katalog-ID:	SPR05001286X

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520			\|a Abstract The invasion of annual grasses into historically perennial-dominated systems is a global biodiversity threat. While significant, it is not known how evolutionary changes in functional traits during the invasion process may contribute to invader success. We examined how functional traits of a widely distributed invasive annual grass medusahead (Taeniatherum caput-medusae (L.) Nevski) differed across native-range and invaded-range populations and compared these trait values to those of a common native perennial, squirreltail (Elymus elymoides (Raf.) Swezey). In greenhouse and growth chamber studies we screened a range of plant, seed and seedling functional traits and determined how variation in these traits contributed to variation in plant biomass. Our results show medusahead maintains a higher relative growth rate (RGR) than squirreltail, but the mechanism differed depending on origin with native-range medusahead achieving a higher RGR through a higher specific leaf area and the invaded-range medusahead achieving a higher RGR though a higher net assimilation rate. Contrary to previous literature, we did not find that medusahead evolved traits allowing larger biomass in its invaded range. Instead, native-range medusahead populations grew bigger than invaded-range populations, primarily due to differences in seed size. While counter to expectations, smaller seed mass may provide invaded-range medusahead populations an advantage in terms of dispersal and higher seed bank density compared to native-range populations. Thus, life history differences, altered disturbance regimes, and a shift towards production of smaller but a greater number of seeds may act, in combination, to facilitate invasion of annual grasses into perennial dominated systems.
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allfields	10.1007/s10530-023-02999-4 doi (DE-627)SPR05001286X (SPR)s10530-023-02999-4-e DE-627 ger DE-627 rakwb eng Malmberg, Courtney verfasserin (orcid)0000-0002-8460-472X aut Invasive annual grasses show decrease in seed size but no change in growth or carbon economy following invasion 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s), under exclusive licence to Springer Nature Switzerland AG 2023. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law. Abstract The invasion of annual grasses into historically perennial-dominated systems is a global biodiversity threat. While significant, it is not known how evolutionary changes in functional traits during the invasion process may contribute to invader success. We examined how functional traits of a widely distributed invasive annual grass medusahead (Taeniatherum caput-medusae (L.) Nevski) differed across native-range and invaded-range populations and compared these trait values to those of a common native perennial, squirreltail (Elymus elymoides (Raf.) Swezey). In greenhouse and growth chamber studies we screened a range of plant, seed and seedling functional traits and determined how variation in these traits contributed to variation in plant biomass. Our results show medusahead maintains a higher relative growth rate (RGR) than squirreltail, but the mechanism differed depending on origin with native-range medusahead achieving a higher RGR through a higher specific leaf area and the invaded-range medusahead achieving a higher RGR though a higher net assimilation rate. Contrary to previous literature, we did not find that medusahead evolved traits allowing larger biomass in its invaded range. Instead, native-range medusahead populations grew bigger than invaded-range populations, primarily due to differences in seed size. While counter to expectations, smaller seed mass may provide invaded-range medusahead populations an advantage in terms of dispersal and higher seed bank density compared to native-range populations. Thus, life history differences, altered disturbance regimes, and a shift towards production of smaller but a greater number of seeds may act, in combination, to facilitate invasion of annual grasses into perennial dominated systems. Life history (dpeaa)DE-He213 Evolutionary changes (dpeaa)DE-He213 Seed mass (dpeaa)DE-He213 Sheley, Roger aut James, Jeremy aut Enthalten in Biological invasions Dordrecht [u.a.] : Springer Science + Business Media B.V., 1999 25(2023), 5 vom: 12. Jan., Seite 1613-1625 (DE-627)320524477 (DE-600)2014991-8 1573-1464 nnns volume:25 year:2023 number:5 day:12 month:01 pages:1613-1625 https://dx.doi.org/10.1007/s10530-023-02999-4 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_381 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2360 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 25 2023 5 12 01 1613-1625
spelling	10.1007/s10530-023-02999-4 doi (DE-627)SPR05001286X (SPR)s10530-023-02999-4-e DE-627 ger DE-627 rakwb eng Malmberg, Courtney verfasserin (orcid)0000-0002-8460-472X aut Invasive annual grasses show decrease in seed size but no change in growth or carbon economy following invasion 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s), under exclusive licence to Springer Nature Switzerland AG 2023. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law. Abstract The invasion of annual grasses into historically perennial-dominated systems is a global biodiversity threat. While significant, it is not known how evolutionary changes in functional traits during the invasion process may contribute to invader success. We examined how functional traits of a widely distributed invasive annual grass medusahead (Taeniatherum caput-medusae (L.) Nevski) differed across native-range and invaded-range populations and compared these trait values to those of a common native perennial, squirreltail (Elymus elymoides (Raf.) Swezey). In greenhouse and growth chamber studies we screened a range of plant, seed and seedling functional traits and determined how variation in these traits contributed to variation in plant biomass. Our results show medusahead maintains a higher relative growth rate (RGR) than squirreltail, but the mechanism differed depending on origin with native-range medusahead achieving a higher RGR through a higher specific leaf area and the invaded-range medusahead achieving a higher RGR though a higher net assimilation rate. Contrary to previous literature, we did not find that medusahead evolved traits allowing larger biomass in its invaded range. Instead, native-range medusahead populations grew bigger than invaded-range populations, primarily due to differences in seed size. While counter to expectations, smaller seed mass may provide invaded-range medusahead populations an advantage in terms of dispersal and higher seed bank density compared to native-range populations. Thus, life history differences, altered disturbance regimes, and a shift towards production of smaller but a greater number of seeds may act, in combination, to facilitate invasion of annual grasses into perennial dominated systems. Life history (dpeaa)DE-He213 Evolutionary changes (dpeaa)DE-He213 Seed mass (dpeaa)DE-He213 Sheley, Roger aut James, Jeremy aut Enthalten in Biological invasions Dordrecht [u.a.] : Springer Science + Business Media B.V., 1999 25(2023), 5 vom: 12. Jan., Seite 1613-1625 (DE-627)320524477 (DE-600)2014991-8 1573-1464 nnns volume:25 year:2023 number:5 day:12 month:01 pages:1613-1625 https://dx.doi.org/10.1007/s10530-023-02999-4 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_381 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2360 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 25 2023 5 12 01 1613-1625
allfields_unstemmed	10.1007/s10530-023-02999-4 doi (DE-627)SPR05001286X (SPR)s10530-023-02999-4-e DE-627 ger DE-627 rakwb eng Malmberg, Courtney verfasserin (orcid)0000-0002-8460-472X aut Invasive annual grasses show decrease in seed size but no change in growth or carbon economy following invasion 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s), under exclusive licence to Springer Nature Switzerland AG 2023. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law. Abstract The invasion of annual grasses into historically perennial-dominated systems is a global biodiversity threat. While significant, it is not known how evolutionary changes in functional traits during the invasion process may contribute to invader success. We examined how functional traits of a widely distributed invasive annual grass medusahead (Taeniatherum caput-medusae (L.) Nevski) differed across native-range and invaded-range populations and compared these trait values to those of a common native perennial, squirreltail (Elymus elymoides (Raf.) Swezey). In greenhouse and growth chamber studies we screened a range of plant, seed and seedling functional traits and determined how variation in these traits contributed to variation in plant biomass. Our results show medusahead maintains a higher relative growth rate (RGR) than squirreltail, but the mechanism differed depending on origin with native-range medusahead achieving a higher RGR through a higher specific leaf area and the invaded-range medusahead achieving a higher RGR though a higher net assimilation rate. Contrary to previous literature, we did not find that medusahead evolved traits allowing larger biomass in its invaded range. Instead, native-range medusahead populations grew bigger than invaded-range populations, primarily due to differences in seed size. While counter to expectations, smaller seed mass may provide invaded-range medusahead populations an advantage in terms of dispersal and higher seed bank density compared to native-range populations. Thus, life history differences, altered disturbance regimes, and a shift towards production of smaller but a greater number of seeds may act, in combination, to facilitate invasion of annual grasses into perennial dominated systems. Life history (dpeaa)DE-He213 Evolutionary changes (dpeaa)DE-He213 Seed mass (dpeaa)DE-He213 Sheley, Roger aut James, Jeremy aut Enthalten in Biological invasions Dordrecht [u.a.] : Springer Science + Business Media B.V., 1999 25(2023), 5 vom: 12. Jan., Seite 1613-1625 (DE-627)320524477 (DE-600)2014991-8 1573-1464 nnns volume:25 year:2023 number:5 day:12 month:01 pages:1613-1625 https://dx.doi.org/10.1007/s10530-023-02999-4 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_381 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2360 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 25 2023 5 12 01 1613-1625
allfieldsGer	10.1007/s10530-023-02999-4 doi (DE-627)SPR05001286X (SPR)s10530-023-02999-4-e DE-627 ger DE-627 rakwb eng Malmberg, Courtney verfasserin (orcid)0000-0002-8460-472X aut Invasive annual grasses show decrease in seed size but no change in growth or carbon economy following invasion 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s), under exclusive licence to Springer Nature Switzerland AG 2023. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law. Abstract The invasion of annual grasses into historically perennial-dominated systems is a global biodiversity threat. While significant, it is not known how evolutionary changes in functional traits during the invasion process may contribute to invader success. We examined how functional traits of a widely distributed invasive annual grass medusahead (Taeniatherum caput-medusae (L.) Nevski) differed across native-range and invaded-range populations and compared these trait values to those of a common native perennial, squirreltail (Elymus elymoides (Raf.) Swezey). In greenhouse and growth chamber studies we screened a range of plant, seed and seedling functional traits and determined how variation in these traits contributed to variation in plant biomass. Our results show medusahead maintains a higher relative growth rate (RGR) than squirreltail, but the mechanism differed depending on origin with native-range medusahead achieving a higher RGR through a higher specific leaf area and the invaded-range medusahead achieving a higher RGR though a higher net assimilation rate. Contrary to previous literature, we did not find that medusahead evolved traits allowing larger biomass in its invaded range. Instead, native-range medusahead populations grew bigger than invaded-range populations, primarily due to differences in seed size. While counter to expectations, smaller seed mass may provide invaded-range medusahead populations an advantage in terms of dispersal and higher seed bank density compared to native-range populations. Thus, life history differences, altered disturbance regimes, and a shift towards production of smaller but a greater number of seeds may act, in combination, to facilitate invasion of annual grasses into perennial dominated systems. Life history (dpeaa)DE-He213 Evolutionary changes (dpeaa)DE-He213 Seed mass (dpeaa)DE-He213 Sheley, Roger aut James, Jeremy aut Enthalten in Biological invasions Dordrecht [u.a.] : Springer Science + Business Media B.V., 1999 25(2023), 5 vom: 12. Jan., Seite 1613-1625 (DE-627)320524477 (DE-600)2014991-8 1573-1464 nnns volume:25 year:2023 number:5 day:12 month:01 pages:1613-1625 https://dx.doi.org/10.1007/s10530-023-02999-4 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_381 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2360 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 25 2023 5 12 01 1613-1625
allfieldsSound	10.1007/s10530-023-02999-4 doi (DE-627)SPR05001286X (SPR)s10530-023-02999-4-e DE-627 ger DE-627 rakwb eng Malmberg, Courtney verfasserin (orcid)0000-0002-8460-472X aut Invasive annual grasses show decrease in seed size but no change in growth or carbon economy following invasion 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s), under exclusive licence to Springer Nature Switzerland AG 2023. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law. Abstract The invasion of annual grasses into historically perennial-dominated systems is a global biodiversity threat. While significant, it is not known how evolutionary changes in functional traits during the invasion process may contribute to invader success. We examined how functional traits of a widely distributed invasive annual grass medusahead (Taeniatherum caput-medusae (L.) Nevski) differed across native-range and invaded-range populations and compared these trait values to those of a common native perennial, squirreltail (Elymus elymoides (Raf.) Swezey). In greenhouse and growth chamber studies we screened a range of plant, seed and seedling functional traits and determined how variation in these traits contributed to variation in plant biomass. Our results show medusahead maintains a higher relative growth rate (RGR) than squirreltail, but the mechanism differed depending on origin with native-range medusahead achieving a higher RGR through a higher specific leaf area and the invaded-range medusahead achieving a higher RGR though a higher net assimilation rate. Contrary to previous literature, we did not find that medusahead evolved traits allowing larger biomass in its invaded range. Instead, native-range medusahead populations grew bigger than invaded-range populations, primarily due to differences in seed size. While counter to expectations, smaller seed mass may provide invaded-range medusahead populations an advantage in terms of dispersal and higher seed bank density compared to native-range populations. Thus, life history differences, altered disturbance regimes, and a shift towards production of smaller but a greater number of seeds may act, in combination, to facilitate invasion of annual grasses into perennial dominated systems. Life history (dpeaa)DE-He213 Evolutionary changes (dpeaa)DE-He213 Seed mass (dpeaa)DE-He213 Sheley, Roger aut James, Jeremy aut Enthalten in Biological invasions Dordrecht [u.a.] : Springer Science + Business Media B.V., 1999 25(2023), 5 vom: 12. Jan., Seite 1613-1625 (DE-627)320524477 (DE-600)2014991-8 1573-1464 nnns volume:25 year:2023 number:5 day:12 month:01 pages:1613-1625 https://dx.doi.org/10.1007/s10530-023-02999-4 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_381 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2360 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 25 2023 5 12 01 1613-1625
language	English
source	Enthalten in Biological invasions 25(2023), 5 vom: 12. Jan., Seite 1613-1625 volume:25 year:2023 number:5 day:12 month:01 pages:1613-1625
sourceStr	Enthalten in Biological invasions 25(2023), 5 vom: 12. Jan., Seite 1613-1625 volume:25 year:2023 number:5 day:12 month:01 pages:1613-1625
format_phy_str_mv	Article
institution	findex.gbv.de
topic_facet	Life history Evolutionary changes Seed mass
isfreeaccess_bool	false
container_title	Biological invasions
authorswithroles_txt_mv	Malmberg, Courtney @@aut@@ Sheley, Roger @@aut@@ James, Jeremy @@aut@@
publishDateDaySort_date	2023-01-12T00:00:00Z
hierarchy_top_id	320524477
id	SPR05001286X
language_de	englisch
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author	Malmberg, Courtney
spellingShingle	Malmberg, Courtney misc Life history misc Evolutionary changes misc Seed mass Invasive annual grasses show decrease in seed size but no change in growth or carbon economy following invasion
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topic_title	Invasive annual grasses show decrease in seed size but no change in growth or carbon economy following invasion Life history (dpeaa)DE-He213 Evolutionary changes (dpeaa)DE-He213 Seed mass (dpeaa)DE-He213
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title	Invasive annual grasses show decrease in seed size but no change in growth or carbon economy following invasion
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title_full	Invasive annual grasses show decrease in seed size but no change in growth or carbon economy following invasion
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title_sort	invasive annual grasses show decrease in seed size but no change in growth or carbon economy following invasion
title_auth	Invasive annual grasses show decrease in seed size but no change in growth or carbon economy following invasion
abstract	Abstract The invasion of annual grasses into historically perennial-dominated systems is a global biodiversity threat. While significant, it is not known how evolutionary changes in functional traits during the invasion process may contribute to invader success. We examined how functional traits of a widely distributed invasive annual grass medusahead (Taeniatherum caput-medusae (L.) Nevski) differed across native-range and invaded-range populations and compared these trait values to those of a common native perennial, squirreltail (Elymus elymoides (Raf.) Swezey). In greenhouse and growth chamber studies we screened a range of plant, seed and seedling functional traits and determined how variation in these traits contributed to variation in plant biomass. Our results show medusahead maintains a higher relative growth rate (RGR) than squirreltail, but the mechanism differed depending on origin with native-range medusahead achieving a higher RGR through a higher specific leaf area and the invaded-range medusahead achieving a higher RGR though a higher net assimilation rate. Contrary to previous literature, we did not find that medusahead evolved traits allowing larger biomass in its invaded range. Instead, native-range medusahead populations grew bigger than invaded-range populations, primarily due to differences in seed size. While counter to expectations, smaller seed mass may provide invaded-range medusahead populations an advantage in terms of dispersal and higher seed bank density compared to native-range populations. Thus, life history differences, altered disturbance regimes, and a shift towards production of smaller but a greater number of seeds may act, in combination, to facilitate invasion of annual grasses into perennial dominated systems. © The Author(s), under exclusive licence to Springer Nature Switzerland AG 2023. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law.
abstractGer	Abstract The invasion of annual grasses into historically perennial-dominated systems is a global biodiversity threat. While significant, it is not known how evolutionary changes in functional traits during the invasion process may contribute to invader success. We examined how functional traits of a widely distributed invasive annual grass medusahead (Taeniatherum caput-medusae (L.) Nevski) differed across native-range and invaded-range populations and compared these trait values to those of a common native perennial, squirreltail (Elymus elymoides (Raf.) Swezey). In greenhouse and growth chamber studies we screened a range of plant, seed and seedling functional traits and determined how variation in these traits contributed to variation in plant biomass. Our results show medusahead maintains a higher relative growth rate (RGR) than squirreltail, but the mechanism differed depending on origin with native-range medusahead achieving a higher RGR through a higher specific leaf area and the invaded-range medusahead achieving a higher RGR though a higher net assimilation rate. Contrary to previous literature, we did not find that medusahead evolved traits allowing larger biomass in its invaded range. Instead, native-range medusahead populations grew bigger than invaded-range populations, primarily due to differences in seed size. While counter to expectations, smaller seed mass may provide invaded-range medusahead populations an advantage in terms of dispersal and higher seed bank density compared to native-range populations. Thus, life history differences, altered disturbance regimes, and a shift towards production of smaller but a greater number of seeds may act, in combination, to facilitate invasion of annual grasses into perennial dominated systems. © The Author(s), under exclusive licence to Springer Nature Switzerland AG 2023. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law.
abstract_unstemmed	Abstract The invasion of annual grasses into historically perennial-dominated systems is a global biodiversity threat. While significant, it is not known how evolutionary changes in functional traits during the invasion process may contribute to invader success. We examined how functional traits of a widely distributed invasive annual grass medusahead (Taeniatherum caput-medusae (L.) Nevski) differed across native-range and invaded-range populations and compared these trait values to those of a common native perennial, squirreltail (Elymus elymoides (Raf.) Swezey). In greenhouse and growth chamber studies we screened a range of plant, seed and seedling functional traits and determined how variation in these traits contributed to variation in plant biomass. Our results show medusahead maintains a higher relative growth rate (RGR) than squirreltail, but the mechanism differed depending on origin with native-range medusahead achieving a higher RGR through a higher specific leaf area and the invaded-range medusahead achieving a higher RGR though a higher net assimilation rate. Contrary to previous literature, we did not find that medusahead evolved traits allowing larger biomass in its invaded range. Instead, native-range medusahead populations grew bigger than invaded-range populations, primarily due to differences in seed size. While counter to expectations, smaller seed mass may provide invaded-range medusahead populations an advantage in terms of dispersal and higher seed bank density compared to native-range populations. Thus, life history differences, altered disturbance regimes, and a shift towards production of smaller but a greater number of seeds may act, in combination, to facilitate invasion of annual grasses into perennial dominated systems. © The Author(s), under exclusive licence to Springer Nature Switzerland AG 2023. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law.
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title_short	Invasive annual grasses show decrease in seed size but no change in growth or carbon economy following invasion
url	https://dx.doi.org/10.1007/s10530-023-02999-4
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up_date	2024-07-04T03:07:27.321Z
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Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law.</subfield></datafield><datafield tag="520" ind1=" " ind2=" "><subfield code="a">Abstract The invasion of annual grasses into historically perennial-dominated systems is a global biodiversity threat. While significant, it is not known how evolutionary changes in functional traits during the invasion process may contribute to invader success. We examined how functional traits of a widely distributed invasive annual grass medusahead (Taeniatherum caput-medusae (L.) Nevski) differed across native-range and invaded-range populations and compared these trait values to those of a common native perennial, squirreltail (Elymus elymoides (Raf.) Swezey). In greenhouse and growth chamber studies we screened a range of plant, seed and seedling functional traits and determined how variation in these traits contributed to variation in plant biomass. Our results show medusahead maintains a higher relative growth rate (RGR) than squirreltail, but the mechanism differed depending on origin with native-range medusahead achieving a higher RGR through a higher specific leaf area and the invaded-range medusahead achieving a higher RGR though a higher net assimilation rate. Contrary to previous literature, we did not find that medusahead evolved traits allowing larger biomass in its invaded range. Instead, native-range medusahead populations grew bigger than invaded-range populations, primarily due to differences in seed size. While counter to expectations, smaller seed mass may provide invaded-range medusahead populations an advantage in terms of dispersal and higher seed bank density compared to native-range populations. 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