Shifts in Key Leaf Litter Traits Can Predict Effects of Plant Diversity Loss on Decomposition in Streams
Abstract Plant biodiversity loss in riparian forests is known to alter key stream ecosystem processes such as leaf litter decomposition. One potential mechanism mediating this biodiversity–decomposition relationship is the increased variability of plant functional traits at higher levels of biodiver...
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| Autor*in: |
López-Rojo, Naiara [verfasserIn] Pérez, Javier [verfasserIn] Pozo, Jesús [verfasserIn] Basaguren, Ana [verfasserIn] Apodaka-Etxebarria, Unai [verfasserIn] Correa-Araneda, Francisco [verfasserIn] Boyero, Luz [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2020 |
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| Schlagwörter: |
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| Übergeordnetes Werk: |
Enthalten in: Ecosystems - Springer-Verlag, 2000, 24(2020), 1 vom: 15. Mai, Seite 185-196 |
|---|---|
| Übergeordnetes Werk: |
volume:24 ; year:2020 ; number:1 ; day:15 ; month:05 ; pages:185-196 |
| Links: |
|---|
| DOI / URN: |
10.1007/s10021-020-00511-w |
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SPR043295630 |
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| 520 | |a Abstract Plant biodiversity loss in riparian forests is known to alter key stream ecosystem processes such as leaf litter decomposition. One potential mechanism mediating this biodiversity–decomposition relationship is the increased variability of plant functional traits at higher levels of biodiversity, providing more varied resources for decomposers and thus improving their function. We explored this in a field experiment exposing litter from different assemblages with low or high trait variability (measured through phylogenetic distance, PD) to microbial decomposers and invertebrate detritivores within litterbags in a low-order stream. Litter assemblages generally lost less mass but more phosphorus (P) than expected from monocultures, and nitrogen (N) tended to increase in the absence of detritivores and decrease in their presence, with little effect of PD. In contrast, there were strong influences of mean values and variability of specific traits (mostly N, P and condensed tannins) on decomposition and on net diversity effects. The negative diversity effect on litter mass loss was mainly driven by negative complementarity (that is, physical or chemical interference among species or traits), although there was positive selection (that is, particular species or traits with large effects on decomposition) in high-PD assemblages with detritivores. High-PD assemblages tended to have more invertebrates and attracted more typical litter-consuming detritivores. Our study suggests that decomposition of litter assemblages is mainly driven by concentration and variability of several key litter traits, rather than overall trait heterogeneity (measured through PD). However, differences in invertebrates colonizing high-PD and low-PD assemblages pointed to potential long-term effects of PD on decomposition. | ||
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| 650 | 4 | |a net diversity effect |7 (dpeaa)DE-He213 | |
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| 650 | 4 | |a selection effect |7 (dpeaa)DE-He213 | |
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10.1007/s10021-020-00511-w doi (DE-627)SPR043295630 (DE-599)SPRs10021-020-00511-w-e (SPR)s10021-020-00511-w-e DE-627 ger DE-627 rakwb eng López-Rojo, Naiara verfasserin aut Shifts in Key Leaf Litter Traits Can Predict Effects of Plant Diversity Loss on Decomposition in Streams 2020 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Plant biodiversity loss in riparian forests is known to alter key stream ecosystem processes such as leaf litter decomposition. One potential mechanism mediating this biodiversity–decomposition relationship is the increased variability of plant functional traits at higher levels of biodiversity, providing more varied resources for decomposers and thus improving their function. We explored this in a field experiment exposing litter from different assemblages with low or high trait variability (measured through phylogenetic distance, PD) to microbial decomposers and invertebrate detritivores within litterbags in a low-order stream. Litter assemblages generally lost less mass but more phosphorus (P) than expected from monocultures, and nitrogen (N) tended to increase in the absence of detritivores and decrease in their presence, with little effect of PD. In contrast, there were strong influences of mean values and variability of specific traits (mostly N, P and condensed tannins) on decomposition and on net diversity effects. The negative diversity effect on litter mass loss was mainly driven by negative complementarity (that is, physical or chemical interference among species or traits), although there was positive selection (that is, particular species or traits with large effects on decomposition) in high-PD assemblages with detritivores. High-PD assemblages tended to have more invertebrates and attracted more typical litter-consuming detritivores. Our study suggests that decomposition of litter assemblages is mainly driven by concentration and variability of several key litter traits, rather than overall trait heterogeneity (measured through PD). However, differences in invertebrates colonizing high-PD and low-PD assemblages pointed to potential long-term effects of PD on decomposition. complementarity effect (dpeaa)DE-He213 detritivores (dpeaa)DE-He213 ecosystem functioning (dpeaa)DE-He213 net diversity effect (dpeaa)DE-He213 riparian plants (dpeaa)DE-He213 selection effect (dpeaa)DE-He213 Pérez, Javier verfasserin aut Pozo, Jesús verfasserin aut Basaguren, Ana verfasserin aut Apodaka-Etxebarria, Unai verfasserin aut Correa-Araneda, Francisco verfasserin aut Boyero, Luz verfasserin aut Enthalten in Ecosystems Springer-Verlag, 2000 24(2020), 1 vom: 15. Mai, Seite 185-196 (DE-627)SPR008072272 nnns volume:24 year:2020 number:1 day:15 month:05 pages:185-196 https://dx.doi.org/10.1007/s10021-020-00511-w lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER AR 24 2020 1 15 05 185-196 |
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10.1007/s10021-020-00511-w doi (DE-627)SPR043295630 (DE-599)SPRs10021-020-00511-w-e (SPR)s10021-020-00511-w-e DE-627 ger DE-627 rakwb eng López-Rojo, Naiara verfasserin aut Shifts in Key Leaf Litter Traits Can Predict Effects of Plant Diversity Loss on Decomposition in Streams 2020 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Plant biodiversity loss in riparian forests is known to alter key stream ecosystem processes such as leaf litter decomposition. One potential mechanism mediating this biodiversity–decomposition relationship is the increased variability of plant functional traits at higher levels of biodiversity, providing more varied resources for decomposers and thus improving their function. We explored this in a field experiment exposing litter from different assemblages with low or high trait variability (measured through phylogenetic distance, PD) to microbial decomposers and invertebrate detritivores within litterbags in a low-order stream. Litter assemblages generally lost less mass but more phosphorus (P) than expected from monocultures, and nitrogen (N) tended to increase in the absence of detritivores and decrease in their presence, with little effect of PD. In contrast, there were strong influences of mean values and variability of specific traits (mostly N, P and condensed tannins) on decomposition and on net diversity effects. The negative diversity effect on litter mass loss was mainly driven by negative complementarity (that is, physical or chemical interference among species or traits), although there was positive selection (that is, particular species or traits with large effects on decomposition) in high-PD assemblages with detritivores. High-PD assemblages tended to have more invertebrates and attracted more typical litter-consuming detritivores. Our study suggests that decomposition of litter assemblages is mainly driven by concentration and variability of several key litter traits, rather than overall trait heterogeneity (measured through PD). However, differences in invertebrates colonizing high-PD and low-PD assemblages pointed to potential long-term effects of PD on decomposition. complementarity effect (dpeaa)DE-He213 detritivores (dpeaa)DE-He213 ecosystem functioning (dpeaa)DE-He213 net diversity effect (dpeaa)DE-He213 riparian plants (dpeaa)DE-He213 selection effect (dpeaa)DE-He213 Pérez, Javier verfasserin aut Pozo, Jesús verfasserin aut Basaguren, Ana verfasserin aut Apodaka-Etxebarria, Unai verfasserin aut Correa-Araneda, Francisco verfasserin aut Boyero, Luz verfasserin aut Enthalten in Ecosystems Springer-Verlag, 2000 24(2020), 1 vom: 15. Mai, Seite 185-196 (DE-627)SPR008072272 nnns volume:24 year:2020 number:1 day:15 month:05 pages:185-196 https://dx.doi.org/10.1007/s10021-020-00511-w lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER AR 24 2020 1 15 05 185-196 |
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10.1007/s10021-020-00511-w doi (DE-627)SPR043295630 (DE-599)SPRs10021-020-00511-w-e (SPR)s10021-020-00511-w-e DE-627 ger DE-627 rakwb eng López-Rojo, Naiara verfasserin aut Shifts in Key Leaf Litter Traits Can Predict Effects of Plant Diversity Loss on Decomposition in Streams 2020 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Plant biodiversity loss in riparian forests is known to alter key stream ecosystem processes such as leaf litter decomposition. One potential mechanism mediating this biodiversity–decomposition relationship is the increased variability of plant functional traits at higher levels of biodiversity, providing more varied resources for decomposers and thus improving their function. We explored this in a field experiment exposing litter from different assemblages with low or high trait variability (measured through phylogenetic distance, PD) to microbial decomposers and invertebrate detritivores within litterbags in a low-order stream. Litter assemblages generally lost less mass but more phosphorus (P) than expected from monocultures, and nitrogen (N) tended to increase in the absence of detritivores and decrease in their presence, with little effect of PD. In contrast, there were strong influences of mean values and variability of specific traits (mostly N, P and condensed tannins) on decomposition and on net diversity effects. The negative diversity effect on litter mass loss was mainly driven by negative complementarity (that is, physical or chemical interference among species or traits), although there was positive selection (that is, particular species or traits with large effects on decomposition) in high-PD assemblages with detritivores. High-PD assemblages tended to have more invertebrates and attracted more typical litter-consuming detritivores. Our study suggests that decomposition of litter assemblages is mainly driven by concentration and variability of several key litter traits, rather than overall trait heterogeneity (measured through PD). However, differences in invertebrates colonizing high-PD and low-PD assemblages pointed to potential long-term effects of PD on decomposition. complementarity effect (dpeaa)DE-He213 detritivores (dpeaa)DE-He213 ecosystem functioning (dpeaa)DE-He213 net diversity effect (dpeaa)DE-He213 riparian plants (dpeaa)DE-He213 selection effect (dpeaa)DE-He213 Pérez, Javier verfasserin aut Pozo, Jesús verfasserin aut Basaguren, Ana verfasserin aut Apodaka-Etxebarria, Unai verfasserin aut Correa-Araneda, Francisco verfasserin aut Boyero, Luz verfasserin aut Enthalten in Ecosystems Springer-Verlag, 2000 24(2020), 1 vom: 15. Mai, Seite 185-196 (DE-627)SPR008072272 nnns volume:24 year:2020 number:1 day:15 month:05 pages:185-196 https://dx.doi.org/10.1007/s10021-020-00511-w lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER AR 24 2020 1 15 05 185-196 |
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10.1007/s10021-020-00511-w doi (DE-627)SPR043295630 (DE-599)SPRs10021-020-00511-w-e (SPR)s10021-020-00511-w-e DE-627 ger DE-627 rakwb eng López-Rojo, Naiara verfasserin aut Shifts in Key Leaf Litter Traits Can Predict Effects of Plant Diversity Loss on Decomposition in Streams 2020 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Plant biodiversity loss in riparian forests is known to alter key stream ecosystem processes such as leaf litter decomposition. One potential mechanism mediating this biodiversity–decomposition relationship is the increased variability of plant functional traits at higher levels of biodiversity, providing more varied resources for decomposers and thus improving their function. We explored this in a field experiment exposing litter from different assemblages with low or high trait variability (measured through phylogenetic distance, PD) to microbial decomposers and invertebrate detritivores within litterbags in a low-order stream. Litter assemblages generally lost less mass but more phosphorus (P) than expected from monocultures, and nitrogen (N) tended to increase in the absence of detritivores and decrease in their presence, with little effect of PD. In contrast, there were strong influences of mean values and variability of specific traits (mostly N, P and condensed tannins) on decomposition and on net diversity effects. The negative diversity effect on litter mass loss was mainly driven by negative complementarity (that is, physical or chemical interference among species or traits), although there was positive selection (that is, particular species or traits with large effects on decomposition) in high-PD assemblages with detritivores. High-PD assemblages tended to have more invertebrates and attracted more typical litter-consuming detritivores. Our study suggests that decomposition of litter assemblages is mainly driven by concentration and variability of several key litter traits, rather than overall trait heterogeneity (measured through PD). However, differences in invertebrates colonizing high-PD and low-PD assemblages pointed to potential long-term effects of PD on decomposition. complementarity effect (dpeaa)DE-He213 detritivores (dpeaa)DE-He213 ecosystem functioning (dpeaa)DE-He213 net diversity effect (dpeaa)DE-He213 riparian plants (dpeaa)DE-He213 selection effect (dpeaa)DE-He213 Pérez, Javier verfasserin aut Pozo, Jesús verfasserin aut Basaguren, Ana verfasserin aut Apodaka-Etxebarria, Unai verfasserin aut Correa-Araneda, Francisco verfasserin aut Boyero, Luz verfasserin aut Enthalten in Ecosystems Springer-Verlag, 2000 24(2020), 1 vom: 15. Mai, Seite 185-196 (DE-627)SPR008072272 nnns volume:24 year:2020 number:1 day:15 month:05 pages:185-196 https://dx.doi.org/10.1007/s10021-020-00511-w lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER AR 24 2020 1 15 05 185-196 |
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10.1007/s10021-020-00511-w doi (DE-627)SPR043295630 (DE-599)SPRs10021-020-00511-w-e (SPR)s10021-020-00511-w-e DE-627 ger DE-627 rakwb eng López-Rojo, Naiara verfasserin aut Shifts in Key Leaf Litter Traits Can Predict Effects of Plant Diversity Loss on Decomposition in Streams 2020 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Plant biodiversity loss in riparian forests is known to alter key stream ecosystem processes such as leaf litter decomposition. One potential mechanism mediating this biodiversity–decomposition relationship is the increased variability of plant functional traits at higher levels of biodiversity, providing more varied resources for decomposers and thus improving their function. We explored this in a field experiment exposing litter from different assemblages with low or high trait variability (measured through phylogenetic distance, PD) to microbial decomposers and invertebrate detritivores within litterbags in a low-order stream. Litter assemblages generally lost less mass but more phosphorus (P) than expected from monocultures, and nitrogen (N) tended to increase in the absence of detritivores and decrease in their presence, with little effect of PD. In contrast, there were strong influences of mean values and variability of specific traits (mostly N, P and condensed tannins) on decomposition and on net diversity effects. The negative diversity effect on litter mass loss was mainly driven by negative complementarity (that is, physical or chemical interference among species or traits), although there was positive selection (that is, particular species or traits with large effects on decomposition) in high-PD assemblages with detritivores. High-PD assemblages tended to have more invertebrates and attracted more typical litter-consuming detritivores. Our study suggests that decomposition of litter assemblages is mainly driven by concentration and variability of several key litter traits, rather than overall trait heterogeneity (measured through PD). However, differences in invertebrates colonizing high-PD and low-PD assemblages pointed to potential long-term effects of PD on decomposition. complementarity effect (dpeaa)DE-He213 detritivores (dpeaa)DE-He213 ecosystem functioning (dpeaa)DE-He213 net diversity effect (dpeaa)DE-He213 riparian plants (dpeaa)DE-He213 selection effect (dpeaa)DE-He213 Pérez, Javier verfasserin aut Pozo, Jesús verfasserin aut Basaguren, Ana verfasserin aut Apodaka-Etxebarria, Unai verfasserin aut Correa-Araneda, Francisco verfasserin aut Boyero, Luz verfasserin aut Enthalten in Ecosystems Springer-Verlag, 2000 24(2020), 1 vom: 15. Mai, Seite 185-196 (DE-627)SPR008072272 nnns volume:24 year:2020 number:1 day:15 month:05 pages:185-196 https://dx.doi.org/10.1007/s10021-020-00511-w lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER AR 24 2020 1 15 05 185-196 |
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Shifts in Key Leaf Litter Traits Can Predict Effects of Plant Diversity Loss on Decomposition in Streams complementarity effect (dpeaa)DE-He213 detritivores (dpeaa)DE-He213 ecosystem functioning (dpeaa)DE-He213 net diversity effect (dpeaa)DE-He213 riparian plants (dpeaa)DE-He213 selection effect (dpeaa)DE-He213 |
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López-Rojo, Naiara Pérez, Javier Pozo, Jesús Basaguren, Ana Apodaka-Etxebarria, Unai Correa-Araneda, Francisco Boyero, Luz |
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shifts in key leaf litter traits can predict effects of plant diversity loss on decomposition in streams |
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Shifts in Key Leaf Litter Traits Can Predict Effects of Plant Diversity Loss on Decomposition in Streams |
| abstract |
Abstract Plant biodiversity loss in riparian forests is known to alter key stream ecosystem processes such as leaf litter decomposition. One potential mechanism mediating this biodiversity–decomposition relationship is the increased variability of plant functional traits at higher levels of biodiversity, providing more varied resources for decomposers and thus improving their function. We explored this in a field experiment exposing litter from different assemblages with low or high trait variability (measured through phylogenetic distance, PD) to microbial decomposers and invertebrate detritivores within litterbags in a low-order stream. Litter assemblages generally lost less mass but more phosphorus (P) than expected from monocultures, and nitrogen (N) tended to increase in the absence of detritivores and decrease in their presence, with little effect of PD. In contrast, there were strong influences of mean values and variability of specific traits (mostly N, P and condensed tannins) on decomposition and on net diversity effects. The negative diversity effect on litter mass loss was mainly driven by negative complementarity (that is, physical or chemical interference among species or traits), although there was positive selection (that is, particular species or traits with large effects on decomposition) in high-PD assemblages with detritivores. High-PD assemblages tended to have more invertebrates and attracted more typical litter-consuming detritivores. Our study suggests that decomposition of litter assemblages is mainly driven by concentration and variability of several key litter traits, rather than overall trait heterogeneity (measured through PD). However, differences in invertebrates colonizing high-PD and low-PD assemblages pointed to potential long-term effects of PD on decomposition. |
| abstractGer |
Abstract Plant biodiversity loss in riparian forests is known to alter key stream ecosystem processes such as leaf litter decomposition. One potential mechanism mediating this biodiversity–decomposition relationship is the increased variability of plant functional traits at higher levels of biodiversity, providing more varied resources for decomposers and thus improving their function. We explored this in a field experiment exposing litter from different assemblages with low or high trait variability (measured through phylogenetic distance, PD) to microbial decomposers and invertebrate detritivores within litterbags in a low-order stream. Litter assemblages generally lost less mass but more phosphorus (P) than expected from monocultures, and nitrogen (N) tended to increase in the absence of detritivores and decrease in their presence, with little effect of PD. In contrast, there were strong influences of mean values and variability of specific traits (mostly N, P and condensed tannins) on decomposition and on net diversity effects. The negative diversity effect on litter mass loss was mainly driven by negative complementarity (that is, physical or chemical interference among species or traits), although there was positive selection (that is, particular species or traits with large effects on decomposition) in high-PD assemblages with detritivores. High-PD assemblages tended to have more invertebrates and attracted more typical litter-consuming detritivores. Our study suggests that decomposition of litter assemblages is mainly driven by concentration and variability of several key litter traits, rather than overall trait heterogeneity (measured through PD). However, differences in invertebrates colonizing high-PD and low-PD assemblages pointed to potential long-term effects of PD on decomposition. |
| abstract_unstemmed |
Abstract Plant biodiversity loss in riparian forests is known to alter key stream ecosystem processes such as leaf litter decomposition. One potential mechanism mediating this biodiversity–decomposition relationship is the increased variability of plant functional traits at higher levels of biodiversity, providing more varied resources for decomposers and thus improving their function. We explored this in a field experiment exposing litter from different assemblages with low or high trait variability (measured through phylogenetic distance, PD) to microbial decomposers and invertebrate detritivores within litterbags in a low-order stream. Litter assemblages generally lost less mass but more phosphorus (P) than expected from monocultures, and nitrogen (N) tended to increase in the absence of detritivores and decrease in their presence, with little effect of PD. In contrast, there were strong influences of mean values and variability of specific traits (mostly N, P and condensed tannins) on decomposition and on net diversity effects. The negative diversity effect on litter mass loss was mainly driven by negative complementarity (that is, physical or chemical interference among species or traits), although there was positive selection (that is, particular species or traits with large effects on decomposition) in high-PD assemblages with detritivores. High-PD assemblages tended to have more invertebrates and attracted more typical litter-consuming detritivores. Our study suggests that decomposition of litter assemblages is mainly driven by concentration and variability of several key litter traits, rather than overall trait heterogeneity (measured through PD). However, differences in invertebrates colonizing high-PD and low-PD assemblages pointed to potential long-term effects of PD on decomposition. |
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Pérez, Javier Pozo, Jesús Basaguren, Ana Apodaka-Etxebarria, Unai Correa-Araneda, Francisco Boyero, Luz |
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