Global impacts of fertilization and herbivore removal on soil net nitrogen mineralization are modulated by local climate and soil properties

Global impacts of fertilization and herbivore removal on soil net nitrogen mineralization are modulated by local climate and soil properties

© 2020 John Wiley & Sons Ltd.

Bibliographische Detailangaben
Veröffentlicht in:Global change biology. - 1999. - 26(2020), 12 vom: 04. Dez., Seite 7173-7185
1. Verfasser: Risch, Anita C (VerfasserIn)
Weitere Verfasser: Zimmermann, Stefan, Moser, Barbara, Schütz, Martin, Hagedorn, Frank, Firn, Jennifer, Fay, Philip A, Adler, Peter B, Biederman, Lori A, Blair, John M, Borer, Elizabeth T, Broadbent, Arthur A D, Brown, Cynthia S, Cadotte, Marc W, Caldeira, Maria C, Davies, Kendi F, di Virgilio, Augustina, Eisenhauer, Nico, Eskelinen, Anu, Knops, Johannes M H, MacDougall, Andrew S, McCulley, Rebecca L, Melbourne, Brett A, Moore, Joslin L, Power, Sally A, Prober, Suzanne M, Seabloom, Eric W, Siebert, Julia, Silveira, Maria L, Speziale, Karina L, Stevens, Carly J, Tognetti, Pedro M, Virtanen, Risto, Yahdjian, Laura, Ochoa-Hueso, Raul
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2020
Zugriff auf das übergeordnete Werk:Global change biology
Schlagworte:Journal Article NutNet anthropogenic change global grasslands grazers nitrogen phosphorus potassium potential and realized soil net nitrogen mineralization precipitation mehr... temperature Soil Nitrogen N762921K75
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100 1 |a Risch, Anita C  |e verfasserin  |4 aut 
245 1 0 |a Global impacts of fertilization and herbivore removal on soil net nitrogen mineralization are modulated by local climate and soil properties 
264 1 |c 2020 
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500 |a Date Completed 14.04.2021 
500 |a Date Revised 14.04.2021 
500 |a published: Print-Electronic 
500 |a Citation Status MEDLINE 
520 |a © 2020 John Wiley & Sons Ltd. 
520 |a Soil nitrogen (N) availability is critical for grassland functioning. However, human activities have increased the supply of biologically limiting nutrients, and changed the density and identity of mammalian herbivores. These anthropogenic changes may alter net soil N mineralization (soil net Nmin ), that is, the net balance between N mineralization and immobilization, which could severely impact grassland structure and functioning. Yet, to date, little is known about how fertilization and herbivore removal individually, or jointly, affect soil net Nmin across a wide range of grasslands that vary in soil and climatic properties. Here we collected data from 22 grasslands on five continents, all part of a globally replicated experiment, to assess how fertilization and herbivore removal affected potential (laboratory-based) and realized (field-based) soil net Nmin . Herbivore removal in the absence of fertilization did not alter potential and realized soil net Nmin . However, fertilization alone and in combination with herbivore removal consistently increased potential soil net Nmin. Realized soil net Nmin , in contrast, significantly decreased in fertilized plots where herbivores were removed. Treatment effects on potential and realized soil net Nmin were contingent on site-specific soil and climatic properties. Fertilization effects on potential soil net Nmin were larger at sites with higher mean annual precipitation (MAP) and temperature of the wettest quarter (T.q.wet). Reciprocally, realized soil net Nmin declined most strongly with fertilization and herbivore removal at sites with lower MAP and higher T.q.wet. In summary, our findings show that anthropogenic nutrient enrichment, herbivore exclusion and alterations in future climatic conditions can negatively impact soil net Nmin across global grasslands under realistic field conditions. This is an important context-dependent knowledge for grassland management worldwide 
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650 4 |a anthropogenic change 
650 4 |a global grasslands 
650 4 |a grazers 
650 4 |a nitrogen 
650 4 |a phosphorus 
650 4 |a potassium 
650 4 |a potential and realized soil net nitrogen mineralization 
650 4 |a precipitation 
650 4 |a temperature 
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700 1 |a Zimmermann, Stefan  |e verfasserin  |4 aut 
700 1 |a Moser, Barbara  |e verfasserin  |4 aut 
700 1 |a Schütz, Martin  |e verfasserin  |4 aut 
700 1 |a Hagedorn, Frank  |e verfasserin  |4 aut 
700 1 |a Firn, Jennifer  |e verfasserin  |4 aut 
700 1 |a Fay, Philip A  |e verfasserin  |4 aut 
700 1 |a Adler, Peter B  |e verfasserin  |4 aut 
700 1 |a Biederman, Lori A  |e verfasserin  |4 aut 
700 1 |a Blair, John M  |e verfasserin  |4 aut 
700 1 |a Borer, Elizabeth T  |e verfasserin  |4 aut 
700 1 |a Broadbent, Arthur A D  |e verfasserin  |4 aut 
700 1 |a Brown, Cynthia S  |e verfasserin  |4 aut 
700 1 |a Cadotte, Marc W  |e verfasserin  |4 aut 
700 1 |a Caldeira, Maria C  |e verfasserin  |4 aut 
700 1 |a Davies, Kendi F  |e verfasserin  |4 aut 
700 1 |a di Virgilio, Augustina  |e verfasserin  |4 aut 
700 1 |a Eisenhauer, Nico  |e verfasserin  |4 aut 
700 1 |a Eskelinen, Anu  |e verfasserin  |4 aut 
700 1 |a Knops, Johannes M H  |e verfasserin  |4 aut 
700 1 |a MacDougall, Andrew S  |e verfasserin  |4 aut 
700 1 |a McCulley, Rebecca L  |e verfasserin  |4 aut 
700 1 |a Melbourne, Brett A  |e verfasserin  |4 aut 
700 1 |a Moore, Joslin L  |e verfasserin  |4 aut 
700 1 |a Power, Sally A  |e verfasserin  |4 aut 
700 1 |a Prober, Suzanne M  |e verfasserin  |4 aut 
700 1 |a Seabloom, Eric W  |e verfasserin  |4 aut 
700 1 |a Siebert, Julia  |e verfasserin  |4 aut 
700 1 |a Silveira, Maria L  |e verfasserin  |4 aut 
700 1 |a Speziale, Karina L  |e verfasserin  |4 aut 
700 1 |a Stevens, Carly J  |e verfasserin  |4 aut 
700 1 |a Tognetti, Pedro M  |e verfasserin  |4 aut 
700 1 |a Virtanen, Risto  |e verfasserin  |4 aut 
700 1 |a Yahdjian, Laura  |e verfasserin  |4 aut 
700 1 |a Ochoa-Hueso, Raul  |e verfasserin  |4 aut 
773 0 8 |i Enthalten in  |t Global change biology  |d 1999  |g 26(2020), 12 vom: 04. Dez., Seite 7173-7185  |w (DE-627)NLM098239996  |x 1365-2486  |7 nnns 
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