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Soil biotic quality lacks spatial structure and is positively associated with fertility in a northern grassland
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| Zeitschriftentitel: | Journal of Ecology |
|---|---|
| Personen und Körperschaften: | , , , |
| In: | Journal of Ecology, 106, 2018, 1, S. 195-206 |
| Format: | E-Article |
| Sprache: | Englisch |
| veröffentlicht: |
Wiley
|
| Schlagwörter: |
| author_facet |
Chagnon, Pierre‐Luc Brown, Charlotte Stotz, Gisela C. Cahill, James F. Chagnon, Pierre‐Luc Brown, Charlotte Stotz, Gisela C. Cahill, James F. |
|---|---|
| author |
Chagnon, Pierre‐Luc Brown, Charlotte Stotz, Gisela C. Cahill, James F. |
| spellingShingle |
Chagnon, Pierre‐Luc Brown, Charlotte Stotz, Gisela C. Cahill, James F. Journal of Ecology Soil biotic quality lacks spatial structure and is positively associated with fertility in a northern grassland Plant Science Ecology Ecology, Evolution, Behavior and Systematics |
| author_sort |
chagnon, pierre‐luc |
| spelling |
Chagnon, Pierre‐Luc Brown, Charlotte Stotz, Gisela C. Cahill, James F. 0022-0477 1365-2745 Wiley Plant Science Ecology Ecology, Evolution, Behavior and Systematics http://dx.doi.org/10.1111/1365-2745.12844 <jats:title>Abstract</jats:title><jats:p> <jats:list> <jats:list-item> <jats:p>When placing roots in the soil, plants integrate information about soil nutrients, plant neighbours and beneficial/detrimental soil organisms. While the fine‐scale spatial heterogeneity in soil nutrients and plant neighbours have been described previously, virtually nothing is known about the spatial structure in soil biotic quality (measured here as a soil Biota‐Induced plant Growth Response, or BIGR), or its correlation with nutrients or neighbours. Such correlations could imply trade‐offs in root placement decisions.</jats:p> </jats:list-item> <jats:list-item> <jats:p>Theory would predict that soil BIGR is (1) negatively related to soil fertility and (2) associated with plant community structure, such that plants influence soil biota (and vice versa) through plant–soil feedbacks. We would also expect that since plants have species‐specific impacts on soil organisms, spatially homogeneous plant communities should also homogenize soil BIGR.</jats:p> </jats:list-item> <jats:list-item> <jats:p>Here, we test these hypotheses in a semi‐arid grassland by (1) characterizing the spatial structure of soil BIGR at a scale experienced by an individual plant and (2) correlating it to soil abiotic properties and plant community structure. We do so in two types of plant communities: (1) low‐diversity patches dominated by an invasive grass (<jats:italic>Bromus inermis</jats:italic> Leyss.) and (2) patches covered mostly by native vegetation, with the expectation that dominance by <jats:italic>Bromus</jats:italic> would homogenize soil BIGR.</jats:p> </jats:list-item> <jats:list-item> <jats:p>Soil BIGR was spatially heterogeneous, but not autocorrelated. This was true in both vegetation types (<jats:italic>Bromus</jats:italic>‐invaded vs. native patches). Conversely, soil abiotic properties and plant community structure were frequently spatially autocorrelated at similar scales. Also, contrary to many studies, we found a positive correlation between soil BIGR and soil fertility. Soil BIGR was also associated with plant community structure.</jats:p> </jats:list-item> <jats:list-item> <jats:p><jats:italic>Synthesis</jats:italic>. The positive correlation between soil BIGR and some soil nutrient levels suggests that plants do not necessarily trade‐off between foraging for nutrients vs. biotic interactions: nutritional cues could rather indicate the presence of beneficial soil biota. Moreover, the spatial structure in plant communities, coupled with their correlation with soil BIGR, jointly suggest that plant–soil feedbacks operate at local scales in the field: this has been identified in modelling studies as an important driver of plant coexistence.</jats:p> </jats:list-item> </jats:list> </jats:p> Soil biotic quality lacks spatial structure and is positively associated with fertility in a northern grassland Journal of Ecology |
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Wiley, 2018 |
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2018 |
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Wiley |
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Journal of Ecology |
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| title |
Soil biotic quality lacks spatial structure and is positively associated with fertility in a northern grassland |
| title_unstemmed |
Soil biotic quality lacks spatial structure and is positively associated with fertility in a northern grassland |
| title_full |
Soil biotic quality lacks spatial structure and is positively associated with fertility in a northern grassland |
| title_fullStr |
Soil biotic quality lacks spatial structure and is positively associated with fertility in a northern grassland |
| title_full_unstemmed |
Soil biotic quality lacks spatial structure and is positively associated with fertility in a northern grassland |
| title_short |
Soil biotic quality lacks spatial structure and is positively associated with fertility in a northern grassland |
| title_sort |
soil biotic quality lacks spatial structure and is positively associated with fertility in a northern grassland |
| topic |
Plant Science Ecology Ecology, Evolution, Behavior and Systematics |
| url |
http://dx.doi.org/10.1111/1365-2745.12844 |
| publishDate |
2018 |
| physical |
195-206 |
| description |
<jats:title>Abstract</jats:title><jats:p>
<jats:list>
<jats:list-item>
<jats:p>When placing roots in the soil, plants integrate information about soil nutrients, plant neighbours and beneficial/detrimental soil organisms. While the fine‐scale spatial heterogeneity in soil nutrients and plant neighbours have been described previously, virtually nothing is known about the spatial structure in soil biotic quality (measured here as a soil Biota‐Induced plant Growth Response, or BIGR), or its correlation with nutrients or neighbours. Such correlations could imply trade‐offs in root placement decisions.</jats:p>
</jats:list-item>
<jats:list-item>
<jats:p>Theory would predict that soil BIGR is (1) negatively related to soil fertility and (2) associated with plant community structure, such that plants influence soil biota (and vice versa) through plant–soil feedbacks. We would also expect that since plants have species‐specific impacts on soil organisms, spatially homogeneous plant communities should also homogenize soil BIGR.</jats:p>
</jats:list-item>
<jats:list-item>
<jats:p>Here, we test these hypotheses in a semi‐arid grassland by (1) characterizing the spatial structure of soil BIGR at a scale experienced by an individual plant and (2) correlating it to soil abiotic properties and plant community structure. We do so in two types of plant communities: (1) low‐diversity patches dominated by an invasive grass (<jats:italic>Bromus inermis</jats:italic> Leyss.) and (2) patches covered mostly by native vegetation, with the expectation that dominance by <jats:italic>Bromus</jats:italic> would homogenize soil BIGR.</jats:p>
</jats:list-item>
<jats:list-item>
<jats:p>Soil BIGR was spatially heterogeneous, but not autocorrelated. This was true in both vegetation types (<jats:italic>Bromus</jats:italic>‐invaded vs. native patches). Conversely, soil abiotic properties and plant community structure were frequently spatially autocorrelated at similar scales. Also, contrary to many studies, we found a positive correlation between soil BIGR and soil fertility. Soil BIGR was also associated with plant community structure.</jats:p>
</jats:list-item>
<jats:list-item>
<jats:p><jats:italic>Synthesis</jats:italic>. The positive correlation between soil BIGR and some soil nutrient levels suggests that plants do not necessarily trade‐off between foraging for nutrients vs. biotic interactions: nutritional cues could rather indicate the presence of beneficial soil biota. Moreover, the spatial structure in plant communities, coupled with their correlation with soil BIGR, jointly suggest that plant–soil feedbacks operate at local scales in the field: this has been identified in modelling studies as an important driver of plant coexistence.</jats:p>
</jats:list-item>
</jats:list>
</jats:p> |
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| description | <jats:title>Abstract</jats:title><jats:p> <jats:list> <jats:list-item> <jats:p>When placing roots in the soil, plants integrate information about soil nutrients, plant neighbours and beneficial/detrimental soil organisms. While the fine‐scale spatial heterogeneity in soil nutrients and plant neighbours have been described previously, virtually nothing is known about the spatial structure in soil biotic quality (measured here as a soil Biota‐Induced plant Growth Response, or BIGR), or its correlation with nutrients or neighbours. Such correlations could imply trade‐offs in root placement decisions.</jats:p> </jats:list-item> <jats:list-item> <jats:p>Theory would predict that soil BIGR is (1) negatively related to soil fertility and (2) associated with plant community structure, such that plants influence soil biota (and vice versa) through plant–soil feedbacks. We would also expect that since plants have species‐specific impacts on soil organisms, spatially homogeneous plant communities should also homogenize soil BIGR.</jats:p> </jats:list-item> <jats:list-item> <jats:p>Here, we test these hypotheses in a semi‐arid grassland by (1) characterizing the spatial structure of soil BIGR at a scale experienced by an individual plant and (2) correlating it to soil abiotic properties and plant community structure. We do so in two types of plant communities: (1) low‐diversity patches dominated by an invasive grass (<jats:italic>Bromus inermis</jats:italic> Leyss.) and (2) patches covered mostly by native vegetation, with the expectation that dominance by <jats:italic>Bromus</jats:italic> would homogenize soil BIGR.</jats:p> </jats:list-item> <jats:list-item> <jats:p>Soil BIGR was spatially heterogeneous, but not autocorrelated. This was true in both vegetation types (<jats:italic>Bromus</jats:italic>‐invaded vs. native patches). Conversely, soil abiotic properties and plant community structure were frequently spatially autocorrelated at similar scales. Also, contrary to many studies, we found a positive correlation between soil BIGR and soil fertility. Soil BIGR was also associated with plant community structure.</jats:p> </jats:list-item> <jats:list-item> <jats:p><jats:italic>Synthesis</jats:italic>. The positive correlation between soil BIGR and some soil nutrient levels suggests that plants do not necessarily trade‐off between foraging for nutrients vs. biotic interactions: nutritional cues could rather indicate the presence of beneficial soil biota. Moreover, the spatial structure in plant communities, coupled with their correlation with soil BIGR, jointly suggest that plant–soil feedbacks operate at local scales in the field: this has been identified in modelling studies as an important driver of plant coexistence.</jats:p> </jats:list-item> </jats:list> </jats:p> |
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| spelling | Chagnon, Pierre‐Luc Brown, Charlotte Stotz, Gisela C. Cahill, James F. 0022-0477 1365-2745 Wiley Plant Science Ecology Ecology, Evolution, Behavior and Systematics http://dx.doi.org/10.1111/1365-2745.12844 <jats:title>Abstract</jats:title><jats:p> <jats:list> <jats:list-item> <jats:p>When placing roots in the soil, plants integrate information about soil nutrients, plant neighbours and beneficial/detrimental soil organisms. While the fine‐scale spatial heterogeneity in soil nutrients and plant neighbours have been described previously, virtually nothing is known about the spatial structure in soil biotic quality (measured here as a soil Biota‐Induced plant Growth Response, or BIGR), or its correlation with nutrients or neighbours. Such correlations could imply trade‐offs in root placement decisions.</jats:p> </jats:list-item> <jats:list-item> <jats:p>Theory would predict that soil BIGR is (1) negatively related to soil fertility and (2) associated with plant community structure, such that plants influence soil biota (and vice versa) through plant–soil feedbacks. We would also expect that since plants have species‐specific impacts on soil organisms, spatially homogeneous plant communities should also homogenize soil BIGR.</jats:p> </jats:list-item> <jats:list-item> <jats:p>Here, we test these hypotheses in a semi‐arid grassland by (1) characterizing the spatial structure of soil BIGR at a scale experienced by an individual plant and (2) correlating it to soil abiotic properties and plant community structure. We do so in two types of plant communities: (1) low‐diversity patches dominated by an invasive grass (<jats:italic>Bromus inermis</jats:italic> Leyss.) and (2) patches covered mostly by native vegetation, with the expectation that dominance by <jats:italic>Bromus</jats:italic> would homogenize soil BIGR.</jats:p> </jats:list-item> <jats:list-item> <jats:p>Soil BIGR was spatially heterogeneous, but not autocorrelated. This was true in both vegetation types (<jats:italic>Bromus</jats:italic>‐invaded vs. native patches). Conversely, soil abiotic properties and plant community structure were frequently spatially autocorrelated at similar scales. Also, contrary to many studies, we found a positive correlation between soil BIGR and soil fertility. Soil BIGR was also associated with plant community structure.</jats:p> </jats:list-item> <jats:list-item> <jats:p><jats:italic>Synthesis</jats:italic>. The positive correlation between soil BIGR and some soil nutrient levels suggests that plants do not necessarily trade‐off between foraging for nutrients vs. biotic interactions: nutritional cues could rather indicate the presence of beneficial soil biota. Moreover, the spatial structure in plant communities, coupled with their correlation with soil BIGR, jointly suggest that plant–soil feedbacks operate at local scales in the field: this has been identified in modelling studies as an important driver of plant coexistence.</jats:p> </jats:list-item> </jats:list> </jats:p> Soil biotic quality lacks spatial structure and is positively associated with fertility in a northern grassland Journal of Ecology |
| spellingShingle | Chagnon, Pierre‐Luc, Brown, Charlotte, Stotz, Gisela C., Cahill, James F., Journal of Ecology, Soil biotic quality lacks spatial structure and is positively associated with fertility in a northern grassland, Plant Science, Ecology, Ecology, Evolution, Behavior and Systematics |
| title | Soil biotic quality lacks spatial structure and is positively associated with fertility in a northern grassland |
| title_full | Soil biotic quality lacks spatial structure and is positively associated with fertility in a northern grassland |
| title_fullStr | Soil biotic quality lacks spatial structure and is positively associated with fertility in a northern grassland |
| title_full_unstemmed | Soil biotic quality lacks spatial structure and is positively associated with fertility in a northern grassland |
| title_short | Soil biotic quality lacks spatial structure and is positively associated with fertility in a northern grassland |
| title_sort | soil biotic quality lacks spatial structure and is positively associated with fertility in a northern grassland |
| title_unstemmed | Soil biotic quality lacks spatial structure and is positively associated with fertility in a northern grassland |
| topic | Plant Science, Ecology, Ecology, Evolution, Behavior and Systematics |
| url | http://dx.doi.org/10.1111/1365-2745.12844 |