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231224s2015 xx |||||o 00| ||eng c |
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|a 10.1111/nph.13203
|2 doi
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|a pubmed25n0814.xml
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|a DE-627
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|e rakwb
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|a eng
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|a Laliberté, Etienne
|e verfasserin
|4 aut
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| 245 |
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|a Phosphorus limitation, soil-borne pathogens and the coexistence of plant species in hyperdiverse forests and shrublands
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|c 2015
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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| 338 |
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 04.01.2016
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|a Date Revised 30.09.2020
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a © 2014 The Authors. New Phytologist © 2014 New Phytologist Trust.
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|a Hyperdiverse forests occur in the lowland tropics, whereas the most species-rich shrublands are found in regions such as south-western Australia (kwongan) and South Africa (fynbos). Despite large differences, these ecosystems share an important characteristic: their soils are strongly weathered and phosphorus (P) is a key growth-limiting nutrient. Soil-borne pathogens are increasingly being recognized as drivers of plant diversity in lowland tropical rainforests, but have received little attention in species-rich shrublands. We suggest a trade-off in which the species most proficient at acquiring P have ephemeral roots that are particularly susceptible to soil-borne pathogens. This could equalize out the differences in competitive ability among co-occurring species in these ecosystems, thus contributing to coexistence. Moreover, effective protection against soil-borne pathogens by ectomycorrhizal (ECM) fungi might explain the occurrence of monodominant stands of ECM trees and shrubs amongst otherwise species-rich communities. We identify gaps in our knowledge which need to be filled in order to evaluate a possible link between P limitation, fine root traits, soil-borne pathogens and local plant species diversity. Such a link may help to explain how numerous plant species can coexist in hyperdiverse rainforests and shrublands, and, conversely, how monodominant stands can develop in these ecosystems
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Review
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|a Janzen-Connell hypothesis
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|a alpha diversity
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|a kwongan
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|a monodominance
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|a mycorrhizal fungi
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| 650 |
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|a negative density dependence (NDD)
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|a plant-soil feedback
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|a tropical rainforest
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|a Phosphorus
|2 NLM
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| 650 |
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|a 27YLU75U4W
|2 NLM
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| 700 |
1 |
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|a Lambers, Hans
|e verfasserin
|4 aut
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| 700 |
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|a Burgess, Treena I
|e verfasserin
|4 aut
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| 700 |
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|a Wright, S Joseph
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t The New phytologist
|d 1990
|g 206(2015), 2 vom: 27. Apr., Seite 507-21
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|x 1469-8137
|7 nnns
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|g volume:206
|g year:2015
|g number:2
|g day:27
|g month:04
|g pages:507-21
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|u http://dx.doi.org/10.1111/nph.13203
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