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| Article Link | http://dx.doi.org/10.1016/j.funeco.2016.05.005 |
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| DOI | 10.1016/j.funeco.2016.05.005 |
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| Abstract | Mycorrhizal associations are recognized as key symbioses in a changing world, yet our understanding of their geographic distribution and temporal dynamics remains limited. We combined data on mycorrhizal associations and historical dominant vegetation to map the pre-European Settlement mycorrhizal associations of the conterminous United States of America (USA). As a demonstration of the map's utility, we estimated changes in mycorrhizal associations due to urbanization, agriculture and the establishment of non-native species in two regions. We found that the conterminous USA was dominated by vegetation associated with arbuscular mycorrhizas, but that _40% of vegetation types included multiple mycorrhizal associations. Shifting land use to agriculture and the introduction of non-native species has disproportionately affected ectomycorrhizas, as did urbanization. These preliminary results set a baseline for mycorrhizal biogeography of the USA and illustrate how synthesis of available data can help us understand the impact of anthropogenic changes on an important mutualism. |
Created: 12/14/2017 10:30 AM (ET)
Modified: 12/14/2017 10:30 AM (ET)