Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 549357
Title Oomycetes along a 120,000 year temperate rainforest ecosystem development chronosequence
Author(s) Dickie, Ian A.; Wakelin, Angela M.; Martínez-García, Laura B.; Richardson, Sarah J.; Makiola, Andreas; Tylianakis, Jason M.
Source Fungal Ecology 39 (2019). - ISSN 1754-5048 - p. 192 - 200.
Department(s) Soil Biology
Publication type Refereed Article in a scientific journal
Publication year 2019
Keyword(s) Forest diversity - Lagena - Molecular ecology - Oomycetes - Pedogenesis - Plant–soil (below-ground) interactions - Retrogression - Succession

The occurrence of plant-associated oomycetes in natural ecosystems and particularly during long-term ecosystem development is largely unknown. Using DNA sequencing, we investigated the frequency and host relationships of plant-root-associated oomycete communities along a 120 000 y glacial chronosequence, comprising site ages with rapid compositional change (“early succession”; 5–70 y old soil); relatively stable higher-diversity sites (“mature” 280–12000 y); and ancient, nutrient-limited soils with declining plant biomass and stature (“retrogression” 60 000, 120 000 y). Plant-associated oomycetes were frequent in early successional sites, occurring in 38–65% of plant roots, but rare (mean 3%) in all older ecosystems. Oomycete OTUs occurred non-randomly with plant host species, and were more frequent on those plant species that declined most strongly in abundance between ecosystem ages. While oomycetes were common in early succession, their absence in older sites suggests a limited role in later stages of ecosystem development.

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