کد مقاله کد نشریه سال انتشار مقاله انگلیسی ترجمه فارسی نسخه تمام متن
5517688 1401021 2017 12 صفحه PDF سفارش دهید دانلود رایگان
عنوان انگلیسی مقاله ISI
Ectomycorrhizal community composition and structure of a mature red alder (Alnus rubra) stand
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موضوعات مرتبط
علوم زیستی و بیوفناوری علوم کشاورزی و بیولوژیک بوم شناسی، تکامل، رفتار و سامانه شناسی
پیش نمایش صفحه اول مقاله
Ectomycorrhizal community composition and structure of a mature red alder (Alnus rubra) stand
چکیده انگلیسی

Regional and global studies of ectomycorrhizal fungal (EMF) communities associated with Alnus have made progress in determining the key factors that influence EMF diversity and biogeography. Smaller scale studies provide a valuable complement by relating EMF to environmental gradients and describing how community composition is influenced by competition and niche partitioning. We examined controls on EMF community composition in an 80 y-old Alnus rubra stand. EMF species were identified using root tip morphology and DNA sequencing, and related to soil variables (soil moisture, total C, total N, C:N ratio, PO4-P, soil pH) and to Frankia nodulation using Threshold Indicator Taxa ANalysis (TITAN) and multivariate techniques. Twenty-two EMF species were identified, including 14 that are new associates of A. rubra. EMF community composition varied temporally and was influenced by Frankia nodulation and soil chemistry. Species co-occurrence patterns suggest niche partitioning and competitive exclusion interact with subtle differences in the soil environment to influence EMF community composition.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Fungal Ecology - Volume 27, Part A, June 2017, Pages 47-58
نویسندگان
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