نتایج جستجو برای: mosses
تعداد نتایج: 3087 فیلتر نتایج به سال:
Soil mosses are among the most widely distributed organisms on land. Experiments and observations suggest that they contribute to terrestrial soil biodiversity function, yet their ecological contribution has never been assessed globally under natural conditions. Here we conducted comprehensive global standardized field study quantify how influence 8 ecosystem services associated with 24 functio...
Mosses (Dicranum scoparium) preconditioned at both high (12°-22°C) and low (0°10°C) ambient temperature ranges, and studied at incubation temperatures of 5°C or 22°C respectively, actively metabolized acetate-2-C. These plants malic, citric, aspartic, and glutamic acids became highly radioactive. The radioactivity was followed by solubility, columnand thin-layer chromatography, radioautography,...
Global environmental changes are leading to an increase in localized abnormally low temperatures and increasing nitrogen (N) deposition is a phenomenon recognized worldwide. Both low temperature stress (LTS) and excess N induce oxidative stress in plants, and excess N also reduces their resistance to LTS. Mosses are primitive plants that are generally more sensitive to alterations in environmen...
The biological fixation of atmospheric nitrogen (N) is a major pathway for available N entering ecosystems. In N-limited boreal forests, a significant amount of N2 is fixed by cyanobacteria living in association with mosses, contributing up to 50% to the total N input. In this review, we synthesize reports on the drivers of N2 fixation in feather moss-cyanobacteria associations to gain a deeper...
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