A5078891150- Peatlands and Wetlands Ecology
- Bryophyte Studies and Records
- Lichen and fungal ecology
- Microbial Community Ecology and Physiology
- Soil Carbon and Nitrogen Dynamics
- Climate change and permafrost
University of Copenhagen
2021-2023
Abstract Tropical mountain cloud forests (TMCF) harbour a high bryophyte (mosses and liverworts) biomass diversity. Furthermore, the air humidity makes these well suited for bryophyte‐associated nitrogen (N 2 ) fixation by cyanobacteria, providing potentially important source of N input to ecosystem. However, few studies have assessed in ecosystems, focused on epiphytic bryophytes, whereas abundant ground‐covering bryophytes not been included. In this study, we quantified rates associated...
Tropical cloud forests are characterized by abundant and biodiverse mosses which grow epiphytically as well on the ground. Nitrogen (N)-fixing cyanobacteria live in association with most mosses, contribute greatly to N pool via biological nitrogen fixation (BNF). However, availability of nutrients, especially phosphorus (P), can influence BNF rates drastically. To evaluate effects increased P we conducted a laboratory experiment where added P, isolation combined, three (Campylopus sp.,...
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<p>Moss-associated cyanobacteria have been show to contribute greatly the nitrogen (N) pools of pristine ecosystems. Moisture and temperature are most important abiotic factors directly influencing rates biological fixation (BNF) in mosses. However, availability some macro micronutrients can also be correlated changes those rates, this is linked functional role nutrients involved nitrogenase enzyme complex. To identify effects nutrient on BNF we conducted two experiments with...