Urine is an important nitrogen source for plants irrespective of vegetation composition in an Arctic tundra: Insights from a 15 N-enriched urea tracer experiment

Grazing decreases N partitioning among coexisting plant species

(2017) Hélène Barthelemy et al.   FUNCTIONAL ECOLOGY

Quantifying Muskox Plant Biomass Removal and Spatial Relocation of Nitrogen in a High Arctic Tundra Ecosystem

(2016) Jesper B. Mosbacher et al.   ARCTIC ANTARCTIC AND ALPINE RESEARCH

Reindeer grazing increases summer albedo by reducing shrub abundance in Arctic tundra

(2016) Mariska te Beest et al.   Environmental Research Letters

Longer thaw seasons increase nitrogen availability for leaching during fall in tundra soils

(2016) Claire C Treat et al.   Environmental Research Letters

Plant functional type affects nitrogen use efficiency in high-Arctic tundra

(2016) F. Oulehle et al.   SOIL BIOLOGY & BIOCHEMISTRY

Initial Stages of Tundra Shrub Litter Decomposition May Be Accelerated by Deeper Winter Snow But Slowed Down by Spring Warming

(2015) Daan Blok et al.   ECOSYSTEMS

Strong Responses of Subarctic Plant Communities to Long-Term Reindeer Feces Manipulation

(2015) Hélène Barthelemy et al.   ECOSYSTEMS

Slow recovery of High Arctic heath communities from nitrogen enrichment

(2015) Lorna E. Street et al.   NEW PHYTOLOGIST

Absorption of foliar-applied urea-15N and the impact of low nitrogen, potassium, magnesium and sulfur nutritional status in tea (Camellia sinensisL.) plants

(2015) Jianyun Ruan et al.   SOIL SCIENCE AND PLANT NUTRITION

Spatial variation in vegetation damage relative to primary productivity, small rodent abundance and predation

(2014) Katrine S. Hoset et al.   ECOGRAPHY

Insensitivity of Soil Microbial Activity to Temporal Variation in Soil N in Subarctic Tundra: Evidence from Responses to Large Migratory Grazers

(2014) Sari Stark et al.   ECOSYSTEMS

Foliar absorption and root translocation of nitrogen from different chemical forms in seedlings of two Mediterranean trees

(2014) Mercedes Uscola et al.   ENVIRONMENTAL AND EXPERIMENTAL BOTANY

Sinks for nitrogen inputs in terrestrial ecosystems: a meta-analysis of15N tracer field studies

(2012) P. H. Templer et al.   ECOLOGY

Vole and lemming activity observed from space

(2012) Johan Olofsson et al.   Nature Climate Change

Landscape Variation in the Diet and Productivity of Reindeer in Alaska Based on Stable Isotope Analyses

(2011) Gregory L. Finstad et al.   ARCTIC ANTARCTIC AND ALPINE RESEARCH

Effects of herbivory on N-cycling and distribution of added 15NH 4 + in N-limited low-alpine grasslands

(2011) Vegard Martinsen et al.   PLANT AND SOIL

Urea metabolism in plants

(2010) Claus-Peter Witte   PLANT SCIENCE

Effects of Simulated Reindeer Grazing, Trampling, and Waste Products on Nitrogen Mineralization and Primary Production

(2009) Johan Olofsson   ARCTIC ANTARCTIC AND ALPINE RESEARCH

Defoliation and patchy nutrient return drive grazing effects on plant and soil properties in a dairy cow pasture

(2009) J. Mikola et al.   ECOLOGICAL MONOGRAPHS

An experimental comparison of chemical traits and litter decomposition rates in a diverse range of subarctic bryophyte, lichen and vascular plant species

(2009) Simone I. Lang et al.   JOURNAL OF ECOLOGY

Grazers and soil moisture determine the fate of added 15NH4 + in Yellowstone grasslands

(2009) Holly A. Ewing et al.   PLANT AND SOIL

Site-dependent N uptake from N-form mixtures by arctic plants, soil microbes and ectomycorrhizal fungi

(2008) Karina Engelbrecht Clemmensen et al.   OECOLOGIA

Amino acid uptake among wide-ranging moss species may contribute to their strong position in higher-latitude ecosystems

(2008) Eveline J. Krab et al.   PLANT AND SOIL