Stoichiometry of soil enzyme activity at global scale
Extracellular enzymes are the proximate agents of organic matter decomposition and
measures of these activities can be used as indicators of microbial nutrient demand. We …
measures of these activities can be used as indicators of microbial nutrient demand. We …
On the use of stable isotopes in trophic ecology
WJ Boecklen, CT Yarnes, BA Cook… - Annual review of …, 2011 - annualreviews.org
Stable isotope analysis (SIA) has proven to be a useful tool in reconstructing diets,
characterizing trophic relationships, elucidating patterns of resource allocation, and …
characterizing trophic relationships, elucidating patterns of resource allocation, and …
Nitrogen cycles: past, present, and future
This paper contrasts the natural and anthropogenic controls on the conversion of unreactive
N 2 to more reactive forms of nitrogen (Nr). A variety of data sets are used to construct global …
N 2 to more reactive forms of nitrogen (Nr). A variety of data sets are used to construct global …
Global assessment of nitrogen deposition effects on terrestrial plant diversity: a synthesis
Atmospheric nitrogen (N) deposition is a recognized threat to plant diversity in temperate
and northern parts of Europe and North America. This paper assesses evidence from field …
and northern parts of Europe and North America. This paper assesses evidence from field …
Biological nitrogen fixation: rates, patterns and ecological controls in terrestrial ecosystems
PM Vitousek, DNL Menge… - … Transactions of the …, 2013 - royalsocietypublishing.org
New techniques have identified a wide range of organisms with the capacity to carry out
biological nitrogen fixation (BNF)—greatly expanding our appreciation of the diversity and …
biological nitrogen fixation (BNF)—greatly expanding our appreciation of the diversity and …
Ecological interpretations of nitrogen isotope ratios of terrestrial plants and soils
Background Knowledge of biological and climatic controls in terrestrial nitrogen (N) cycling
within and across ecosystems is central to understanding global patterns of key ecosystem …
within and across ecosystems is central to understanding global patterns of key ecosystem …
Global patterns of the isotopic composition of soil and plant nitrogen
We compiled new and published data on the natural abundance N isotope composition
(δ15N values) of soil and plant organic matter from around the world. Across a broad range …
(δ15N values) of soil and plant organic matter from around the world. Across a broad range …
Global patterns of terrestrial biological nitrogen (N2) fixation in natural ecosystems
Human activities have clearly caused dramatic alterations of the terrestrial nitrogen cycle,
and analyses of the extent and effects of such changes are now common in the scientific …
and analyses of the extent and effects of such changes are now common in the scientific …
Towards an ecological understanding of biological nitrogen fixation
N limitation to primary production and other ecosystem processes is widespread. To
understand the causes and distribution of N limitation, we must understand the controls of …
understand the causes and distribution of N limitation, we must understand the controls of …
Global patterns of foliar nitrogen isotopes and their relationships with climate, mycorrhizal fungi, foliar nutrient concentrations, and nitrogen availability
Ratios of nitrogen (N) isotopes in leaves could elucidate underlying patterns of N cycling
across ecological gradients. To better understand global‐scale patterns of N cycling, we …
across ecological gradients. To better understand global‐scale patterns of N cycling, we …