Ecological interpretations of nitrogen isotope ratios of terrestrial plants and soils

JM Craine, ENJ Brookshire, MD Cramer… - Plant and Soil, 2015 - Springer
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 …

Complexities of nitrogen isotope biogeochemistry in plant-soil systems: implications for the study of ancient agricultural and animal management practices

P Szpak - Frontiers in plant science, 2014 - frontiersin.org
Nitrogen isotopic studies have the potential to shed light on the structure of ancient
ecosystems, agropastoral regimes, and human-environment interactions. Until relatively …

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 …

Stable isotopes in plant ecology

TE Dawson, S Mambelli, AH Plamboeck… - Annual review of …, 2002 - annualreviews.org
▪ Abstract The use of stable isotope techniques in plant ecological research has grown
steadily during the past two decades. This trend will continue as investigators realize that …

Aridity threshold in controlling ecosystem nitrogen cycling in arid and semi-arid grasslands

C Wang, X Wang, D Liu, H Wu, X Lü, Y Fang… - Nature …, 2014 - nature.com
Higher aridity and more extreme rainfall events in drylands are predicted due to climate
change. Yet, it is unclear how changing precipitation regimes may affect nitrogen (N) cycling …

Water pulses and biogeochemical cycles in arid and semiarid ecosystems

AT Austin, L Yahdjian, JM Stark, J Belnap, A Porporato… - Oecologia, 2004 - Springer
The episodic nature of water availability in arid and semiarid ecosystems has significant
consequences on belowground carbon and nutrient cycling. Pulsed water events directly …

Global patterns of foliar nitrogen isotopes and their relationships with climate, mycorrhizal fungi, foliar nutrient concentrations, and nitrogen availability

JM Craine, AJ Elmore, MPM Aidar… - New …, 2009 - Wiley Online Library
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 …

δ15N as an integrator of the nitrogen cycle

D Robinson - Trends in ecology & evolution, 2001 - cell.com
Natural abundances of the rare stable isotope of nitrogen, 15 N, are now being used widely
in research on N cycling in organisms and ecosystems. 15 N natural abundances are used …

Nitrogen isotopes link mycorrhizal fungi and plants to nitrogen dynamics

EA Hobbie, P Högberg - New phytologist, 2012 - Wiley Online Library
In this review, we synthesize field and culture studies of the 15N/14N (expressed as δ15 N)
of autotrophic plants, mycoheterotrophic plants, parasitic plants, soil, and mycorrhizal fungi …

Global patterns of the isotopic composition of soil and plant nitrogen

R Amundson, AT Austin, EAG Schuur… - Global …, 2003 - Wiley Online Library
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 …