Sources of variation in the stable isotopic composition of plants

JD Marshall, JR Brooks, K Lajtha - Stable isotopes in ecology …, 2007 - Wiley Online Library
The use of stable isotopes of carbon, nitrogen, oxygen, and hydrogen to study physiological
processes has increased exponentially in the past three decades. When Harmon Craig …

Use of the 15N natural abundance technique to quantify biological nitrogen fixation by woody perennials

RM Boddey, MB Peoples, B Palmer, PJ Dart - Nutrient cycling in …, 2000 - Springer
Biological nitrogen fixation (BNF) associated with trees and shrubs plays a major role in the
functioning of many ecosystems, from natural woodlands to plantations and agroforestry …

Experimental determination of nitrogen kinetic isotope fractionation: some principles; illustration for the denitrification and nitrification processes

A Mariotti, JC Germon, P Hubert, P Kaiser, R Letolle… - Plant and soil, 1981 - Springer
A few principles relative to the presentation and use of nitrogen stable isotopic data are
briefly reviewed. Some classical relationships between the isotope composition of a …

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 …

Tansley review no. 95 15N natural abundance in soil–plant systems

P Högberg - The New Phytologist, 1997 - cambridge.org
Equilibrium and kinetic isotope fractionations during incomplete reactions result in minute
differences in the ratio between the two stable N isotopes, 15N and 14N, in various N pools …

Nitrogen stable isotopic composition of leaves and soil: tropical versus temperate forests

LA Martinelli, MC Piccolo, AR Townsend, PM Vitousek… - Biogeochemistry, 1999 - Springer
Several lines of evidence suggest that nitrogen in most tropical forests is relatively more
available than N in most temperate forests, and even that it may function as an excess …

15N natural abundances and N use by tundra plants

K Nadelhoffer, G Shaver, B Fry, A Giblin, L Johnson… - Oecologia, 1996 - Springer
Plant species collected from tundra ecosystems located along a north-south transect from
central Alaska to the north coast of Alaska showed large and consistent differences in 15 N …

Leaf 15N abundance of subarctic plants provides field evidence that ericoid, ectomycorrhizal and non-and arbuscular mycorrhizal species access different sources of …

A Michelsen, IK Schmidt, S Jonasson, C Quarmby… - Oecologia, 1996 - Springer
The natural abundance of the nitrogen isotope 15, δ 15 N, was analysed in leaves of 23
subarctic vascular plant species and two lichens from a tree-line heath at 450 m altitude and …

Carbon and nitrogen isotope ratios in different compartments of a healthy and a declining Picea abies forest in the Fichtelgebirge, NE Bavaria

G Gebauer, ED Schulze - Oecologia, 1991 - Springer
Natural carbon and nitrogen isotope ratios were measured in different compartments
(needles and twigs of different ages and crown positions, litter, understorey vegetation, roots …

Effects of native grazers on grassland N cycling in Yellowstone National Park

DA Frank, RD Evans - Ecology, 1997 - Wiley Online Library
We investigated the effects of native ungulates on grassland N cycling in Yellowstone
National Park by examining natural 15N abundance (δ15N) of soils and plants inside and …