Estimates of nitrogen fixation by trees on an aridity gradient in Namibia

Stable Isotopes in Ecological Research

1995 • 806 citations

Carbon Isotope Fractionation and Plant Water-Use Efficiency

1989 • 731 citations

Stomatal Responses, Water Loss and CO2 Assimilation Rates of Plants in Contrasting Environments

1982 • 596 citations

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

1991 • 342 citations

Estimates of N2-fixation from variation in the natural abundance of 15N in Sonoran desert ecosystems

1983 • 245 citations

A preliminary vegetation map of South West Africa

1971 • 180 citations

Soil nutrient availability, root symbioses and tree species composition in tropical Africa: a review

1986 • 154 citations

¹⁵N natural abundance as a possible marker of the ectomycorrhizal habit of trees in mixed African woodlands

1990 • 127 citations

Estimates of N2 Fixation in Ecosystems: The Need for and Basis of the 15N Natural Abundance Method

1989 • 124 citations

Carbon isotope discrimination in alpine succulent plants supposed to be capable of crassulacean acid metabolism (CAM)

1975 • 123 citations

Nitrogen-Fixation and Nutrient Relations in Savanna Woodland Trees (Tanzania)

1986 • 92 citations

The Use of Variation in the Natural Abundance of 15N to Assess Symbiotic Nitrogen Fixation by Woody Plants

1989 • 72 citations

Distribution and control of photosynthetic pathways in plants growing in the Namib Desert, with special regard to Welwitschia mirabilis Hook. Fil.

1976 • 54 citations

Environmental control of crassulacean acid metabolism in Welwitschia mirabilis Hook. Fil. in its range of natural distribution in the Namib desert

1976 • 47 citations

Trees of South Africa.

1961 • 42 citations

Prodromus einer Flora von Sudwestafrika

1967 • 38 citations

Prodromus einer Flora von Südwestafrika

1966 • 5 citations