Facilitative or competitive effects of woody plants on understorey vegetation depend on N-fixation, canopy shape and rainfall

Tree effects on grass growth in savannas: competition, facilitation and the stress-gradient hypothesis

(2013) Justin Dohn et al.   JOURNAL OF ECOLOGY

Facilitation or Competition? Tree Effects on Grass Biomass across a Precipitation Gradient

(2013) Aristides Moustakas et al.   PLoS One

A global database of shrub encroachment effects on ecosystem structure and functioning

(2012) David J. Eldridge et al.   ECOLOGY

Increases of Soil C, N, and P Pools Along an Acacia Tree Density Gradient and Their Effects on Trees and Grasses

(2012) Judith Sitters et al.   ECOSYSTEMS

Nurse plant effects on plant species richness in drylands: The role of grazing, rainfall and species specificity

(2012) Santiago Soliveres et al.   PERSPECTIVES IN PLANT ECOLOGY EVOLUTION AND SYSTEMATICS

Shrub encroachment in Mediterranean silvopastoral systems: Retama sphaerocarpa and Cistus ladanifer induce contrasting effects on pasture and Quercus ilex production

(2011) David Rivest et al.   AGRICULTURE ECOSYSTEMS & ENVIRONMENT

Impacts of shrub encroachment on ecosystem structure and functioning: towards a global synthesis

(2011) David J. Eldridge et al.   ECOLOGY LETTERS

Refining the stress-gradient hypothesis for competition and facilitation in plant communities

(2009) Fernando T. Maestre et al.   JOURNAL OF ECOLOGY

Effects of Herbivory, Fire and N2-fixation on Nutrient Limitation in a Humid African Savanna

(2008) Patrick G. Cech et al.   ECOSYSTEMS

Impacts of savanna trees on forage quality for a large African herbivore

(2008) Fulco Ludwig et al.   OECOLOGIA