@article{fdi:010060774, title = {{A}lpine cushion plants inhibit the loss of phylogenetic diversity in severe environments}, author = {{B}utterfield, {B}. {J}. and {C}avieres, {L}. {A}. and {C}allaway, {R}. {M}. and {C}ook, {B}. {J}. and {K}ikvidze, {Z}. and {L}ortie, {C}. {J}. and {M}ichalet, {R}. and {P}ugnaire, {F}. {I}. and {S}chob, {C}. and {X}iao, {S}. and {Z}aitchek, {B}. and {A}nthelme, {F}abien and {B}jork, {R}. {G}. and {D}ickinson, {K}. and {G}avilan, {R}. and {K}anka, {R}. and {M}aalouf, {J}. {P}. and {N}oroozi, {J}. and {P}arajuli, {R}. and {P}hoenix, {G}. {K}. and {R}eid, {A}. and {R}idenour, {W}. and {R}ixen, {C}. and {W}ipf, {S}. and {Z}hao, {L}. and {B}rooker, {R}. {W}.}, editor = {}, language = {{ENG}}, abstract = {{B}iotic interactions can shape phylogenetic community structure ({PCS}). {H}owever, we do not know how the asymmetric effects of foundation species on communities extend to effects on {PCS}. {W}e assessed {PCS} of alpine plant communities around the world, both within cushion plant foundation species and adjacent open ground, and compared the effects of foundation species and climate on alpha (within-microsite), beta (between open and cushion) and gamma (open and cushion combined) {PCS}. {I}n the open, alpha {PCS} shifted from highly related to distantly related with increasing potential productivity. {H}owever, we found no relationship between gamma {PCS} and climate, due to divergence in phylogenetic composition between cushion and open sub-communities in severe environments, as demonstrated by increasing phylo-beta diversity. {T}hus, foundation species functioned as micro-refugia by facilitating less stress-tolerant lineages in severe environments, erasing a global productivity phylogenetic diversity relationship that would go undetected without accounting for this important biotic interaction.}, keywords = {{C}ommunity assembly ; competition ; environmental filter ; facilitation ; micro-refugia ; phylogenetic diversity ; species pool ; {AMERIQUE} {DU} {SUD} ; {AMERIQUE} {DU} {NORD} ; {EUROPE} ; {ASIE} ; {NOUVELLE} {ZELANDE}}, booktitle = {}, journal = {{E}cology {L}etters}, volume = {16}, numero = {4}, pages = {478--486}, ISSN = {1461-023{X}}, year = {2013}, DOI = {10.1111/ele.12070}, URL = {https://www.documentation.ird.fr/hor/fdi:010060774}, }