@article{fdi:010013505, title = {{P}lant phenology in relation to water availability : herbaceous and woody species in the savannas of northern {C}ameroon}, author = {{S}eghieri, {J}osiane and {F}loret, {C}hristian and {P}ontanier, {R}oger}, editor = {}, language = {{ENG}}, abstract = {{P}henological patterns of herbaceous and woody plants well represented in the {S}udano-{S}ahelian savannas of northern {C}ameroon were studied in relation to water availability in three contrasted soil types. {M}ean annual precipitation in this region is 800 mm, entirely restricted to the period {M}ay-{J}une to {S}eptember-{O}ctober, but redistribution of rainwater by varying soil substrates leads to considerable heterogeneity in available water resources fo plants. {R}esults are discussed in terms of probable competition for water resources among co-occurring plants and the adaptations shown by observed patterns to prevailing environmental conditions. {W}ater stress is seen to be a limiting factor to plant growth but does not constitute the sole trigger for the phenological phases observed, nor is it the principal factor responsible for the preponderance of annual species in the herbaceous stratum. ({R}{\'e}sum{\'e} d'auteur)}, keywords = {{SAVANE} ; {STRATE} {HERBACEE} ; {STRATE} {LIGNEUSE} ; {RESSOURCES} {EN} {EAU} ; {PHENOLOGIE} ; {CAMEROUN} {NORD} ; {ZONE} {SOUDANOSAHELIENNE}}, booktitle = {}, journal = {{J}ournal of {T}ropical {E}cology}, volume = {11}, numero = {}, pages = {237--254}, ISSN = {0266-4674}, year = {1995}, URL = {https://www.documentation.ird.fr/hor/fdi:010013505}, }