@article{fdi:010048178,
  title = {{C}hanges in soil diversity and global activities following invasions of the exotic invasive plant, {A}maranthus viridis {L}., decrease the growth of native sahelian {A}cacia species},
  author = {{S}anon, {A}rs{\`e}ne and {B}eguiristain, {T}. and {C}ebron, {A}. and {B}erthelin, {J}. and {N}doye, {I}brahima and {L}eyval, {C}. and {S}ylla, {S}amba and {D}uponnois, {R}obin},
  editor = {},
  language = {{ENG}},
  abstract = {{T}he objectives of this study were to determine whether the invasive plant {A}maranthus viridis influenced soil microbial and chemical properties and to assess the consequences of these modifications on native plant growth. {T}he experiment was conducted in {S}enegal at two sites: one invaded by {A}. viridis and the other covered by other plant species. {S}oil nutrient contents as well as microbial community density, diversity and functions were measured. {A}dditionally, five sahelian {A}cacia species were grown in (1) soil disinfected or not collected from both sites, (2) uninvaded soil exposed to an {A}. viridis plant aqueous extract and (3) soil collected from invaded and uninvaded sites and inoculated or not with the arbuscular mycorrhizal ({AM}) fungus {G}lomus intraradices. {T}he results showed that the invasion of {A}. viridis increased soil nutrient availability, bacterial abundance and microbial activities. {I}n contrast, {AM} fungi and rhizobial development and the growth of {A}cacia species were severely reduced in {A}. viridis-invaded soil. {A}maranthus viridis aqueous extract also exhibited an inhibitory effect on rhizobial growth, indicating an antibacterial activity of this plant extract. {H}owever, the inoculation of {G}. intraradices was highly beneficial to the growth and nodulation of {A}cacia species. {T}hese results highlight the role of {AM} symbiosis in the processes involved in plant coexistence and in ecosystem management programs that target preservation of native plant diversity.},
  keywords = {exotic plant invasion ; {A}maranthus viridis ; soil microbial community ; mycorrhizae},
  booktitle = {},
  journal = {{F}ems {M}icrobiology {E}cology},
  volume = {70},
  numero = {1},
  pages = {118--131},
  ISSN = {0168-6496},
  year = {2009},
  DOI = {10.1111/j.1574-6941.2009.00740.x},
  URL = {https://www.documentation.ird.fr/hor/fdi:010048178},
}