@article{fdi:010089533,
  title = {{M}illennial-scale variability of vegetation and fire activity in a northern {C}errado driven by an east-west rainfall gradient during the {H}olocene},
  author = {{X}avier, {S}. {A}. {S}. and {L}edru, {M}arie-{P}ierre and {B}remond, {L}. and {F}avier, {C}. and de {A}raújo, {F}. {S}.},
  editor = {},
  language = {{ENG}},
  abstract = {{T}his paleoecological study investigates vegetation variability and fire regimes in {N}ortheastern {B}razil ({NEB})'s {C}errado. {W}e present high-resolution pollen and charcoal records from a palm swamp located in a {C}errado in {C}hapada das {M}esas {N}ational {P}ark, in the southwest of {M}aranhao {S}tate. {T}he {V}ereda do {D}odo sedimentary core is 187 cm deep and covers the past 6000 years. {O}ur results show first the presence of an open cerrado between 6000 and 5200 cal yr {BP} with no fire activity and a gradual expansion of the palm {M}auritia and woody cerrado after 5000 cal yr {BP}. {T}his is synchronous with other studies of northeastern and central {B}razil. {A}t c. 4300 cal yr {BP}, sterile samples suggest a strong dry event, also recorded in other eastern {NEB} records. {F}requent burnings lasted until 2600 cal yr {BP}, when fires stopped and {M}auritia, arboreal cerrado, and gallery forest taxa expanded under increased moisture rates. {T}he increase of southern hemisphere summer insolation and the warmer tropical {A}tlantic {O}cean enhanced the monsoon system over eastern {A}mazonia and western {NEB} in agreement with speleothem records. {O}ur study reveals that northern {C}errado biodiversity was very sensitive to {SASM} dynamics, a different pattern from eastern {NEB} vegetation and climate.},
  keywords = {4.2 ka event ; charcoal ; {N}eotropics ; {N}orth-eastern {B}razil ; pollen ; {S}outh {A}merican {S}ummer {M}onsoon ; {BRESIL}},
  booktitle = {},
  journal = {{H}olocene},
  volume = {[{E}arly access]},
  numero = {},
  pages = {[13 p.]},
  ISSN = {0959-6836},
  year = {2024},
  DOI = {10.1177/09596836231225719},
  URL = {https://www.documentation.ird.fr/hor/fdi:010089533},
}