Holocene records of the significance of ENSO on vegetation and fire ...
Holocene records of the significance of ENSO on vegetation and fire ...
Holocene records of the significance of ENSO on vegetation and fire ...
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Fire & Vegetati<strong>on</strong><br />
• Fire occurrence in desert shrubl<strong>and</strong> seems to be associated<br />
with cycles y <str<strong>on</strong>g>of</str<strong>on</strong>g> wetting g<strong>and</strong> drying y g<br />
• Similar to southwestern forests, a relati<strong>on</strong>ship is<br />
observed between <str<strong>on</strong>g>ENSO</str<strong>on</strong>g> variability <strong>and</strong> <strong>fire</strong><br />
• No <str<strong>on</strong>g>ENSO</str<strong>on</strong>g> no <strong>fire</strong><br />
• <str<strong>on</strong>g>ENSO</str<strong>on</strong>g>stable <strong>fire</strong> regime, vegetati<strong>on</strong> shifts<br />
• Warmer with <str<strong>on</strong>g>ENSO</str<strong>on</strong>g> (e.g. MCA) even more frequent <strong>fire</strong><br />
• OOnset <str<strong>on</strong>g>of</str<strong>on</strong>g> f<str<strong>on</strong>g>ENSO</str<strong>on</strong>g> <str<strong>on</strong>g>ENSO</str<strong>on</strong>g> iis c<strong>on</strong>current with i hperennial i lst<strong>and</strong>ing di water<br />
at Cloverdale <strong>and</strong> low pollen preservati<strong>on</strong> marks a decrease<br />
in El Nino events. events<br />
• Canelo Hills Cienega initiates at ~3000 cal yr BP when El<br />
Nino event frequency q yincreases.
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