Vegetation-climate interactions among native and invasive species in Hawaiian rainforest

Gregory P. Asner, Roberta E. Martin, Kimberly M. Carlson, Uwe Rascher, Peter M. Vitousek

Research output: Contribution to journalArticle

40 Citations (Scopus)

Abstract

We compiled a time series of Earth Observing-1 Hyperion satellite observations with field measurements to compare the structural, biochemical, and physiological characteristics of an invasive nitrogen-fixing tree Myrica faya and native Metrosideros polymorpha in montane rainforests in Hawai'i. Satellite-based canopy water measurements closely tracked variations in leaf area index, and the remotely sensed photochemical and carotenoid reflectance indices (PRI, CRI) indicated variations in upper-canopy leaf chlorophyll and carotenoid content during a climatological transition. The PRI and CRI were related to differences in light-use efficiency of each species, as indicated by field measurements of leaf electron transport rate. The suite of hyperspectral metrics indicated maximum differences in the structure, biochemistry, and physiology of Myrica and Metrosideros when canopy vapor pressure deficit was high during hotter and drier periods. These satellite data, combined with the Carnegue-Ames-Stanford Approach (CASA) carbon cycle model, suggested that Myrica growth rates were 16-44% higher than Metrosideros, with relative differences between species closely linked to climate conditions. The satellite hyperspectral data identified the basic biological mechanisms favoring the spread of an introduced tree, and provided a more detailed understanding of how vegetation-climate interactions affect the time course of plant growth with respect to the invasion process.

Original languageEnglish (US)
Pages (from-to)1106-1117
Number of pages12
JournalEcosystems
Volume9
Issue number7
DOIs
StatePublished - Nov 1 2006
Externally publishedYes

Fingerprint

Metrosideros
Myrica
invasive species
rainforest
native species
rain forests
indigenous species
canopy
Satellites
carotenoid
climate
vegetation
satellite data
carotenoids
Myrica faya
Carotenoids
Metrosideros polymorpha
nitrogen-fixing trees
Hyperion
light use efficiency

Keywords

  • Earth observing-1
  • Hawai'i
  • Hyperion
  • Hyperspectral remote sensing
  • Imaging spectroscopy
  • Invasive species
  • Metrosideros polymorpha
  • Morella faya
  • Myrica faya
  • Rainforest

ASJC Scopus subject areas

  • Ecology, Evolution, Behavior and Systematics
  • Environmental Chemistry
  • Ecology

Cite this

Vegetation-climate interactions among native and invasive species in Hawaiian rainforest. / Asner, Gregory P.; Martin, Roberta E.; Carlson, Kimberly M.; Rascher, Uwe; Vitousek, Peter M.

In: Ecosystems, Vol. 9, No. 7, 01.11.2006, p. 1106-1117.

Research output: Contribution to journalArticle

Asner, Gregory P. ; Martin, Roberta E. ; Carlson, Kimberly M. ; Rascher, Uwe ; Vitousek, Peter M. / Vegetation-climate interactions among native and invasive species in Hawaiian rainforest. In: Ecosystems. 2006 ; Vol. 9, No. 7. pp. 1106-1117.
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