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IAI-Data-CRN_012_Baruch_Invaders: Response of a native Neotropical savanna grass and two African invaders to high CO2, drought, herbivory and fire

Listed in NASA Earthdata CMR

The invaders project analyzed the response of a native Neotropical savanna grass (Trachypogon plumosus) and two African invaders (Hyparrhenia rufa and Melinis minutiflora) to high CO2, drought, herbivory and fire.

Description

Elevated CO2 increased germination and seedling size in introduced grasses. Their relative growth rate was >100 higher than in the native grass.

Under high CO2, biomass of African grasses increased 21 - 47%. Invaders also were more efficient using water and nitrogen, but had lower leaf construction cost. The invaders recovered faster after herbivory and burning.

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Their superiority under high CO2 points to increased competitive strength and an expansion of their range in Neotropical savannas. Collaborator: Dr. Robert B. Jackson.

Links

Topics

Provenance · 1 source records, 16 field assertions
SourceKeyLast seenRaw
NASA Earthdata CMRC1214155337-SCIOPS14 d agoJSON v1
FieldAssertionExtractorEvidence
access_levelsource · NASA CMRconnector:nasa_cmr@1.0.0
concepts[measured_variable].gcmd:earth-science/atmosphere/atmospheric-chemistry/carbon-and-hydrocarbon-compounds/carbon-dioxidesource · NASA CMRconnector:nasa_cmr@1.0.0
concepts[measured_variable].gcmd:earth-science/atmosphere/weather-events/droughtssource · NASA CMRconnector:nasa_cmr@1.0.0
concepts[measured_variable].gcmd:earth-science/biosphere/ecological-dynamics/community-dynamics/invasive-speciessource · NASA CMRconnector:nasa_cmr@1.0.0
concepts[measured_variable].gcmd:earth-science/biosphere/ecological-dynamics/fire-ecology/fire-occurrencesource · NASA CMRconnector:nasa_cmr@1.0.0
concepts[measured_variable].gcmd:earth-science/biosphere/ecological-dynamics/species-population-interactions/species-competitionsource · NASA CMRconnector:nasa_cmr@1.0.0
concepts[measured_variable].gcmd:earth-science/biosphere/ecosystems/terrestrial-ecosystems/grasslandssource · NASA CMRconnector:nasa_cmr@1.0.0
concepts[measured_variable].gcmd:earth-science/biosphere/ecosystems/terrestrial-ecosystems/shrubland-scrubsource · NASA CMRconnector:nasa_cmr@1.0.0
concepts[measured_variable].gcmd:earth-science/biosphere/vegetation/carbonsource · NASA CMRconnector:nasa_cmr@1.0.0
concepts[measured_variable].gcmd:earth-science/human-dimensions/environmental-impacts/biomass-burningsource · NASA CMRconnector:nasa_cmr@1.0.0
concepts[platform].gcmd_platform:not-providedsource · NASA CMRconnector:nasa_cmr@1.0.0
descriptionsource · NASA CMRconnector:nasa_cmr@1.0.0/umm/Abstract
spatialsource · NASA CMRconnector:nasa_cmr@1.0.0/umm/SpatialExtent
temporalsource · NASA CMRconnector:nasa_cmr@1.0.0/umm/TemporalExtents
titlesource · NASA CMRconnector:nasa_cmr@1.0.0/umm/EntryTitle
version_labelsource · NASA CMRconnector:nasa_cmr@1.0.0