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image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Journal of Vegetatio...arrow_drop_down
image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
Journal of Vegetation Science
Article . 2010 . Peer-reviewed
License: Wiley TDM
Data sources: Crossref
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Fire mediated edge effects in bayhead tree islands

Authors: Matlaga, David P.; Quintana-Ascencio, Pedro F.; Menges, Eric S.; Pickert, Roberta;

Fire mediated edge effects in bayhead tree islands

Abstract

Question: The role edges play in mediating the effects of disturbance is unclear. Bayhead tree islands, which experience above- and belowground fire, contain trees that recover from disturbance by seed (Pinus elliottii var. densa) and by sprouting (Gordonia lasianthus). How does distance-to-edge affect survival and post-fire response of trees with these contrasting life-history strategies? Location: Two bayhead tree islands at Archbold Biological Station, central Florida, North America. Methods: Stem diameter, depth of peat smoldering, char height, resprouting status, and location were recorded for all Pinus and Gordonia stems ≥8 cm. Distance to the edge of the tree island was quantified using GIS. Results: The focal species showed contrasting patterns of survival across the edge-to-interior gradient that reflected gradients of fire severity. Survival of Gordonia was lowest in the bayhead interior where peat smolder was deepest. Conversely, survival of Pinus was lowest near the edges where char heights were greatest. The distinct types of Gordonia resprouting (crown versus basal) also showed spatially contrasting patterns. Basal resprouting dominated near the edges and was positively influenced by char height, while crown resprouting was nearly constant across the edge-to-interior gradient and was negatively influenced by char height. Conclusions: The spatial patterns of tree survival and resprouting observed are likely due to gradients in intensity of peat smoldering and aboveground burning, coupled with differential susceptibility to these two types of fire. Despite the rarity of fire in wetland tree islands (compared to uplands) it may play an important role in structuring the spatial distribution of trees.

Country
United States
Keywords

CROWN DAMAGE, STRATEGIES, analysis, PATH COEFFICIENTS, PLANTS, Path analysis, FLORIDA, Ecology, Plant Sciences, Pinus elliottii var. densa, Forestry, AMAZONIAN FOREST FRAGMENTS, Gordonia lasianthus, MODEL, SEVERITY, Char height, Fire severity, Path, VEGETATION, LANDSCAPES, Fire effects

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citations
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
5
Top 10%
Average
Average
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