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Burned and Devoured-Introduced Herbivores, Fire, and the Endemic Flora of the High-Elevation Ecosystem on La Palma, Canary Islands

Published on Nov 1, 2014in Arctic, Antarctic, and Alpine Research1.71
· DOI :10.1657/1938-4246-46.4.859
Severin D. H. Irl9
Estimated H-index: 9
(University of Bayreuth),
Manuel J. Steinbauer15
Estimated H-index: 15
(University of Bayreuth)
+ 4 AuthorsAnke Jentsch34
Estimated H-index: 34
(University of Bayreuth)
Abstract
Abstract Novel disturbance regimes (e.g., introduced herbivores and fire) are among the major drivers of degradation in island ecosystems. High-elevation ecosystems (HEEs) on islands might be especially vulnerable to these disturbances due to high endemism. Here, data from an 11-year exclosure experiment in the HEE of La Palma (Canary Islands) are presented where mammalian herbivores have been introduced. We investigate the combined effect of herbivory and fire on total species richness, seedling richness, and seedling establishment on the whole system and a subset of highly endangered species (target species). Total species richness, seedling species richness, and seedling establishment decreased with herbivory. Five out of eight target species were exclusively found inside the exclosures indicating the negative impact of introduced herbivores on endemic high elevation flora. Target species were generally affected more negatively by introduced herbivores and were subject to significantly higher browsing ...
  • References (54)
  • Citations (16)
References54
Newest
#1Teresa J. Didiano (U of T: University of Toronto)H-Index: 2
#2Nash E. Turley (U of T: University of Toronto)H-Index: 10
Last.Marc T. J. Johnson (U of T: University of Toronto)H-Index: 33
view all 6 authors...
Cited By16
Newest
#1Jonay Cubas (ULL: University of La Laguna)H-Index: 1
#2Severin D. H. Irl (Goethe University Frankfurt)H-Index: 9
Last.Juana María González-Mancebo (ULL: University of La Laguna)H-Index: 17
view all 8 authors...
#1Samuel Hoffmann (University of Bayreuth)H-Index: 2
#2Thomas M. Schmitt (University of Bayreuth)H-Index: 1
Last.Carl Beierkuhnlein (University of Bayreuth)H-Index: 42
view all 10 authors...
#1Stephen G. Weller (UCI: University of California, Irvine)H-Index: 34
#2Ann K. Sakai (UCI: University of California, Irvine)H-Index: 28
Last.Ken Wood (National Tropical Botanical Garden)H-Index: 2
view all 8 authors...
#1Severin D. H. Irl (University of Bayreuth)H-Index: 9
#2Andreas H. Schweiger (University of Bayreuth)H-Index: 7
Last.Carl Beierkuhnlein (University of Bayreuth)H-Index: 42
view all 9 authors...
#1Jaume Seguí (CSIC: Spanish National Research Council)H-Index: 2
#2Marta López-Darias (CSIC: Spanish National Research Council)H-Index: 9
Last.Anna Traveset (CSIC: Spanish National Research Council)H-Index: 42
view all 5 authors...
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