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Severin D. H. Irl
University of Bayreuth
27Publications
9H-index
282Citations
Publications 27
Newest
#1Samuel Hoffmann (University of Bayreuth)H-Index: 2
#2Severin D. H. Irl (University of Bayreuth)H-Index: 9
Last.Carl Beierkuhnlein (University of Bayreuth)H-Index: 42
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Protected areas (PA) are refugia of biodiversity. However, anthropogenic climate change induces a redistribution of life on Earth that affects the effectiveness of PAs. When species are forced to migrate from protected to unprotected areas to track suitable climate, they often face degraded habitats in human-dominated landscapes and a higher extinction threat. Here, we assess how climate conditions are expected to shift within the world’s terrestrial PAs (n = 137,432). PAs in the temperate and n...
#2Severin D. H. IrlH-Index: 9
Last.Carl BeierkuhnleinH-Index: 42
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Invasive plant species are increasingly altering species composition and the functioning of ecosystems from a local to a global scale. The grass species Pennisetum setaceum has recently raised concerns as an invader on different archipelagos worldwide. Among these affected archipelagos are the Canary Islands, which are a hotspot of endemism. Consequently, conservation managers and stakeholders are interested in the potential spreading of this species in the archipelago. We identify the current e...
#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
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Islands harbour a spectacular diversity and unique species composition. This uniqueness is mainly a result of endemic species that have evolved in situ in the absence of mammal herbivores. However, island endemism is under severe threat by introduced herbivores. We test the assumption that endemic species are particularly vulnerable to generalist introduced herbivores (European rabbit) using an unprecedented dataset covering an entire island with enormous topographic, climatic and biological div...
#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
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#1Jonay Cubas (ULL: University of La Laguna)H-Index: 1
Last.Juana María González-Mancebo (ULL: University of La Laguna)H-Index: 17
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Alpine ecosystems on islands are among the most isolated on Earth, leading to very high rates of endemism. Endemic species on oceanic islands are particularly vulnerable to invasive herbivores. In the alpine zone of Tenerife, which harbors a unique endemic flora, the dominance pattern of the two most dominant species in our days (Spartocytisus supranubius and Pterocephalus lasiospermus) has shifted in the last few decades, which may be a result of increasing rabbit pressure. In this study we exp...
#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
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Aim Rarity—an important measure for conservation biogeography—can vary over many orders of magnitude. However, it is unclear which regional-scale abiotic conditions drive processes affecting rarity of endemic species on islands. To support conservation efforts, we (1) assess the main abiotic drivers of endemic rarity, (2) determine how well existing protected areas (PAs) coincide with hotspots of endemic rarity and (3) introduce and evaluate a new hypervolume-based rarity estimator. Location La ...
#1Manuel J. Steinbauer (University of Bayreuth)H-Index: 15
#2Severin D. H. Irl (University of Bayreuth)H-Index: 9
Last.Carl Beierkuhnlein (University of Bayreuth)H-Index: 42
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Ecosystems that provide environmental opportunities but are poor in species and functional richness generally support speciation as well as invasion processes. These processes are expected not to be equally effective along elevational gradients due to specific ecological, spatial, and anthropogenic filters, thus controlling the dispersal and establishment of species. Here, we investigate speciation and invasion processes along elevational gradients. We assess the vascular plant species richness ...
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