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Impacts of global climate change on the floras of oceanic islands : projections, implications and current knowledge

Titelangaben

Harter, David ; Irl, Severin D. H. ; Seo, Bumsuk ; Steinbauer, Manuel ; Gillespie, Rosemary ; Triantis, Kostas A. ; Fernández-Palacios, José María ; Beierkuhnlein, Carl:
Impacts of global climate change on the floras of oceanic islands : projections, implications and current knowledge.
In: Perspectives in Plant Ecology, Evolution and Systematics. Bd. 17 (2015) Heft 2 . - S. 160-183.
ISSN 1433-8319
DOI: https://doi.org/10.1016/j.ppees.2015.01.003

Abstract

Recent climate projections indicate substantial environmental alterations in oceanic island regions during the 21st century, setting up profound threats to insular floras. Inherent characteristics of island species and ecosystems (e.g. small population sizes, low habitat availability, isolated evolution, low functional redundancy) cause a particular vulnerability. Strong local anthropogenic pressures interact with climate change impacts and increase threats. Owing to the high degree of endemism in their floras, a disproportionally high potential for global biodiversity loss originates from climate change impacts on oceanic islands. We reviewed a growing body of research, finding evidence of emerging climate change influences as well as high potentials of future impacts on insular species and ecosystems. Threats from global climate change are not evenly distributed among the world's oceanic islands but rather vary with intrinsic (e.g. island area, structure, age and ecological complexity) and extrinsic factors (regional character, magnitude and rate of climatic alterations, local human influences). The greatest flora vulnerabilities to climate change impacts can be expected on islands of small area, low elevation and homogeneous topography. Islands of low functional redundancies will particularly suffer from high rates of co-modifications and co-extinctions due to climate-change-driven disruptions of ecological interactions. High threat potentials come from synergistic interactions between different factors, especially between climatic changes and local anthropogenic encroachments on native species and ecosystems. In addition, human responses to climate change can cause strong indirect impacts on island floras, making highly populated islands very vulnerable to secondary (derivative) effects. We provide an integrated overview of climate change-driven processes affecting oceanic island plants and depict knowledge gaps and uncertainties. The suitability of oceanic islands and their ecosystems for potential research on the field of climate change ecology is highlighted and implications for adequate research approaches are given.

Weitere Angaben

Publikationsform: Artikel in einer Zeitschrift
Begutachteter Beitrag: Ja
Zusätzliche Informationen: BAYCEER127305
Institutionen der Universität: Fakultäten > Fakultät für Biologie, Chemie und Geowissenschaften > Fachgruppe Geowissenschaften > Lehrstuhl Biogeographie
Fakultäten > Fakultät für Biologie, Chemie und Geowissenschaften > Fachgruppe Geowissenschaften > Lehrstuhl Biogeographie > Lehrstuhl Biogeographie - Univ.-Prof. Dr. Carl Beierkuhnlein
Forschungseinrichtungen > Forschungszentren > Bayreuther Zentrum für Ökologie und Umweltforschung - BayCEER
Fakultäten
Fakultäten > Fakultät für Biologie, Chemie und Geowissenschaften
Fakultäten > Fakultät für Biologie, Chemie und Geowissenschaften > Fachgruppe Geowissenschaften
Forschungseinrichtungen
Forschungseinrichtungen > Forschungszentren
Fakultäten > Kulturwissenschaftliche Fakultät > Institut für Sportwissenschaft > Professur Sportökologie > Professur Sportökologie - Univ.-Prof. Dr. Manuel Jonas Steinbauer
Fakultäten > Kulturwissenschaftliche Fakultät
Fakultäten > Kulturwissenschaftliche Fakultät > Institut für Sportwissenschaft
Fakultäten > Kulturwissenschaftliche Fakultät > Institut für Sportwissenschaft > Professur Sportökologie
Titel an der UBT entstanden: Ja
Themengebiete aus DDC: 500 Naturwissenschaften und Mathematik
Eingestellt am: 24 Apr 2015 11:55
Letzte Änderung: 06 Okt 2022 13:00
URI: https://eref.uni-bayreuth.de/id/eprint/11308