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Bioclimatic niches of selected endemic Ixora species on the Philippines : predicting habitat suitability due to climate change

Title data

Banag, Cecilia ; Thrippleton, Timothy ; Alejandro, Grecebio J. ; Reineking, Björn ; Liede-Schumann, Sigrid:
Bioclimatic niches of selected endemic Ixora species on the Philippines : predicting habitat suitability due to climate change.
In: Plant Ecology. Vol. 216 (2015) Issue 9 . - pp. 1325-1340.
ISSN 1573-5052
DOI: https://doi.org/10.1007/s11258-015-0512-6

Abstract in another language

The pantropical genus Ixora is highly diverse, with several species endemic to the Philippines.Owing to their endemic nature, many of these species are endangered and little is known about their basic biology. This study aimed to establish baselineinformation about the bioclimatic niches of Ixora species endemic to the Philippines, determine suitable areas and potential range shifts under future climate conditions, and identify priority areas for conservation and future research. Locality records of 12 endemic Ixora species from the Philippine archipelago were analyzed, with a particular focus on the five mostabundant species I. auriculata, I. bartlingii, I. cumingiana, I. macrophylla, and one island endemic species, Ixora palawanensis. Bioclimatic variables from the WorldClim database at 2.50 resolution were used, with a focus on annual means and seasonality of temperatureand precipitation as well as precipitation of the warmest quarter. Analysis of the relationships of the species locations with the bioclimatic variables showed that the bioclimatic niches of the five focal Ixora species generally had narrow temperature and wider precipitation niches. Species distribution modelingwith the model Maxent suggested that I. auriculata and I. bartlingii will likely shift their geographic distributions southwards under predicted levels of climate change, while I. cumingiana and I. macrophylla were found to likely expand their ranges. Ixora palawanensis, in contrast, was predicted to decrease its potential distribution with future climate change. Further, results of species distribution modelingfor the rare endemic Ixora species I. bibracteata,I. chartacea, I. ebracteolata, I. inaequifolia, I. longistipula, I. luzoniensis, and I. macgregorii were presented,which, however, had much less observation points and therefore only provide a first estimate ofpotential species distributions. The generated potential habitat suitability maps can assist policy makers in designing conservation strategies for the species andin identifying areas with potential to withstand climatechange until at least 2080.

Further data

Item Type: Article in a journal
Refereed: Yes
Additional notes: BAYCEER130962
Institutions of the University: Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Biology > Chair Plant Systematics
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Biology > Chair Plant Systematics > Chair Plant Systematics - Univ.-Prof. Dr. Sigrid Liede-Schumann
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Earth Sciences > Junior Professorship Biogeographical Modelling
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Earth Sciences > Former Professors > Junior Professorship Biogeographical Modelling - Juniorprof. Dr. Björn Reineking
Research Institutions
Research Institutions > Research Centres
Research Institutions > Research Centres > Bayreuth Center of Ecology and Environmental Research- BayCEER
Faculties
Faculties > Faculty of Biology, Chemistry and Earth Sciences
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Biology
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Earth Sciences
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Earth Sciences > Former Professors
Result of work at the UBT: Yes
DDC Subjects: 500 Science
Date Deposited: 26 Jul 2016 10:52
Last Modified: 26 Jul 2016 10:52
URI: https://eref.uni-bayreuth.de/id/eprint/33492