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Taxonomy of the genus Dianous （Coleoptera： Staphylinidae： Steninae） in China and zoogeographic patterns of its distribution

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Insect Science 2011年第3期18卷 363-378页

作者： Kai Shi Hong-Zhang Zhou Key Laboratory of Zoological Systematics and Evolution Institute of Zoology Chinese Academy of Sciences Beijing College of Agriculture Inner Mongolia University for the Nationalities Tongliao Inner Mongolia Autonomous Region China

Ninety-six species of the rove beetle genus Dianous Leach, 1819 have been recorded in China. In this paper, we describe a new species, D. poecilus n. sp. from Yunnan, and record D. viriditinctus （Champion, 1920） for the first time from China. To facilitate identification of species, species groups and/or species complexes, we compiled a new version of keys, including all species of Dianous hitherto recorded in the territory of China. Moreover, main patterns of geographical distribution are outlined for the world Dianous fauna of this genus.

关键词： China Dianous distributional patterns new species Staphylinidae

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Diversity, Endemism and Conservation of Ferns(Polypodiales) in the Mexican Mountain Component

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Journal of Mountain Science 2015年第4期12卷 891-904页

作者： SANGINéS-FRANCO Celia LUNA-VEGA Isolda CONTRERAS-MEDINA Raúl ESPINOSA David TEJERO-DíEZ José Daniel RIVAS Gerardo Laboratorio de Biogeografía y Sistemática Departamento de Biología Evolutiva Facultad de Ciencias Universidad Nacional Autónoma de México (UNAM) Escuela de Ciencias Universidad Autónoma "Benito Juárez" de Oaxaca (UABJO) Av.Universidad s/n Ex Hacienda de Cinco Se?ores Oaxaca de Juárez CP 68120 Oaxaca México Facultad de Estudios Superiores Zaragoza Unidad Multidisciplinaria de Investigación Experimental ZaragozaUniversidad Nacional Autónoma de México (UNAM) Carrera de Biología Facultad de Estudios Superiores Iztacala Universidad Nacional Autónoma de México MéxicoAvenida de los Barrios Número 1 Colonia Los Reyes Iztacala Tlalnepantla CP 54090 Estado de México México Laboratorio de Biogeografía Acuática Departamento de Biología Comparada Facultad de Ciencias Universidad Nacional Autónoma de México (UNAM)

We analyzed the distributional patterns of95 selected species of leptosporangiate ferns inhabiting the Mexican Mountain Component, using grid-cells of one geographical degree as unit areas,applying endemism indices and richness and beta diversity *** data were obtained from several herbaria and specialized *** grid-cells appear to be important for fern species richness, as they contain 35 to 49 *** gridcells are located in the Sierra Madre Oriental(SMO),Trans-Mexican Volcanic Belt(TMVB) and the Sierra Madre del Sur(SMS).Mean richness by latitudinal belts of one degree showed that the belts with highest values are related to the TMVB and SMS.A total of 13grid-cells were recognized as important from theperspective of endemism; most of them are located also in the SMO, TMVB and *** richest gridcells coincided with one of the main centres of endemism for ferns obtained in this study, located in the convergence of the southern part of the SMO, the eastern portion of the TMVB and the northern part of the SMS, reflecting the high humidity existing on the mountain slopes facing the Gulf of *** important grid-cells recognized from richness and endemism analyses coincide with Mexican Natural Protected *** beta diversity analysis showed a low degree of similarity among grid-cells, implying a high species replacement, as the result of environmental heterogeneity occurring in the Mexican mountain *** the other hand, the spatial analysis suggested a pattern of phytogeographical regionalization comprising twomain areas: the Mexican Transition Zone and the Mexican Central *** play an important role in the Mexican biodiversity and contributing to the beta diversity of Mexico.

关键词： Biogeography distributional patterns Leptosporangiate ferns Mexico

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Experiment meets biogeography:plants of river corridor distribution are not more stress tolerant but benefit less from more benign conditions elsewhere

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Journal of Plant Ecology 2010年第3期3卷 149-155页

作者： Markus Fischer Michael Burkart Vanessa Pasqualetto Mark van Kleunen Institute for Biochemistry and Biology University of PotsdamMaulbeerallee 1D-14469 PotsdamGermany Institute of Plant Sciences and Oeschger Centre University of BernAltenbergrain 21CH-3013 BernSwitzerland

Aims Factors limiting distributions of species are fundamental to ecology and evolution but have rarely been addressed experimentally for multiple *** conspicuous linear distribution patterns of plant species confined to river corridors in the Central European lowlands constitute an especially long-standing distribution *** experimentally tested our novel hypothesis that the tolerance of species to river corridor conditions is independent of the degree of confinement to river corridor habitats,but that species not confined to river corridors are better able to take advantage of the more benign non-river corridor *** We grew 42 herbaceous species differing in their confinement to river corridors in a common garden experiment on loamy soil typical for river corridor areas and sandy soil typical for non-river corridor areas,and with and without a flooding *** a subset of species,we grew plants of both river corridor and non-river corridor origin to test for adaptation to river corridor *** findings Species more confined to river corridor areas benefited less from the more benign non-flooded and non-river corridor soil conditions than species of wider distributional range *** subsets of 7 and 12 widespread species,the response to flooding and soil origin,respectively,did not differ between plants from river corridor sites and plants from other sites,suggesting that the habitat tolerance of widespread species is due to phenotypic plasticity rather than to local ***,we found clear support for our novel hypothesis that species not confined to river corridors are more able to take advantage of the more benign non-river corridor *** study provides a general hypothesis on differences between species confined to stressful habitats and widespread species out for test in further multispecies comparative experiments.

关键词： distributional patterns edaphic factors environmental tolerance flooding local adaptation multispecies experiment phenotypic plasticity

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