Browsing Fakultät für Biologie und Psychologie (inkl. GAUSS) by Referee "Gradstein, Robbert Prof. Dr."
Now showing items 1-13 of 13
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A Phytosociological Study of Glacier National Park, Montana, U.S.A., with Notes on the Syntaxonomy of Alpine Vegetation in Western North America
(2001-09-14)The alpine and parts of the subalpine vegetation of Glacier National Park, Montana, USA, are investigated using the European phytosociological method of Braun-Blanquet.Based on ... -
Analysis of the Role of Piwil2 gene in Tumorigenesis and Germline Stem Cell Metabolisms
(2006-05-18)The genes of the piwi family are defined by conserved PAZ and Piwi domains and play important roles in stem cell self-renewal, RNA silencing and translational regulation in various organisms. ... -
Anatomie des Pterothorax der Phasmatodea, Mantophasmatodea und Embioptera und seine Bedeutung für die Phylogenie der Polyneoptera (Insecta)
(2008-03-07)The phylogenetic relationships within Polyneoptera and between several taxa of Phasmatodea were analysed based on 60 characters of the thorax and the wing base. Anatomy of the meso- and metathorax of a representative ... -
Diversity and Ecology of Bryophytes and Macrolichens in Primary and Secondary Montane Quercus Forests, Cordillera de Talamanca, Costa Rica
(2004-07-06)Aspects dealt with in this study are the diversity and biogeography of bryophytes, the distribution patterns of life forms and species in microhabitats and along ecological gradients, ... -
Diversity and evolution of pteridophytes, with emphasis on the Neotropics
(2007-09-19)Pteridophytes, understood as taxonomic group containing ferns, horsetails, and clubmosses, are especially diverse and abundant in the tropical mountain ranges of South America. My work ... -
Effects of human disturbance on epiphyte assemblages in the Andes of Ecuador
(2009-03-04)The present dissertation aims at contributing to our understanding of the processes that determine epiphyte diversity in anthropogenic landscapes. At a dry forest site, epiphytic ... -
Effekte anthropogener Störung auf die Diversität kryptogamischer Epiphyten (Flechten, Moose) in einem Bergregenwald in Südecuador
(2005-06-06)Cryptogamic epiphytes (lichens, bryophytes) are distinctive components of tropical montane rain forests in terms of abundance and species richness, and play an important role in ... -
Epiphytic bryophytes in natural forests and cacao agroforests of Central Sulawesi, Indonesia
(2009-06-29)This dissertation consists of several studies on the epiphytic bryophyte flora in natural forest sites and shaded cacao agroforests in Central Sulawesi, Indonesia. Agroforests can harbor ... -
Factors controlling the lower elevational limits in tropical montane plants in the Andes and their implications under the current climatic change
(2006-01-31)To date all experimental approaches on the mechanisms that determine the lower elevational limits of plants have been carried out in temperate regions. Despite of the concrete and relevant ... -
Molecular phylogeny and morphological reconstructions of Plagiochilaceae (Jungermanniopsida) with hypotheses on biogeography and divergence times
(2006-10-30)Plagiochilaceae are one of the largest families of leafy liverworts, with an estimated species number of about 500, the magnitude of them placed in the genus Plagiochila. Members of the ... -
Pollenanalytische Untersuchungen zur holozänen Vegetationsgeschichte entlang des östlichen unteren Odertals und südlichen unteren Wartatals in Nordwestpolen
(2005-03-01)The postglacial vegetation development of an area in northwest Poland and its chronological course was reconstructed based on four pollen diagrams from two sites in the eastern Lower ... -
Site factors determining epiphytic lichen distribution in a dieback-affected spruce-fir forest on Whiteface Mountain, New York
(2002-08-14)Epiphytic lichen distribution on the trunks of living and dead Picea rubens as well as on the trunks of living and dead Abies balsamea and its dependency on chemical and microclimatic site ... -
The Genus Ceratolejeunea Jack & Steph. (Hepaticae: Lejeuneaceae) in Tropical America
(2000-12-13)The genus Ceratolejeunea Jack & Steph. (Hepaticae: Lejeuneaceae) in Tropical America. Gregorio Dauphin L. Albrecht-von-Haller-Institut für Pflanzenwissenchaften, Abt. Systematische Botanik Untere Karspüle 2, D-37073 ...