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Showing 1 to 17 of 17 for “"Phytogeography"”.
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Taxonomy, Phytogeography, and Biosystematy of Aster, Section Multiflori
Made available in DSpace on 2014-12-11T18:28:23Z (GMT). No. of bitstreams: 1 7405604.pdf: 17640672 bytes, checksum: 9dbb9ee2d1e3b34cc699d5052958553c (MD5) Previous issue date: 1973
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The implications of fynbos phytogeography for wetland photoassessment
The initial focus of the present study was intended to develop phyto-assessment tools for the evaluation of the environmental condition of lowland wetlands in the Fynbos biome of the South Western Cape of South Africa. A field survey and analysis of freshwater wetland vegetation across the Cape …
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Taxonomy and phytogeography of the Cactaceae of eastern Brazil
… of taxa and increased speciation. Cactus phytogeography lends support to recent hypotheses on historical plant migration routes in South America, while analysis of distribution patterns indicates > 94% of taxa as ± restricted to one of 3 major vegetation categories: (1) <i>Mata …
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Phytogeography, endemism and diversity of the fynbos of the southern Langeberg
… a multi-faceted investigation of aspects of phytogeography, endemism and species diversity in the rich fynbos flora of the southern Lange berg, Cape, South Africa. The basis was a survey of the fynbos vegetation of the southern Langeberg carried out following the Braun-Blanquet or …
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A família Bromeliaceae nas restingas do estado do Rio de Janeiro: fitogeografia
… to a broader understanding of bromeliad phytogeography. Data are presented that will help to solve the taxonomic problems of some species and also conserve ecologically important areas. A vast amount of information on the distribution of the species studied here was obtained from …
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A taxonomic revision of the spiny members of subfamily celastroideae (Celastraceae) in Southern Africa
… from macromorphology, leaf anatomy, ecology and phytogeography is used as a basis for classification. The genus Gymnosporia (Wight & Am.) Hook. f. is reinstated, deviating from Maytenus by the presence of spines and brachyblasts, dichasial inflorescences, and mainly unisexual flowers. A new …
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Systematic studies in the genus Solanum in Africa
… characters are described and assessed, and the phytogeography of the genus is discussed. The results of cross-pollinations and protein comparisons using polyacrylamide gel electrophoresis and serological techniques are discussed. No new insights into the taxonomy of the African species were …
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The vascular flora of the Tennessee River Gorge, Hamilton and Marion counties, Tennessee
… affinities. Specifically, examination of the phytogeography of the TRG reveals a central geographic distribution to eastern North America; however, 9.5% of the flora has affinities to the southern region, while 3.3% has northern geographic affinities.
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Systematic studies on the subtribe Disinae (Orchidaceae)
… of classifications are briefly discussed. The phytogeography of the subtribe is analysed in some detail. Centres of endemism are delimited, and their interrelationships are analysed, together with the patterns of species and above-species richness. The history of the subtribe is analysed using …
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Natural Visions: Photography and ecological knowledge 1895-1939
… from its beginnings in 19th century European phytogeography, to the first modern ecological vegetation surveys undertaken by British ecologists around 1900, ecology developed as a visual science. From the late 1890s, early ecologists insisted on a role for photography in particular, as a means …
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The vascular flora of the bare zone of the Copper Hill basin, Polk County, Tennessee and Fannin County Georgia
A vascular plant inventory of The Bare Zone of the Copper Hill Basin, Polk County, Tennessee and Fannin County, Georgia was conducted during the growing seasons of 2017 through 2019. The site encompasses 3215 ha in the Blue Ridge ecoregion. A total of 444 species and lesser taxa from 113 families …
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<em>Vitis</em> Seeds (Vitaceae) from the Late Neogene Gray Fossil Site, Northeastern Tennessee, USA.
<p>This study focuses on the morphometric and systematic studies of fossil vitaceous seeds recently recovered from the Gray Fossil Site (7-4.5 Ma, latest Miocene-earliest Pliocene) northeastern Tennessee. Morphologically, all fossil seeds correspond to the extant subgenus <em>Vitis</em> (genus …
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Regional data refine local abundance models: modeling plant species abundance distributions on the Central Plains
Species distribution models are frequently used to predict species occurrences in novel conditions, yet few studies have examined the effects of extrapolating locally collected data to regional scale landscapes. Using boosted regression trees, I examined the issues of spatial scale and errors …
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ΒΙΟΜΕΤΡΙΚΗ ΚΑΙ ΚΥΤΤΑΡΟΛΟΓΙΚΗ ΜΕΛΕΤΗ ΤΟΥ ΓΕΝΟΥΣ FRITILLARIA L. ΣΤΗΝ ΕΛΛΑΔΑ
THE PRESENT STUDY REPORTS THE RESULTS OF A BIOMETRICAL AND CYTOLOGICAL WORK 17 SPECIES OF THE GENUS FRITILLARIA ( LILIACEAE) IN GREECE. MULTIVARIATE TECHNIQUES, SUCH AS PRINCIPAL COMPONENT ANALYSIS AND CLUSTER ANALYSIS WERE USED TO EVALUATE THE PHENETIC SIMILARITIES AMONG THE SPECIES. (40 …
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ΕΡΕΥΝΕΣ ΕΠΙ ΤΩΝ ΒΕΝΘΙΚΩΝ ΜΑΚΡΟΦΥΚΩΝ (CHLOROPHYCEAE, PHAEOPHYCEAE, RHODOPHYCEAE) ΤΟΥ ΚΟΡΙΝΘΙΑΚΟΥ ΚΟΛΠΟΥ. ΧΛΩΡΙΔΙΚΗ, ΤΑΞΙΝΟΜΙΚΗ, ΦΥΤΟΓΕΩΓΡΑΦΙΚΗ, ΟΙΚΟΛΟΓΙΚΗΜΕΛ...
THIS STUDY EXAMINES THE BENTHIC CHLOROPHYCEAE, PHAEOPHYCEAE AND RHODOPHYCEAE OFTHE KORINTHIAKOS GULF, GREECE, FROM THE FLORISTIC, TAXONOMIC ECOLOGICAL AND PHYTOGEOGRAPHICAL POINTS OF VIEW. SEVEN CHAPTERS ARE INCLUDED IN THE PRESENT WORK. HISTORICAL REVIEW OF THE MARINE ALGAL RESEARCH CARRIES OUT IN …
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Φυτοποικιλότητα και νησιωτική βιογεωγραφία για την αειφορική διαχείριση προστατευόμενων περιοχών του Ιονίου πελάγους
Τα νησιά αποτελούν σημαντικά φυσικά «εργαστήρια» για πολλές οικολογικές, εξελικτικές και βιογεωγραφικές μελέτες. Επίσης, αποτελούν αναγνωρισμένα κέντρα ειδών με μικρή γεωγραφική εξάπλωση (κέντρα ενδημισμού), αλλά ταυτόχρονα όμως χαρακτηρίζονται από χαμηλότερη ποικιλομορφία σε σύγκριση με τις …