Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 29 for “"worldwide distribution"”.
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Systematic studies of the southern African Psoraleoid legumes
The Psoraleeae are of worldwide distribution, consisting of 185 species in nine genera. More than 60 % of the species are members of the genera, Otholobium C.H.Stirt and Psoralea L., both of which have a centre of diversity in the Cape Floristic Region of South Africa. This dissertation was aimed …
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A preliminary study of the MDH variability in Lemna minor - Lemna turionifera /
… which reproduces apomictically and has a worldwide distribution. This study was vmdertaken to characterize the extent and nature of phenotypic variability. The techniques of starch gel electrophoresis were used in this investigation and. MDH phenotypes of several populations from Ontario, …
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Tidal gravity anomalies in southeastern North America
… microgals, This grouping is consistent with a worldwide distribution of values from regions where the asthenosphere is at intermediate depth, the stress conditions are not excessive, and geothermal heat flow is approximately 60 mW/m².
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Detection of per- and polyfluoroalkyl substances in biosolids from wastewater treatment plants
… variety of industrial and consumer products. The worldwide distribution and ubiquitous presence of these substances has aroused research interests and concerns all over the world. Wastewater treatment plants (WWTPs) have been considered as an important precipitates and sources of PFASs compounds …
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Systematics and Biogeography of South American Tripsacum
Distribution patterns of the New World Andropogoneae genus Tripsacum (Gramineae) were studied in an effort to trace its origin and evolution. The genus is widely distributed from about 42(DEGREES)N to 24(DEGREES)S latitude in the Americas and islands of the Caribbean. The largest concentration of …
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Sistema planctônico da região do emissário submarino de esgotos de Ipanema, Rio de Janeiro, RJ, populações zooplanctônicas: Annelida Polychaeta
… biogeographically studied and ploted as to their worldwide distribution. A survey is made of their presence in the most characteristic water mass of the littoral region of Ipanema. Some planktonic larvae, belonging to the benthonic families Polynoidae, Spionidae and Poecilochaetidae are studied, …
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Taxonomia de Asterocheridae (Copepoda: Siphonostomatoida) associado a esponjas do litoral brasileiro
… are presented. The genus Asterocheres has a worldwide distribution, but for the first time, it is recorded for the South western Atlantic. Asteropontoides, Cletopontius and Monocheres whose species were only known from the lndian Ocean were also first recorded for the Atlantic Ocean.
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Unpacking American Reception of Glocalized Non-English Content in the Netflix Era
… of streaming services has revolutionized the worldwide distribution of media, making it possible for non-English and non-English-adjacent content to reach American consumers on a never-before-seen scale, which is sometimes perceived as an indication of increasing cultural tolerance. However, …
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Manifestações clínicas e diagnóstico laboratorial da doença falciforme : uma revisão sistemática.
… ; 6 ( 18.2%) detached the epidemiology and its worldwide distribution ; 7 ( 24.1%) covered the clinical manifestations of the disease ; 20 ( 68.9%) include laboratory diagnostics and neonatal screening . The m ost studies happened i n Brazil , the Northeast Region , and the capitals of Fortaleza …
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Palaeobiology of Palaeozoic medusiform stem group echinoderms.
… explanatory drawings. This fossil group had a worldwide distribution with a stratigraphic range from the Lower Cambrian to the Upper Devonian and includes the following taxa:- Eldonia ludwigi Walcott 1911, E. eumorphus sp. nov., Rotadiscus grandis Sun and Hou 1987, Discophylluni peltatum Hall …
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Development of a Mouse Model of NY99 West Nile Virus-Induced Neurological Changes
… Nile virus is a mosquito-borne flavivirus with worldwide distribution that can cause severe neurological disease in those infected. After recovery, as many as 60% of patients report neurological deficits that can persist for the rest of their lives. Some of the most common sequelae are …
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Distribution and ecology of charophytes in the Baltic Sea.
… unique group of benthic macroalgae, which has a worldwide distribution in fresh and brackish waters. The aim of the study was to describe the distribution and seasonal growth pattern of charophytes in the Baltic Sea area and determine the importance of the key environmental factors and …
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Biodiversity, distribution patterns and trophic position of meiobenthos associated with reduced environments at continental margins
… (Giere 1993). Because marine nematodes have a worldwide distribution, are the most prominent members of the smaller-sized animals and have a direct link with the sediment and with the processes that occur immediately above the sediment, this group can function as an interesting tool to describe …
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Flight Activity, Oviposition Pit Distribution, and Emergence Densities of Monochamus titillator and M. carolinensis in the Ozark-St. Francis National Forest in Arkansas
… commonly known as pine sawyers. They have a worldwide distribution coincident with pines (Pinaceae) and are vectors of the pinewood nematode (Bursaphelenchus xylophilus). In the United States, there are eight known Monochamus species and they have a sympatric distribution with at least one …
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Phylogenetics and New Approaches to Vaccine Development for West Nile
… 1937 from a febrile Ugandan woman. WNV now has a worldwide distribution from Australia and India in the east to Europe and the United States in the west. The first human cases of WNV in the United States were detected in New York in 1999. The North American isolates were also found to be highly …
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Movement and behavior of ocean sunfish, Mola mola, in the northwest Atlantic
<p>The ocean sunfish, Mola mola, has a worldwide distribution and is a common resident of the NW Atlantic Ocean. Notable for its unusual anatomy and large size, the biology of the species is largely unknown. I examined the movement and behavior of M. mola using pop-up satellite archival tags …
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Systematics of the Afrotropical Mystarini (Araneae : Thomisidae : Dietinae)
… by ca. 2085 species and 173 genera and has a worldwide distribution. The thomisids of the Afrotropical region are known from ca. 69 genera and 371 species grouped into seven subfamilies of which the subfamily Dietinae is the focus group in the present study. The Dietinae of the Afrotropical …
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Winter ecology of migratory Brazilian free-tailed bats (Tadarida brasiliensis) in bridges of the southwestern United States.
Bats are diverse and ubiquitous mammals with a worldwide distribution. In the U.S., especially the southwest, Brazilian free-tails (Tadarida brasiliensis: I. Geoffroy Saint-Hilaire, 1824) are arguably the most abundant bat in the western hemisphere. These insectivorous bats range from Nebraska to …
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Estudo coproparasitológico e epidemiológico do complexo teníase-cisticercose em habitantes do município de Marizópolis - Paraíba
The complex taeniasis - cysticercosis has worldwide distribution, and is a neglected tropical disease that constitutes a serious public health problem. Has high prevalence especially in regions where health and socioeconomic conditions are p oor, which contributes to the maintenance and …
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Investigating the relationship between lung cancer and the infection with the parasite Toxoplasma gondii
… is an obligate intracellular organism that has a worldwide distribution and is highly prevalent among animals and humans. Although usually asymptomatic, it can cause serious diseases in immunocompromised individuals such as pneumonia, ocular toxoplasmosis and abortions. Many studies have …
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