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 44 for “"Ecological aspects."”.
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Ecological Aspects of the Biodegradation of Town Waste
… composting of refuse. Thus, the results of the ecological research completed at this stage were applied to the biodegradation of the main component of domestic refuse which is cellulose. A screening programme revealed that thermophilic fungi, generally have a much faster growth rate than …
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Biogeographical and ecological aspects of forest bird communities in eastern Tanzania.
… It attempts to deduce the effects of certain ecological and biogeographic-factors on the structure and species composition of forest bird communities. My principal study areas were in the Usambara Mountains in north-eastern Tanzania, though other forests were visited. My research concentrated …
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Ecological Aspects of Insect Detoxication Enzymes and Their Interaction With Plant Allelochemicals
Inhibition of insect mixed-function oxidases (MFOs) by phytosynergists (plant compounds that synergize cooccurring toxins), differences in MFO activity and sensitivity to phytosynergists among insect species, and metabolic costs of MFO induction are investigated in a series of experiments.
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Ecological Aspects of Four Turfgrass Nematode Genera on Putting Green Turf in Illinois
Studies were conducted to determine the following: (1) the effect of Tylenchorhynchus nudus on root growth of bentgrass and annual bluegrass; (2) the effect and interaction of T. nudus and Magnaporthe poae on bentgrass and annual bluegrass at 24C, 28C, and 30C; (3) the vertical distribution of T. …
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Ecological aspects of the macroinvertebrates associated with two submersed macrophytes in Lake Kariba
Lagarosiphon ilicifolius Obermeyer and Vallisneria aethiopica Fenzl are the most common and abundant submerged macrophytes in shallow inshore waters of Sanyati Basin, Lake Kariba. Lagarosiphon is structurally more complex than Vallisneria. This study considered the macroinvertebrate assemblages …
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Patterns of neotropical Chiropteran reproduction including historlogical and ecological aspects of bats collected in Belize
Bats were collected in Belize, Central America during the summers of 1972, 73, 75, and 76. A variety of collecting techniques were utilized but most success was obtained with mist nets and capturing by hand at roostsites. The majority of the bats were collected between 15 June and 12 July on …
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Ecological aspects of the substrate and water relations of deciduous and evergreen plant forms in the western Karoo
The principle aim of this work was to ascertain the relative importance of water and nutrient supply in determining the success of deciduous and evergreen plant forms on two main substrate types in the Worcester-Robertson valley, situated in the Succulent Karoo Biome. The substrate types selected …
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A study of certain ecological aspects pertaining to a Leucadendron laureolum community at the Silver Mine Nature Reserve, South Africa
This survey was conducted in three phases, viz. 1. The Braun-Blanquet phytosociological technique was used to describe the vegetation of the study area and adjacent areas. Two major communities, based on plant community structure environmental factors and floristics, are recognised. 2. A …
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Estudo sobre o gênero Helicobia Coquillett, 1895, em especial, o grupo Iheringi (Diptera, Sarcophagidae)
… are not so evident. Some biological and ecological aspects of Helicobia are discussed.
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Designing for ecology : the ecological park
This thesis aims to define a) what an ecological park is, and b) whether it is a new model in park design. Reference to the literature on landscape ecology is used to analyze the natural ecological merit of these parks, while reference to the literature on communicative elements of the landscape is …
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Ecologia de uma taxocenose de peixes anuais (Cyprinodontiformes - Rivulidae) num brejo de restinga, Barra de São João, Rio de Janeiro, Brasil
Some ecological aspects of a community of three annual rivulid fishes, Cynolebias constaciae, C. whitei and Leptolebias cruzi, are studied on three temporary pools of Barra de São João (RJ). Cynolebias constanciae and L. cruzi are know only from these pools, and C. whitei occurs in other pools near …
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Evolutionary and ecological genomics in deep-sea organisms
… knowledge in taxonomic, evolutionary, and ecological aspects of deep-sea coral and vent species, by harnessing the power of genomics and overcoming long-standing methodological barriers. First, I develop bioinformatic tools that help guide the design of studies aiming to characterize …
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Girinos de espécies de Hyla do grupo "Albosignata" (Amphibia, Anura, Hylidae)
… some other morphological traits. Some remarks on ecological aspects and environmental prefferences were made, associating some of them as a wider reproductive period and lower altitude streams occupation with the first group of tadpoles. It was observed that the tadpoles of the "albosignata" group …
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Accounting for health and illness: A social psychological investigation
… frameworks; and, by way of an analysis of these ecological aspects, seeks to illuminate our understanding of such accounting. A combination of Q and ethnographic methods were used to elucidate a variety of alternative ways that people "make sense" of health and illness. Three main studies were …
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An Ecological Economics Inquiry into the Social and Solidarity Economy - Insights from an Action Research
… and solidarity economy (SSE) with the critical ecological discourse. The practice- and movement-based theory of SSE promotes a systemic change, social transformation toward an environmentally and socially just future through resisting and building alternatives to the prevailing economic system, …
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