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 7 of 7 for “"intermediate disturbance hypothesis"”.
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The bees of Niagara: a test of the intermediate disturbance hypothesis /
… This study also examined how anthropogenic disturbance affects the diversity of bee assemblages. The intermediate disturbance hypothesis (IDH) was tested by selecting field sites subject to low, intermediate, and high disturbance. Intermediate disturbance had the highest species richness …
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The interactive effects of disturbance and nutrient enrichment on species diversity and biomass of intertidal rocky-shore communities
… patterns of diversity along gradients of both disturbance and productivity rank amongst the most celebrated generalizations in ecology, known as the Intermediate Disturbance Hypothesis (IOH) and Productivity Diversity Hypothesis. However, doubt about their generality has arisen from studies …
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Effects of Wave Action on the Structure of Fish Assemblages Across an Exposure Gradient
<p>Disturbance affects the function and diversity of ecosystems. Increased wave exposure to salt marsh can disturb sediments and cause a loss of habitat. The purpose of this study was to explore the effects of increased wave exposure on diversity, abundance, and functional ecology of estuarine …
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Epigeal invertebrates of Yorkshire allotments: the influence of urban-rural gradient and management style
… Whilst spider diversity did conform to the intermediate disturbance hypothesis, the beetles and woodlice did not. The majority of species found were generalists, thus conforming to the opportunistic species hypothesis. Most taxa could be categorised as either neutral or beneficial in terms …
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Testing for Unimodal Relationships between Diversity, Disturbance, and Productivity
… regressions. Two of these theories, the intermediate disturbance and productivity hypotheses, are assessed as case studies to explore the hypotheses themselves, characterize the conditions in which various relationship shapes take place, and underscore the disparities between the …
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Response of barrier island fish assemblages to impacts from multiple hurricanes: assessing resilience of Chandeleur Island fish assemblages to hurricanes Ivan (2004) and Katrina (2005)
Hurricanes can temporarily disrupt seasonal patterns of fish assemblage change or result in permanent changes in fish assemblages. I studied the effects of two hurricanes on fish assemblages at the Chandeleur Islands and the possible influence that storm-generated tidal channels may have on the …
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Biodiversity-ecosystem service relationships in degraded and recovering ecosystems.
… forests affected by human exploitation and disturbance. Specifically this thesis aimed to answer the questions: 1. What effect do non-native plant invasions have on aboveground carbon storage, belowground carbon storage, carbon sequestration, water quality and water provision? 2. How do …