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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 68 for “"Reproductive Ecology"”.
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Reproductive Ecology of Greater Sandhill Cranes in Nevada
We evaluated factors influencing survival of nests and chicks (i.e., colts) of greater sandhill cranes (Grus canadensis tabida) in northeastern Nevada, USA, during 2009-2010. We monitored 161 nests and 101 colts and used a maximum-likelihood based approach to test multiple competing hypotheses and …
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The Evolution And Reproductive Ecology Of Oenothera (Onagraceae)
… Onagraceae) is a model system for studying plant reproductive biology. It provides excellent examples of shifts in reproductive traits such as pollination and breeding system, features that have been important in angiosperm diversification. These systems are evolutionarily labile; they easily …
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Bioacoustics and reproductive ecology of the damselfish Dascyllus albisella
… to the dawn chorus in birds. Patterns of male reproductive success varied for individual males over successive reproductive cycles and was not correlated to male size. The variation in reproductive success suggests that females choose males based on characters that vary from cycle to cycle. …
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Reproductive ecology of the island scrub-jay (Aphelocoma insularis)
… it a species of conservation concern, yet its reproductive ecology is poorly known. From 2008 - 2010 I investigated factors influencing nest success, quantified annual fecundity per pair, and documented breeding behavior. Nest predation was the major factor influencing nest success, accounting …
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The reproductive ecology of Minuartia patula Michx. Mattf. (Caryophyllaceae)
… rare plants a thorough understanding of their reproductive ecology is essential for the development of effective conservation strategies. In a two year study, I researched several aspects the reproductive ecology of Minuartia patula at five populations in northeastern Illinois. In particular, I …
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Bioacoustics and reproductive ecology of the damselfish Dascyllus albisella
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Biology, 1995.
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Reproductive ecology of the California sea mussel, Mytilus californianus Conrad
This study deals with the reproductive ecology and larval development of Mytilus californianus. Mytilus californianus is the common mussel found along the more exposed west coast of North America from the Aleutian Islands south Isla Socorro, Mexico (Soot-Ryen, 1955) and was chosen because it is an …
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Environmental Effects on the Reproductive Ecology of a Passerine Bird
I found no differences among habitats in the proportion of feeding and foraging performed by males, and little response to experimental manipulations of food supply and nest predation risk. Males did not differ in their proportion of feeding to male- and female-biased broods, but contributed …
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Reproductive ecology of Eastern wild turkey hens in Sussex County Delaware
With the increase popularity in turkey hunting in the State of Delaware and the increase in turkey numbers since 1984, the state of Delaware and the university of Delaware started a project to investigate the reproduction success of Eastern wild turkey hens (Melagris gallopavo silvestris). I …
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Reproductive ecology and population dynamics of two sympatric species of Macoma (Bivalvia)
… Macoma secta and M. nasuta are compared as to reproductive ecology and population dynamics. Histological examination of seasonal gonadal changes indicate that both species undergo dormancy in the winter months and rapid gamete proliferation in the spring. However, the timing of spawning …
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Reproductive ecology of Vestimentifera (Polychaeta: Siboglinidae) from hydrothermal vents and cold seeps
… of trophosome than species from cold seeps. The reproductive condition, however, was found to be irrespective of the surrounding environmental conditions.<br/>Previous studies of the lipid class composition suggested that vestimentiferans store lipids in the gonad. However, because the gonadal …
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Reproductive Ecology and Hatchling Behavior of Olive Ridley Sea Turtles in Honduras
<p>In this dissertation, I investigated the reproductive ecology and hatchling behavior of the olive ridley (Lepidochelys olivacea) sea turtle population nesting in Pacific Honduras. I begin by reviewing olive ridley reproduction, human use of this species, and past and present conservation on …
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Reproductive Ecology of Ring-Necked Pheasants in Central South Dakota's Winter Wheat Landscape
Despite grassland loss throughout South Dakota, pheasant (Phasianus colchicus) numbers have remained stable in parts of the state. With the loss of grasslands, it is possible winter wheat may be an alternate nesting habitat for pheasants. Winter wheat is predominately undisturbed throughout the …
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POPULATION GENOMICS, DISTRIBUTION AND REPRODUCTIVE ECOLOGY OF AN ITALIAN STENO-ENDEMIC CHASMOPHYTE, CAMPANULA RAINERI
… history (gene flows, bottlenecks, and reproductive isolation events), can be investigated through population genomics to infer species phylogeography. Phylogeographically informed Species Distribution Models (SDMs) can reconstruct and predict changes in the geographical range of …
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