Armstrong, James Leland

We characterized habitat use, growth, and movement of early juvenile Atlantic sturgeon in Albemarle Sound, North Carolina through field work conducted in 1997 and 1998. Most of the Atlantic sturgeon encountered in the study were estimated to be age-1 fish. The presence of numerous age-1 Atlantic sturgeon near a historic spawning river (Roanoke River) suggests that these fish are likely native to the system. Recaptures of tagged Atlantic sturgeon allowed us to describe the growth of early juvenil...

Jordan, Michael Terence

Small watershed budget studies are a major research tool in hydrology, ecology, and geochemistry. Most watershed hydrology and geochemistry studies attempt to avoid sites with groundwater seepage beneath topographic divides, known as interbasin groundwater transfer (IGT), due to the difficulty in quantifying it. However, IGT is an important and relatively common hydrological process that merits study. This project identified and quantified IGT by making detailed physical and chemical measurement...

Darcy, Meaghan Christian

A habitat corridor is a landscape feature that is hypothesized to promote dispersal between habitat patches that would otherwise be isolated, and promote population persistence. Habitat corridors have not been widely explored in marine and estuarine systems. We used artificial seagrass units (ASUs) placed on unstructured sediment in Middle Marsh and Drum Shoals, Back and Bogue Sounds, North Carolina to create seagrass patches (1m2 and 4m2) separated by bare sediment or connected by additional AS...

Slusser, Sarah Winters

ABSTRACTSLUSSER, SARAH WINTERS. An evaluation of the influence of several convective parameterization schemes on a real time turbulence model (RTTM) in weakly-forced environments.(Under the direction of Drs. Yuh-Lang Lin and Michael L. Kaplan)The purpose of this study is to improve the convective forecasts of weakly forced environments within the Real Time Turbulence Model (RTTM). Focusing on the southeastern portions of the United States, due to the amount of NASA flight missions conducted in t...

Thompson, Sarah Rachel

THOMPSON, SARAH RACHEL. Biological control and behavioral studies of mole crickets (Orthoptera: Gryllotalpidae) with the entomopathogenic fungus, Beauveria bassiana (Balsamo) Vuillemin. (Under the direction of Rick L. Brandenburg.)<BR>The objectives of this research conducted with the entomogenous fungus, Beauveria bassiana, include: a) to determine if a behavioral response occurs when mole crickets are exposed to the conidia b) to measure the viability of the spores when applied t...

Hwang, SangPil

SangPil Hwang. Dynamic Time Series Analysis Using Logistic Function.(Under the direction of David A. Dickey.)This paper investigates a set of autoregressive time series models whosecoefficients have the form of a logistic function. The transfer function type models give additionalflexibility over the fixed coefficients models and include them as a special case.NLAR models with the AR(1) coefficient being a hyperbolic tangent function work well for modelingseries which have asymmetric stochastic ...

Pierson, David Michael

The work presented here is a comprehensive study of using time reversal to detect objects located in an inhomogeneous environment using backscattered signals with an emphasis on littoral environments. Time reversal of acoustic signals in the ocean has been studied for more than two decades with the emphasis on the use of the forward scattered field. All studies share similar geometries where both the acoustical source and an adjacent array of transducers are placed in the water column. This conf...

Luginbuhl, Sarah C

AbstractLUGINBUHL, SARAH CHRISTEN. Surface and subsurface hydrology of a drainedCarolina Bay prior to restoration. (Dr. James Gregory, chair; Dr. Michael Vepraskas,co-chair)Juniper Bay is a 330 ha Carolina Bay located 13 km southeast of Lumbertonin Robeson County, North Carolina. Carolina Bays are elliptical depressions in thelandscape primarily located in the Coastal Plain region of North and South Carolinaand Georgia. They are oriented with major axes northwest to southeast and theirorigin is ...

Jelinek, Susan T

ABSTRACTJELINEK, SUSAN THERESA. The Association of Weed Species Richness and Abundancewith Field Margin Type in Crop Fields. (Under the direction of Dr. J. Paul Mueller and Dr. Nancy G. Creamer).Natural vegetation on farms such as field margins, successional fallow fields, ditch systems, and neighboring forests provide increased biodiversity, structural diversity, habitat for wildlife and beneficial insects, and can act as protective buffers against agrochemical drift. Nevertheless, farmers freq...

Kennedy, Casey David

This pilot project presents 14C groundwater ages in the Black Creek and Upper Cape Fear aquifers of the Coastal Plain of North Carolina, an evaluation of the relationship between He concentration and groundwater age, and 3H concentrations in groundwater. Groundwater samples were collected with a Bennett pump from 7 wells that lie along a trend roughly parallel to groundwater flow (at least, predevelopment groundwater flow). 14C, 13C, DIC, DOC, He, Ne, Ar, N2, O2, CO2, CH4, H2, 3H, S, Fe, Al, Mn,...

Callahan, Heather Ann

Ichthyobodo necator is a member of the Order Kinetoplastida and an important fish ectoparasite with a broad host and ecological range. When Ichthyobodo were exposed to the anesthetic tricaine, buffered with sodium bicarbonate, parasites remained attached to the skin of fish. When parasites were exposed to unbuffered tricaine, they detached almost completely from the skin. This finding indicated that tricaine should always be buffered when fish are to be clinically evaluated to prevent a reductio...

MEYER, KRISTIN JENNIFER

The purpose of this study was to perform an empirical comparison of several methodsof data collection for two visitor impact indicators. This study is the result of a biggercarrying capacity research endeavor in which one of the goals was to come up with indicatorsto monitor visitor impacts at the Boston Harbor Islands National Park Area. Specifically, thetwo visitor impact indicators evaluated in this study were soil compaction and ground coverestimation. These indicators were measured on two h...

Appelboom, Timothy William

AbstractAppelboom, Timothy William. Effects of In-Stream Processes on the Fate of Nitrogen and Phosphorous in Drainage Canals of Forested Watersheds. (Under the direction of Dr. G.M. Chescheir and Dr. R.W. Skaggs.)As time progressed and populations increased, human activities related to the production of resources such as food, timber, clothing, and energy have focused on enhancing biological systems to increase yields. This has resulted in the altering of the natural cycles of nitrogen and phos...

Diggs, Jonathan Andrew

Abstract.Diggs, Jonathan Andrew. Simulation of hydrology and nitrogen loading of forested fields in eastern North Carolina using DRAINMOD-N II. (under the direction of Dr. R. W. Skaggs and Dr. G. M. Chescheir)A new version of DRAINMOD-N (DRAINMOD-N II) was used to evaluate the combined effects of soil variability, vegetation, drainage intensity, climate, and management practices on the hydrology and nitrogen (N) transport in forests. A better understanding of these processes will be useful in th...

Yu, Yi-Hsiang

In the past few decades, many people spent a lot of time and used many different ways, which includes analytic method, numerical method, and experimental observations for investigating the flow around circular cylinder problem. Eventually, the purpose of these investigations is to determinate the force acting on the cylinder and which is very useful and important for marine and hydraulic engineering. Essentially, it can be divided into three circumstances, (i) the flow around a fixed cylinder, (...

Zhang, Yao-Min

AbstractThis study focuses on the structure analysis and the dynamic response of the submerged cage net system. The research contents basically include two parts: (1) establishing a numerical model, which is able to predict the cable tension and the change rate of the cage net volume under the attack of typhoon waves; (2) implementing a hydrodynamic physical model test with model scale 1/30, which is installed in the water tank to determine the tension of mooring cable at the anchor.The comparis...

Fang, Chi-sheng

The purpose of this research is to study the effects of environments on the growth of Thalassia hemprichii in cement ponds. The growth index include¡Gchlorophyll concentration, leaf length , hairy root length and their wet weight during experimental periods. Environmental factors use in this study included¡Gsalinity (3 levels), water depths¡]8 levels¡^, sediment types (4 groups) and sun light energy. The results showed that¡G¡]1¡^Sal...

Chao, Yueh-Ping

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Lai, Ming-Hsun

The purpose of this study is to incorporate the knowledge and technique of marine geotechnical engineering, underwater acoustic surveying and hydraulic experiment into studying the problems of artificial reefs off Ling-yang, Kaohsiung Country, South-western part of Taiwan deployed in March 1996. Based on hydraulic experiment, we try to observe the scouring mechanism of artificial reefs. Beside, two other reefs Yung-an, Fang-lio reef were surveyed in this study .The ultimate goal of this investig...

Lee, wei-sehn

Performance studies on the treatment of VOCs in air streams by a pilot-scale regenerative catalytic oxidizer (RCO) and a full-scale regenerative thermal oxidizer (RTO) were conducted.The pilot-scale RCO was constructed with two 20-cm x 200-cm (inside diameter x packing height) regenerative beds packed with gravel (average particle size = 1.25 cm) used as the thermal regenerative solid material. Experimental results indicate that destruction efficiencies of 97 and 90%, respectively, were obtained...

Hwang, Hong-Yao

After the Cold War, international relationships changed from the Yalta System (emphasis on military alliance and arms race led by both superpowers the U.S. and the former Soviet Union) to the Malta System (emphasis on economic and security cooperation). Multilateral security cooperation mechanisms in the Asia Pacific were established one after another under the transition of the whole international circumstance.For purposes of maintaining regional stability, the PRC fully participates in the fol...

Hung, Kuang-Chih

AbstractThe n-hexane extract of Formosan gorgonian coral Isis hippuris (Isididae) collected from Green Island was found to exhibit significant cytotoxicity against P-388, A-549 and HT-29 cell lines. Cytotocicity-guided fractionation of this extract led to isolation of a known subersenone (1), five new suberosanane analogues, suberosanone (2), suberosenol A (3), suberosenol B (4), suberosenal A acetate (5) and suberosenol B acetate (6), two sesquiterpenes of novel skeletons, isishippuric acid A (...

Hsu, Ta-Wei

The Qilian Fold Belt is a suture belt between the China-Korea craton and Qaidam craton. There are manly Paleozoic volcanic rocks of marine origin occurred in the Qilian suture belt. According to the previous studies, these volcanic rocks are mainly spilite and keratophyre. In the present study, we have used methods of petrography and mineral chemistry to study alteration and low-grade metamorphism of Ordovician volcanic rocks in Mayahsuehshan, Minleh and Changma areas. These three areas are loca...

Wong, Chun-Pong

The Research of Outsourcing Management for ShipbuildingAbstractThe shipbuilding production are concentrate of capital, labors, technology, request long periods, multi-model and small quantity output, special-case management method, owning to the speedy development of computerize, information technology application and profession soft-wave and machine, etc., it make the sales market coming to more sole and personally, and increasing the distance between shipyards¡¦ comparative. ...

Chu, Chih-Ju

The methylene chloride and acetone extracts of Formosan soft coral Clavularia violacea (Collected at Green Island) were found to exhibit significant cytotoxicity against P-388, A-549 and HT-29 cancer cell lines. Chromatographic separation let to the isolation of one prostanoid, 1, two cembranoid deterpenes, 2 and 3, one aromadedrane-type sesquiterpene, 4, one neodollabellane diterpene, 5, (+)-curcuphenol, 6 and two sesquiterpene lactones, 7 and 8. Compounds 1, 2, 4, and were new compounds. Compo...

Chang, Chih-cheng

This study utilized, for the first time, the d18Osw as a tracer to investigate the seasonal variations of circulation in the Taiwan Strait (TS), which is the predominant sea passage with an average depth of 60 m connecting the East China Sea (ECS) and the South China Sea (SCS). The result shows that the circulation system in TS is mainly influenced by the inter-mixing among the China Coastal Water (CCW), the SCS water (SCSW), and the Kuroshio Water (KW). In spring, the KW dominates in TS, wherea...

Chang, Shih-Tai

AbstractThis research investigated the distribution of Trichodesmium in the South China Sea and the ecological factors that affect it. The survey periods were from August 1999 to October 2000. A total of 5 cruises were conducted, mostly in summer and autumn, including cruise 559 (August 18~25, 1999), cruise 629 (May 22~27, 2000), cruise 588 (July 3~14, 2000), cruise 597 (October 4-13, 2000), and cruise 657 (October 16-21, 2000). The sampling stations were located on the continental shelves, the ...

Hsu, Shih-Tzung

In the traditional analysis of acoustic wave propagation in an ocean waveguide, it s generally assumed that acoustic properties, including density and sound speed profile at seabed are taken to be constant. However, recent experimental data provided by Hamilton~(1980)~ have shown that the sediment layer in the seabed experiences a transitional change in which the density and the sound speed vary continuously from one value at the top to another at the bottom of the layer. The objective of this s...

Cheng, Yu-Chih

AbstractChromatographic purification of a methinol extract of Formosan soft coral Sinularia numerosa (collected in Green Island) led to the isolation of two norcembrane norditerpenoids, (1R*,5S*,8R*,10S*,11R*)¡V11¡Vhydroxy¡V1¡Visopropenyl¡V8¡Vmethyl¡V3,6¡Vdioxo¡V5,8¡Vepoxy¡Vcyclotetradec¡V12¡Vene¡V10,12¡Ðcarbolactone (19) and (1R*,5S*,8R*,10S*,11S*)&...

Chang, Yao-To

Marine natural products which contain a �G]- carboline skeleton are widely distributed in marine invertebrates. The discovery of natural �G]- carboline metabolites as potent antitumor and antival agents has stimulated a great interest on the synthetic and pharmatological studies of�G]- carboline derivatives. Herein, the preparation, charactrization and biolgical evaluation of 1-substituted 1,2,3,4-tetrahydro-�G]- carboline and 3,4-dihydro-�G]- carboline derivatives are reported. A facile synthet...

Lin, Chun-Ling

Previously, the natural�G]-carboline metabolites as potent antitumor and antival agents have spurred a great interest on the synthetic and pharmacological studies of�G]-carboline derivatives. Herein, a simple synthetic method by the application of Pictet-Spengler reaction and DDQ oxidation allowed the preparation of 1-substituted�G]-carboline derivatives. Compounds 88-91 were synthesized from tryptamine and N-substituted-3-carbazole carboxaldehyde via Pictet-Spengler cyclization. Then, oxidation...

Chi, Pao-Chun

AbstractThe object of this study is to investigate the flow induced vibration of cable structures. Two various methods, Eigenvalue method and Cable dynamics method, are used to evaluate, the natural frequencies of structures. Vortex shedding frequencies are introduced in order to compare with the natural frequencies mentioned above. The results determine whether the phenomenon of resonance or Lock-in occur.This study has four parts. The first part is the dynamic analysis of an underwater cable D...

Tang, Hung-Jei

The purpose of this study is improve the cage net volume deformation during typhoon attacking. A special bottom collar system is to substitute the sinkers system. The Research contents include the numerical development and the hydrodynamic physical model test in a wave tank. The numerical model is based on the lumped mass method to set up the equation of motion of the whole cage net system; meanwhile the solutions of equation have been solved through the Runge-Kutta fifth order method. The hydro...

Shen, Chien-Ou

The problem of coherent reflecton of an acoustic plane wave from a random seabed consisting of a randomlyinhomogeneous sediment layer overlying a uniform elastic sea floor is considered in this analysis.The random perturbation in the sediment layer is attributable to the sound-speed variations,resulting in volume scattering due to medium inhomogenieties.An approach based upon perturbation theory, combining with a derived Green s function for a slab bounded above andbelow respectively by a fluid ...

Chen, Chien-Ting

Abstract24�Gi-methylcholestane-3�G],5�G\,6�G],25-tetrol-25-monoacetate (1), 24�Gi-methylcholestane-3�G],5�G\,6�G],25-tetrol (2), 24�Gi-methylcholestane-1�G],3�G],5�G\,6�G],25-pentol-25-monoacetate (3), (20S)-21-decanoxyl-24�Gi-methylcholestane-3�G],5�G\,6�G],24 -tetrol (4), (20S)-21,24-diacetaoxy-24�Gi-methylcholestane-3�G],5�G\,6�G]-triol (5) were isolated from the soft coral Sarcopyton glaucum which were collected from the Green island. The structures of 1~5 were established by spectroscopic d...

Lee, Shan-Huei

Abstract20 century end, the third wave democratization wave tide cause the snowballing effects, lead to the former Soviet Union and Eastern Europe communist nation disintegration and walk the road that democracy transform. The Mainland China nature receives to relatively big impact, especially U.S¡Bformer Soviet Union the breakup of two very confrontation systems, make the western nation as to it¡¦s the military strategy and western value a victory of peaceful evolutio...

Chen, Shin-Pin

AbstractIn our continuing studies on the chemical constituents of Taiwanese octocorals, the gorgonian coral Isis hippuris and the sea pen coral Virgularia juncea, which were collected from the coast of Green Island and Peng-Hung Islands, respectively, have been the subjects of our investigations. Six compounds, including two new steroids, hippuristerones A and E (1 and 2), along with three known steroids 3�G]-hydroxy-5�G\-pregnan -20-one (3), prenga-4-ene-3,20-dione (4), prenga-1,4-diene-3,20-di...

Lin, Yi-Shyang

AbstractOn September 24, 1999, the first high-resolution commercial nature resource satellite, IKONOS-2, had been successfully launched. This started a new era to the applications of remote sensing. The best resolution of the IKONOS imageries is 0.82m. This imagery provides more detail spatial information than previous satellites. Many high spatial resolution satellites with hyper-spectral imageries will be launched successively by the year of 2002. When the time comes, the application of remote...

Huang, Chien-chun

ABSTRACTVillage renewal refers to the process in which the existing living space and environmental conditions that have traditional value and characteristics, under the consideration of natural and humanistic resources, are bonded with social changes. It is a comprehensive, local, and perennial mission that involves both the public and the private sectors.For a long time Taiwan has witnessed an imbalance between cities and rural areas: the development of cities at the cost of villages, from whic...

YUNG, YANG-WEI

This paper is to study institutional investment relational-ship and the effect to index return.This paper have fund the institutional indeed have effect the index return and qfii investment behaver has effect other institutional investment behaver.The institutional in the spot market investment will preeffect future market.

Wu, Shih-Jen

A total of 10 vertical 226Ra profiles from the North Pacific was published as part of the GEOSECS program. These profiles are located on an east-west section along ~300N. The purpose of this thesis is to use one-dimensional and two-dimensional diffusion-advection models to estimate some important geochemical parameters.There are some discrepancies between the modeling results and the observed tracer distributions due to restrictions on end-members in the models. Fitting the observed data to the ...

Chang, Yu-Chia

In order to better understand the flow dynamics of the Kaoping Submarine Canyon (KSC), this study conducted a series of field experiments to monitor the current, temperature, salinity and tide near the KSC by using shipboard ADCP, CTD and moorings of RCM-8 and workhorse ADCP. Three cruises of Sb-ADCP and CTD have been carried out in September and December of 1999 and May 2000, each lasting two days, while mooring experiment was conducted in June and July, 2000. Least-square fit was applied to th...

Chiu, Hui-Ning

This study investigated the influencing factors to retirement home decisions in Taiwan. The effect of socio-demographic variables, health conditions, and needs to characteristics were examined. The objective of study was people whose age over 50 in Taiwan. The questionnaires were collected by mail and there were 755 valid samples. The findings from this study include the followings. First, using hierarchical logistic regression, the major predictors to decision to retirement home are: 1.insuranc...

Shih, Meng-Hsun

Taiwan steel industry has stepped from grown-up into mature period. Especially, the midstream and downstream of steel industries will face the problems of sterner challenges and overcapacity, because of the oversupply of global steel. Not only the prices of oil, coal, water and power have climbed, but also the shipping cost has increased continuously. The improvement of Supply-Chain-Management (SCM) has become a significant issue under the circumstances. The SCM of Taiwan flat cold-rolled steel ...

Chuang, Shih-Chiao

AbstractKaohsiung Harbor is one of the most important international sea ports in the world. Due to the long-standing lack of in-situ current data, the complex variations of the flow field in this basin still remain unclear. As a consequence, the related environmental problems such as oil spills, water quality management and ship maneuvering safety , have long been a great concern in this harbor. The present study is conducted to better understand the flow field in the Kaohsiung Harbor.A series o...

Chen, Yao-Wen

Acoustic wave fields in an ocean waveguide with a sediment layer having continuously varying density and sound speed overlying an elastic subbottom is considered in this analysis. The objective of this study is to investigate the effects of seabed acoustic properties,including the density and sound speed of sediment layer and subbottom, on the characteristics of the wave fields. This geometry offers a good environmental model which closely resembles a realistic ocean waveguide.This noise model w...

LIU, CHIU-MEI

The Kaohsiung Harbor Bureau is undergoing a organizational change process to change itsstatus to that of a Special Authority. This organizational change will have a significantimpact upon the professional jobs and rights of Bureau employees. The current Bureauadministration is able to control neither the progress nor the practical results of thisorganizational change initiative. This research treats personal variables and organizationalclimate as independent variables, organizational commitment ...

Ou, Rong-Chang

The purpose of this investigation was to integrate the knowledge and techniques of marine geotechnical engineering, underwater acoustic and optical observation into studying the engineering problems of artificial reefs off south-western coast of Taiwan (Fang-Liau ,Lin-Yang, Yung-An artificial reefs etc.) and the destruction of mooring system on farming cages caused by the interaction of wave-current system. The ultimate goal of this investigation was to understand the scouring activities of loos...

Hou, Hsan-Tan

To track back to the history of low temperature logistic in Taiwan, they were managed and set up in the factory internal warehouse by the most of Food Company. From there, refrigerated trucks transferred the food to every single agent or dealer and they will do the distribution by themselves. Function wise, it is just on the stage of ¡��Transportation and Storage¡¨ to logistic distribution system.Since we entered into WTO, every kind of frozen and cold storage food flo...

Yang, Bo-ren

There are many approach for The study of marine resources and now in Taiwan is a lot of express , but the damage to net-cage by typhoon is cost much money . The most important study in Taiwan is to use new teconology to update the traditional business and get advanture in international.