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The Ecology of Juvenile Hawaiian CoralsFitzhardinge, Rachel C 01 May 1993 (has links)
I studied coral recruitment, growth and community
development in Kaneohe Bay, Oahu, Hawaii. In one
experiment, I investigated coral recruitment at 7 sites, in
3 consecutive years. Coral community development was
followed for up to 3 y. Hollow concrete blocks were used
as experimental substrata. The smallest recruits which I
detected were 1 mm in diameter.
variability in recruitment was observed both between
sites and between surfaces of the blocks. Temporal
variability in recruitment patterns between years was also
recorded. After 3 mo immersion, Pocillopora damicornis, a
brooding species, was-the most abundant coral. Another
brooding species, Cyphastrea ocellina, and the ahermatype,
Culicia cf. tenella were also detected. Two spawning.
species, Montipora verrucosa and Porites compressa were not
detected until after 6 mo immersion. Over 3 y, the
relative abundance of Pocillopora damicornis declined at
most sites and the relative abundance of Porites compressa
increased. Montipora verrucosa recruits remained uncommon.
The distribution of hermatypic corals on the blocks
also changed with time. Initially recruits were most
abundant on interior top surfaces after 3 y, they were most
common on outer surfaces of the blocks.
Inter- and intraspecific differences in growth were
recorded. pocillopora damicornis attained the largest colony sizes. Growth rates varied considerably between
sites. Successful recruitment was highest after 3 y
immersion, at sites where corals grew most rapidly.
In the second set of experiments, I measured invisible
recruitment sensu wallace (1983) and investigated the
effects of urchin and fish grazing on coral recruitment.
Montipora verrucosa was the most common recruit after 3 mo
immersion. Fish and urchin grazing significantly affected
the abundance of M. verrucosa but not that of Porites
compressa or Pocillopora damicornis.
After 3 mo immersion, the maximum size attained by P.
damicornis was greater than P. compressa or M. verrucosa
which had similar colony diameters and number of polyps.
However, during the next 5 mo P. compressa grew more
rapidly than M. verrucosa. The different growth rates of
these species explains why P. compressa increased, and M.
verrucosa decreased in relative abundance.
Interspecific differences in larval size at
settlement, the time taken to deposit a skeleton, and postsettlement
growth strategies, all influence recruitment
success. / Thesis (Ph. D.)--University of Hawaii at Manoa, 1993. Includes bibliographical references (leaves 240-252)
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Methods for estimation of cyclic recruitment variation in pygmy northern pikeminnow (ptychochelius oregonensis) of south central British Columbia.Hawkshaw, Michael Andrew 11 1900 (has links)
A long term study of fish populations on the Bonaparte Plateau, B.C., has revealed the possibility of 2-year cyclic recruitment variation in the pygmy pikeminnow (Ptychocheilus oregonensis). This thesis reviews possible causes of the cycle, and evaluates an inexpensive and non-destructive visual survey method to estimate juvenile population numbers over short summer periods while pikeminnow juveniles are recruiting to the lakes and dying rapidly, for use in future studies of the cyclic pattern. To provide an index of the abundance of juvenile pikeminnow, strip-transect surveys were conducted from shore. Each strip transect area was a full circumference of each of three study lakes, and extended from shore to a distance of up to 3 meters offshore. The visual surveys were shown to be accurate and repeatable when estimating the number of fish and the lengths of the fish in a shoal. The strip transects provide an index of abundance for juvenile northern pikeminnow and this index of abundance can be used to calculate daily summer and interannual mortality rates, providing estimates close to those predicted from the Lorenzen model for size-dependent mortality rates of fish in general. Stationary point surveys were also conducted to investigate juvenile pikeminnow behaviour, and these point surveys reveal a link between sunlight intensity and pikeminnow activity, and provide evidence of direct agonistic interactions between age 0 and age 1 juveniles, which could result in higher mortality rates of age 0 fish when age 1 fish are abundant. Analysis of survey data collected to date over five years from three lakes supports the possibility of a recruitment cycle with lakes out of phase with each other, suggesting that ecological interactions drive the cycles. These interactions are worthy of further investigation.
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Influences of organisational image on applicant attraction in the recruitment processRose, Natalie Emma January 2006 (has links)
In the present investigation, factors related to prospective applicants impressions of an organisation at the pre-interview stage of the recruitment process, and how these perceptions influence decisions to pursue an organisation for possible employment were explored. A heightened understanding of these factors is of relevance to organisations in the current labour market environment, and is of critical importance when considering that recruitment in the pre-interview stages remains under-researched and lacking in a strong theoretical foundation. To address this weakness in the recruitment research the present investigation will integrate two disparate areas of literature - recruitment and marketing - within the theoretical context of Fishbein and Ajzen's (1975) theory of reasoned action. The theory of reasoned action is well tested in the social psychology arena and provides a sound theoretical platform to underpin the relationships applicable to this investigation. In applying the marketing literature to the recruitment context, the concept of brand image is specifically utilised. Additionally, a problem that plagues much of the recruitment research is the heavy reliance on college and university students as a source of research data. The present study responds to this issue by sourcing data from a population of active job seekers submitting applications for advertised job vacancies at a large, Queensland-based higher education institution. A total of three hundred and fifty-one survey responses were obtained. The measures included perceptions of organisational image, attraction, and application intentions. The results indicated that there is support for the assertion that positive image perceptions held by applicants towards an employing organisation will lead to attraction to the organisation and active pursuit behaviour. Within this framework, it is evident that the 'impression management' capability of organisations in the contemporary business environment may hold the key to sustained competitive advantage in the critical search for qualified talent.
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Gränsvakter : tankestilar och sortering vid rekrytering av personal i sex kommuner /Nilsson, Angela, January 2006 (has links)
Diss. Stockholm : Stockholms universitet, 2006.
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Recruitment of bluegill and yellow perch in Nebraska Sandhills lakes : integrating multiple life stages /Jolley, Jeffrey Colin. January 2009 (has links) (PDF)
Thesis (Ph. D.)--Wildlife and Fisheries Sciences Dept., South Dakota State University, 2009. / Includes bibliographical references. Also available via the World Wide Web.
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Factors influencing recruitment of the Dictyotalean brown alga Zonaria farlowii and other sessile marine organisms at Santa Catalina Island, CaliforniaAnderson, Sean Sumner. January 2003 (has links)
Thesis (Ph. D.)--University of California, Los Angeles, 2003. / Vita. Includes bibliographical references.
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Adult Education: Motivation and Recruitment of Working Adults in the Pursuit of Higher EducationBarnett, Deborah R. 01 December 2010 (has links)
Adult learners, particularly working adults pursuing higher education, face barriers which may be different from their traditional counterparts. In addition to issues of time and money which many students find challenging, working adults also balance job responsibilities and may have to juggle family responsibilities. These barriers, combined with the fact that some higher education institutions are still not fully recognizing this growing student population in regards to scheduling and services, leave working adults with limited access to higher education opportunities. This study was conducted in a rural Midwestern area which, like much of the United States, had experienced an economic downturn. Research was conducted using two groups of working adults within a 60-mile radius of Southern Illinois University Carbondale: those who were currently enrolled in a degree seeking program and those who were not currently furthering their education but may have had a desire to do so. The goal was to gain understanding about the demographics of these two groups, the barriers that may hinder their educational goals, and what higher education institutions can do to address those barriers in order to develop the knowledge and skills of working adults educationally with a goal to, in turn, develop the regional economically and educationally.
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Physical Oceanography, Larval Dispersal, and Settlement Across Nearshore FrontsJarvis, Marley 14 January 2015 (has links)
The larvae of coastal species interact with nearshore currents that are complex and can alter dispersal. I investigated two sites in southern Oregon with different nearshore hydrodynamics: the first site, Sunset Bay, is a small cove with a topographic front that extends across the mouth during upwelling-favorable winds. Using holey sock drogues at 1.5 m and 5.5 m depths and surface drifters at 10 cm depth, I found that, when the front was present, water at 1.5 m was retained within the bay whereas water was exchanged across the front at a depth of 5.5 m. Surface drifters indicated a surface convergence. Surface plankton tows on either side and within the frontal convergence (a shore-parallel foam line) found significantly higher concentrations of barnacle cyprids, crab megalopae and zoea, polychaete larvae, platyhelminthes juveniles, isopods, amphipods, harpacticoid copepods, and fish eggs. Crustacean nauplii (barnacle, euphausiid, and copepod) and calanoid copepods were not concentrated in the convergence, and when the front and foam line were absent, no taxa were concentrated. Plankton tows taken within the foam line as it dissipated shoreward during a wind-reversal event found that concentrations of cyprids, megalopae, and gastropod veligers remained high as the foam line moved, suggesting that it acts as a moving convergence propagating competent larvae shoreward.
I measured settlement of two taxa at Sunset Bay and Shore Acres, an open-coast site <2 km away. Barnacle settlement measured every other day from June-September 2013 was significantly cross-correlated with the maximum daily tidal height at lags of -2 days at Sunset Bay and +2 and +4 days at Shore Acres. Settlement was also significantly negatively cross-correlated with wave height at a lag of -4 days at Sunset Bay. Coralline algae settlement measured during eight 48-hr periods in July-August 2013 was significantly negatively correlated with wave height (n = 8, R2 = 0.76, P = 0.0049) at Shore Acres but not at Sunset Bay. Despite the close proximity of the Sunset Bay and Shore Acres sites, settlement patterns differed between taxa, suggesting that differences in nearshore hydrodynamics might affect the supply of water and larvae to shore.
This dissertation includes unpublished co-authored material.
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British medical and health policies in West Africa, c1920-1960Nkwam, Florence Ejogha January 1988 (has links)
This thesis deals with the parts played by the Colonial Office and colonial governments in providing medical and health services in British West Africa. The themes addressed are: the provision of medical and health services; the organization of Colonial medical research; and the recruitment of medical officers. The inter-war period saw the development of a number of medical institutions established in government centres by the various colonial administrations. The provision of health care facilities in the rural areas was the responsibility of local authorities. During world war two, the Colonial Advisory Medical Committee produced for the first time a statement of policy on medicine and health for the Colonial Empire. This emphasised not only the provision of curative facilities but also the provision of preventive health care services. Apart from the provision of medical and health facilities, efforts were also made to stimulate interest in medical research. Medical research in British West Africa before WWII was carried out as part of the routine duties of Colonial Medical Departments. However, the Colonial Medical Research Committee, set up in 1945 by the Colonial Office, was to exert considerable influence on research policy in the region. The committee, which was dominated by the Medical Research Council favoured fundamental research. However, fundamental research was considered not relevant to the immediate needs of colonial peoples. Instead, there was established a medical research organization, with emphasis on applied research and the investigation of the most prevalent diseases in West Africa. Meanwhile, between the wars, the Colonial Office tackled the problem of recruiting medical officers by creating the post of Chief Medical Adviser and by the amalgamation of the colonial medical services (CMS). Upto the outbreak of the war, however, the Office was still unable to meet the personnel requirements for the CMS. This problem was further aggravated with the creation in 1940, of the National Health Service. The end of WWII also saw an increase in international cooperation. United Nations specialised agencies such as the World Health Organization began to take an active interest in the health problems of African peoples.
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Hur idrottens värderingar införlivas i rekryteringsprocessen : En fallstudie om hur Performiq inkorporerar idrott i sin rekryteringsprocessGelinder, Cecilia, Velander, Elsa January 2018 (has links)
The aim of this study is to investigate how athleticism can be incorporated as selection criteria within the recruitment process. It is a descriptive case study, whereas Performiq is the company chosen to study. The reason is due to the fact that Performiq attached great importance to athleticism. The study has been built up through semi structured interviews and a content analysis of Performiq’s interview guide and work ads. It is based on the theories of Kahlke & Schmidt’s assessment circle. The results showed that Performiq sees athleticism as a merit and not a requirement and explains how the company incorporates athleticism in their recruitment process. The company does believe that individuals get useful features from their sports that can be of use in future work.
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