Verghese, C P; Dr.Shahul,Hameed M(Cochin University of Science and Technology, May , 1994)
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Abstract:
The present scenario of industrial fishing in India is that most of large trawlers are based at Visakhapatnam and congregate in the potential shrimp ground in the
upper East coast of India commonly known as the Sandheads. These are outriggcr vessels operating two or four trawl nets along with a testing trawl called try
net. In the early Seventies these vessels were operating on a very high economic return which was evident from the steady increase in number of outriggers over a period of twenty years. Since the total allowable catch has to be
shared by all vessels including the increasing fleet, reduction per vessel output is bound to happen. Therefore some of them could not survive the competition
and withdrew from the scene. The number of outriggers did not increase subsequently. However, there arose a doubt whether the existing fleet of about 180 vessels are fishing economically or whether there is any scope for further introduction of industrial vessels in the region. This study is focussing to the techno economic aspects of industrial fishing in the upper East coast of India
Description:
Department of Industrial Fisheries,
Cochin University of Science and Technology,
Jyothibabu, R; Dr. Nair, K K C(National Institute of Oceanography, July , 2004)
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Abstract:
In the present study an attempt has been made to understand the microzooplankton community along the easr coast of India. Most of the earlier studies projected Bay of Bengal as an oligotrophic system where phytoplankton growth is limited by a number of factors among which nutrients are the foremost. Hence it is logical to consider that the most of the primary production in the Bay of Bengal could be contributed by small sized phytoplankton harnessing the available resources, which in turn can be utilized effiency by the microzooplankton only. Hence microzooplankton could play in transferring primary organic carbon to higher tropic levels in this region.
Syed, Ismail Koya M S; Dr.Mohandas, A(Cochin University of Science And Technology, December , 1987)
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The great number of parasitic species of marine
and brackishwater animals that have been described indicates
that parasites play an important part in the ecology
of the oceans and brackishwaters. Jnspite of their
importance, marine and brackish parasites are
probably the least known group of organisms. Considering
the large number of marine and brackishwater hosts, especially in the tropics, it is no exaggeration to say
that the description of marine and brackishwater parasites
has hardly begun (Rohde, 1982). With this view in mind,
an attempt has been made to study the ecobiology of the
helminth parasites of finfishes and shellfishes of eochin
waters with special reference to digenetic trematodes.
The work is broadly divided into three chapters,
Chapter 1 consists of a description of the study area,
prevalence of infection and concurrent infections with
helminth parasites, seasonal variation, host specificity>
and zoogeography of digenetic trematodes; Chapter II
deals with the systematics of digenetic trematodes; and
Chapter III deals with studies on larval trematodes from
molluscs and crustacea, adult from a molluscan host,
life-cycle, biology and histopathology
Description:
School of Marine Sciences, Cochin University of Science and Technology
Nowadays there is a growing environmental concern
and the business communities have slowly started recognising
environmental protection and sustainable utilization of natural
resources into their marketing strategies. This paper discusses the
various Ecolabeling and Certification Systems developed world
over to regulate and introduce Fair Trade in Ornamental Fish
Industry. Ecolabeling and green certification are considered as part
of these strategies implemented partly out of compulsion from the
National and International Regulatory Bodies and Environmental
Movements. All the major markets of ornamental fishes like
European Union, USA and Japan have started putting restrictions on
the trade to impose ecolabeling as a non tariff barrier like the one
imposed on seafood and aqua cultured products. A review was done
on the available Ecolabeling and Green Certification Schemes
available at local, national and international levels for fisheries
including aquaculture and ornamental fish trade and to examine the
success and constraints faced by these schemes during its
implementation. The primary downside of certification is the
multiplicity of ecolabels and cost incurred by applicants for
certification, costs which may in turn be passed on to consumers.
The studies reveal serious inadequacies in a number of ecolabels
and cast doubt on their overall contribution to effective fisheries
management and sustainability. The paper also discusses the
inititive taken in India to develop guidelines for Green Certification
of Fresh water ornamental fishes.
Description:
World Academy of Science, Engineering and Technology
Vol:4 2010-05-22
Sincy,Joseph; Saramma, A V(Department of Marine Biology, Microbiology and biochemistry, September , 2005)
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The main objectives of the present investigation were to evaluate the qualitative and quantitative distribution of natural cyanobacterial population and their ecobiological properties along the Cochin estuary and their application in aquaculture systems as a nutritional supplement due to their nutrient-rich biochemical composition and antioxidant potential. This thesis presents a detailed account of the distribution of cyanobacteria in Cochin estuary, an assessment of physico-chemical parameters and the nutrients of the study site, an evaluation of the effect of physico-chemical parameters on cyanobacterial distribution and abundance, isolation, identification and culturing of cyanobacteria, the biochemical composition an productivity of cyanobacteria, and an evaluation of the potential of the selected cyanobacteria as antioxidants against ethanol induced lipid peroxidation. The pH, salinity and nutritional requirements were optimized for low-cost production of the selected cyanobacterial strains. The present study provides an insight into the distribution, abundance, diversity and ecology of cyanobacteria of Cochin estuary. From the results, it is evident that the ecological conditions of Cochin estuary support a rich cyanobacterial growth.
Sheeba, Susan Mathews; Dr.Gopinatha Menon, N(Cochin University of Science and Technology, January , 1992)
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Abstract:
Prawn culture by traditional method forms an important occupation for the people in these areas, especially in the Vypeen island. Though short term studies have been made on various aspects of prawn culture field and its ecology, a study of detailed nature covering perennial, seasonal, fields and canals between coconut plantation is lacking from these areas. This study will also enable to assess the relative productivity of different systems during different seasons and the influence of the environment on the production potentials. Therefore the present study is taken upto throw more light on the ecological characteristics of these fields with special emphasis on its primary, secondary and tertiary production. The present area of investigation includes the prawn culture fields adjacent to Cochin backwater. The Cochin backwater (O9° 58'N 76° 28'E) is a shallow semi-enclosed body of water of tropical estuary. A narrow gut, about 450 M wide forms its main connection with the Arabian sea and this region is subjected to regular tidal influenceertiary production.
In the past, natural resources were plentiful and people were scarce. But the situation is rapidly reversing. According to the Living Planet Report 2006, during the last thirty years, consumption of natural resources has increased 40%, while Earth’s natural wealth in biodiversity has decreased 30%. Our challenge is to find a way to balance human consumption and nature’s limited productivity in order to ensure that our communities are sustainable locally, regionally and globally. Ecological Footprint Analysis (EFA) is physical accounting method, developed by William Rees and M. Wackernagel (1992), focusing on land appropriation using land as its “currency”. It provides a means for measuring and communicating human induced environmental impacts upon the planet. In this paper, an attempt is made to explore the tool Ecological Footprint Analysis. The paper also analyses the methods for calculating ecological footprint, scope of the tool as an impact assessment tool for India and measure for reducing the ecological footprint
Description:
American Journal of Engineering Research (AJER),Volume-1 pp-12-19
Kochi, the commercial capital of Kerala and the
second most important city next to Mumbai on the Western
coast of India, is a land having a wide variety of residential
environments. The present pattern of the city can be classified
as that of haphazard growth with typical problems
characteristics of unplanned urban development. This trend
can be ascribed to rapid population growth, our changing
lifestyles, food habits, and change in living standards,
institutional weaknesses, improper choice of technology and
public apathy. Ecological footprint analysis (EFA) is a
quantitative tool that represents the ecological load imposed
on the earth by humans in spatial terms. This paper analyses
the scope of EFA as a sustainable environmental management
tool for Kochi City
Description:
ACEEE Int. J. on Transportation and Urban Development, Vol. 01, No. 01, Apr 2011
Magesh, G; Dr. Menon, A R R(Cochin University of Science And Technology, February 12, 2014)
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Abstract:
mbikulam Tiger Reserve of Western Ghats using Geospatial technology. The major objectives of the study are Land use land cover mapping (LULC) and Phytodiversity analysis. Satellite data was used to map the land use / land cover using supervised classification techniques in Erdas imagine. The change for a period of 32 years was assessed using the multi-temporal satellite datasets from Landsat MSS (1973), Landsat TM (1990), and IRS P6 LISS III (2005). A geospatial approach was used for the land cover analysis. Digital elevation models, Satellite imageries and SOI topo sheets were the data sets used in the analysis. Vegetation sampling plots distributed over the different forest types were enumerated and studied for Phytodiversity analysis.
Description:
Dept. of GIS & Remote Sensing.
Forest Management and Information System Division,Kerala Forest Research Institute
Ammini, Joseph; Valsamma, Joseph(Kluwer Academic Publishers, January 17, 2002)
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The microalgal community as primary producers has to play a significant role in the biotic
and abitoic interactions of any aquatic ecosystem. Whenever a community is exposed to a pollutant,
responses can occur because individuals acclimate to pollutant caused changes and selection can
occur favouring resistant genotypes within a population and selection among species can result in
changes in community structure. The microalgal community of industrial effluent treatment systems
are continuously exposed to pollutants and there is little data available on the structure and seasonal
variation of microalgal community of industrial effluent holding ponds, especially of a complex
effluent like that of refinery. The aim of the present study was to investigate the annual variation in
the ecology, biomass, productivity and community structure of the algal community of a refinery
effluent holding pond. The results of the study showed the pond to be a eutrophic system with a
resistant microalgal community with distinct seasonal variation in species composition
Description:
Environmental Monitoring and Assessment 80: 175–185, 2002
Kusum, Komal Karati; Dr. Raveendran, T V(Cochin University of Science and Technology, June 20, 2012)
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This thesis entitled ecology of chaetognaths in the indian EEZ.The present study, in general, deals with the distribution pattern of mesozooplankton biomass and abundance with special reference to the detailed ecology of the important carnivorous planktonic group, the chaetognath, in the two major ocean basins of the Indian EEZ, the Arabian Sea (AS) and the Bay of Bengal (BoB). Prior to the International Indian Ocean expedition (IIOE, 1960 – 1965), cmprehensive studies on chaetognath in the Indian waters were very limited and was confined mostly to some coastal and oceanic regions.
The study revealed a profound influence of different physical process on the abundance of chaetognath community. The significant influence exerted by different physico-chemical factors on the vertical distribution of chaetognath species was also evident.
Prior to this study, only very little information was available on the ecology and distribution pattern chaetognaths in both the Arabian sea and the Bay of Bengal in relation to various mesoscale processes and physicochemical .variables. This study, emphasizing the short term and long term influences of different meso-scale and basin scale physical events on the ecology of this important plankton group provides the baseline data for extensive ecological research on any major mesozooplankton group in this tropical low latitude region.
Econometrics is a young science. It developed during the twentieth century in the mid-1930’s, primarily after the World War II. Econometrics is the unification of statistical analysis, economic theory and mathematics. The history of econometrics can be traced to the use of statistical and mathematics analysis in economics. The most prominent contributions during the initial period can be seen in the works of Tinbergen and Frisch, and also that of Haavelmo in the 1940's through the mid 1950's. Right from the rudimentary application of statistics to economic data, like the use of laws of error through the development of least squares by Legendre, Laplace, and Gauss, the discipline of econometrics has later on witnessed the applied works done by Edge worth and Mitchell. A very significant mile stone in its evolution has been the work of Tinbergen, Frisch, and Haavelmo in their development of multiple regression and correlation analysis. They used these techniques to test different economic theories using time series data. In spite of the fact that some predictions based on econometric methodology might have gone wrong, the sound scientific nature of the discipline cannot be ignored by anyone. This is reflected in the economic rationale underlying any econometric model, statistical and mathematical reasoning for the various inferences drawn etc. The relevance of econometrics as an academic discipline assumes high significance in the above context. Because of the inter-disciplinary nature of econometrics (which is a unification of Economics, Statistics and Mathematics), the subject can be taught at all these broad areas, not-withstanding the fact that most often Economics students alone are offered this subject as those of other disciplines might not have adequate Economics background to understand the subject. In fact, even for technical courses (like Engineering), business management courses (like MBA), professional accountancy courses etc. econometrics is quite relevant. More relevant is the case of research students of various social sciences, commerce and management.
In the ongoing scenario of globalization and economic deregulation, there is the need to give added thrust to the academic discipline of econometrics in higher education, across various social science streams, commerce, management, professional accountancy etc. Accordingly, the analytical ability of the students can be sharpened and their ability to look into the socio-economic problems with a mathematical approach can be improved, and enabling them to derive scientific inferences and solutions to such problems. The utmost significance of hands-own practical training on the use of computer-based econometric packages, especially at the post-graduate and research levels need to be pointed out here. Mere learning of the econometric methodology or the underlying theories alone would not have much practical utility for the students in their future career, whether in academics, industry, or in practice This paper seeks to trace the historical development of econometrics and study the current status of econometrics as an academic discipline in higher education. Besides, the paper looks into the problems faced by the teachers in teaching econometrics, and those of students in learning the subject including effective application of the methodology in real life situations. Accordingly, the paper offers some meaningful suggestions for effective teaching of econometrics in higher education