Development Of Inland Fisheries Research Articles

Bauran Pemasaran Pada Usaha Rekreasi Pemancingan Nagaya Desa Kotapulu

The purpose of serving in the village with the mission of building a rural economy through the potential in the village is the fisheries sector, as well as to broaden business actors' insight into the application of the marketing mix. The potential in Kotapulu Village is in the fisheries sector. Nagaya fishing is one of the businesses as a means of community recreation. The development of inland fisheries in Central Sulawesi Province has quite large potential for freshwater and brackish water fisheries resources, which if managed optimally can provide a sizeable contribution to the region. Technical data collection is carried out through counseling, interviews and documentation that can answer existing problems. , and so on the data were analyzed descriptively qualitatively. From the results of this study, the Marketing Mix) or 7 P which consists of: Product, Price, Place, Promotion, Process, Physical Environment used in the Nagaya fishing recreational business is in accordance with the existing procedures, while for application in the field there are several obstacles that arise in terms of Promotion, so that the Marketing Mix is not going well.

Priorities for the sustainable development of inland capture fishery

Fishing in inland waters significantly differs in terms of production, seasonality, scale, methods of production and organization of fishing, equipment and technologies. In addition, fishing in inland waters is characterized by insignificant volumes of catch of aquatic bioresources and other socio-economic significance. As a rule, this type of activity is occupied by small organizations that use seasonal labor with temporary employment, which, at the same time, are of significant socio-economic importance for the local population. The article presents the characteristics of the situation in the field of industrial fishing in the Sakha Republic (Yakutia) and the main problematic trends of the industry. The purpose of the article is to show the main obstacles to the sustainable development of inland fisheries in the Sakha Republic (Yakutia) in fresh waters. As a result of the study, measures are proposed to solve the problems. The management should be focused on the rationalization of fishing to increase profits per unit of production assets used, as well as on attracting highly qualified specialists to fishing, that is, increasing the investment attractiveness of this industry. With this approach, inland fisheries can contribute substantially to increased food security, poverty alleviation, livelihoods, human well-being and ecosystem function.

Fisheries enhancements in inland waters in Sri Lanka with special reference to culture based fisheries: current status and impacts

Sri Lanka is endowed with more than 12,000 reservoirs. Depending on their hydrological regimes, they are broadly categorized into perennial and seasonal reservoirs and are secondarily used for the development of inland fisheries. This paper discusses the importance and status of culture-based fisheries (CBF) in reservoirs of Sri Lanka and assess the impacts of introduction of CBF. The CBF in seasonal reservoirs was initiated in the 1980s and it is well documented. There are around 200,000 ha of perennial reservoirs in Sri Lanka and CBF in perennial reservoirs is a recent development. Introduction of CBF into perennial reservoirs has resulted in significant increases in fish production, increased availability of fresh fish to rural communities, enhanced livelihood opportunities and income for fishers and strengthening the rural economy. Progress achieved so far in respect of seasonal reservoirs has not reached the envisaged levels.Nile tilapia, catla, rohu and mrigal are the main contributory species for fish production through CBF in perennial reservoirs. Although the contribution to fish catches is low, stocking of freshwater prawn (Macrobrachium rosenbergii) is financially feasible. Adequate stocking with suitable species, the existence of active Community Based Organizations (CBOs) and their involvement in planning and implementation of CBF, and the existence of a legal framework which facilitate implementation of activities pertaining to CBF are the key factors for successful implementation and sustainability of CBF in perennial reservoirs.

CREATIVE ENVIRONMENTAL ENERGY TECHNOLOGY ASSESSMENT HYDROELECTRIC POWER PLANT (CASE STUDY OF WONOGIRI RESERVOIR)

<span>Hydroelectric power plants in Indonesia are widely developed. This is because the water supply in Indonesia is quite abundant. Several large reservoirs in Indonesia, in addition to being used for water reservoirs, are used to produce electricity. Wonogiri is a region that is located in Central Java province, where most of the region is arid land that cannot be planted in the dry season. In the rainy season the abundance of water plants to die and the soil is such that in the dry season crops do not grow well. Plans for the construction of Gajah Mungkur started in 1964, and it is designed to be a multipurpose dam project that aim to control floods, supply water for irrigation and hydropower in the Solo River valley. The master development plan was formulated in 1972-1974 with the help of Overseas Technical Cooperation of Japan. The results of this study include the completion of flooding problems along the Solo River, the increase in agricultural output in Winton community with irrigation facilities and good infrastructure, availability of electricity for communities around the dam and improving the local economy as the development of inland fisheries and tourism sectors.</span>

Status and prospects of fish and fish product marketing in Karnataka.

The structure and performance of fish and fish products marketing in Karnataka was analysed through a combination of primary and secondary collection of information. Data were obtained from annual reports of fisheries department. Karnataka is one of the most important States contributing 4.75% of India's total fish production. The contribution of Fisheries Sector to GSDP at current prices during 1993-94 was Rs. 16,316 lakhs and it has increased to Rs. 286273 lakhs in 2012-13. The policy suggestions for further development of fisheries sector are: Strengthening of fish marketing by developing strong marketing networks through Fisheries Corporation's cold chain; Development of Inland Fisheries by proper incentives to farmers for taking up fish rearing and to strengthen fisheries research and education; Creation of Reservoir Development Authority for better management of the reservoirs; Fish seed rearing may be encouraged by involving private entrepreneurs to use public water body; Use of ICT for Inter connection and co-ordination of fish farms; Promote Ornamental fish production and marketing, and bring comprehensive policy for protecting water resource bodies and their flora and fauna. Key words: Fisheries, policy, inland fisheries, fish products, fish marketing

Operation Planning Reservoir with Linear Programming Optimization Model for Water Demand of the Community In Aceh Besar District

On the condition before building a dam, Aceh Besar district often a shortage of water for the needs of the community, so that people difficulty in doing their activities. There is a river in the Aceh Besar district named “Keuliling River”. The river is one of the watershed sub-basins of Krueng Aceh which has large enough potential of water to increase the supply of raw water in order to meet the water needs of the Banda Aceh City and Aceh Besar district.Therefore, a reservoir building was built that able to acomodate a large capacity of water. The resorvoir was named “Keuliling Reservoir”. “Reservoir Keuliling” has 38.20 km2 watershed areas, 259.94 hectares wide puddle on Normal Water Front (MAN), a total of 18,359,078 m3 bin normal water level at an elevation of 45.80 m and has an effective pitcher of 12.99,208 m3. The reservoir also serves as a provider of raw water for the development of inland fisheries, livestock, rice fields and others. The greatest needs are to be served by the reservoir is water requirement for paddy planting season Rendeng in October to December and the gadu growing season from April to June. To meet all these requirements then performed the planning operation of reservoir. Ie, by optimizing the volume of water storage at the end of the month through the optimization of the use of inflow data and outflow data. The optimization performed with optimization models Linear Programming. The results of the optimization is the volume of water in reservoirs that have large water needs, which in October is 13,380,986 m3, in November is 76,640,036 m3 and in December is 38,104,116 m3. Where in each month of the above conditions are still effective volume reservoirs at 12,992,080 m3. The results showed that from month to month never happened reservoir conditions at the level of the dead reservoirs, this illustrates that Keuliling reservoir can meet the water needs of the community.

Administrative, legal, natural, and socioeconomic factors that impede the functioning and development of inland fisheries in Poland

Abstract The results of a questionnaire survey of the managers of fisheries enterprises entitled to operate in fisheries zones are presented. The aim of the study was to determine the degree to which selected factors have a negative impact on the functioning and development of fisheries. The impediment posed by the different factors was determined with a rating scale. The factors that posed impediments were ranked, from greatest to smallest, as follows: cormorant predation on ichthyofauna; commercial and recreational fisheries poaching; national and local administrations (e.g., flawed laws, bureaucracy, incompetence, etc.); unenforced regulations and laws or the lack of them; excessive leasing fees; water eutrophication and pollution; development of recreation linked with the aquatic environment; eco-terrorism, other fees payable to the state in addition to leasing fees; difficulties with selling fish; recreational fisheries pressure.

An institutional approach for developing South African inland freshwater fisheries for improved food security and rural livelihoods

South Africa has over 4 700 storage dams, about 700 of which are owned and controlled by Government. Public dams were primarily constructed for domestic, irrigation and industrial water supply. Over time secondary uses for recreation and tourism have been established. Many of the public dams have been stocked with indigenous and alien fish species, predominantly for recreational angling. Given widespread rural unemployment, poverty and undernourishment, the development of inland fisheries on public dams and natural water bodies has much potential for improving rural livelihoods and food security. There is also potential for inclusion of communities in other value chains linked to economic activities around public dams such as recreational fishing and tourism. The public dams and natural water bodies fall under various implicit institutional arrangements depending on primary and secondary activities on a given water body. These determine the existing formal and informal power dynamics and related decision-making arrangements and controls under current use-right practices. This paper analyses the existing property rights that determine access, co-management options and governance arrangements necessary to promote sustainable development of inland fisheries in South Africa. Attention needs to be given to the various ways of explicit definition and enforcement of property and access rights if communities are to realise the potential benefits from use of public dams for fisheries and other economic activities. Achieving this will require a developmental approach based on principles of inclusive, representative, equitable, accountable and effective governance. Leadership by the line agency – Department of Agriculture, Forestry and Fisheries – will be critical for success of such an initiative.

Fish Species Diversity of Nagaram Tank of Warangal, Andhra Pradesh

The fish production plays a significant role in the human economy. India has vast potential for development of inland fisheries. In the present study an attempt has been made to evaluate the physico-chemical characteristic features and fish fauna diversity of Nagaram tank, located at sub urban of Warangal. It proposed to enhancement of fish production in a sub urban perennial water body in Warangal district of Andhra Pradesh. The study was conducted during June 2007 to May 2010. The study revealed that different regions of the tank receive variable precipitation and hence meteorological factors governing the physico-chemical properties of the tank which in turn influence planktonic diversity and so that all the physico-chemical and biological factors have direct influence on the fish production. From the present study, it observed that all the physico-chemical parameters are at nearly permissible limit at all the 4 identified stations. It is estimated that the fish fauna of Nagaram tank consists of 30 species belonging to 13 families. Among the collections 13 species of Cypriniformes, order Siluriformes consists of 7 species, Channiformes consists of 03 species, Perciformes 05 species, Osteoglossiformes 01 and order Atheriniformes consists of one species. Therefore, it is suggested that the immediate measures may be taken to avoid further contamination of this tank which has been started contaminated due to anthropological activities. Finally it may be concluded that the Nagaram tank is rich in fish diversity and is still in a position to set a good example of conservation of native fish fauna by the sustainable management practices.

The use of water resources for inland fisheries in South Africa

The contribution of inland fisheries to food security, livelihood provision, poverty alleviation, and economic development in developing African countries is well documented, but there is surprisingly little literature on the history, current status and potential of South Africa’s inland fishery resources. This presents a constraint to the management and sustainable development of inland fisheries. A literature review of peer-reviewed and grey literature was thus undertaken which is presented as a synthesis of knowledge on inland fisheries in South Africa. We track the chronology of literary themes on inland fisheries from the colonial era to the present, provide an overview of the recreational, subsistence and commercial sub-sectors, the production potential of inland waters, interventions to promote fishery development, and attempts to value inland fisheries. The review summarises the current state of knowledge on fisheries resources, outlines potential sources of data, highlights relevant and important information, and identifies knowledge gaps. The literature survey reveals an urgent need for research covering the biological, social, economic and governance aspects, if inland fisheries are to be developed in a rational and sustainable manner which promotes South Africa’s national policy goals.

Impact of stress and disturbance factors on the phytoplankton communities in Northeastern Brazil reservoir

The ecology of phytoplankton reservoir communities plays a pivotal role in their management and in the development of inland fisheries in the water scarce semi-arid regions of Rio Grande do Norte State, Brazil. The hydrological conditions characterizing these reservoirs include infrequent rainfall and high evaporative loses. The phytoplankton assemblages in tropical climate are structured primarily on dry and wet cycles, not the annual temperature and light regime. The purpose of the current study was to investigate the ecological aspects of phytoplankton communities from three reservoirs during the period of July 2003–June 2004, which include atypical summer rainfall and reservoir overflow. The environmental data broadly divided into two categories, stress factors and disturbance factors. The stress factors deals with the impact of high particulate organic matter and low dissolved oxygen concentrations and disturbance factors, linked to water level fluctuation through flushing and reservoir drawdown, and these events are associated with the phytoplankton assemblages. Results indicated that the three distinct hydroperiods determined the structure of phytoplankton and chlorophyll levels and limited the presence and relative abundance of cyanobacterial species. Phytoplankton succession accompanied changes in clear and turbid water phase represented by the alternate dominance between diatoms and chlorophytes. Inundation and complete filling of reservoir stimulated “s” and “r” strategists species (<20 um) of unicellular and some colonial members of chlorophytes and cryptomonads in highly turbid water environment, and “c” strategist species in rest of the wet period following disturbance gradients. Statistical analysis elicited a significant relationship between particulate organic matter and relative abundance of smaller chlorophytes, which was deemed as stress factor. The flushing and reservoir drawdown indicate disturbance gradient and as a consequence high diversity. Furthermore, a substantial reduction in chlorophyll levels was registered in turbid water phase is related to the reduction of light penetration and re-suspension of sediments. Considering these results, it can be suggested that the well-managed reservoir drawdown can possibly maintain an environment free of eutrophication and cyanobacterial dominance.

Reconciling traditional inland fisheries management and sustainability in industrialized countries, with emphasis on Europe

AbstractIn northern industrialized countries, the inland fisheries sector has long been dominated by recreational fisheries, which normally exploit fish for leisure or subsistence and provide many (poorly investigated) benefits to society. Various factors constrain the development and existence of inland fisheries, such as local user conflicts, low social priority and inadequate research and funding. In many cases, however, degradation of the environment and loss of aquatic habitat are the predominant concerns for the sustainability of inland fisheries. The need for concerted effort to prevent and reduce environmental degradation, as well as conservation of freshwater fish and fisheries as renewable common pool resources or entities in their own right is the greatest challenge facing sustainable development of inland waters. In inland fisheries management, the declining quality of the aquatic environment coupled with long‐term inadequate and often inappropriate fisheries management has led to an emphasis on enhancement practices, such as stocking, to mitigate anthropogenic stress. However, this is not always the most appropriate management approach. Therefore, there is an urgent need to alter many traditional inland fisheries management practices and systems to focus on sustainable development.This paper reviews the literature regarding the inputs needed for sustainability of inland fisheries in industrialized countries. To understand better the problems facing sustainable inland fisheries management, the inland fisheries environment, its benefits, negative impacts and constraints, as well as historical management, paradigms, trends and current practices are described. Major philosophical shifts, challenges and promising integrated management approaches are envisaged in a holistic framework. The following are considered key elements for sustainable development of inland fisheries: communication, information dissemination, education, institutional restructuring, marketing outreach, management plans, decision analysis, socioeconomic evaluation and research into the human dimension, in addition to traditional biological and ecological sciences. If these inputs are integrated with traditional fisheries management practices, the prospects for sustainability in the inland fisheries will be enhanced.

Yield predictive models for Sri Lankan reservoir fisheries

Tropical reservoirs are primarily constructed for irrigation, generation of hydroelectricity and water supply schemes. Development of inland fisheries is a secondary use of most reservoirs. In Sri Lanka, most reservoirs are scattered in the rural areas of the country so that investigation of the fisheries of individual reservoirs with a view to developing management plans is prohibitive. The present study was instigated to explore the possibilities of developing suitable yield predictive models, which can be used in developing management strategies for the Sri Lankan reservoirs. The study was carried out in 11 perennial reservoirs of Sri Lanka. Basic limnological parameters (conductivity, dissolved phosphorus, total phosphorus, chlorophyll a [chl a] content and alkalinity) were determined in each of these reservoirs. Daily data on fish catch and fishing effort were collected in each reservoir. Data on catchment areas (CA), reservoir area (RA) and reservoir capacity (RC) were obtained from the irrigation and survey departments. It is evident that chl a is positively influenced by nutrients (dissolved phosphorus and total phosphorus), morphoedaphic indices derived as alkalinity to mean depth (MEIa) and conductivity to mean depth (MEIc) ratios and CA/RC ratios. MEIa and MEIc are also positively influenced by CA/RC ratios. All these morphological and edaphic parameters were found to positively influence fish yield in reservoirs. As fishing intensity (FI) is also a major determinant of fish yields, fish yield was better accounted by multiple regression models in which FI and individual morphological and edaphic parameters were used as independent variables. Of these multiple regression relationships, the best predictive power for fish yield (Y in kg ha−1 yr−1) was found by Y=18.9+6.78 FI+0.0073 CA/RC where FI is expressed as boat-days ha−1 yr−1 and CA and RC are in km2 and km3, respectively. In this relationship, FI and CA/RC account for about 68% of the variation in fish yield.

Survey methodology for fish population assessment within Anglian water

Basic data required for the maintenance, improvement and development of inland fisheries within the Anglian Water Authority area are derived from surveys carried out since 1977. All open river systems are sampled on a 3‐year cycle and basic data are obtained on species composition, density and biomass as well as year‐class structure and growth rates of dominant species.The netting and electrofishing gear and techniques used to obtain quantitative and semi‐quantitative samples from rivers, drainage channels and the Norfolk Broads are described and their advantages and disadvantages discussed. The mark and recapture and multiple removal techniques employed with these methods are described and an assessment given of sampling efficiency in different situations.