共查询到20条相似文献，搜索用时 156 毫秒
1.
2.
3.
4.
关注水产养殖病害防治、渔药管理与水产品质量安全 总被引：2，自引：0，他引：2
目前，食品安全问题已成为除人口、资源、环境之外的全球性第四大危机，受到全世界的广泛关注。我国是水产养殖大国，也是水产品出口大国，我国水产品的质量作为入世后面临的新领域和新课题，同样受到国内及国际社会的广泛关注。随着水产养殖业的不断发展和集约化程度的提高，水产养殖环境不断恶化，水产养殖病害逐渐增多。养殖过程中使用了较多的药物，药物残留问题、水产品用药安全问题及水产品质量安全问题引起相关部门的极大关注。农业部渔业局和全国水产技术推广总站组织各地水产技术推广部门在全国范围开展“指导水产养殖用药宣传周”活动。为了配合这次宣传活动，本刊记者对推广系统的高层领导、高等院校的教授、科研院所专家及渔药企业的知名人士进行了访问，从水产养殖病害防治、渔药管理如何保证水产品质量安全方面各抒己见。 相似文献
5.
6.
为了减少水产养殖发展对水产生态环境的影响，并结合上海市青浦区水产养殖绿色发展产业升级实际，从水产养殖尾水治理项目建设的背景、方案、实施、结果、经验及问题等六个方面介绍了青浦区水产养殖尾水治理建设工作。 相似文献
7.
8.
台州市是浙江省水产养殖大市，2004年全市水产养殖面积5．25万公顷．产量43．38万吨．其中海水养殖面积3．87万公顷，产量39．42万吨。随着渔业结构战略性调整的深入，水产养殖在产业结构和品种结构等方面也发生了深刻的变化，由传统的池塘养鱼向基地化、工厂化、集约式、多元化及立体化等方式发展。水产养殖业高速发展的同时，养殖病害频繁发生，经济损失严重，已成为水产养殖业发展的重要制约因素之一。现就台州市水产养殖病害防治现状、存在问题及对策谈一些个人的看法。 相似文献
9.
有机水产养殖面临的问题与讨论 总被引：1，自引：0，他引：1
随着现代水产养殖的快速发展,集约化水产养殖造成水环境的富营养化,从而对生态环境的破坏日显突出。养殖过程中使用的化学品和药剂也带来了食品安全的风险问题。有机水产养殖是一种在生 相似文献
10.
11.
The role of inland fisheries in livelihoods, food security and sustainable development is often overshadowed by the higher profile interest in ocean issues. Whilst inland fisheries' catch and contribution to global nutrition, food security and the economy, are less than that of marine fisheries, global‐level comparisons of fish production obscure considerable livelihood impacts in certain countries and sub‐national areas. To highlight these contributions, this paper synthesizes recent data and innovative approaches for assessing such livelihood contributions and their importance in countries with limited access to ocean resources and aquaculture. Inland fisheries are crucial for many socially, economically and nutritionally vulnerable groups of people around the world, but the challenges in monitoring inland fisheries preclude a complete understanding of the magnitude of their contributions. This situation is rapidly improving with increasing recognition of inland fisheries in development discourses, which has also encouraged research to enhance knowledge on the importance of inland fisheries. We review this work, including collated information published in a recent Food and Agriculture Organization report, to provide an up to date characterization of the state of knowledge on the role of inland fisheries. 相似文献
12.
Inland fisheries play important roles in food and economic security in the riparian countries surrounding the Great Lakes of Africa. However, the lakes are being systematically degraded by anthropogenic pressures, in combination with the huge population growth prevalent in the region. This paper summarises the outcomes of an international conference to develop a ‘Strategy for Conservation and Sustainable Development of the African Great Lakes Region in a Changing Climate’, held in Uganda in 2017, with particular attention on the potential for fisheries and aquaculture. The paper highlights options for addressing the problems facing the aquatic resources and specifically the importance of effective management of the fisheries and ecosystems of the Great Lakes to achieving the UN Sustainable Development Goals to ensure food and nutritional security and sustainable livelihoods. There is need to improve fisheries assessment and determine the value of the fisheries (and aquaculture). Fisheries legislation, regulation and enforcement need revision and co‐management mechanisms require rethinking. There is considerable potential for aquaculture, and especially cage culture, to increase fish production, but there is an urgent need to address technical, social, environmental and input requirements. It is also imperative that best practices guidelines are developed that will support cage culture production practices. 相似文献
13.
Aquatic food security: insights into challenges and solutions from an analysis of interactions between fisheries,aquaculture, food safety,human health,fish and human welfare,economy and environment 
下载免费PDF全文
下载免费PDF全文 Simon Jennings Grant D Stentiford Ana M Leocadio Keith R Jeffery Julian D Metcalfe Ioanna Katsiadaki Neil A Auchterlonie Stephen C Mangi John K Pinnegar Tim Ellis Edmund J Peeler Tiziana Luisetti Craig Baker‐Austin Mary Brown Thomas L Catchpole Fiona J Clyne Stephen R Dye Nathan J Edmonds Kieran Hyder Janette Lee David N Lees Owen C Morgan Carl M O'Brien Birgit Oidtmann Paulette E Posen Ana Ribeiro Santos Nick G H Taylor Andrew D Turner Bryony L Townhill David W Verner‐Jeffreys 《Fish and Fisheries》2016,17(4):893-938
Fisheries and aquaculture production, imports, exports and equitability of distribution determine the supply of aquatic food to people. Aquatic food security is achieved when a food supply is sufficient, safe, sustainable, shockproof and sound: sufficient, to meet needs and preferences of people; safe, to provide nutritional benefit while posing minimal health risks; sustainable, to provide food now and for future generations; shock‐proof, to provide resilience to shocks in production systems and supply chains; and sound, to meet legal and ethical standards for welfare of animals, people and environment. Here, we present an integrated assessment of these elements of the aquatic food system in the United Kingdom, a system linked to dynamic global networks of producers, processors and markets. Our assessment addresses sufficiency of supply from aquaculture, fisheries and trade; safety of supply given biological, chemical and radiation hazards; social, economic and environmental sustainability of production systems and supply chains; system resilience to social, economic and environmental shocks; welfare of fish, people and environment; and the authenticity of food. Conventionally, these aspects of the food system are not assessed collectively, so information supporting our assessment is widely dispersed. Our assessment reveals trade‐offs and challenges in the food system that are easily overlooked in sectoral analyses of fisheries, aquaculture, health, medicine, human and fish welfare, safety and environment. We highlight potential benefits of an integrated, systematic and ongoing process to assess security of the aquatic food system and to predict impacts of social, economic and environmental change on food supply and demand. 相似文献
14.
Dyhia Belhabib William W. L. Cheung David Kroodsma Vicky W. Y. Lam Philip J. Underwood John Virdin 《Fish and Fisheries》2020,21(2):379-392
Small‐scale fisheries contribute substantially to the sustainability of coastal communities by providing livelihood and economic opportunities and ensuring food security. However, their geographic range of operation overlaps with that of industrial fisheries, increasing the resource competition, risk of vessel collision and inter‐sector conflicts, while jeopardizing the sustainability of fish stocks. When industrial vessels venture into waters that are reserved to artisanal fisheries, their operations become illegal. In Africa, the extent of such operations, beyond their legal implications, has resulted in severe economic, food security and maritime safety issues. In this paper, we use automatic identification system data derived from satellite technology to predict fishing operations and find that industrial fleets spend 3%–6% of their time fishing within inshore areas reserved for small‐scale fisheries between 2012 and 2016, of the total 4.2 million industrial fishing hours within the Exclusive Economic Zones of African countries. We assessed the total fishing effort by this form of illegal fishing operations at 166 million kWhours at least out of 4.9 billion kWhours in total. We discuss this dangerous form of illegal fishing, which often results in deadly collisions with small‐scale sector operators, increases competition and conflicts over fisheries access, threatens the sustainability of fish stocks, and calls for better governance, and protection. 相似文献
15.
Review of trends in the development of European inland aquaculture linkages with fisheries 总被引：1，自引：0，他引：1
L. Váradi 《Fisheries Management and Ecology》2001,8(4-5):453-462
Aquaculture is a multifaceted, dynamic food production sector in Europe. The average annual growth rate of aquaculture production in Western Europe was 5.5% between 1988 and 1998, while in Eastern Europe production declined by 56% during the same period. The main growth in aquaculture production has taken place in the marine environment, particularly in the expanding salmon, Salmo salar L., industry of Northern Europe. Inland aquaculture only contributed 19% of the total aquaculture production in 1998. Trout in Western Europe, and common carp, Cyprinus carpio L., in Eastern Europe are the dominant species in inland aquaculture. Inland fisheries production has been stagnant in Western Europe and has declined considerably in Eastern Europe. The importance of recreational fisheries is increasing all over Europe, although no reliable data are available on angler catches. The major interactions between aquaculture and fisheries are pollution by untreated effluents from farms and impacts on indigenous fish stocks. The conflict is decreasing as more advanced systems are used in inland aquaculture, including water recirculation and effluent treatment. The positive benefit of aquaculture is that the sector supports extensive stocking programmes in commercial and recreational fisheries all over Europe. 相似文献
16.
通过应用增长速度方程法对1995-2004年广东省渔业生产的有关生产数据进行回归分析并测算科技进步经济评价指标。结果表明，外延生产要素对广东省渔业经济增长的拉动作用正在减弱。10年间科科技进步对广东省渔业经济增长的贡献率为46．73％，渔业经济的增长方式正由粗放型向效益型过渡。解决渔业生产发展的关键仍然是加强科技投入，促进渔业科技成果的转化。 相似文献
17.
The rising share of aquaculture in supplying seafood changes the mixture of species in the world's market, because capture fisheries target carnivorous species whereas aquaculture focuses on species that are lower in the food chain. Trophic level correlates with production volume (tons/yr) and with unit value (US$/ton) in aquaculture but not in capture fisheries (FAO's fisheries data). Apparently, sustainability and economics in aquaculture both depend on ecological efficiency, i.e., the use of resources and the production of waste. Species feeding low in the food chain use efficiently the natural resources. Each level up the food chain inflates costs related to the use of resources, the production of waste and the maintenance of water quality. This effect has further repercussions on the economics of aquaculture: (1) cost influences profit and unit price, and (2) price influences demand and market share. The overall ecological efficiency, sustainability and economics of culturing carnivorous fish are improved by growing them in an ecological balance with species from low trophic levels in integrated multi-trophic aquaculture. 相似文献
18.
由于人类的过度捕捞以及环境污染问题,海洋生态系统遭受了极大的破坏,海洋渔业的可持续发展面临诸多挑战。为了满足市场的需求,发达国家投入大量资金进行人造海鲜的研究。人造海鲜肉主要分为两种,一种是从植物中提取优质蛋白、脂肪、色素等合成的植物基海鲜肉,另一种是通过获取海洋生物的干细胞增殖分化而来的培养海鲜肉。通过研究发现,干细胞培养而来的海鲜肉在口感和风味上更接近真实肉。目前人造海鲜肉需要较高的技术要求和生产成本,且生产出来的产品在口感上与真实肉存在较大差异。本文对两种来源的人造海鲜肉进行了总结,分析了人造海鲜制作过程中重点关注的问题,关注了3D打印技术在食品行业中的应用,以期能够为我国人造肉在海鲜产品中的研究应用提供参考。 相似文献
19.
Regional socio-economic importance of fisheries in Finland 总被引：1，自引：0，他引：1
The total value of Finnish fisheries production in 1997 was almost FIM 2 billion. The bulk of this sum was from processing and wholesaling, but in terms of value added, somewhat more than half was contributed by the primary sector, i.e. fishing and fish farming. In economic terms, fisheries accounted for 0.1% of gross domestic product (GDP) in 1997 and the relative job creation capacity was 0.15%. This paper examines the structure of Finnish fisheries in terms of production value and employment. It also considers the level of dependency on fisheries and of value added along the production chain. The focus is on concentration of the industry and on input to the economy at the regional level. The concentration of fisheries and regional dependence on fisheries are assessed in absolute and relative terms. Examining employment and value added in these two ways enables the regional nature of fisheries to be shown in greater detail. The input of fisheries to the regional economy is examined by the share of value added and by location quotients. The location quotient compares an area's share of a particular activity with that area's share of some basic or aggregated phenomenon. The location quotient showed that fisheries have importance not only in the coastal area but also inland. 相似文献
20.