scotland’sfoodsystematacrossroads-falklandcentrefor苏格兰的粮食系统在一个十字路口-福克兰中心

上传人:tian****1990 文档编号:81531980 上传时间:2019-02-21 格式:PPT 页数:23 大小:1.54MB
返回 下载 相关 举报
scotland’sfoodsystematacrossroads-falklandcentrefor苏格兰的粮食系统在一个十字路口-福克兰中心_第1页
第1页 / 共23页
scotland’sfoodsystematacrossroads-falklandcentrefor苏格兰的粮食系统在一个十字路口-福克兰中心_第2页
第2页 / 共23页
scotland’sfoodsystematacrossroads-falklandcentrefor苏格兰的粮食系统在一个十字路口-福克兰中心_第3页
第3页 / 共23页
scotland’sfoodsystematacrossroads-falklandcentrefor苏格兰的粮食系统在一个十字路口-福克兰中心_第4页
第4页 / 共23页
scotland’sfoodsystematacrossroads-falklandcentrefor苏格兰的粮食系统在一个十字路口-福克兰中心_第5页
第5页 / 共23页
点击查看更多>>
资源描述

《scotland’sfoodsystematacrossroads-falklandcentrefor苏格兰的粮食系统在一个十字路口-福克兰中心》由会员分享,可在线阅读,更多相关《scotland’sfoodsystematacrossroads-falklandcentrefor苏格兰的粮食系统在一个十字路口-福克兰中心(23页珍藏版)》请在金锄头文库上搜索。

1、Scotlands Food System at a Crossroads,David Atkinson Food and Drink Leadership Forum & ACTS Rural Committee,Food Sovereignty: What is It?,Food at the heart of Policy A clear view of where our food will come from now and in the future i.e. Climate change type issues are embedded, leading to food secu

2、rity. An appropriate infrastructure which makes food accessible and affordable to all. It does NOT require all food to be home produced or a production and distribution network under state control,Chatham House Pressures,Population: Increase demand from a rapidly rising world population Diet: The ef

3、fect of “nutrition translation.” Energy: Energy dependence of current systems. Land: The potential to increase the amount of land available to agriculture is limited Water: Increase in global stresses on available water. Climate Change: Predicted that world agricultural GDP output will decline by 16

4、% by 2020. Labour: a decreased rural population able to produce primary produce.,Chatham House Predictions,The absolute level of food production worldwide is rising. Despite this, food prices have been rising Although absolute food production is rising, world population growth is outstripping the in

5、crease. Measured in terms of days of consumption, world grain stocks have now fallen to half the levels of the mid-1980s In the short run food prices may well fall or be volatile, but the underlying supply shortfall must be confronted Systemic change will eventually be necessary,The Importance of Sc

6、ottish Food production,Food prices have been affected by government actions for most of recent history The gap between increasing world production and world population growth is decreasing An approach to the proportion of our food which we produce based only on economic factors would be unwise The a

7、im of producing approaching two thirds of our food from our own resources would seem to be prudent,Climate change and Food security,The impact of agriculture on GHG production The impact of land management The effects of our choice of agricultural types Options for changing resource use and external

8、ities Home verses overseas production Impact on the post farm gate equation,Ruminant Animals,Methane,Grassland,CO2,Soil Carbon Storage,Food,Nitrous Oxide,Carbon containing inputs,Fertiliser,CO2,CO2,Scottish Dietary Targets,Meeting dietary targets by home production,Are Genetically Modified Crops the

9、 Solution to Current Food Security Problems?,GM Crop Performance,The performance of GM crops has varied greatly between farms , farmers, crop varieties, regions, seasons. Institutional factors have a major impact Poor farmers have generally not done well from GM It isnt the silver bullet some hoped

10、for.,Some disadvantages of Climate Change genes,Pleiotropy: The ability of a single gene to cause unintended physiological changes throughout the plant which resulting impact on yield and quality. The yield losses of bad years are experienced in all years Many of the gene patent applications cover a

11、 wide range of crops e.g. BASF ( US 7,161,063 environmental stresses in 32 crops,“ The biological fixation of N2 is accompanied by the energetically wasteful reduction of protons to H2 this represents a wasting of at least 25% of photosynthesis which is used for the fixation process” Minchin, Gordon

12、 and Witty (1996),Share of UK household expenditure spent on food and non-alcoholic beverages 2005/2006,The Contribution of the Supermarkets,The supermarkets currently dominate the food supply market and so are key players in any attempt to reduce the price of food or to maintain it in periods of ma

13、rket failure. They also have a pivotal role in any approach to promoting of healthy eating. More affluent and better educated groups are more likely to use multiple supermarkets and less affluent groups more likely to use discount supermarkets,Significant Tensions,The proportion of the food consumed

14、 in Scotland which should be produced from our own resources. The amount of our land area which should be devoted to food production The methods which should be employed for food production The potential for the expansion of organic production Whether genetic modification has any role in the food we produce or import. The appropriate level of control exercised by the Supermarket sector. The future development of electronic food marketing relative to the maintenance of convenience food stores,

展开阅读全文
相关资源
相关搜索

当前位置:首页 > 高等教育 > 大学课件

电脑版 |金锄头文库版权所有
经营许可证:蜀ICP备13022795号 | 川公网安备 51140202000112号