八年级地理上册3.4《中国的海洋资源》课件3(新版)湘教版.ppt

上传人:花仙子 文档编号:1160096 上传时间:2019-05-11 格式:PPT 页数:30 大小:5.26MB
下载 相关 举报
八年级地理上册3.4《中国的海洋资源》课件3(新版)湘教版.ppt_第1页
第1页 / 共30页
八年级地理上册3.4《中国的海洋资源》课件3(新版)湘教版.ppt_第2页
第2页 / 共30页
八年级地理上册3.4《中国的海洋资源》课件3(新版)湘教版.ppt_第3页
第3页 / 共30页
八年级地理上册3.4《中国的海洋资源》课件3(新版)湘教版.ppt_第4页
第4页 / 共30页
八年级地理上册3.4《中国的海洋资源》课件3(新版)湘教版.ppt_第5页
第5页 / 共30页
点击查看更多>>
资源描述

1、海洋资源,一、优越的海洋环境,渤海,黄海,东海,南海,台湾以 东洋面,我国东临四海一洋,我国领海面积大约有300万平方千米。,充 满 生 机 的 海 洋,二、多样的生物资源,种类繁多的中国海鱼,鲨鱼,蝴蝶鱼,石斑鱼,烛光鱼,1、中国四大海产,大黄鱼,小黄鱼,带鱼,乌 贼,我国著名的四大海产是 、 、 、 和乌贼,大黄鱼,小黄鱼,带鱼,思考,我国发展海洋水产业 的有利条件是什么?,黄渤海 渔场,大陆架宽而浅,阳光充足众多河流入海,营养成分丰富寒暖流交汇, 饵料充足,舟山 渔场,北部湾渔场,南海沿岸渔场,2、四大渔场,因为位置适中,是多种经济鱼类洄游的必经之地。,我国最大的渔场,舟山渔场,(1)

2、我国第一大渔场是( ), 它位于( )海。,舟山渔场,东,(2)我国的四大渔场是( ) ( )( )和北部湾渔场,黄渤海渔场,舟山渔场,南海沿岸渔场,1、巨大的海底油气田,海上石油钻井平台,三、丰富的矿产资源,塔北,塔中,2、丰富的滨海砂矿,三、矿产资源丰富 大陆架:石油、天然气 滨海地区:锆石、钛铁矿、石英砂 海底: 锰结核,四、巨量的化学资源,莺歌海盐场,布袋盐场,长芦盐场,我国主要盐场,淮北盐场,我国最大的盐场,海岸平坦 多晴天、光照强,长芦盐场,中国沿海盐场景观图,我国海盐产量居世界第( ) 位。我国最大的盐场是( ), 它位于( ),长芦盐场,渤 海,一,把下列盐场与其分布的省区连线: 莺歌海盐场 台湾省 淮北盐场 海南省 布袋盐场 江苏省,海洋空间的利用,油轮啊,!,海洋资源开发中的问题:海洋污染,我是一只美丽的海鸟,你还能认出我吗,大海也会着火,你相信吗,还我美丽容颜!,如何合理开发利用海洋资源,一、禁止过度捕捞海洋生物资源。二、防止海洋污染。,保护“蓝色国土”,课堂练习,下列不属于海洋问题的是( )A赤潮 B海洋环境污染C海啸 D渔业资源衰竭,C,

展开阅读全文
相关资源
猜你喜欢
  • AECMA PREN 3486-1988 Aerospace Series Steel FE-PM67 Solution Annealed and Precipitation Hardened 1400 Less Than or Equal to Rm Less Than or Equal to 1550 Mpa Forgings De Less Than .pdf AECMA PREN 3486-1988 Aerospace Series Steel FE-PM67 Solution Annealed and Precipitation Hardened 1400 Less Than or Equal to Rm Less Than or Equal to 1550 Mpa Forgings De Less Than .pdf
  • AECMA PREN 3487-2006 Aerospace series Steel FE-PA3601 (X6CrNiTi18-10) Air melted Softened Bar for machining a or D less than or equal to 250 mm 500 MPa less than or equal to Rm les.pdf AECMA PREN 3487-2006 Aerospace series Steel FE-PA3601 (X6CrNiTi18-10) Air melted Softened Bar for machining a or D less than or equal to 250 mm 500 MPa less than or equal to Rm les.pdf
  • AECMA PREN 3488-2006 Aerospace series Steel FE-PA3601 (X6CrNiTi18-10) Air melted Softened Sheet and strip a Less than or Equal to 6 mm 500 MPa Less than or Equal to Rm Less than or.pdf AECMA PREN 3488-2006 Aerospace series Steel FE-PA3601 (X6CrNiTi18-10) Air melted Softened Sheet and strip a Less than or Equal to 6 mm 500 MPa Less than or Equal to Rm Less than or.pdf
  • AECMA PREN 3489-1988 Aerospace Series Steel FE-PA13 Softened 500 Less Than or Equal to Rm Less Than or Equal to 750 MPa Tubes for Structures 0 5 Less Than or Equal to a Less Than o.pdf AECMA PREN 3489-1988 Aerospace Series Steel FE-PA13 Softened 500 Less Than or Equal to Rm Less Than or Equal to 750 MPa Tubes for Structures 0 5 Less Than or Equal to a Less Than o.pdf
  • AECMA PREN 3490-1998 Aerospace Series Steel FE-PL3901 (X15CrNi17-3) Air Melted Hardened and Tempered Bar for Machining De Less Than or Equal to 200 mm 900 MPa Less Than or Equal to.pdf AECMA PREN 3490-1998 Aerospace Series Steel FE-PL3901 (X15CrNi17-3) Air Melted Hardened and Tempered Bar for Machining De Less Than or Equal to 200 mm 900 MPa Less Than or Equal to.pdf
  • AECMA PREN 3491-1998 Aerospace Series Steel FE-PL3901 (X15CrNi17-3) Air Melted Hardened and Tempered Forgings De Less Than or Equal to 100 mm 900 MPa Less Than or Equal to Rm Less .pdf AECMA PREN 3491-1998 Aerospace Series Steel FE-PL3901 (X15CrNi17-3) Air Melted Hardened and Tempered Forgings De Less Than or Equal to 100 mm 900 MPa Less Than or Equal to Rm Less .pdf
  • AECMA PREN 3492-1988 Aerospace Series Steel FE-PM44 Hardened and Tempered Bar for Machining De Less Than or Equal to 150 mm Issue P 1《航空航天系列.钢 FE-PM44同质溶液锻造和沉淀硬化处理锻件Rm小于或等于1550MPa .pdf AECMA PREN 3492-1988 Aerospace Series Steel FE-PM44 Hardened and Tempered Bar for Machining De Less Than or Equal to 150 mm Issue P 1《航空航天系列.钢 FE-PM44同质溶液锻造和沉淀硬化处理锻件Rm小于或等于1550MPa .pdf
  • AECMA PREN 3493-1988 Aerospace Series Steel FE-PL48 Hardened and Tempered 1050 Less Than or Equal to Rm Less Than or Equal to 1250 MPa Forgings De Less Than or Equal to 40 mm Issue.pdf AECMA PREN 3493-1988 Aerospace Series Steel FE-PL48 Hardened and Tempered 1050 Less Than or Equal to Rm Less Than or Equal to 1250 MPa Forgings De Less Than or Equal to 40 mm Issue.pdf
  • AECMA PREN 3494-1995 Aerospace Series Titanium Alloy TI-P19001 Grade 2 Solution Treated and Aged Forgings De Less Than or Equal to 75 mm Edition P 2《航空航天系列钛合金钛P19001二级溶液处理和老化锻件De≤7.pdf AECMA PREN 3494-1995 Aerospace Series Titanium Alloy TI-P19001 Grade 2 Solution Treated and Aged Forgings De Less Than or Equal to 75 mm Edition P 2《航空航天系列钛合金钛P19001二级溶液处理和老化锻件De≤7.pdf
  • 相关搜索

    当前位置:首页 > 教学课件 > 中学教育

    copyright@ 2008-2019 麦多课文库(www.mydoc123.com)网站版权所有
    备案/许可证编号:苏ICP备17064731号-1