PRELIMINARY STUDY ON THE FLOODING AND DROUGHT CLAMITY DURING PAST 1500 YEARS IN THE HAI′AN REGION，JIANGSU PROVINCE   总被引：1，自引：0，他引：1  

ZHANGQiang  CHENGJi 《中国地理科学(英文版)》2002,12(2):146-151

Collection and arrangement of the historical records of climatic changes and environment evolution,espectial-lyin the aspect of calamities,are made on the history documents of past 1500 years about Haiˊan region,Jiangsu Province.There existed two obvious flooding-drought frequently-occurring periods:one was from 1550 AD to 1850 AD and another was 100 AD to 1200AD.The period of 1550 AD to1850 AD is interrupted by two relatively arid and cold climatic periods:one was from 1630 AD to 1700 AD and another was 1750 AD to 1820 AD.The main characteristic of the calamity periods is that they occurred by turns,and sometimes,both drought and flooding occurred in the same year.The instability of the climatic changes in the Little Ice Age may be the main reason of the frequently-occurring flooding and drought in Haiˊan region.Research results also show that the frequently-occurring periods of flooding and drought is in close relationship with the solar activity,and therefore,occurrence of the flooding and drought may be in relation with the intensity of the solar activity.This hypothesis may need further study in the future.  相似文献   

潢川县土地整理注重实效     

卞晶波  王春 《河南国土资源》2005,(12):28-28

近年来，潢川县以保护耕地总量动态平衡为目标，逐年加大上地整理复垦力度，不断增加耕地面积．提高土地产出率．为农业结构调整、粮食基地建设和基础设施建设构筑保障平台．促进了当地经济的可持续发展。从去年初至今年9月份，全县累计实施土地整理复垦面积3267亩，净增耕地2665亩。  相似文献   

时代呼唤：农业地质浮出水面     

《国土资源》2004,(1):15-16

提到农业地质，人们不应当忘记这个名字：爱尔。1916年这位年轻的英国剑桥大学地质系教授对土壤产生了浓厚的兴趣，他认为世界工业的飞速发展，产生的废物会污染土壤。当他将一些土壤放到实验室研究时果然印证了他的设想。作为地质学家，他认为消除土壤侵蚀的关键应是首先采用地质方法进行调查，根据  相似文献   

山东省基本农田保护条例     

《山东国土资源》2004,20(5):1-3

第一章　总则第一条　为加强对基本农田的保护,稳定耕地面积,确保粮食安全,促进农业生产和经济社会的可持续发展,根据《中华人民共和国土地管理法》、《中华人民共和国农业法》、国务院《基本农田保护条例》等法律、法规,结合本省实际,制定本条例。第二条　本条例所称基本农田,是指依据土地利用总体规划确定的不得占用的耕地。本条例所称基本农田保护区是指为对基本农田实行特殊保护,按照法定程序确定的特定保护区域。第三条　本条例适用于本省行政区域内基本农田保护区的划定、保护和监督管理。第四条　县级以上人民政府应当将基本农田保护…  相似文献   

Revisiting Sustainable Development of Dry Valleys in Hengduan Mountains Region   总被引：5，自引：1，他引：4  

TANGYa XIEJiasui SUNHui 《山地科学学报》2004,1(1):38-45

Dry valleys are a striking geographic landscape in Hengduan Mountains Region and are characterized by low rainfall, desert type of vegetation and fragile environment. Past efforts and resources have been concentrated mainly on rehabilitation of degraded ecosystem and fragile environment, particularly reforestation, while socio-economic development has been largely overlooked. Despite successes in pocket areas, the overall trend of unsustainability and environmental deterioration are continuing. It is important to understand that uplift of the Tibetan Plateau is the root cause of development of dry valleys, and development and formation of dry valleys is a natural process. Human intervention has played a secondary role in development of dry valleys and degradation of dry valleys though human intervention in many cases has speeded up environmental degradation of the dry valleys. It is important to understand that dry valleys are climatic enclaves and an integrated approach that combines rehabilitation of degraded ecosystems and socio-economic development should be adopted if the overall goal of sustainable development of dry valleys is to be achieved. Promotion of niche-based cash crops, rural energy including hydropower, solar energy, biogas and fuelwood plantation is recommended as the priority activities.  相似文献   

实施农村规划 进行土地挖潜   总被引：1，自引：0，他引：1  

汤阴县土地学会 《河南国土资源》2005,(3):21-22

汤阴县位于河南省北部，属河南省安阳市所辖，是一个农业县。土地总面积645.86平方公里，其中：耕地占土地总面积的63．4％，其它土地占36．6％。全县设5乡5镇，297个行政村。农业户口、农业人口分别占总户数、总人口的77．7％和85．5％。  相似文献   

土地管理制度创新与农民增收     

《江苏国土资源》2002,(2):8-11

土地管理制度创新在各地创造了许多鲜活、有效的经验，为农民增收、农业增效、农村经济发展提供了保障。同时还有一些问题亟待解决。调整政策、完善机制才能更好地为解决好“三农”问题，特别是农民增收问题，作出国土资源管理部门应有的贡献。  相似文献   

王岗，十年建房“不下岗”     

霍海涛 《河南国土资源》2004,(8):27-27

在河南省方城县赵河镇西北部的王岗村，是赵河镇面积最大，人口最多，人均耕地最少的村。全村祖祖辈辈就依赖两条水渠及渠外仅有的耕地，栽烟种粮，维持生计。  相似文献   

一月要闻速览（7月21日-8月20日）     

《河南国土资源》2004,(9):46-47

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土地综合整治难点何在？——溆浦新坪项目调查     

曾佑光 《湖南地质》2009,(9):52-55

开展土地综合整治，实施“万村土地综合整治”示范工程，是今年国土资源部推出的一项重大行动。大力推进土地综合整治可增加有效耕地面积，改善农业生产条件和农村生活环境，促进土地节约集约利用，也是保发展、保红线的结合点，统筹城乡发展的新平台，当前还能有效地拉动农村投资和消费需求。溆浦县桥江镇新坪村是怀化土地综合整治的首个试点村，近来就该村实施情况进行了调查。  相似文献