认真贯彻落实十六大精神 全面开创林业科技工作新局面

<正> 在全党和全国人民深入学习贯彻党的十六大精神的热潮中,在我国林业发展和生态建设进入一个快速发展的重要时期,国家林业局党组对今年和今后一个时期的林业工作作出了重要部署,突出了林业科技工作在新时期林业发展和生态建设中的重要地位和作用。特别是2001年6月全国林业科学技术大会的召开,以“创新和科技支撑”为主题,对全面贯彻落实《农业科技发展纲要》,进一步强化科技进步在林业建设特别是     

认真贯彻落实十六大精神 全面开创中国林学会事业发展新局面

<正> 中国林学会十届二次常务理事会,是在全党和全国人民深入学习贯彻党的十六大精神,全国人大政协十届一次会议胜利闭幕,我国林业进入快速发展时期的新形势下召开的。这是继中国林学会第十次全国会员代表大会之后,全面部署本届理事会五年工作的一次重要会议。在上次的大会闭幕式上,我提出了十届理事会五年工作设想。经过近几个月的思考和实践,特别是通过学习十六大精神,把学会工作融入林业跨越式发展,全面建设小康社会的大环境中思考,我对新时期学会事业的发展有了更进一步的认识,感到很有必要召     

国家林业局科学技术司2003年工作要点

<正> 党的十六大提出了全面建设小康社会的奋斗目标,并把生态环境建设列为重要指标之一,给林业带来了新的发展机遇,也提出了新的更高的要求。国家林业局党组审时度势,以十六大精神和“三个代表”重要思想统领林业工作全局,结合我国国情和林情,确定当前及今后一段时期内我国林业工作思路是:全面实施六大工程、加速推进五大转变、实现林业跨越式发展。科学技术作为第一生产力,是推动林业跨越式发展的强     

探索新时代乡村文旅新路径——“乡村振兴与乡村文旅高质量发展”专辑序言

<正>党的二十大报告指出要“全面推进乡村振兴”，强调“扎实推动乡村产业、人才、文化、生态、组织振兴”，要“推进文化和旅游深度融合发展”。2023年2月中共中央国务院印发《做好2023年全面推进乡村振兴重点工作的意见》，指出农文旅新业态是乡村高质量发展的重要方向。乡村文旅是第三产业的重要组成部分，为实施乡村振兴战略提供了动力。截至2022年11月，文化和旅游部、国家发展改革委联合遴选和推出了全国乡村旅游重点村1399个、全国乡村旅游重点镇(乡)198个。随着疫后文旅产业快速提振和恢复，     

从经济学角度看“以人为本”

“坚持以人为本,树立全面、协调、持续的发展观,促进经济社会和人的全面发展”。这是中国共产党十六届三中全会《决定》提出的一个重要思想。“以人为本”思想地提出,预示着党的执政理念的全新飞跃,表明了我国的经济发展观更加科学。一、从经济学角度看“以人为本”的内涵“以人为本”思想,无论在中国,还是在外国的思想发展史上都渊远流长。两千多年前的我国春秋时期,齐国政治家管子就明确提出,“夫霸王之所始也,以人为本。本理则国固”。在西方,自文艺复兴以来,人本主义者就从人的本性出发,宣扬人的价值、人的尊严和人的权利,强调人的自由…     

如何认识东北怎样振兴东北——评《东北老工业基地新型工业化之路》

党的十六大报告中明确提出“支持东北地区等老工业基地加快调整和改造,支持以资源开采为主的城市和地区发展接续产业”,“国家要加大对粮食主产区的扶持”等的重大决策,为东北老工业基地的振兴提供了难得的机遇;报告中提出的“走新型工业化道路”,为东北地区完成上述历史任务指明了方向。     

深入贯彻落实党中央国务院决策部署区划地名工作再上新台阶

正习近平总书记多次就区划地名工作作出重要批示指示,提出"行政区划本身也是一种重要资源"的论述;"优化行政层级和行政区划设置"写入十八大报告,被确定为全面深化改革重要内容;国务院决定开展第二次全国地名普查工作,地名普查时隔三十年再启动……党的十八大以来,以习近平同志为核心的党中央统筹推进"五位一体"总体布局、协调推进"四个全面"战略布局,对区划地名工作作出一系列重要     

以“线”带面复习中国地理

在复习中国地理的内容时，我喜欢采用以线带面的方法，以几条线为线索，这样既复习了这些重要的“线”，又把面上的重要知识都“带”出来，从而达到梳理知识、掌握知识，巩固知识的目的。     

申城着力打造“生态文明”城市

昨天,上海社科院举办“2008年上海蓝皮书”发布会。该套蓝皮书收录了上海社会、文化、资源环境发展报告,主要反映2007年以来上海及周边地区的发展态势和绩效评估。报告显示,上海正致力于创建国家环保模范城市,着力打造“生态文明”。     

西藏农牧区人口与可持续发展

党的十六大和十六届三中全会明确指出:“坚持以人为本,树立全面、协调、可持续的发展观。”这就要求我们正确处理好人口、资源、环境三者的关系,实现经济效益、社会效益和生态效益的全面提高。西藏农牧区少数民族人口所占比重大,人文资源独特,     

Reconstructing the development of the geosystems of the Primorsky Range during the latter half of the Holocene

We examine the sequence of changes in the structure of the geosystems of the Primorsky Range (Baikal region) for the last 6000 years, based on a continuous recording of fluctuations of the vegetation reconstructed from spore-pollen complexes of a high peat bog. We determined the chronological timeframe of paleogeographical events. The study showed that there occurred a radical structure transformation of the geosystems in the mid-late Holocene, along with a recurrence of similar landscape transformations caused by the instability of natural conditions.     

On the origin of the seismic anisotropy of the lithosphere

Summary. It is known that flow in the mantle can produce preferred orientation in olivine crystals with seismic anisotropy as a consequence. Flow in the subcrustal lithosphere is unlikely because of the high viscosity. Lenses of high temperature and low-viscosity ( anomalous mantle ) are located under the crust in many tectonically active regions, and viscous flow can easily arise in such material resulting in seismic anisotropy. After cooling, such anomalous mantle acquires high viscosity and becomes incorporated into the lithospheric layer preserving the anisotropy produced by the flows which existed previously. The interaction of the stresses with cracks in the upper crust can be one of the causes of anisotropy in this layer.     

对沙漠化农田能转化效率及潜力的分析

我国北方东起黑龙江省嫩江地区, 吉林白城地区及辽宁西部, 包括内蒙兴安盟东南、哲里木、昭乌达、锡林郭勒、乌兰察布、伊克昭等盟的大部地区, 直至河北坝上、陕西榆林北部约26.7万平方公里的幅员范围内, 由于自然条件的特殊性(地表组成物质质地松散、沙粒成分比重很大及气候干旱、多大风, 且年内季风与周期性干旱相吻合), 加上人类不合理开发活动的影响, 成为我国目前沙漠化发展最活跃的地区, 其沙漠化土地近16.5万平方公里, 占全区总面积的61.5%。该地区有较长的经济开发史, 农、牧业相互影响, 交错分布的情况, 在历史上业已形成。据粗略统计, 该区范围内, 有旱作耕地近5, 000万亩, 多以传统的粗放的撂荒种植制进行经营, 长年遭受不同程度的风沙危害, 属于生产水平较为低下的农田类型。这些农田急待整治, 以便提高生产力。由于本区年均降水量在350-450毫米之间, 客观上具有发展旱作农业的可能性。如能合理经营、科学利用其自然资源, 将可能发展成为农、牧业结合的发达地区。从而对我国北方地区农业发展起促进作用。为了深化对沙漠化农田的认识, 揭示其生态失调的实质, 本文将就生态系统观点对其进行分析以寻求有效的整治沙漠化农田的途径。     

Direct determination of the characteristics of the currents responsible for the geomagnetic anomaly of the Rhinegraben

Summary. Previous geomagnetic measurements in the Rhinegraben have led us to assume that the responsible currents have the properties of direct currents and that they all flow in the sediments filling the graben. In order to verify these conclusions, we have performed measurements in a mine at a depth of 650 m. By comparing the field simultaneously recorded at the surface, in the mine and at the reference station, it is possible to deduce that the anomalous currents have the above mentioned properties.     

城市化的开发区模式研究

我国许多城市通过开发区建设,在短时间内完成了产业和人口的集聚,实现了城市地域空间和人口规模的跳跃性增长和产业结构的转型。由于在这种城市空间增长过程中,开发区建设起了决定作用,因此,这种以开发区带动整个地区城市化的方式可称为"开发区模式"。开发区驱动城市化的机制表现在开发区自身区域的城市化和开发区带动周围农村地区城市化两个层面,并具有快速跳跃性、外驱性和不稳定性、人为性、经济增长模式的单一性和基础设施建设的高标准性等特征。针对开发区建设中出现的问题,提出了促进其健康发展的建议。     

Chemical composition of waters and the phytoplankton of the lakes within the delta of the Selenga river

Field observations showed that the characteristics of chemical composition of waters and the development of plankton algae in the lakes within the delta of the Selenga river are determined by their flowage. The most open Lake Nekipelovskoe communicates with the Selenga outlets throughout a year, and Lake Zavernyaikha only at the period of an open channel. Lake Semenovskoe and Lake Khlystov Zaton are located in the islands and are isolated from the outlets. According to composition of main ions, the lakes under investigation refer to the hydrocarbonate class, the calcium group. The sum of ions in the water of Lake Nekipelovskoe approaches the one in the Selenga (86?221 mg/dm³), and the highest sums of ions were recorded in the wintertime in the lakes isolated from the outlets (446?743 mg/dm³). The lakes of the delta are characterized by a high trophicity. The maximum concentrations of total phosphorus in Lake Nekipelovskoe and Lake Zavernyaikha were 68 and 122 μg mg/dm³, and in Lake Semenovskoe and Lake Khlystov Zaton ?0.8 and ?0.63 μg mg/dm³, respectively. The most intense development of algae is observed in Lake Zavernyaikha, which is due to the high population of Baikal endemics. Lake Zavernyaikha showed a close negative correlation between the concentration of NO ₃ ^? , mineral phosphorus and phytoplankton biomass; the correlation coefficient was ?0.8 and ?0.63, respectively. The lakes exhibited increased contents readily hydrolysable organic matter, and a decrease in dissolved oxygen concentration in winter; hydrogen sulfide was repeatedly recorded in Lake Khlystov Zaton. The water quality in the lakes during the springtime varies from “quite clean” to “weakly polluted”; at low-water periods, especially in winters, it can drop to the category of “exceedingly dirty”. The water quality of the Selenga can be influenced by the lakes during spring floods when material accumulated during the wintertime is transported to the river outlets and further to Lake Baikal.     

Transformation of the vegetation cover in the zone of air emissions from the enterprises of the city of Norilsk

The influence of air emissions from the enterprises of the city of Norilsk on the vegetation cover of adjacent territories was revealed. The categories of resistance of some plant species and communities to technogenic loads have been ascertained. The protective role of overmoistening of habitats was observed for plants.