植物志后时期内蒙古被子植物区系研究进展

本文综述了《内蒙古植物志》第二版出版以来内蒙古被子植物区系的研究进展.结果表明,在此期间取得了以下研究进展:(1)发现内蒙古被子植物新记录属8个,更名植物属2个,从原隶植物属分出而独立的植物属3个;(2)新定名发表25新种、1新亚种、15新变种、2新变型;(3)发现新记录44种、2亚种和2变种;(4)对原有的30种、1亚种、10变种和1变型进行了订正.在植物志后时期,内蒙古被子植物区系研究取得了显著进展,为《内蒙古植物志》第三版的编著奠定了坚实的基础.     

大学生体质指数分析

以内蒙古民族大学1421名在校生为研究对象,通过测定身高、体重和计算体质指数的方法,分析了不同性别、民族、生源地及年级学生的体质指数分布.结果表明,男生体重正常的比例低于女生,体重过低的比例女生高于男生,超重和肥胖的比例男生高于女生.男、女生体重正常的比例均以城镇最低,男生更为明显.汉族男生体重过低的比例和超重的比例均相对较高,汉蒙以外其他民族的男、女生体重过低的比例均相对较低.男生超重的比例和女生体重过低的比例均随年级增长而升高,四年级学生的体质状况相对较差.学校有关部门应有针对性地开展营养健康教育和膳食干预工作.     

Experimental study on soil respiration of temperate grassland in China

Understanding of CO2 source and sink characteristics of terrestrial ecosystem is one of the most critical prob-lems at present, but till now, most studies concerning the natural terrestrial ecosystem carbon cycle are concentrated on the forest ecosystem. Not enough attention is paid to the natural grassland, especially to the temperate natural grassland, whose area is almost equal to that of tropical forest in the world. Little is known about the role of the grassland, which takes about 25% of…     

A new Mesozoic caudate （Liaoxitriton daohugouensis sp.nov.） from Inner Mongolia,China

Fossil caudates are rare and mostly preserved by fragmentary material in the Mesozoic. The recent reports of five monotypic genera with articulated skeletons in China have thus drawn worldwide attention. These Chinese forms are yielded in the Lower Cretaceous Jehol Group or slightly lower horizon, and have relatively earlier     

布里隐翅虫属——内蒙古新纪录：鞘翅目：隐翅虫科,异形隐翅虫亚科

报道了布里隐翅虫属－内蒙古新纪录，研究标本保存在四川师范学院生物系。     

Palynological records of environmental changes in the middle part of Inner Mongolia,China

Today, the central part of Inner Mongolia has a continental climate, with cold winters, hot summers, and approximately 70% of the precipitation falling in the summer months. Vegetation is dominated by steppe vegetation with Stipa bungeana and Stipa breviflora. Scattered individuals of Quercus liaotungensis, Populus davidiana, Betula platyplylla are distributed in the mountains, with some Pinus tabluaoformis, near Miaoyu, and with fragmentary Picea above 1700—1800 m a.s.l. The Huitenglian…     

内蒙古锡林郭勒高原东半部内陆水系的鱼类

锡林郭勒高原东半部的乌拉盖盆地，有众多的内陆河流及沼泽、湿地，那里的鱼类，是内蒙古自治区鱼类资源的组成部分之一。在对两次采自该地区的鱼类标本分类鉴定的基础上，概述了该地区的土著鱼类2目3科11属11种，列出了分类检索表。对部分种进行了简略的记述，并提供了一些生态资料。