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The Farming-pastoral Zone in North China was separated into 8 Eco-regions according to the known Eco-region. The dissertation analyzed the regional differences of land use changes from three aspects on dynamic degree , land use degree and the change direction (1)On land use dynamic degree, the dynamic degree of the cropland was the highest in North warm temperate deciduous broad-leaved forest and the lowest in temperate forest steppe; forest land's was the highest in alpine meadow and the lowest in warm temperate forest steppe; grassland's was the highest in temperate forest steppe-bunchgrass steppe and the lowest in alpine meadow; other land's was the highest in North warm temperate deciduous broad-leaved forest-the Huang-Huai-hai plain and the lowest in warm temperate bunchgrass steppe.

结合已有的自然生态区的划分,将我国北方农牧交错带划分为8 个自然生态区,选取土地利用动态度、土地利用程度以及土地利用变化方向等3 个方面的指标对研究区进行了区域分异规律的研究,结果如下:(1)耕地动态度北暖温带落叶阔叶林生态区——北部山地丘陵区最大,温带森林草原生态区最小;林地的动态度高寒草甸生态区最大,暖温带森林草原丛生禾草草原生态区——东南森林草原区最小;草地动态度温带森林草原——丛生禾草草原生态区最大,高寒草甸生态区最小;其他用地的动态度北暖温带落叶阔叶林生态区——黄淮海平原区最大,暖温带森林草原丛生禾草草原生态区—西北丛生禾草草原区最小。

Climatic gradients were based on data sets from 841 meteorological stations throughout China. Definitions for floristic distributional patterns were based upon the work of Prof. Z. Y. Wu. Most of these floristic distributional patterns were strongly correlated with the geographic gradients in climate, except for cosmopolitan, cultivated and invasive genera. Tropical genera form a large fraction of the total genera (ranging from 0.84% to 94.38% in the regional floras) with the highest proportion in southern Yunnan and Hainan Island. Tropical genera occur predominantly in southern China of 0° N latitude and decreased with increasing latitude, as would be expected. Interestingly, the disjunct Tropical Asia and Tropical America distribution were not restricted to southern latitudes. Temperate genera account for 5.1% to 98.83% of the total genera in regional floras with the highest proportion in the province of Xinjiang. Most of these genera followed geographic gradients in climate as expected (temperate genera conspicuously dominate the landscape at higher latitudes), except the East Asian and North American disjunct distribution, Eastern Asian distribution and Chinese endemic distribution. Generally, most plant genera demonstrated some correlation with climatic and geographic gradients. The most important gradients were those of annual air temperature and precipitation. A small fraction did not demonstrate significantly particular pattern:"Cosmopolitan","East Asian and North American disjunct","Eastern Asian" and "Chinese endemic" distributions. The North Temperate distribution had the highest correlation with mean annual air temperature and precipitation.

结果如下:(1)除世界分布、栽培和入侵成分外,大部分中国种子植物属的地理成分的分布与地理相关密切;(2)热带分布属(泛热带分布、热带亚洲至热带美洲间断分布、旧世界热带分布、热带亚洲至热带大洋洲分布、热带亚洲至热带非洲分布及热带亚洲分布合计)占各地方植物区系的0.84%到94.38%,其最低值出现在中国西北部的新疆和青海地区,最高值出现在中国云南南部和海南;(3)热带分布属在<北纬30°的地区占优势,除热带亚洲至热带美洲间断分布外,其它热带成分随纬度增加迅速减少;(4)温带分布属(北温带分布、东亚和北美间断分布、旧世界温带分布、温带亚洲分布、地中海区、西亚到中亚分布、中亚分布和东亚分布合计)占各地方植物区系的5.1%至98.83%,其最高值出现在中国西北部的新疆地区,最低值出现在中国云南南部和海南;(5)除东亚和北美间断分布、东亚分布和中国特有分布外,其它温带成分随纬度增加迅速增加;(6)在温带成分中,东亚和北美间断分布及东亚分布属主要出现在中国亚热带到暖温带地区,北温带分布、旧世界温带分布和温带亚洲分布属在中国北部占优势,而地中海区、西亚到中亚分布和中亚分布属则在中国西北部占优势;(7)除世界分布、东亚和北美间断分布、东亚分布和中国特有分布外,所有其他成分都显示了与气候因素密切相关,其中,北温带分布属与年均温和年降雨量最为密切相关。

Paul. The two letters were printed in 1693. They were followed by a more extended apology for the "Acta", published by the same Janninck in 1695; and lastly there appeared in 1696, 1697, and 1698 the three volumes of the "Responsio Danielis Papebrochii ad Exhibitionem Errorum", in which the valiant hagiographer takes up one by one the charges hurled against him by Father Sebastian and confutes each with an answer as solid in argument as it was temperate in tone.

两封信分别印在1693年,他们之后都进行了更延长了道歉,为"学报",出版了由同一janninck在1695年;最后出现在1696 , 1697和1698这三卷的" responsio丹尼利斯papebrochii专案exhibitionem errorum ",在这种英勇hagiographer占据了一由一个收费的玻璃瓶,对他的父亲塞巴斯蒂安和confutes每个都带有一个答案,因为在坚实的论据,因为它是在温带的语调。

Characterized by moderate temperatures, weather, or climate; neither hot nor cold.

温带的以温和的温度、天气或气候为特征的;既不冷也不热的

Between 220 and 250 species: tropics and temperate regions worldwide, especially South America; two species in China.

在220 和250种之间:全世界的热带和温带的地区,特别是南美洲;在中国的两种。

Type genus of the Burmanniaceae; slender herbs of warm regions with leaves resembling scales and flowers with a 3-angled or 3-winged perianth.

水玉簪科的模式属;一个产于温带的细瘦的草本属,叶似鳞片,花具三角的或三翅的花被。

To summarize molecular, morphology, chromosome and pollen characters, the conclusion was reached that Epimedium was an nd monophyletic taxon. To divide the genus into any groups would be artificial. It is proposed that the disjunction by space, climate and seas were the main reason of respectively differentiation of each group by the view of geographic and climate changes in the temperate zone of the world. Because of its evolution-conservation, the disjunction did not bring about obvious divergence on the level of molecular and morphology.

综合分子特征和形态、细胞学、孢粉学等性状,提出淫羊藿属是一个进化上极为保守的、自然的单系的植物类群,进行属下任何阶元的划分都将是人为的,从旧世界温带的地质变化及气候变迁的角度推测,空间、气候和海洋的隔离是产生类群各自分化的主要原因,但由于其进化上极度保守,这些隔离尚未产生出类群间形态上和分子水平上的明显趋异。

Paul. The two letters were printed in 1693. They were followed by a more extended apology for the "Acta", published by the same Janninck in 1695; and lastly there appeared in 1696, 1697, and 1698 the three volumes of the "Responsio Danielis Papebrochii ad Exhibitionem Errorum", in which the valiant hagiographer takes up one by one the charges hurled against him by Father Sebastian and confutes each with an answer as solid in argument as it was temperate in tone.

两封信分别印在1693年,他们之后都进行了更延长了道歉,为&学报&,出版了由同一janninck在1695年;最后出现在1696 , 1697和1698这三卷的& responsio丹尼利斯papebrochii专案exhibitionem errorum &,在这种英勇hagiographer占据了一由一个收费的玻璃瓶,对他的父亲塞巴斯蒂安和confutes每个都带有一个答案,因为在坚实的论据,因为它是在温带的语调。

Most temperate cerambycids inhabit recently dead or dying wood, but the ALB commonly infests living, healthy, and weakened trees.

大多数温带的天牛栖息于刚死亡或正在死亡的树木上,但光肩星天牛却侵染活的、健康的和衰弱的树木。

About 20 species: widespread in the temperate zones of both hemispheres; one species in China.

大约20种:在两半球的温带的区域的广布的;在中国的一种。

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