陆地植物

陆地植物抗癌新化合物的研究进展

Progress of the New Anticancer Compounds Isolated from the Land Plants

生物进化的重大事件&陆地植物的起源及其研究的新进展

Origin of land plants is an important event of life evolution

UV-B辐射增强对陆地植物次生代谢的影响

Effects of enhanced UV-B radiation on terrestrial plant secondary metabolite

本文回顾了近年来UV-B辐射对陆地植物及其环境影响的若干研究结果。

The recent literature of increased ultraviolet-B ( UV-B ) radiation on terrestrial plants and their environment is reviewed in this paper .

气孔（stomata）是高等陆地植物叶、茎及其它器官表皮所特有的孔状结构。

Stomata are pores distributed on the epidermis of leaves , young stems and other organs for higher terrestrial plants .

大多数陆地植物利用C3光合途径中的核酮糖1，5-二磷酸羧化酶／加氧酶（Rubisco）吸收大气中的CO2。

The majority of terrestrial plants assimilate atmospheric CO2 through the C3 photosynthetic pathway , and the enzyme of primary CO2 fixation in this pathway is ribulose 1,5-bisphosphate carboxylase / oxygenase ( Rubisco ) .

陆地植物从土壤BSi库吸收的硅量远超过从岩石风化释放吸收的硅量，植物-土壤内循环的有效性强烈地影响着陆地生态系统中的硅向河流和海洋的输送。

Because the silicon absorbed by plants from soil BSi pool is far more than that released by weathering , plant-soil internal cycling can greatly affect the dissolved silicate fluxes from terrestrial ecosystem to rivers and oceans .

陆地植物群落生活型研究进展

Perspectives of the Research on Life Form in Land Plant Communities

一种评价陆地植物资源利用前景的估量方法&以浙江药用蕨类为例

A method for evaluating the utilization prospect of terrestrial plant resources

淡水环境&陆地植物的摇篮

Freshwater environment & a cradle of the terrestrial plant

陆地植物群落物种多样性演替研究进展

Research Progress of Species Diversity in Land Plant Community

中生植物指在中等湿度环境中生长的陆地植物

A land plant that grows in an environment having a moderate amount of moisture

生长在中等水源环境下的陆地植物；与旱生植物和水生植物构成对比。

Land plant growing in surroundings having an average supply of water ; compare xerophyte and hydrophyte .

概述了近年来从陆地植物中分离出来的39个有较好抗癌作用的新化合物。

Thirty-nine new anticancer compounds isolated from the land plants recent years are reviewed in this paper .

分布于欧洲和加拿大东部的古生代简单的二岐式植物，包含最古老的脉管陆地植物。

Paleozoic simple dichotomously branched plants of Europe and eastern Canada including the oldest known vascular land plants .

它也包含了强大的褐藻多糖，海带多糖和藻酸盐的化合物，这是不存在于陆地植物。

It also contains powerful Fucoidan , Laminarin and Alginate compounds , which are not found in land plants .

最早的导管植物（即带有运载食物组织的陆地植物）的化石记录出现在志留纪时代。

The first fossil records of vascular plants that is , land plants with tissue that carries food appeared in the Silurian period .

潮间带盐生植物生境微生物药用前景中生植物指在中等湿度环境中生长的陆地植物

Characteristics and Prospect of Microorganism in Coastline Halophytic Vegetation A land plant that grows in an environment having a moderate amount of moisture

研究陆地植物群落物种多样性随环境因子及群落演替梯度的变化特征是揭示生物多样性与生态因子相互关系的重要方面。

The study of changes in species diversity of land plant communities along environmental and successional gradients is important to understand the relationship between biodiversity and ecological factors .

木质素是一种存在于大部分陆地植物中的复杂高分子化合物，其含量及其相关酶系活性与植物的生长发育、抗病性、抗逆性密切相关。

Lignin is a kind of complex high molecular compound that exists in most land plants . Its content and enzymes activity are closely related to the growth , disease resistance and stress resistance of plants .

酸雨对陆地植物造成的影响一方面来源于酸雨直接对林木冠层、植株叶片的淋溶，另一方面来源于酸雨造成的土壤酸化和盐基离子淋失等带来的间接影响。

Acid rain affects plants directly by leaching the canopy of forests and leaves . On the other hand , acid rain can cause soil acidification and base cations leaching , which can affect plants indirectly .

我们采集了香港不同地区生长的一年生陆地草本植物、海洋植物和大气中的CO2进行14C测定，并与近年来中国广西地区采集的桂皮油样品测定结果作比较。

A variety of samples , such as terrestrial annual grasses , oceanic plants and atmospheric CO_2 from different areas of Hong Kong , have been collected . The ￣( 14 ) C activity of them was measured and compared with that of cassia oil samples from Guangxi , China .

生长于森林边缘或空旷地带的陆地蕨类植物；分布于整个热带地区。

Terrestrial ferns of forest margin or open ground ; pantropical .

干酪根类型以腐殖型为主，成烃母质为陆地高等植物；

Kerogen type is mainly humic , and terrestrial higher plants are the petrologen .

陆地生态系统植物的生长受到营养元素氮（N）和磷（P）的可利用性的限制。

Plant growth should be expected to be limited by nitrogen ( N ) and phosphorus ( P ) availability in most terrestrial ecosystems .

氮是陆地生态系统植物光合作用和初级生产过程中最受限制的元素之一。

Nitrogen was one of the most limited elements of plant photosynthesis and primary production processes in terrestrial ecosystems .

大的热带蕨类植物；一些附生的攀缘植物和一些陆地沼泽蕨类植物；非洲；亚洲；澳大拉西亚。

Large tropical ferns ; some epiphytic climbers and some terrestrial bog ferns ; Africa ; Asia ; Australasia .

因此，氮元素被认为是影响陆地生态系统植物生存、生长和繁殖的主要因子。

Therefore , nitrogen is acknowledged to be the main factor affecting plants survival , growth and reproduction in the terrestrial ecosystem .

很早以前，美国人就意识到有必要建立自然保护区，保护陆地野生动植物以及人类。

The need to take special action to set aside natural areas on land for wildlife and for people was recognized long ago .

他们也相信，二氧化碳恰巧可以被陆地上的植物吸收，帮助植物生长。

Some believed that it would all be absorbed benignly by the sea or be happily taken up by growing plants on land .