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河北衡大高速路域土壤理化性质研究及对边坡绿化的影响
  • ISSN号:1002-3356
  • 期刊名称:河北林业科技
  • 时间:2013.11
  • 页码:1-5
  • 分类:Q944.42[生物学—植物学]
  • 作者机构:[1]安徽大学资源与环境工程学院,合肥230601, [2]河北师范大学资源与环境科学学院,石家庄050024
  • 相关基金:国家自然科学基金(41072251; 41171166); 教育部博士点基金(20123401110005)共同资助
  • 相关项目:山西北部全新世植被演替和气候变化定量重建
中文摘要:

应用光学显微镜和扫描电子显微镜对中国山西太岳山区秋季开花的25科74属88种(含2变种)植物的花粉形态进行了观察和研究,并对花粉形态进行了细致的描述。结果表明:花粉粒以近球形(56.8%)和椭球形(27.3%)为主,其它还有球形、扁球形。花粉粒中P/E值最大的为卷丹(Lilium lanci folium)和山西独活(Hercaleum schansianum Fedde ex Wolff),均为1.89,最小的为高山露珠草(Circaea alpina L.)0.71;最大的花粉为卷丹117.5×62.3μm,最小的为穗花马先蒿(Psdicularis spicata Pall.)14.5×14.2μm。花粉萌发孔以3孔沟(35.2%)和3沟(26.1%)为主,还有少量的为3合沟、2合沟、散孔、3孔、6沟、单沟、3(-4)孔沟、4沟等类型。外壁纹饰以细网状(46.6%)、长刺状(17.0%)和颗粒状(13.6%)为主,其他还有粗网状、条纹-穿孔、棒状、微刺状、微刺-颗粒等。本研究还对同科不同属、同属不同种、同种不同地区的花粉形态进行了比较讨论,研究结果可为太岳山区化石花粉的准确鉴定提供鉴别指南和标准对照图谱。同时本文还探讨了该区植物花粉尤其是菊科3个主要花粉类型的古环境意义,为利用地层中相应化石花粉重建古气候、古环境提供现代孢粉学资料和依据。

英文摘要:

Pollen morphology of selected taxa from the Taiyue mountain, Shanxi Province, North China are investiga- ted in the present study. Eighty-six species and 2 varieties of 74 genera belonging to 25 families flowering in the autumn were described and illustrated under light microscope (LM) and scaning electron microscopy (SEM). The pollen grains were mostly subsphaeroidal(56.8 ~) or prolate(27.3 %) in addition to some spherical and oblate. P/E values of Lilium lancifoliurn and Heracleum schansianum Fedde ex Wolff were the maximum, both of 1.89, and that of Circaea alpina L. was the minimum (0.71). The maximum pollen grain is Lilium lancifolium (117. 5 X 62. 3 t~m) ~ and the minimum pollen grain is Pedicularis spicata Pall. (12.5 X 10.3 ffm). Aperture type is mainly 3-colpate and 3-colporate with a percentage of 35.2~ and 26.1 ~ respectively, while others contains 3-syncolpate, 2-syncol- pate, pantocolpate, 3-apeture, 6-eolpate, single-colpate, 3 (-4) colporate and ~-colpate. The surface ornamentation is mostly microreticulate, spinulose and granulate with the percentages of 46. 6~, 17.0% and 13.6 % respectively. Other exine ornamentations, such as reticulate, striate-perforate, retipilate, microspinulose, microspinulose-granu- late are also observed. Pollen morphology in different genera of the same family, different species of the same genera, and different regions of the same species were also discussed in this study. Observation and description on pollen mor- phological characteristics of these species are important keys to the identification of fossil pollen grains of related taxa. The paleoenvironment implication of the pollen grains of the Taiyue mountain is discussed in detail especially 3 types of the family Asteraeeae, which is significant for estimating the palaeoclimate and paleaoenvironment conditions by utilizing the fossil pollen record.

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期刊信息
  • 《河北林业科技》
  • 主管单位:河北省林业厅
  • 主办单位:河北省林业科学院 河北省林学会
  • 主编:李盼威
  • 地址:石家庄市学府路75号
  • 邮编:050061
  • 邮箱:hblykj@163.com
  • 电话:18132618834
  • 国际标准刊号:ISSN:1002-3356
  • 国内统一刊号:ISSN:13-1080/S
  • 邮发代号:
  • 获奖情况:
  • 国内外数据库收录:
  • 被引量:7123