种子地理学研究的新进展

doi:10.3724/SP.J.1258.2012.00918

摘要/Abstract

摘要：

在已发表的“种子地理学”基本理论框架和内涵的基础上, 该文对种子地理学理论进行了补充和修订, 在以前提出的7个方面的研究内容基础上, 补充了土壤种子库的地理学、种子雨的地理学、种子散布方式的地理学三个方面的研究内容, 提出了“土壤种子库的三向(纬度、经度和海拔)梯度变化假说”和“种子散布模式的三向梯度变化假说”。还对以前提出的6个方面的研究内容进行了增补, 在“种子化学性状地理学”方面添加了种子稳定性同位素性状, 在“种子重量的地理学”方面添加了油质体性状, 在“种子形态性状的地理学”方面补充了种子长、种子宽、种子长宽比、种子的附属结构(如果翅的有无以及种子附属物种翅长、种翅宽、种翅长宽比)等性状, 在“花和果实的地理学”方面增添了一些新的关注对象, 如花瓣的长和宽、花萼长和宽, 还有果实的长、宽、高及其比值, 夏季成熟的果实及秋天成熟的果实比例等, 在“种子遗传学性状的地理学”方面添加了DNA含量这个性状, 在“种子细胞性状的地理学”方面增添了淀粉粒。

关键词: 土壤种子库的“三向”梯度变化假说, 种子散布模式的“三向”梯度变化假说, 种子散布的地理学, 土壤种子库和种子雨的地理学

Abstract:

We add research content and several hypotheses and also amend some scientific questions in the field of seed geography. Three research areas that we expound upon are the geographies of soil seed banks, seed rain and seed dispersal syndromes. We summarize two hypotheses: 3-dimensional (latitude, longitude and altitude) variation hypotheses on soil seed banks and on seed dispersion modes. We also supplement the geography of seed chemical elements with seed isotope content. In the geography of seed mass, we mention elaiosomes. In the geography of seed morphology, we reaffirm use of length and width of seed and their ratio, absence or presence of seed (or fruit) wings, length and width of seed wings and their ratio, etc. In the geography of fruits and flowers, we add length and width of flower sepal and petal, as well as length, width and height of fruits and also percentage of fruit ripe in summer and autumn. In the geography of seed genetic characteristics, we add seed DNA content. In the geography of seed cell characteristics, we include seed starch grain. Overall, seed geography is a constantly developing field that should incorporate additional research from seed science and technology.

Key words: 3-dimensional (latitude, longitude and altitude) gradient variation hypothesis of soil seed banks, 3-dimensional (latitude, longitude and altitude) gradient variation hypothesis of seed dispersion modes, geography of seed dispersion, geography of soil seed banks and seed rain

于顺利, 方伟伟. 种子地理学研究的新进展. 植物生态学报, 2012, 36(8): 918-922. DOI: 10.3724/SP.J.1258.2012.00918

YU Shun-Li, FANG Wei-Wei. New advances in seed geography. Chinese Journal of Plant Ecology, 2012, 36(8): 918-922. DOI: 10.3724/SP.J.1258.2012.00918

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链接本文: https://www.plant-ecology.com/CN/10.3724/SP.J.1258.2012.00918

https://www.plant-ecology.com/CN/Y2012/V36/I8/918

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